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9 results on '"Gonçalves, Danilo Reis"'

7. Achlya catenulata sp. nov., a new Saprolegniales (Oomycetes, Straminipila) from Brazilian mangrove swamp

Author

Jesus, Ana Lucia, primary, Marano, Agostina Virginia, additional, De Souza, José Ivanildo, additional, James, Timothy Young, additional, Jerônimo, Gustavo Henrique, additional, Rocha, Sarah Cristina Oliveira, additional, Gonçalves, Danilo Reis, additional, Boro, Marcela Castilho, additional, and Pires-Zottarelli, Carmen Lidia Amorim, additional

Published
2015
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8. Morphological and Phylogenetic Analyses of Three Phytopythium Species (Peronosporales, Oomycota) from Brazil.

Author

Jesus, Ana Lucia de, Gonçalves, Danilo Reis, Rocha, Sarah Cristina Oliveira, Marano, Agostina Virginia, Jerônimo, Gustavo Henrique, Souza, José Ivanildo De, Castilho Boro, Marcela, and Pires-Zottarelli, Carmen Lidia Amorim

Subjects
PERONOSPORALES, FUNGAL morphology, FUNGAL phylogeny, REPRODUCTIVE isolation, HYDROPONICS
Abstract

We analyzed the morphology and phylogenetic placement of six isolates of Phytopythium belonging to P. helicoides, P. palingenes and P. vexans that were isolated from water bodies and substrates used for hydroponically grown crops. The molecular data are from the partial large subunit and the complete internal transcribed regions of the ribosomal DNA. These three species are characterized by the presence of ovoid to globose zoosporangia with papillae, internal proliferation as in Phytophthora and mode of zoospore discharge as in Pythium. All isolates showed high morphological and phylogenetic similarity with members of the Clades II and III of Phytopythium. In this paper, Phytopythium palingenes is included for the first time in phylogenetic analyses and our ITS and LSU phylogenies indicated that Aquaperonospora taiwanensis is a synonym of Phytopythium helicoides. [ABSTRACT FROM AUTHOR]

Published
2016
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9. New records ofPythium(Oomycetes, Straminipila) for South America based on morphological and molecular data

Author

Gonçalves, Danilo Reis, de Jesus, Ana Lucia, Rocha, Sarah Cristina Oliveira, Marano, Agostina Virginia, and Pires-Zottarelli, Carmen Lidia Amorim

Abstract

FivePythiumspecies are recorded for the first time in South America. Morphological and phylogenetic analyses (LSU and ITS rDNA regions) confirmed the identification ofP. grandisporangium, P. kashmirense, P. oopapillum,P. segnitiumandP. takayamanum. Moreover, this is the second record ofP. takayamanumin the world. The species were isolated from different samples, such as soil, seawater, substrates used in hydroponics and roots of hydroponic crops in Brazil. The asexual reproduction ofP. segnitiumis documented for the first time and detailed descriptions and illustrations of all species are provided.

Published
2016
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