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2. Development of a Reference Transcriptome and Identification of Differentially Expressed Genes Linked to Salt Stress in Salt Marsh Grass (Sporobolus alterniflorus) along Delaware Coastal Regions.

Author

Todd, Antonette, Bhide, Ketaki, Hayford, Rita, Ayyappan, Vasudevan, Subramani, Mayavan, Chintapenta, Lathadevi Karuna, Thimmapuram, Jyothi, Ozbay, Gulnihal, and Kalavacharla, Venu

Subjects
SALT tolerance in plants, GENE expression, FOXTAIL millet, RICE, NUCLEOTIDE sequencing
Abstract

Salt marsh grass (Sporobolus alterniflorus) plays a crucial role in Delaware coastal regions by serving as a physical barrier between land and water along the inland bays and beaches. This vegetation helps to stabilize the shoreline and prevent erosion, protecting the land from the powerful forces of the waves and tides. In addition to providing a physical barrier, salt marsh grass is responsible for filtering nutrients in the water, offering an environment for aquatic species and presenting a focal point of study for high salt tolerance in plants. As seawater concentrations vary along the Delaware coast from low to medium to high salinity, our study seeks to identify the impact of salt tolerance in marsh grass and to identify genes associated with salt tolerance levels. We developed more than 211,000 next-generation-sequencing (Illumina) transcriptomic reads to create a reference transcriptome from low-, medium-, and high-salinity marsh grass leaf samples collected from the Delaware coastline. Contiguous sequences were annotated based on a homology search using BLASTX against rice (Oryza sativa), foxtail millet (Setaria italica), and non-redundant species within the Viridiplantae database. Additionally, we identified differentially expressed genes related to salinity stress as candidates for salt stress qPCR analysis. The data generated from this study may help to elucidate the genetic signatures and physiological responses of plants to salinity stress, thereby offering valuable insight into the use of innovative approaches for gene expression studies in crops that are less salt tolerant. [ABSTRACT FROM AUTHOR]

Published
2024
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3. Derivation of elephant induced pluripotent stem cells

Author

Appleton, Evan, primary, Hong, Kyunghee, additional, Rodríguez-Caycedo, Cristina, additional, Tanaka, Yoshiaki, additional, Ashkenazy-Titelman, Asaf, additional, Bhide, Ketaki, additional, Rasmussen-Ivey, Cody, additional, Ambriz-Peña, Xochitl, additional, Korover, Nataly, additional, Bai, Hao, additional, Quieroz, Ana, additional, Nelson, Jorgen, additional, Rathod, Grishma, additional, Knox, Gregory, additional, Morgan, Miles, additional, Malviya, Nandini, additional, Zhang, Kairui, additional, McNutt, Brody, additional, Kehler, James, additional, Kowalczyk, Amanda, additional, Bow, Austin, additional, McLendon, Bryan, additional, Cantarel, Brandi, additional, James, Matt, additional, Mason, Christopher E., additional, Gray, Charles, additional, Koehler, Karl R., additional, Pearson, Virginia, additional, Lamm, Ben, additional, Church, George, additional, and Hysolli, Eriona, additional

Published
2024
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4. Supplementary Table S2 from Phase I/II Trial of Vemurafenib in Dogs with Naturally Occurring, BRAF-mutated Urothelial Carcinoma

Author

Rossman, Paul, primary, Zabka, Tanja S., primary, Ruple, Audrey, primary, Tuerck, Dietrich, primary, Ramos-Vara, José A., primary, Liu, Liling, primary, Mohallem, Rodrigo, primary, Merchant, Mark, primary, Franco, Jackeline, primary, Fulkerson, Christopher M., primary, Bhide, Ketaki P., primary, Breen, Matthew, primary, Aryal, Uma K., primary, Murray, Elaine, primary, Dybdal, Noel, primary, Utturkar, Sagar M., primary, Fourez, Lindsey M., primary, Enstrom, Alexander W., primary, Dhawan, Deepika, primary, and Knapp, Deborah W., primary

Published
2023
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5. Figure S3 from Phase I/II Trial of Vemurafenib in Dogs with Naturally Occurring, BRAF-mutated Urothelial Carcinoma

Author

Rossman, Paul, primary, Zabka, Tanja S., primary, Ruple, Audrey, primary, Tuerck, Dietrich, primary, Ramos-Vara, José A., primary, Liu, Liling, primary, Mohallem, Rodrigo, primary, Merchant, Mark, primary, Franco, Jackeline, primary, Fulkerson, Christopher M., primary, Bhide, Ketaki P., primary, Breen, Matthew, primary, Aryal, Uma K., primary, Murray, Elaine, primary, Dybdal, Noel, primary, Utturkar, Sagar M., primary, Fourez, Lindsey M., primary, Enstrom, Alexander W., primary, Dhawan, Deepika, primary, and Knapp, Deborah W., primary

Published
2023
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11. Characterization of sow milk N-linked glycoproteome over the course of lactation.

