29 results on '"Pekmezci D"'
Search Results
2. Allergen determination in thoroughbred stallions via detecting serum specific ige
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PEKMEZCI D, SANCAK AA, PINAR O, CAKIROGLU D, and ARSLAN S
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Veterinary medicine ,SF600-1100 - Published
- 2013
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3. Efficacy of amitraz plus inactivated parapoxvirus ovis in the treatment of canine generalised demodicosis
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Pekmezci, D., Pekmezci, G. Z., Guzel, M., Cenesiz, S., Gurler, A. T., and Gokalp, G.
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- 2014
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4. Prevalence and Toxinotyping of Clostridium Perfringens Enterotoxins in Small Ruminants of Samsun Province, Northern Turkey
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Tutuncu, M., Kilicoglu, Y., Guzel, M., Pekmezci, D., Gulhan, T., and Ondokuz Mayıs Üniversitesi
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sheep ,enterotoxin types ,Clostridium perfringens ,goat ,enterotoxemia - Abstract
WOS: 000441325100034 Enterotoxemia, caused by Clostridium perfringens, is one of the most common problems of small ruminants' industry worldwide. C. perfringens is considered to be a normal resident of the intestines and when the intestinal environment changed, proliferates in large numbers and produces enterotoxins. Vaccination against C. perfringens enterotoxins is of paramount importance for preventing enterotoxemia in small ruminants. Therefore, detection of local enterotoxin types produced by C. perfringens could help deciding the suitable vaccine program. The present study was aimed to determine the types of C. perfringens and their toxins prevalent in small ruminant of Samsun province, Northern Turkey. For this purpose, 221 intestinal samples from sheep and goats with sudden death and/or suspected from enterotoxemia were examined by ELISA for detection of C. perfringens enterotoxins. According to ELISA results, 45.2% of the samples (100/221) were positive for enterotoxemia caused by C. perfringens. Overall, 133 enterotoxins were detected in this 100 positive samples. When evaluating the individual enterotoxins; alfa (alpha), beta (beta), and epsilon (epsilon) toxin were detected in 72.9%, 4.5%, and 22.6%, respectively. According to toxin types, 65 for C. perfringens type A (65.0%), 1 for type C (1.0%), 5 for type C (5.0%), and 29 for type D (29.0%) were determined. In conclusion, it was determined that enterotoxemia was high (45.2%), C. perfringens A and D type dominant strain in sheep and goats in Samsun province. A suitable vaccination program against C. perfringens type A and type D may provide adequate protection against the enterotoxemia of small ruminants in this area.
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- 2018
5. Seropositivity of mycobacterium paratuberculosis in cattle with chronic diarrhea in the middle black sea region
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Tütüncü M., Kiliçoğlu Y., Güzel M., Pekmezci D., Gülhan T., and Ondokuz Mayıs Üniversitesi
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Diarrhea ,İELISA ,Johne’s disease ,Paratuberculosis ,Cattle - Abstract
Paratuberculosis (Johne's disease), caused by Mycobacterium avium subsp. paratuberculosis (MAP) is one of the most common and contagious infections of farm animals mainly cattle herds. MAP leads to a chronic and progressive enteric disease that results poor body condition, reduced milk production, premature culling, and decimate slaughter value in cattle industry. The aim of this study was to investigate of the seropositivity of MAP in cattle with chronic diarrhea in Middle Black Sea Region. For this purpose, a total of 859 Holstein-Friesian dairy cattle (2 years old) from 15 herds with companied to chronic diarrhea were examined in Amasya and Samsun provinces, between 2012 and 2014. MAP antibodies were determined by indirect commercial enzyme-linked immunosorbent assay ELISA (iELISA) kit. Of the 859 samples, 86 (10.0%) and of 15 herds, 7 (46.7%) were positive for the MAP antibodies. In 2012, 2013 and 2014, positive rates of 2.4%, 21.5% and 50% were detected, respectively. As a result, there was a significant increase in MAP seropositivity in chronic diarrheal cattle. It is thought that the results of the study will contribute to the development of effective control programs for eradication of the disease and clinicians working in the region will benefit from the attention of veterinarians. © 2016 Ataturk Universitesi. All rights reserved.
- Published
- 2018
6. Suspected anesthesia associated esophageal stricture formation in a cat
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Gültiken, N., Pekmezci, D., Ay, S. S., Koldaş, E., Aykut Gram, University of Zurich, Gültiken, Nilgün, and Ondokuz Mayıs Üniversitesi
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Reflux esophagitis ,esophag ,10077 Institute of Veterinary Anatomy ,3400 General Veterinary ,570 Life sciences ,biology ,cat ,Cat ,Anesthesia ,eal stricture ,reflux esophagitis ,Esophageal stricture - Abstract
The case of esophageal stricture of a one-year-old queen that occurred after three anesthesia applications (one for ovariohysterectomy and the others for incisional wound complications) in two weeks was presented. Barium contrast esophagography provided the diagnosis of esophageal stricture located at the distal of thoracic esophagus, at the level of intercostal distance of 9-10 in mediastinum caudale. Feeding with canned food placed on a higher surface was recommended in order to prevent regurgitation and it was observed that regurgitation recovered in three days. Contrast radiography taken a month and a year later showed that location diagnosed as stricture was anatomically normal. In conclusion, repeated anesthesia performed with xylazine HCl and ketamine HCl in two weeks may contribute in developing esophageal stricture in cats and feeding with soft food from a higher surface may be preferred before any surgical treatment.