Author

Rajput, Prabha, Aryal, Uma K, Bhide, Ketaki, Minor, Radiah C, Krishnamurthy, Sairam, and Casey, Theresa M

Subjects
MILK proteins, LIQUID chromatography-mass spectrometry, PROTEOMICS, POST-translational modification, PEPTIDES, WILD boar, IMMUNOGLOBULIN receptors, GLYCOSYLATED hemoglobin, SWINE breeding
Abstract

Milk proteins serve as nutrition and affect neonate development and immunity through their bioactivity. Post-translational modifications of proteins affect their bioactivity. Glycosylation is the attachment of sugar moieties to proteins, with attachment of glycans to asparagine indicated as N-linked glycosylation. Our objective was to characterize N-linked glycosylated proteins in homogenate swine milk samples collected from sows (n  = 5/6) during farrowing to represent colostrum and on days 3 and 14 post-farrowing to represent transitional and mature milk, respectively. Glycopeptides were isolated with lectin-based extraction and treated with Peptide N -glycosidase F (PNGase F) to identify N-linked glycosylation sites. Purified glycopeptides were analyzed by label-free liquid chromatography–tandem mass spectrometry (LC–MS/MS). MaxQuant software was used to align spectra to Sus scrofa Uniport database to identify proteins and measure their relative abundances. Analysis of variance and Welch's t -test analysis identified glycoproteins differentially abundant between colostrum, transitional, and mature milk (false discovery rate <0.05). Shotgun proteome analysis identified 545 N-linked and glutamine, Q, -linked, glycosylation (P  > 0.75 for deamidation) sites on 220 glycoproteins in sow milk. Glycoproteins were found across all three phases of swine milk production and varied by number of glycosylation sites (1–14) and in abundance and distribution between colostrum, transitional, and mature milk. Polymeric immunoglobulin receptor was the most glycosylated protein with 14 sites identified. Also highly glycosylated were casein and mucin proteins. These data are described and the relevance of glycosylated milk proteins in neonate development, such as protection against pathogens, is discussed. [ABSTRACT FROM AUTHOR]

Published
2023
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13. Phase I/II Trial of Vemurafenib in Dogs with Naturally Occurring, BRAF-mutated Urothelial Carcinoma

Author

Rossman, Paul, primary, Zabka, Tanja S., additional, Ruple, Audrey, additional, Tuerck, Dietrich, additional, Ramos-Vara, José A., additional, Liu, Liling, additional, Mohallem, Rodrigo, additional, Merchant, Mark, additional, Franco, Jackeline, additional, Fulkerson, Christopher M., additional, Bhide, Ketaki P., additional, Breen, Matthew, additional, Aryal, Uma K., additional, Murray, Elaine, additional, Dybdal, Noel, additional, Utturkar, Sagar M., additional, Fourez, Lindsey M., additional, Enstrom, Alexander W., additional, Dhawan, Deepika, additional, and Knapp, Deborah W., additional

Published
2021
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14. Core circadian clock transcription factor BMAL1 regulates mammary epithelial cell growth, differentiation, and milk component synthesis

Author

Casey, Theresa, primary, Suarez-Trujillo, Aridany, additional, Cummings, Shelby, additional, Huff, Katelyn, additional, Crodian, Jennifer, additional, Bhide, Ketaki, additional, Aduwari, Clare, additional, Teeple, Kelsey, additional, Shamay, Avi, additional, Mabjeesh, Sameer J., additional, San Miguel, Phillip, additional, Thimmapuram, Jyothi, additional, and Plaut, Karen, additional

Published
2021
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18. Genome-wide profiling of histone modifications (H3K9me2 and H4K12ac) and gene expression in rust (uromyces appendiculatus) inoculated common bean (Phaseolus vulgaris L)

Author

Ayyappan, Vasudevan, Kalavacharla, Venu, Thimmapuram, Jyothi, Bhide, Ketaki P., and Sripathi, Venkateswara R.

Subjects
Engineering, Medicine and Health Sciences, Physical Sciences and Mathematics, food and beverages, Life Sciences
Abstract

Histone modifications such as methylation and acetylation play a significant role in controlling gene expression in unstressed and stressed plants. Genome-wide analysis of such stress-responsive modifications and genes in non-model crops is limited. We report the genome-wide profiling of histone methylation (H3K9me2) and acetylation (H4K12ac) in common bean (Phaseolus vulgaris L.) under rust (Uromyces appendiculatus) stress using two high-throughput approaches, chromatin immunoprecipitation sequencing (ChIP-Seq) and RNA sequencing (RNA-Seq). ChIP-Seq analysis revealed 1,235 and 556 histone methylation and acetylation responsive genes from common bean leaves treated with the rust pathogen at 0, 12 and 84 hour-after-inoculation (hai), while RNA-Seq analysis identified 145 and 1,763 genes differentially expressed between mock-inoculated and inoculated plants. The combined ChIP-Seq and RNA-Seq analyses identified some key defense responsive genes (calmodulin, cytochrome p450, chitinase, DNA Pol II, and LRR) and transcription factors (WRKY, bZIP, MYB, HSFB3, GRAS, NAC, and NMRA) in bean-rust interaction. Differential methylation and acetylation affected a large proportion of stress-responsive genes including resistant (R) proteins, detoxifying enzymes, and genes involved in ion flux and cell death. The genes identified were functionally classified using Gene Ontology (GO) and EuKaryotic Orthologous Groups (KOGs). The Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis identified a putative pathway with ten key genes involved in plant-pathogen interactions. This first report of an integrated analysis of histone modifications and gene expression involved in the bean-rust interaction as reported here provides a comprehensive resource for other epigenomic regulation studies in non-model species under stress.