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- 2014
7. Nesidioblastosis in a Simmental Calf
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Gacar, A., Pekmezci, D., Karayigit, M.O., Kabak, Y.B., and Gulbahar, M.Y.
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- 2012
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8. Effects of Yeast Culture (Saccharomyces cerevisiae) on Humoral and Cellular Immunity of Jersey Cows in Early Lactation
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Cakiroglu, D., additional, Meral, Y., additional, Pekmezci, D., additional, Onuk, E.E., additional, and Kabak, Y.B., additional
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- 2010
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9. Effects of Live Yeast Culture (Saccharomyces cerevisiae) on Milk Production and Blood Lipid Levels of Jersey Cows in Early Lactation
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Cakiroglu, D., additional, Meral, Y., additional, Pekmezci, D., additional, and Akdag, F., additional
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- 2010
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10. Microscopy and molecular survey of Hepatozoon spp. in domestic cats and their ticks: First report of H. silvestris from Türkiye.
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Önder Z, Pekmezci D, Yıldırım A, Pekmezci GZ, Düzlü Ö, Kot ZN, Konacoğlu GN, Yetişmiş G, and İnci A
- Abstract
Hepatozoonosis is a tick-borne infection caused by protozoan species of the Hepatozoon genus in the family Hepatozoidae. This study aimed to determine the presence and prevalence of Hepatozoon spp. in domestic cats and their ticks, to characterize the genotypes, to reveal phylogenetic relationships, and to assess the risk factors associated with infection. Blood samples were collected in EDTA tubes from 311 cats that were brought to the Veterinary Faculty, Animal Hospital for treatment or routine control purposes. Smears were prepared from the buffy coat and examined microscopically for the presence of Hepatozoon spp. gamonts. Ticks were collected during the clinical examination of the cats and the species were identified. Genomic DNA obtained from buffy coats and ticks were analyzed using PCR analyses targeting the 18S rRNA gene region of Hepatozoon spp. The results showed that Hepatozoon spp. gamonts in neutrophils were determined in five samples as 1.6 % (5/311). A total of 58 (18.64 %, 58/311) were positive for the PCR analyses. Twelve ticks were collected from the cats, and all were identified as Rhipicephalus turanicus. Hepatozoon spp. were found in seven (58.3 %) ticks by molecular analyses. Sequence analysis of the 18S rRNA gene region of 58 positive isolates revealed the presence of H. felis (n = 25, 43.1 %) and H. silvestris (n = 33, 56.9 %) species in cats and H. felis in Rh. turanicus (n = 7). This study also presents the first report of H. silvestris in domestic cats from Türkiye. Phylogenetic analyses showed that our H. felis isolates clustered in H. felis genotype I and our H. silvestris were stated in the same cluster with Italian isolates., (Copyright © 2024 Elsevier B.V. All rights reserved.)
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- 2024
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11. First Molecular Evidence of Leishmania Infantum in Domestic Cats and Associated Risk Factors from the Black Sea Region of Türkiye.
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Pekmezci D, Yildirim A, Kot ZN, Konacoglu GN, Duzlu O, Yetismis G, Uslu S, Toz S, Ozbel Y, Inci A, and Pekmezci GZ
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- Animals, Cats, Risk Factors, Black Sea, Female, Male, Leishmaniasis, Visceral veterinary, Leishmaniasis, Visceral parasitology, Leishmaniasis, Visceral epidemiology, Real-Time Polymerase Chain Reaction veterinary, Prevalence, DNA, Kinetoplast genetics, DNA, Protozoan genetics, Leishmania infantum genetics, Leishmania infantum isolation & purification, Cat Diseases parasitology, Cat Diseases epidemiology
- Abstract
Purpose: The objectives of the present study are to determine the molecular prevalence of Leishmania spp. in the owned domestic cats in the Black Sea Region of Türkiye and analyze the associated risk factors in FeL., Methods: Conjunctival swabs (CS), blood, demographic, and clinical data were collected from 150 owned cats brought to the Veterinary Teaching Hospital during 2020-2022. Leishmania kinetoplast DNA (kDNA) from CS was screened by TaqMan Real-Time PCR (qPCR) with the genus-specific primers and a probe., Results: All qPCR positive products were also amplified and sequenced to identify Leishmania species by ITS1 primers. Molecular prevalence of L. infantum found as 12.6% (19/150) in the observed cats in the Black Sea Region of Türkiye. There was a significant difference (p < 0.05) between neutered and intact cats with regarding to L. infantum positivity. Intact cats found to be 0.368 times more prone to be L. infantum-positive (L+). Dermatological lesions were found the most common (26.3%) problems in the L + cats. The median leucocyte count was the only parameter that was found statistically (p < 0.05) lower in the L + group (6.60) than the negative group (L-) (8.96), when comparing the WBC, NEU/LYM, MONO/LYM, EOS/LYM and PLT/LYM values., Conclusion: This study presented the molecular occurrence of FeL in the Black Sea Region of Türkiye for the first time indicating that the carrier status of the cats makes them alternative reservoirs for possible zoonotic transmission of L. infantum in this zone., (© 2024. The Author(s), under exclusive licence to Springer Nature Switzerland AG.)