Published
2015

19. Genomic insights into the Ixodes scapularis tick vector of Lyme disease

Author

Gulia-Nuss, Monika, Nuss, Andrew B., Meyer, Jason M., Sonenshine, Daniel E., Roe, R. Michael, Waterhouse, Robert M., Sattelle, David B., de la Fuente, Jose, Ribeiro, Jose M., Megy, Karine, Thimmapuram, Jyothi, Miller, Jason R., Walenz, Brian P., Koren, Sergey, Hostetler, Jessica B., Thiagarajan, Mathangi, Joardar, Vinita S., Hannick, Linda I., Bidwell, Shelby, Hammond, Martin P., Young, Sarah, Zeng, Qiandong, Abrudan, Jenica L., Almeida, Francisca C., Ayllon, Nieves, Bhide, Ketaki, Bissinger, Brooke W., Bonzon-Kulichenko, Elena, Buckingham, Steven D., Caffrey, Daniel R., Caimano, Melissa J., Croset, Vincent, Driscoll, Timothy, Gilbert, Don, Gillespie, Joseph J., Giraldo-Calderon, Gloria I., Grabowski, Jeffrey M., Jiang, David, Khalil, Sayed M. S., Kim, Donghun, Kocan, Katherine M., Koci, Juraj, Kuhn, Richard J., Kurtti, Timothy J., Lees, Kristin, Lang, Emma G., Kennedy, Ryan C., Kwon, Hyeogsun, Perera, Rushika, Qi, Yumin, Radolf, Justin D., Sakamoto, Joyce M., Sanchez-Gracia, Alejandro, Severo, Maiara S., Silverman, Neal, Simo, Ladislav, Tojo, Marta, Tornador, Cristian, Van Zee, Janice P., Vazquez, Jesus, Vieira, Filipe G., Villar, Margarita, Wespiser, Adam R., Yang, Yunlong, Zhu, Jiwei, Arensburger, Peter, Pietrantonio, Patricia V., Barker, Stephen C., Shao, Renfu, Zdobnov, Evgeny M., Hauser, Frank, Grimmelikhuijzen, Cornelis J. P., Park, Yoonseong, Rozas, Julio, Benton, Richard, Pedra, Joao H. F., Nelson, David R., Unger, Maria F., Tubio, Jose M. C., Tu, Zhijian Jake, Robertson, Hugh M., Shumway, Martin, Sutton, Granger, Wortman, Jennifer R., Lawson, Daniel, Wikel, Stephen K., Nene, Vishvanath M., Fraser, Claire M., Collins, Frank H., Birren, Bruce, Nelson, Karen E., Caler, Elisabet, Hill, Catherine A., Gulia-Nuss, Monika, Nuss, Andrew B., Meyer, Jason M., Sonenshine, Daniel E., Roe, R. Michael, Waterhouse, Robert M., Sattelle, David B., de la Fuente, Jose, Ribeiro, Jose M., Megy, Karine, Thimmapuram, Jyothi, Miller, Jason R., Walenz, Brian P., Koren, Sergey, Hostetler, Jessica B., Thiagarajan, Mathangi, Joardar, Vinita S., Hannick, Linda I., Bidwell, Shelby, Hammond, Martin P., Young, Sarah, Zeng, Qiandong, Abrudan, Jenica L., Almeida, Francisca C., Ayllon, Nieves, Bhide, Ketaki, Bissinger, Brooke W., Bonzon-Kulichenko, Elena, Buckingham, Steven D., Caffrey, Daniel R., Caimano, Melissa J., Croset, Vincent, Driscoll, Timothy, Gilbert, Don, Gillespie, Joseph J., Giraldo-Calderon, Gloria I., Grabowski, Jeffrey M., Jiang, David, Khalil, Sayed M. S., Kim, Donghun, Kocan, Katherine M., Koci, Juraj, Kuhn, Richard J., Kurtti, Timothy J., Lees, Kristin, Lang, Emma G., Kennedy, Ryan C., Kwon, Hyeogsun, Perera, Rushika, Qi, Yumin, Radolf, Justin D., Sakamoto, Joyce M., Sanchez-Gracia, Alejandro, Severo, Maiara S., Silverman, Neal, Simo, Ladislav, Tojo, Marta, Tornador, Cristian, Van Zee, Janice P., Vazquez, Jesus, Vieira, Filipe G., Villar, Margarita, Wespiser, Adam R., Yang, Yunlong, Zhu, Jiwei, Arensburger, Peter, Pietrantonio, Patricia V., Barker, Stephen C., Shao, Renfu, Zdobnov, Evgeny M., Hauser, Frank, Grimmelikhuijzen, Cornelis J. P., Park, Yoonseong, Rozas, Julio, Benton, Richard, Pedra, Joao H. F., Nelson, David R., Unger, Maria F., Tubio, Jose M. C., Tu, Zhijian Jake, Robertson, Hugh M., Shumway, Martin, Sutton, Granger, Wortman, Jennifer R., Lawson, Daniel, Wikel, Stephen K., Nene, Vishvanath M., Fraser, Claire M., Collins, Frank H., Birren, Bruce, Nelson, Karen E., Caler, Elisabet, and Hill, Catherine A.

Abstract

Ticks transmit more pathogens to humans and animals than any other arthropod. We describe the 2.1 Gbp nuclear genome of the tick, Ixodes scapularis (Say), which vectors pathogens that cause Lyme disease, human granulocytic anaplasmosis, babesiosis and other diseases. The large genome reflects accumulation of repetitive DNA, new lineages of retro-transposons, and gene architecture patterns resembling ancient metazoans rather than pancrustaceans. Annotation of scaffolds representing similar to 57% of the genome, reveals 20,486 protein-coding genes and expansions of gene families associated with tick-host interactions. We report insights from genome analyses into parasitic processes unique to ticks, including host 'questing', prolonged feeding, cuticle synthesis, blood meal concentration, novel methods of haemoglobin digestion, haem detoxification, vitellogenesis and prolonged off-host survival. We identify proteins associated with the agent of human granulocytic anaplasmosis, an emerging disease, and the encephalitis-causing Langat virus, and a population structure correlated to life-history traits and transmission of the Lyme disease agent.

Published
2016
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20. Genomic insights into the Ixodes scapularis tick vector of Lyme disease

Author

Biochemistry, Fralin Life Sciences Institute, Gulia-Nuss, Monika, Nuss, Andrew B., Meyer, Jason M., Sonenshine, Daniel E., Roe, R. Michael, Waterhouse, Robert M., Sattelle, David B., de la Fuente, Jose, Ribeiro, Jose M., Megy, Karine, Thimmapuram, Jyothi, Miller, Jason R., Walenz, Brian P., Koren, Sergey, Hostetler, Jessica B., Thiagarajan, Mathangi, Joardar, Vinita S., Hannick, Linda I., Bidwell, Shelby, Hammond, Martin P., Young, Sarah, Zeng, Qiandong, Abrudan, Jenica L., Almeida, Francisca C., Ayllon, Nieves, Bhide, Ketaki, Bissinger, Brooke W., Bonzon-Kulichenko, Elena, Buckingham, Steven D., Caffrey, Daniel R., Caimano, Melissa J., Croset, Vincent, Driscoll, Timothy, Gilbert, Don, Gillespie, Joseph J., Giraldo-Calderon, Gloria I., Grabowski, Jeffrey M., Jiang, David, Khalil, Sayed M. S., Kim, Donghun, Kocan, Katherine M., Koci, Juraj, Kuhn, Richard J., Kurtti, Timothy J., Lees, Kristin, Lang, Emma G., Kennedy, Ryan C., Kwon, Hyeogsun, Perera, Rushika, Qi, Yumin, Radolf, Justin D., Sakamoto, Joyce M., Sanchez-Gracia, Alejandro, Severo, Maiara S., Silverman, Neal, Simo, Ladislav, Tojo, Marta, Tornador, Cristian, Van Zee, Janice P., Vazquez, Jesus, Vieira, Filipe G., Villar, Margarita, Wespiser, Adam R., Yang, Yunlong, Zhu, Jiwei, Arensburger, Peter, Pietrantonio, Patricia V., Barker, Stephen C., Shao, Renfu, Zdobnov, Evgeny M., Hauser, Frank, Grimmelikhuijzen, Cornelis J. P., Park, Yoonseong, Rozas, Julio, Benton, Richard, Pedra, Joao H. F., Nelson, David R., Unger, Maria F., Tubio, Jose M. C., Tu, Zhijian Jake, Robertson, Hugh M., Shumway, Martin, Sutton, Granger, Wortman, Jennifer R., Lawson, Daniel, Wikel, Stephen K., Nene, Vishvanath M., Fraser, Claire M., Collins, Frank H., Birren, Bruce, Nelson, Karen E., Caler, Elisabet, Hill, Catherine A., Biochemistry, Fralin Life Sciences Institute, Gulia-Nuss, Monika, Nuss, Andrew B., Meyer, Jason M., Sonenshine, Daniel E., Roe, R. Michael, Waterhouse, Robert M., Sattelle, David B., de la Fuente, Jose, Ribeiro, Jose M., Megy, Karine, Thimmapuram, Jyothi, Miller, Jason R., Walenz, Brian P., Koren, Sergey, Hostetler, Jessica B., Thiagarajan, Mathangi, Joardar, Vinita S., Hannick, Linda I., Bidwell, Shelby, Hammond, Martin P., Young, Sarah, Zeng, Qiandong, Abrudan, Jenica L., Almeida, Francisca C., Ayllon, Nieves, Bhide, Ketaki, Bissinger, Brooke W., Bonzon-Kulichenko, Elena, Buckingham, Steven D., Caffrey, Daniel R., Caimano, Melissa J., Croset, Vincent, Driscoll, Timothy, Gilbert, Don, Gillespie, Joseph J., Giraldo-Calderon, Gloria I., Grabowski, Jeffrey M., Jiang, David, Khalil, Sayed M. S., Kim, Donghun, Kocan, Katherine M., Koci, Juraj, Kuhn, Richard J., Kurtti, Timothy J., Lees, Kristin, Lang, Emma G., Kennedy, Ryan C., Kwon, Hyeogsun, Perera, Rushika, Qi, Yumin, Radolf, Justin D., Sakamoto, Joyce M., Sanchez-Gracia, Alejandro, Severo, Maiara S., Silverman, Neal, Simo, Ladislav, Tojo, Marta, Tornador, Cristian, Van Zee, Janice P., Vazquez, Jesus, Vieira, Filipe G., Villar, Margarita, Wespiser, Adam R., Yang, Yunlong, Zhu, Jiwei, Arensburger, Peter, Pietrantonio, Patricia V., Barker, Stephen C., Shao, Renfu, Zdobnov, Evgeny M., Hauser, Frank, Grimmelikhuijzen, Cornelis J. P., Park, Yoonseong, Rozas, Julio, Benton, Richard, Pedra, Joao H. F., Nelson, David R., Unger, Maria F., Tubio, Jose M. C., Tu, Zhijian Jake, Robertson, Hugh M., Shumway, Martin, Sutton, Granger, Wortman, Jennifer R., Lawson, Daniel, Wikel, Stephen K., Nene, Vishvanath M., Fraser, Claire M., Collins, Frank H., Birren, Bruce, Nelson, Karen E., Caler, Elisabet, and Hill, Catherine A.