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- 2024
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12. Molecular prevalence, phylogenetic characterization, and epidemiological risk factors of pulmonary nematodes in domestic cats in Türkiye.
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Bölükbaş CS, Pekmezci D, Pekmezci GZ, Gençay Topçu EB, Çolak ZN, Gürler AT, Açici M, and Umur Ş
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- Animals, Cats, Prevalence, Phylogeny, Feces parasitology, Risk Factors, Strongylida Infections epidemiology, Strongylida Infections veterinary, Strongylida Infections parasitology, Metastrongyloidea genetics, Cat Diseases epidemiology
- Abstract
Aelurostrongylus abstrusus, Oslerus rostratus, and Troglostrongylus brevior are nematodes found in the respiratory system of domestic cats and cause a variety of symptoms. All three parasites use the same hosts and niches, and the morphological measurements of their L1s excreted in faeces overlap with each other. In this study, 300 cats brought to Ondokuz Mayıs University Veterinary Teaching Animal Hospital were screened for lungworms by morphological measurements and molecular analyses. The prevalence of the lungworms was found as 1.33% (4/300) for A. abstrusus, 0.66% (2/300) for O. rostratus, and 0.33% (1/300) for T. brevior. Molecular identification of A. abstrusus, T. brevior, and O. rostratus in domestic cats was carried out for the first time in Türkiye within the present study. This study also reveals the risk factors of lungworm positivity in domestic cats in Türkiye., Competing Interests: Declaration of Competing Interest The authors declare the following financial interests/personal relationships which may be considered as potential competing interests: Cenk Soner BOLUKBAS reports financial support was provided by Scientific and Technological Research Council of Turkey., (Copyright © 2023 Elsevier Ltd. All rights reserved.)
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- 2023
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13. A novel one-step multiplex PCR protocol to detect avian haemosporidian parasites in the subgenus Haemoproteus (Kruse, 1890) used to quantify parasite prevalence in domestic pigeons (Columba livia) in Turkey.
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Ciloglu A, Yildirim A, Pekmezci D, Yetismis G, Sursal Simsek N, Simsek E, Duzlu O, Onder Z, Delibasi Kokcu N, Pekmezci GZ, Ellis VA, and Inci A
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- Animals, Columbidae genetics, Columbidae parasitology, Multiplex Polymerase Chain Reaction veterinary, Prevalence, Turkey, DNA, Protozoan genetics, Parasites genetics, Protozoan Infections, Animal diagnosis, Protozoan Infections, Animal epidemiology, Protozoan Infections, Animal parasitology, Bird Diseases diagnosis, Bird Diseases epidemiology, Haemosporida genetics
- Abstract
Infections of avian haemosporidian parasites are regularly identified by molecular methods including multiplex PCR, which allows researchers to distinguish mixed infections of parasites from multiple genera. Here we extend the utility of a previously designed multiplex PCR by designing a primer set specific to parasites of the subgenus Haemoproteus (genus: Haemoproteus). The updated one-step multiplex PCR protocol we describe here allows for the detection of the genera Plasmodium and Leucocytozoon and the two subgenera (Haemoproteus and Parahaemoproteus) of the genus Haemoproteus. A sensitivity analysis showed that the multiplex PCR could amplify DNA of parasites in the subgenus Haemoproteus at very low levels of infection. We used this multiplex PCR to identify haemosporidian infections in 250 adult domestic pigeons (Columba livia) in Turkey. All samples were also screened by microscopy and a widely used nested PCR to compare with the results of multiplex PCR, to detect low levels of parasitemia, and to identify possible abortive infections. In total, 71 pigeons (28.4%) were found to be infected by all three methods. The multiplex PCR protocol successfully detected and discriminated both subgenera Haemoproteus and Parahaemoproteus infections. We compared our results with previous host species records to assess the host specificity of the parasite lineages we found. Our findings provide novel data on the prevalence of avian haemosporidians in domestic pigeons and demonstrate the utility of the new one-step multiplex PCR protocol for the determination of mixed avian haemosporidian infections. We expect that this protocol will contribute to a better understanding of the distribution, epizootiology, and ecology of avian haemosporidians., (© 2022. The Author(s), under exclusive licence to Springer Nature B.V.)
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- 2023
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14. Occurrence and molecular characterization of Enterocytozoon bieneusi in water buffaloes (Bubalus bubalis) in Turkey.