Abstract

Ticks transmit more pathogens to humans and animals than any other arthropod. We describe the 2.1 Gbp nuclear genome of the tick, Ixodes scapularis (Say), which vectors pathogens that cause Lyme disease, human granulocytic anaplasmosis, babesiosis and other diseases. The large genome reflects accumulation of repetitive DNA, new lineages of retro-transposons, and gene architecture patterns resembling ancient metazoans rather than pancrustaceans. Annotation of scaffolds representing similar to 57% of the genome, reveals 20,486 protein-coding genes and expansions of gene families associated with tick-host interactions. We report insights from genome analyses into parasitic processes unique to ticks, including host 'questing', prolonged feeding, cuticle synthesis, blood meal concentration, novel methods of haemoglobin digestion, haem detoxification, vitellogenesis and prolonged off-host survival. We identify proteins associated with the agent of human granulocytic anaplasmosis, an emerging disease, and the encephalitis-causing Langat virus, and a population structure correlated to life-history traits and transmission of the Lyme disease agent.

Published
2016

21. Genomic insights into the Ixodes scapularis tick vector of Lyme disease

Author

National Institute of Allergy and Infectious Diseases (US), National Institutes of Health (US), Department of Health and Human Services (US), Australian Research Council, Ministerio de Ciencia e Innovación (España), National Science Foundation (US), Xunta de Galicia, European Commission, Department of Agriculture (US), Texas AgriLife Research, European Research Council, Swiss National Science Foundation, Boehringer Ingelheim Fonds, Fundação para a Ciência e a Tecnologia (Portugal), Lundbeck Foundation, Gulia-Nuss, Monika, Nuss, Andrew B., Meyer, Jason M., Sonenshine, Daniel E., Roe, R. Michael, Waterhouse, Robert M., Sattelle, David B., Fuente, José de la, Ribeiro, Jose M., Megy, Karine, Thimmapuram, Jyothi, Miller, Jason R., Walenz, Brian P., Koren, Sergey, Hostetler, Jessica B., Thiagarajan, Mathangi, Joardar, Vinita S., Hannick, Linda I., Bidwell, Shelby, Hammond, Martin P., Young, Sarah, Zeng, Qiandong, Abrudan, Jenica L., Almeida, Francisca C., Ayllón, Nieves, Bhide, Ketaki, Bissinger, Brooke W., Bonzón-Kulichenko, Elena, Buckingham, Steven D., Caffrey, Daniel R., Caimano, Melissa J., Croset, Vincent, Driscoll, Timothy, Gilbert, Don, Gillespie, Joseph J., Giraldo-Calderón, Gloria I., Grabowski, Jeffrey M., Jiang, David, Khalil, Sayed M .S., Kim, Donghun, Kocan, Katherine M., Koči, Juraj, Kuhn, Richard J., Kurtti, Timothy J., Lees, Kristin, Lang, Emma G., Kennedy, Ryan C., Kwon, Hyeogsun, Perera, Rushika, Qi, Yumin, Radolf, Justin D., Sakamoto, Joyce M., Sánchez-Gracia, Alejandro, Severo, Maiara S., Silverman, Neal, Šimo, Ladislav, Tojo, Marta, Tornador, Cristian, Van Zee, Janice P., Vázquez, Jesús, Vieira, Filipe G., Villar, Margarita, Wespiser, Adam R., Yang, Yunlong, Zhu, Jiwei, Arensburger, Peter, Pietrantonio, Patricia V., Barker, Stephen C., Shao, Renfu, Zdobnov, Evgeny M., Hauser, Frank, Grimmelikhuijzen, Cornelis J. P., Park, Yoonseong, Rozas, Julio, Benton, Richard, Pedra, Joao H. F., Nelson, David R., Unger, Maria F., Tubio, Jose M. C., Tu, Zhijian, Robertson, Hugh M., Shumway, Martin, Sutton, Granger, Wortman, Jennifer R., Lawson, Daniel, Wikel, Stephen K., Nene, Vishvanath M., Fraser, Claire M., Collins, Frank H., Birren, Bruce, Nelson, Karen E., Caler, Elisabet, Hill, Catherine A., National Institute of Allergy and Infectious Diseases (US), National Institutes of Health (US), Department of Health and Human Services (US), Australian Research Council, Ministerio de Ciencia e Innovación (España), National Science Foundation (US), Xunta de Galicia, European Commission, Department of Agriculture (US), Texas