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Onder Z, Yildirim A, Pekmezci D, Duzlu O, Karabulut F, Ozkılıc GN, Pekmezci GZ, Colak ZN, Ciloglu A, Yetismis G, and Inci A
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- Animals, Buffaloes, China epidemiology, Feces parasitology, Genotype, Humans, Phylogeny, Prevalence, Turkey epidemiology, Encephalitozoon, Enterocytozoon genetics, Microsporidia, Microsporidiosis epidemiology, Microsporidiosis veterinary
- Abstract
Microsporidia are obligate intracellular fungus-like parasites that infect humans and animals worldwide. However, there is limited epidemiological data on the occurrence and molecular diversity of microsporidia in buffaloes worldwide. In the present study, fecal samples of 300 water buffaloes (Bubalus bubalis) in Kayseri, Sivas, and Samsun provinces of Turkey were investigated using two nested PCR assays targeting the rRNA of E. bieneusi and Encephalitozoon spp. All the fecal samples from water buffalo were found to be negative for Encephalitozoon spp. PCR positive isolates of E. bieneusi were bidirectionally sequenced for genotyping and phylogenetic analyses. Enterocytozoon bieneusi was the only microsporidian species identified in 8 water buffaloes with an overall molecular prevalence of 2.7%. Two known genotypes, YNDCEB-90 (n = 5) and J (n = 3) were identified by ITS sequence analysis. The YNDCEB-90 and J genotypes fall into zoonotic Group 1 and 2 of E. bieneusi in the phylogenetic tree, respectively. These findings suggested that water buffalo in Turkey are harbouring zoonotic genotypes of E. bieneusi and may have a significant risk for zoonotic transmission to humans. This is the first report of detecting E. bieneusi genotypes J and YNDCEB-90 in water buffaloes. Further insight into the epidemiology of E. bieneusi in water buffaloes in different geographical areas in Turkey will be highly important to have determined the public health significance of this pathogen., (Copyright © 2022 Elsevier B.V. All rights reserved.)
- Published
- 2022
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15. First report and genotyping of Dientamoeba fragilis in pet budgerigars (Melopsittacus undulatus), with zoonotic importance.
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Yetismis G, Yildirim A, Pekmezci D, Duzlu O, Ciloglu A, Onder Z, Simsek E, Ercan N, Pekmezci GZ, and Inci A
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- Animals, Dientamoeba genetics, Dogs, Feces parasitology, Genotype, Phylogeny, Sheep, Swine, Dientamoebiasis epidemiology, Dientamoebiasis parasitology, Dientamoebiasis veterinary, Dog Diseases, Melopsittacus, Sheep Diseases, Swine Diseases
- Abstract
The protozoan Dientamoeba fragilis is one of the most common parasites in the digestive system of humans worldwide. The host range and transmission routes of D. fragilis, including the role of animals, are still ambiguous with few reports from non-human primates, sheep, rodents, pigs, a cat and a dog. In this study, we used microscopic and TaqMan qPCR analyses to investigate D. fragilisin 150 faecal samples from pet budgerigars (Melopsittacus undulatus) in the Central Anatolia Region of Turkey. Dientamoeba fragilis DNA was detected in 32 samples, resulting in a mean prevalence of 21.3%. In microscopic examination, trophozoites/cysts of D. fragilis were detected in 13 of 32 qPCR-positive samples. SSU rRNA sequence analyses of the qPCR-positive isolates identified genotype 1 of D. fragilis as predominant in budgerigars. Phylogenetic analyses of the SSU rRNA gene region clustered D. fragilis genotypes, as well as other trichomonads, in separate monophyletic clusters with bootstrap values ≥79.0. Our study provides the first evidence for the natural host status of pet budgerigars for D. fragilisand contributes to the knowledge of the epidemiology of this parasite. The high prevalence of genotype 1 of D. fragilis suggests that pet budgerigars are suitable reservoirs for zoonotic transmission. Our findings contribute to an increased awareness and knowledge of D. fragilis infections in the context of a one-health approach., (© 2022 Wiley-VCH GmbH.)
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- 2022
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16. Investigation of Zoonotic Cryptosporidium and Giardia intestinalis Species and Genotypes in Cats (Felis catus)
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Önder Z, Yetişmiş G, Pekmezci D, Delibaşı Kökçü N, Pekmezci GZ, Çiloğlu A, Düzlü Ö, İnci A, and Yıldırım A
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- Animals, Cats, Feces, Genotype, Giardia genetics, Cryptosporidiosis epidemiology, Cryptosporidium genetics, Giardia lamblia genetics, Giardiasis epidemiology, Giardiasis veterinary
- Abstract
Objective: Giardia intestinalis and Cryptosporidium spp. are important zoonotic protozoan parasites that infect humans and various animals. We investigated the occurrence of G. intestinalis and Cryptosporidium spp. infection in cats. To provide data on the zoonotic transmission dynamics of these parasites, genotypes of the detected isolates were investigated through DNA sequence characterization., Methods: A total of 100 fecal samples were collected from cats between June and October 2020 in Kayseri and Samsun provinces. Fecal samples were examined by nested polymerase chain reaction (PCR), targeting the β-giardin gene of G. intestinalis and small subunit (SSU) rRNA gene of Cryptosporidium spp. All PCR products were sequenced for genotyping., Results: Of the samples examined, Giardia intestinalis was determined in 8 samples (8.0%), whereas none of the samples were found positive for Cryptosporidium spp. Sequence analyses of the β-giardin PCR products indicated that all G. intestinalis isolates were classed into the zoonotic assemblage B., Conclusion: This study adds to the current data on the molecular epidemiology of cryptosporidiosis and giardiasis in cats. The findings also highlight the potential risk of cats for public health concerning the zoonotic transmission dynamics of G. intestinalis .
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- 2021
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17. Determination of Serum Oxidative Stress, Antioxidant Capacity and Protein Profiles in Dogs Naturally Infected with Ehrlichia canis.
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Çiftci G, Pekmezci D, Güzel M, Çenesiz S, Ural K, Aysul N, and Kazak F
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- Animals, Antioxidants, Dogs, Ehrlichia canis, Oxidative Stress, Dog Diseases, Ehrlichiosis veterinary
- Abstract
Purpose: Canine ehrlichiosis is an important tick-borne disease of dogs worldwide. In the present study, we aimed to determine the serum total antioxidant capacity (TAC), malondialdehyde (MDA), nitric oxide (NO), superoxide dismutase, (SOD), glutathione peroxidase (GSH-Px), adenosine deaminase (ADA) activity and serum protein profiles in dogs affected with naturally acquired ehrlichiosis., Methods: The animal materials had been consisted of ten dogs naturally infected with Ehrlichia canis, and ten controls negative for Ehrlichia canis. TAC, MDA, NO, SOD, GSH-Px, ADA activity and TP, ALB, GLOB levels were measured in sera of the animals. The serum protein concentrations were measured by autoanalyzer. The electrophoretic profiles of serum total protein were determined by native polyacrylamide gel electrophoresis (Native-PAGE)., Results: In dogs with ehrlichiosis, decreased TAC (P < 0.05) and GSH-Px (P > 0.05) levels were determined. However, NO (P > 0.05), SOD (P < 0.05), ADA (P > 0.05), MDA (P > 0.05), TP (P < 0.05) and GLO (P < 0.05) levels were found as increased in the Ehrlichia positive dogs. ALB levels were decreased without a statistical significance (P > 0.05). ALB, α1 and β2 globulin strip densities were found as decreased in native-PAGE, while β1 and γ globulin strip densities were significantly increased in the E. canis positive group when compared to the control., Conclusion: It was determined that the oxidative stress decreased high antioxidant activity in dogs naturally infected with E. canis, and consequently, pro-oxidant and antioxidant defense and serum protein profiles were affected. It was thought that antioxidant supplementation could be beneficial to the treatment of the disease., (© 2021. Witold Stefański Institute of Parasitology, Polish Academy of Sciences.)
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- 2021
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18. First report and molecular prevalence of potential zoonotic Enterocytozoon bieneusi in Turkish tumbler pigeons (Columba livia domestica).
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Pekmezci D, Yetismis G, Colak ZN, Duzlu O, Ozkilic GN, Inci A, Pekmezci GZ, and Yildirim A
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- Animals, Genetic Variation, Prevalence, Sequence Analysis, DNA, Turkey epidemiology, Columbidae microbiology, Enterocytozoon genetics, Feces microbiology, Genotype, Microsporidiosis epidemiology, Phylogeny, Zoonoses epidemiology
- Abstract
A total of 250 droppings of tumbler pigeons (Columba livia domestica, Columbidae) were collected individually from different breeders in Turkey, to investigate the presence and genotyping of microsporidian species by nested PCR and to reveal their zoonotic potential. In the present study, Enterocytozoon bieneusi was the only microsporidian species identified in 35 pigeons with an overall molecular prevalence of 14.0%. Only one known genotype zoonotic Peru6 was identified in all positive samples according to the sequence analyses of the internal transcribed spacer region of ribosomal DNA of E. bieneusi. This study represents the first report of E. bieneusi in pigeons in Turkey. Our study also confirms the competence of breeding pigeons as hosts for the zoonotic Peru6 genotype, corroborating its potential role as a source of human infection and environmental contamination., Lay Summary: Microsporidia are spore-producing fungi defined as emerging opportunistic pathogens of humans. The occurrence of microsporidia in animals could be risky for human public health. Home kept breeding pigeons pose a high risk for transmission of the microsporidians to humans., (© The Author(s) 2021. Published by Oxford University Press on behalf of The International Society for Human and Animal Mycology.)
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- 2021
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19. Molecular identification and subtype distribution of Blastocystis sp. in farm and pet animals in Turkey.
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Onder Z, Yildirim A, Pekmezci D, Duzlu O, Pekmezci GZ, Ciloglu A, Simsek E, Kokcu ND, Yetismis G, Ercan N, and Inci A
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- Animals, Black Sea, Cats, Cattle, Chickens genetics, Dogs, Farms, Feces parasitology, Horses, Molecular Epidemiology, Polymerase Chain Reaction, Prevalence, Sheep, Turkey epidemiology, Animal Diseases parasitology, Animals, Domestic parasitology, Blastocystis genetics, Blastocystis Infections veterinary
- Abstract
A total of 1340 fresh fecal samples from farm and pet animals in Central Anatolia and the Middle Black Sea Region of Turkey were investigated using a PCR assay targeting the SSU rRNA of Blastocystis sp. An overall Blastocystis sp. prevalence of 19.4% (183/940) was found in farm animals, including cattle, sheep, water buffaloes, and chickens. Fecal samples of dogs, cats, and horses were negative. The highest prevalence of Blastocystis sp. was found in sheep (38.2%) among the farm animals. The SSU rRNA sequence analysis revealed two animal-specific subtypes, including ST10 in cattle and sheep and ST14 in water buffaloes. The zoonotic subtype ST7 was identified in chickens. Our results indicated a high prevalence of animal-specific subtypes in livestock and zoonotic subtype ST7 in chickens, highlighting the potential risk of chickens for zoonotic transmission of Blastocystis in the research area. This study is the first large-scale evaluation of Blastocystis in animal hosts in Turkey, and contributes to the molecular epidemiology and genetics of Blastocystis. Our results should be considered by authorities as an indication of the zoonotic importance of Blastocystis sp. and the need for surveillance in public health intervention programs., (Copyright © 2021. Published by Elsevier B.V.)