AgriLife Research, European Research Council, Swiss National Science Foundation, Boehringer Ingelheim Fonds, Fundação para a Ciência e a Tecnologia (Portugal), Lundbeck Foundation, Gulia-Nuss, Monika, Nuss, Andrew B., Meyer, Jason M., Sonenshine, Daniel E., Roe, R. Michael, Waterhouse, Robert M., Sattelle, David B., Fuente, José de la, Ribeiro, Jose M., Megy, Karine, Thimmapuram, Jyothi, Miller, Jason R., Walenz, Brian P., Koren, Sergey, Hostetler, Jessica B., Thiagarajan, Mathangi, Joardar, Vinita S., Hannick, Linda I., Bidwell, Shelby, Hammond, Martin P., Young, Sarah, Zeng, Qiandong, Abrudan, Jenica L., Almeida, Francisca C., Ayllón, Nieves, Bhide, Ketaki, Bissinger, Brooke W., Bonzón-Kulichenko, Elena, Buckingham, Steven D., Caffrey, Daniel R., Caimano, Melissa J., Croset, Vincent, Driscoll, Timothy, Gilbert, Don, Gillespie, Joseph J., Giraldo-Calderón, Gloria I., Grabowski, Jeffrey M., Jiang, David, Khalil, Sayed M .S., Kim, Donghun, Kocan, Katherine M., Koči, Juraj, Kuhn, Richard J., Kurtti, Timothy J., Lees, Kristin, Lang, Emma G., Kennedy, Ryan C., Kwon, Hyeogsun, Perera, Rushika, Qi, Yumin, Radolf, Justin D., Sakamoto, Joyce M., Sánchez-Gracia, Alejandro, Severo, Maiara S., Silverman, Neal, Šimo, Ladislav, Tojo, Marta, Tornador, Cristian, Van Zee, Janice P., Vázquez, Jesús, Vieira, Filipe G., Villar, Margarita, Wespiser, Adam R., Yang, Yunlong, Zhu, Jiwei, Arensburger, Peter, Pietrantonio, Patricia V., Barker, Stephen C., Shao, Renfu, Zdobnov, Evgeny M., Hauser, Frank, Grimmelikhuijzen, Cornelis J. P., Park, Yoonseong, Rozas, Julio, Benton, Richard, Pedra, Joao H. F., Nelson, David R., Unger, Maria F., Tubio, Jose M. C., Tu, Zhijian, Robertson, Hugh M., Shumway, Martin, Sutton, Granger, Wortman, Jennifer R., Lawson, Daniel, Wikel, Stephen K., Nene, Vishvanath M., Fraser, Claire M., Collins, Frank H., Birren, Bruce, Nelson, Karen E., Caler, Elisabet, and Hill, Catherine A.

Abstract

Ticks transmit more pathogens to humans and animals than any other arthropod. We describe the 2.1 Gbp nuclear genome of the tick, Ixodes scapularis (Say), which vectors pathogens that cause Lyme disease, human granulocytic anaplasmosis, babesiosis and other diseases. The large genome reflects accumulation of repetitive DNA, new lineages of retro-transposons, and gene architecture patterns resembling ancient metazoans rather than pancrustaceans. Annotation of scaffolds representing ∼57% of the genome, reveals 20,486 protein-coding genes and expansions of gene families associated with tick–host interactions. We report insights from genome analyses into parasitic processes unique to ticks, including host ‘questing’, prolonged feeding, cuticle synthesis, blood meal concentration, novel methods of haemoglobin digestion, haem detoxification, vitellogenesis and prolonged off-host survival. We identify proteins associated with the agent of human granulocytic anaplasmosis, an emerging disease, and the encephalitis-causing Langat virus, and a population structure correlated to life-history traits and transmission of the Lyme disease agent.

Published
2016

22. Draft Genome Sequence of Acetobacter aceti Strain 1023, a Vinegar Factory Isolate

Author

Hung, John, Mill, Christopher, Clifton, Sandra, Magrini, Vincent, Bhide, Ketaki, Francois, Julie, Ransome, Aaron, Fulton, Lucinda, Thimmapuram, Jyothi, Wilson, Richard, and Kappock, T. Joseph

Subjects
Engineering, Medicine and Health Sciences, Physical Sciences and Mathematics, food and beverages, Life Sciences, Prokaryotes
Abstract

The genome sequence of Acetobacter aceti 1023, an acetic acid bacterium adapted to traditional vinegar fermentation, comprises 3.0 Mb (chromosome plus plasmids). A. aceti 1023 is closely related to the cocoa fermenter Acetobacter pasteurianus 386B but possesses many additional insertion sequence elements.