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- 2021
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20. Occurrence and molecular identification of zoonotic microsporidia in pet budgerigars (Melopsittacus undulatus) in Turkey.
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Pekmezci D, Yetismis G, Esin C, Duzlu O, Colak ZN, Inci A, Pekmezci GZ, and Yildirim A
- Abstract
Encephalitozoon spp. and Enterocytozoon bieneusi are well-known microsporidian pathogens, recently classified as fungi, infecting humans and reptiles, mammals, and birds. Budgerigars (Melopsittacus undulates) are the most preferred captive pet birds in the households. Prevalence and molecular data on microsporidian species in budgerigars are scarce worldwide. The aim of the present study was to investigate the occurrence and genotypes of Encephalitozoon spp. and E. bieneusi in budgerigars, and to reveal their zoonotic potential. A total of 143 fecal samples were collected from owned healthy budgerigars in Turkey. Encephalitozoon spp. and E. bieneusi were examined by nested PCR targeting the ribosomal internal transcribed spacer (ITS) region and sequenced for identifying Encephalitozoon spp. and E. bieneusi. The overall prevalence of E. hellem and E. bieneusi was 14.7% (21/143) and 3.5% (5/143), respectively. Two genotypes of E. hellem were identified, including one known 1A (n = 18) and a novel TURK1B (n = 3). In addition, we determined two E. bieneusi genotypes, including one known N (n = 2) and a novel TURKM1 (n = 3). E. hellem 1A and novel TURK1B clustered as a sister taxon, and genotype N and novel TURKM1 genotypes fall into group 2 of E. bieneusi in the phylogenetic tree. Novel genotypes of E. hellem and E. bieneusi were described for the first time in the avian host. Moreover, E. bieneusi genotype N was first detected in avian hosts in the present study. This study contributes to the current knowledge on the molecular epidemiology and transmission dynamics of E. hellem and E. bieneusi., Lay Summary: Spore producing microsporidia are ubiquitous, obligate, and intracellular fungus defined as emerging opportunistic pathogens of humans, livestock, companion animals, wild mammals, birds, and water worldwide. The occurrence of microsporidia in animals could be risky for human public health., (© The Author(s) 2020. Published by Oxford University Press on behalf of The International Society for Human and Animal Mycology.)
- Published
- 2020
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21. 2019 AAFP Feline Zoonoses Guidelines.
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Pekmezci D, Pekmezci GZ, Yildirim A, Duzlu O, and Inci A
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- Animals, Cats, Cat Diseases, Zoonoses
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- 2020
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22. Molecular Detection of Zoonotic Microsporidia in Domestic Cats in Turkey: A Preliminary Study.
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Pekmezci D, Pekmezci GZ, Yildirim A, Duzlu O, and Inci A
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- Animals, Cats, DNA, Fungal chemistry, DNA, Fungal genetics, DNA, Ribosomal Spacer chemistry, DNA, Ribosomal Spacer genetics, Feces microbiology, Genotype, Microsporidia genetics, Microsporidiosis microbiology, Polymerase Chain Reaction, Sequence Analysis, DNA, Turkey, Cat Diseases microbiology, Microsporidia isolation & purification, Microsporidiosis veterinary
- Abstract
Objective: This preliminary study was conducted to reveal that the molecular identity of Encephalitozoon spp. and Enterocytozoon bieneusi in indoor domestic cats' fecal samples from Turkey was screened using the PCR., Materials and Methods: Nested PCR was performed using MSP and EBITS primers. All of the amplification products were sequenced to identify the microsporidia species., Results: Four (5.5%) and three (4.1%) genomic DNA isolates of the fecal samples from 72 indoor domestic cats showed amplification of the ITS regions of E. bieneusi and Encephalitozoon spp., respectively. Two different genotypes, D and IV, of E. bieneusi were determined in two cats each based on the ITS sequence analyses. Moreover, Encephalitozoon spp. sequence analyses revealed three isolates belonging to E. intestinalis., Conclusions: This preliminary study has provided the first molecular data on the zoonotic genotypes of E. bieneusi and E. intestinalis in cats in Turkey. Furthermore, E. bieneusi genotype IV (accession number MG727664) was submitted to GenBank for the first time in the Western Palearctic Region as hosted by a domestic cat. Additionally, E. intestinalis (accession number MG570080) was also submitted to GenBank as a valid ITS sequence for the first time as hosted by a domestic cat worldwide.
- Published
- 2019
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- View/download PDF
23. Serum concentration and skin tissue expression of insulin-like growth factor 2 in canine generalized demodicosis.
- Author
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Yarim GF, Yagci BB, Yarim M, Sozmen M, Pekmezci D, Cenesiz S, Pekmezci GZ, and Karaca E
- Subjects
- Animals, Case-Control Studies, Dog Diseases blood, Dog Diseases metabolism, Dogs, Female, Insulin-Like Growth Factor II genetics, Male, Mite Infestations veterinary, Dog Diseases parasitology, Gene Expression Regulation physiology, Insulin-Like Growth Factor II metabolism, Skin metabolism
- Abstract
Background: There is increasing evidence that insulin-like growth factor-2 (IGF-2) levels are altered in skin injury; there are no data evaluating the serum concentration and skin tissue expression of IGF-2 in canine generalized demodicosis., Hypothesis/objectives: To assess serum concentrations of IGF-2 collected from dogs with generalized demodicosis compared to healthy dogs and to determine the location of IGF-2 in the skin of affected dogs., Methods: Blood and skin samples were collected from 12 dogs of differing breeds and gender at 1-2 years of age that had a confirmed diagnosis of generalized demodicosis. Age-matched control skin and blood samples were collected from 11 normal dogs of different breeds and gender. Serum IGF-2 concentrations were measured by enzyme-linked immunosorbent assay. Skin tissue expression of IGF-2 was analysed by immunohistochemical methods., Results: Serum concentration and skin tissue expression of IGF-2 were increased in dogs with generalized demodicosis compared with control dogs., Conclusions and Clinical Importance: These findings indicate that keratinocytes, histiocytes and fibrocytes in the dermis are positive for IGF-2; they may be a source of the elevated serum IGF-2 levels in dogs with generalized demodicosis., (© 2015 ESVD and ACVD.)
- Published
- 2015
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24. Investigation of the 8-hydroxy-2'-deoxyguanosine, total antioxidant and nitric oxide levels of serum in dogs infected with Babesia vogeli.
- Author
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Ciftci G, Ural K, Aysul N, Cenesiz S, Guzel M, Pekmezci D, and Sogut MÜ
- Subjects
- 8-Hydroxy-2'-Deoxyguanosine, Animals, DNA, Protozoan genetics, Deoxyguanosine blood, Dogs, Oxidative Stress, Antioxidants analysis, Babesia physiology, Babesiosis metabolism, Deoxyguanosine analogs & derivatives, Dog Diseases metabolism, Nitric Oxide blood
- Abstract
Oxidative stress was defined as corruption of balance between oxidant-antioxidant states in favor of oxidants. In this study, it was aimed to determine oxidative stress in naturally infected dogs with Babesia vogeli. The 8-hydroxy-2'-deoxyguanosine (8-OHdG), nitric oxide (NO) and total antioxidant capacity (TAC) levels in the sera were analyzed by ELISA. 8-OHdG levels increased in B. vogeli infected dogs compared to control group (P<0.05). Also, NO levels increased while TOC levels decreased in B. vogeli infected dogs but these variations were not found as statistically important (P>0.05)., (Copyright © 2014 Elsevier B.V. All rights reserved.)
- Published
- 2014
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25. A case of auricular, anal and umbilical myiasis caused by the larvae of Phormia regina (Meigen) (Diptera: Calliphoridae) in neonatal kittens.
- Author
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Pekmezci D, Pekmezci GZ, Açıcı M, Gökalp G, and Tütüncü M
- Subjects
- Anal Canal parasitology, Animals, Animals, Newborn, Cats, Diptera physiology, Ear Auricle parasitology, Larva physiology, Myiasis parasitology, Turkey, Umbilical Cord parasitology, Cat Diseases parasitology, Diptera pathogenicity, Myiasis veterinary
- Abstract
The occurrence of feline myiasis is rare. Massive infestations of dipteran larvae can lead to death if not treated at an early stage. Auricular, anal and umbilical myiasis was detected in three neonatal kittens. The dipteran larvae were collected, fixed in 70% alcohol and clarified with 10% KOH for a few days. Later, larvae were dissected under the stereomicroscope, mounted on slides and then identified as the third instar of the black blowfly, Phormia regina (Meigen) (Diptera: Calliphoridae), according to their stigmatic and cephaloskeleton structures. Original measurements and figures are presented. Treatment included mechanical removal of larvae and cleansing of the area by applying polyvinylpyrrolidone-iodine complex. The presence of P. regina in cats has been reported here for the first time in Turkey.
- Published
- 2014
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26. [Investigation of Giardia and Cryptosporidium prevalence with different methods in Adana food workers].
- Author
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Bayramoğlu Ö, Pekmezci D, and Başarı F
- Subjects
- Carrier State diagnosis, Chromatography, Affinity, Cryptosporidiosis diagnosis, Cryptosporidiosis parasitology, Cryptosporidium immunology, Feces parasitology, Fluorescent Antibody Technique, Giardia immunology, Giardiasis diagnosis, Giardiasis parasitology, Humans, Prevalence, Sensitivity and Specificity, Staining and Labeling, Turkey epidemiology, Carrier State epidemiology, Cryptosporidiosis epidemiology, Cryptosporidium isolation & purification, Food Services, Giardia isolation & purification, Giardiasis epidemiology
- Abstract
Objective: Carriage detection in food workers is very important in protecting public health from Giardia and Cryptosporidium infections which are two of the major causes of food borne outbreaks. However, false negative results can be reported with routine methods such as native-lugol and acid-fast staining in the carriers. In this study, we aimed to determine the appropriate method for carrier screening by comparison of the different analyses used in the diagnosis of Giardia and Cryptosporidium in food workers., Methods: Stool specimens of 500 food worker who applied to our laboratory for carrier screening were investigate by routine microscopic examination with native-lugol and Kinyoun acid-fast stain method and searched for Giardia and Cryptosporidium antigens with Direct Fluorescent Antibody (DFA) and immunochromatographic assay., Results: As a result of the study, Giardia spp. was detected with native-lugol staining method, immunochromatographic assay and DFA assay as 13 (2.6%), 8 (1.6%), 24 (4.8%) respectively of specimens whereas Cryptosporidium spp. was not determined. When DFA assay was considered the reference method, sensitivity and specificity of the native lugol method and immunochromatographic assay were found to be 54.1%, 100% and 33.3%, 100% respectively., Conclusion: In our study, we were found low sensitivity of immunochromatographic method and it is inappropriate as a test for detecting carriers in food workers. We concluded that, to be able to detect other parasites, the native-lugol method must be performed for screening şekilcarriers, and patients who were found Giardia and Cryptosporidium negative by this assay should be confirmed with more sensitive immunodiagnostic method.