Published
2014

25. Genomic insights into the Ixodes scapularis tick vector of Lyme disease

Author

Gulia-Nuss, Monika, primary, Nuss, Andrew B., additional, Meyer, Jason M., additional, Sonenshine, Daniel E., additional, Roe, R. Michael, additional, Waterhouse, Robert M., additional, Sattelle, David B., additional, de la Fuente, José, additional, Ribeiro, Jose M., additional, Megy, Karine, additional, Thimmapuram, Jyothi, additional, Miller, Jason R., additional, Walenz, Brian P., additional, Koren, Sergey, additional, Hostetler, Jessica B., additional, Thiagarajan, Mathangi, additional, Joardar, Vinita S., additional, Hannick, Linda I., additional, Bidwell, Shelby, additional, Hammond, Martin P., additional, Young, Sarah, additional, Zeng, Qiandong, additional, Abrudan, Jenica L., additional, Almeida, Francisca C., additional, Ayllón, Nieves, additional, Bhide, Ketaki, additional, Bissinger, Brooke W., additional, Bonzon-Kulichenko, Elena, additional, Buckingham, Steven D., additional, Caffrey, Daniel R., additional, Caimano, Melissa J., additional, Croset, Vincent, additional, Driscoll, Timothy, additional, Gilbert, Don, additional, Gillespie, Joseph J., additional, Giraldo-Calderón, Gloria I., additional, Grabowski, Jeffrey M., additional, Jiang, David, additional, Khalil, Sayed M. S., additional, Kim, Donghun, additional, Kocan, Katherine M., additional, Koči, Juraj, additional, Kuhn, Richard J., additional, Kurtti, Timothy J., additional, Lees, Kristin, additional, Lang, Emma G., additional, Kennedy, Ryan C., additional, Kwon, Hyeogsun, additional, Perera, Rushika, additional, Qi, Yumin, additional, Radolf, Justin D., additional, Sakamoto, Joyce M., additional, Sánchez-Gracia, Alejandro, additional, Severo, Maiara S., additional, Silverman, Neal, additional, Šimo, Ladislav, additional, Tojo, Marta, additional, Tornador, Cristian, additional, Van Zee, Janice P., additional, Vázquez, Jesús, additional, Vieira, Filipe G., additional, Villar, Margarita, additional, Wespiser, Adam R., additional, Yang, Yunlong, additional, Zhu, Jiwei, additional, Arensburger, Peter, additional, Pietrantonio, Patricia V., additional, Barker, Stephen C., additional, Shao, Renfu, additional, Zdobnov, Evgeny M., additional, Hauser, Frank, additional, Grimmelikhuijzen, Cornelis J. P., additional, Park, Yoonseong, additional, Rozas, Julio, additional, Benton, Richard, additional, Pedra, Joao H. F., additional, Nelson, David R., additional, Unger, Maria F., additional, Tubio, Jose M. C., additional, Tu, Zhijian, additional, Robertson, Hugh M., additional, Shumway, Martin, additional, Sutton, Granger, additional, Wortman, Jennifer R., additional, Lawson, Daniel, additional, Wikel, Stephen K., additional, Nene, Vishvanath M., additional, Fraser, Claire M., additional, Collins, Frank H., additional, Birren, Bruce, additional, Nelson, Karen E., additional, Caler, Elisabet, additional, and Hill, Catherine A., additional

Published
2016
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26. Metatranscriptomic profiles of Eastern subterranean termites, Reticulitermes flavipes (Kollar) fed on second generation feedstocks

Author

Rajarapu, Swapna Priya, Shreve, Jacob T, Bhide, Ketaki P, Thimmapuram, Jyothi, Scharf, Michael E, Rajarapu, Swapna Priya, Shreve, Jacob T, Bhide, Ketaki P, Thimmapuram, Jyothi, and Scharf, Michael E

Abstract

Background: Second generation lignocellulosic feedstocks are being considered as an alternative to first generation biofuels that are derived from grain starches and sugars. However, the current pre-treatment methods for second generation biofuel production are inefficient and expensive due to the recalcitrant nature of lignocellulose. In this study, we used the lower termite Reticulitermes flavipes (Kollar), as a model to identify potential pretreatment genes/enzymes specifically adapted for use against agricultural feedstocks. Results: Metatranscriptomic profiling was performed on worker termite guts after feeding on corn stover (CS), soybean residue (SR), or 98% pure cellulose (paper) to identify (i) microbial community, (ii) pathway level and (iii) gene-level responses. Microbial community profiles after CS and SR feeding were different from the paper feeding profile, and protist symbiont abundance decreased significantly in termites feeding on SR and CS relative to paper. Functional profiles after CS feeding were similar to paper and SR; whereas paper and SR showed different profiles. Amino acid and carbohydrate metabolism pathways were downregulated in termites feeding on SR relative to paper and CS. Gene expression analyses showed more significant down regulation of genes after SR feeding relative to paper and CS. Stereotypical lignocellulase genes/enzymes were not differentially expressed, but rather were among the most abundant/constitutively-expressed genes. Conclusions: These results suggest that the effect of CS and SR feeding on termite gut lignocellulase composition is minimal and thus, the most abundantly expressed enzymes appear to encode the best candidate catalysts for use in saccharification of these and related second-generation feedstocks. Further, based on these findings we hypothesize that the most abundantly expressed lignocellulases, rather than those that are differentially expressed have the best potential as pretreatment enzymes for CS an

Published
2015

27. Genome-Wide Profiling of Histone Modifications (H3K9me2 and H4K12ac) and Gene Expression in Rust (Uromyces appendiculatus) Inoculated Common Bean (Phaseolus vulgaris L.)