- Published
- 2013
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27. Vitamin E and immunity.
- Author
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Pekmezci D
- Subjects
- Animals, Humans, Immune System Diseases diet therapy, Immune System Diseases drug therapy, Immune System Diseases etiology, Immunomodulation drug effects, Vitamin E administration & dosage, Vitamin E therapeutic use, Vitamin E Deficiency immunology, Vitamin E Deficiency physiopathology, Vitamin E Deficiency therapy, Immunity drug effects, Vitamin E physiology
- Abstract
Vitamin E is the most important chain-breaking, lipid-soluble antioxidant present in body tissues of all cells and is considered the first line of defense against lipid peroxidation and it is important for normal function of the immune cells. However, vitamin E deficiency is rare in well-nourished healthy subjects and is not a problem, even among people living on relatively poor diets, both T- and B-cell functions are impaired by vitamin E deficiency. While immune cells are particularly enriched in vitamin E because of their high polyunsaturated fatty acid content, this point puts them at especially high risk for oxidative damage. Besides its immunomodulatory effects, vitamin E also plays an important role in carcinogenesis with its antioxidant properties against cancer, and ischemic heart disease with limiting the progression of atherosclerosis. Supplementation of vitamin E significantly enhances both cell mediated and humoral immune functions in humans, especially in the elderly and animals., (Copyright © 2011 Elsevier Inc. All rights reserved.)
- Published
- 2011
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28. Investigation of immunmodulatory effects of levamisole and vitamin E on Immunity and some blood parameters in newborn Jersey calves.
- Author
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Pekmezci D and Cakiroglu D
- Subjects
- Analysis of Variance, Animals, Animals, Newborn, Cattle immunology, Cholesterol blood, Hydrocortisone blood, Immunity drug effects, Immunoglobulin G blood, Immunoglobulin G drug effects, Leukocyte Count, Lipoproteins, HDL blood, Lipoproteins, HDL drug effects, Lipoproteins, LDL blood, Lipoproteins, LDL drug effects, Triglycerides blood, Cattle blood, Immunomodulation drug effects, Levamisole pharmacology, Vitamin E pharmacology
- Abstract
The immunmodulatory effects of dl-alpha tocopherol (vitamin E) and levamisole on the immune system and some blood parameters of newborn Jersey calves were investigated with the present study. Treatment groups 1, 2 and 3 were injected 13,3 ml isotonic saline solution (0,9% NaCl), 3 mg/kg levamisole HCl and 2000 IU vitamin E weekly, starting at birth until the age of two weeks. Average serum IgM levels of the control, levamisole and vitamin E calves were 111,7 +/- 9,3 mg/100 ml, 251,9 +/- 27,6 mg/100 ml, 202,2 +/- 43,3 mg/100 ml respectively on day 22. Average serum IgG levels of the levamisole and vitamin E groups elevated, compared to the control group on days 1, 8, 15 and 22. However, there were stastistically differences in treatment and control groups for serum total cholesterol, low density lipoprotein (LDL), high density lipoprotein (HDL), triglyceride and cortisol values and whole blood counts. All differences were in the reference ranges. Levamisole and vitamin E could be used as an alternative way for their beneficial effects such as improving the humoral immune responses of calves and their safety and practical use against the neonatal period infections in the field.
- Published
- 2009
- Full Text
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29. Trombiculidae larvae (Neotrombicula autumnalis) infestation in a Little Bittern (Ixobrychus minutus) in Turkey.
- Author
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Cakiroglu D, Pekmezci D, Meral Y, Gokalp G, and Acici M
- Subjects
- Animals, Bird Diseases epidemiology, Larva growth & development, Male, Trombiculiasis epidemiology, Trombiculiasis parasitology, Turkey epidemiology, Bird Diseases parasitology, Birds parasitology, Trombiculiasis veterinary, Trombiculidae classification, Trombiculidae growth & development
- Abstract
With this case report, we describe Trombiculidae larvae (Neotrombicula autumnalis) infestation in a Little Bittern (Ixobrychus minutus) which was brought to our clinics by the Directorship of Environmental and Forestry authorities of Samsun, Turkey in April, 2007. The male Little Bittern (I. minutus), with a black back and crown, and black wings with a large white patch on each wing, had thick Trombiculidae larvae infestation both on its legs. There were neither dermatological nor general conditional changes observed, except its superficial larval attachments to the skin. To our knowledge, this is the first report of Trombiculidae larvae (N. autumnalis) infestation in a Little Bittern (I. minutus) in Turkey.
- Published
- 2008
- Full Text
- View/download PDF
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