Author

Ayyappan, Vasudevan, primary, Kalavacharla, Venu, additional, Thimmapuram, Jyothi, additional, Bhide, Ketaki P., additional, Sripathi, Venkateswara R., additional, Smolinski, Tomasz G., additional, Manoharan, Muthusamy, additional, Thurston, Yaqoob, additional, Todd, Antonette, additional, and Kingham, Bruce, additional

Published
2015
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29. MED18 interaction with distinct transcription factors regulates multiple plant functions.

Author

Lai, Z, Schluttenhofer, C, Bhide, Ketaki, Schreve, J, Thimmapuram, Jyothi, Lee, S Y, Yum, D J, Mengiste, T, Lai, Z, Schluttenhofer, C, Bhide, Ketaki, Schreve, J, Thimmapuram, Jyothi, Lee, S Y, Yum, D J, and Mengiste, T

Abstract

Mediator is an evolutionarily conserved transcriptional regulatory complex. Mechanisms of Mediator function are poorly understood. Here we show that Arabidopsis MED18 is a multifunctional protein regulating plant immunity, flowering time and responses to hormones through interactions with distinct transcription factors. MED18 interacts with YIN YANG1 to suppress disease susceptibility genes glutaredoxins GRX480, GRXS13 and thioredoxin TRX-h5. Consequently, yy1 and med18 mutants exhibit deregulated expression of these genes and enhanced susceptibility to fungal infection. In addition, MED18 interacts with ABA INSENSITIVE 4 and SUPPRESSOR OF FRIGIDA4 to regulate abscisic acid responses and flowering time, respectively. MED18 associates with the promoter, coding and terminator regions of target genes suggesting its function in transcription initiation, elongation and termination. Notably, RNA polymerase II occupancy and histone H3 lysine tri-methylation of target genes are affected in the med18 mutant, reinforcing MED18 function in different mechanisms of transcriptional control. Overall, MED18 conveys distinct cues to engender transcription underpinning plant responses.

Published
2014

30. Transcriptomic and proteomic dynamics in the metabolism of a diazotrophic cyanobacterium, Cyanothece sp. PCC 7822 during a diurnal light–dark cycle

Author

Welkie, David G, Zhang, Xiaohui, Markillie, Meng Lye, Taylor, Ronald, Orr, Galya, Jacob, Jon, Bhide, Ketaki, Thimmapuram, Jyothi, Gritsenko, Marina, Smith, Richard D, Sherman, Louis A, Welkie, David G, Zhang, Xiaohui, Markillie, Meng Lye, Taylor, Ronald, Orr, Galya, Jacob, Jon, Bhide, Ketaki, Thimmapuram, Jyothi, Gritsenko, Marina, Smith, Richard D, and Sherman, Louis A

Abstract

Background Cyanothece sp. PCC 7822 is an excellent cyanobacterial model organism with great potential to be applied as a biocatalyst for the production of high value compounds. Like other unicellular diazotrophic cyanobacterial species, it has a tightly regulated metabolism synchronized to the light–dark cycle. Utilizing transcriptomic and proteomic methods, we quantified the relationships between transcription and translation underlying central and secondary metabolism in response to nitrogen free, 12 hour light and 12 hour dark conditions. Results By combining mass-spectrometry based proteomics and RNA-sequencing transcriptomics, we quantitatively measured a total of 6766 mRNAs and 1322 proteins at four time points across a 24 hour light–dark cycle. Photosynthesis, nitrogen fixation, and carbon storage relevant genes were expressed during the preceding light or dark period, concurrent with measured nitrogenase activity in the late light period. We describe many instances of disparity in peak mRNA and protein abundances, and strong correlation of light dependent expression of both antisense and CRISPR-related gene expression. The proteins for nitrogenase and the pentose phosphate pathway were highest in the dark, whereas those for glycolysis and the TCA cycle were more prominent in the light. Interestingly, one copy of the psbA gene encoding the photosystem II (PSII) reaction center protein D1 (psbA4) was highly upregulated only in the dark. This protein likely cannot catalyze O2 evolution and so may be used by the cell to keep PSII intact during N2 fixation. The CRISPR elements were found exclusively at the ends of the large plasmid and we speculate that their presence is crucial to the maintenance of this plasmid. Conclusions This investigation of parallel transcriptional and translational activity within Cyanothece sp. PCC 7822 provided quantitative information on expression levels of metabolic pathways relevant to engineering efforts. The identification of expr

Published
2014

31. Transcriptomic and proteomic dynamics in the metabolism of a diazotrophic cyanobacterium, Cyanothece sp. PCC 7822 during a diurnal light–dark cycle

Author

Welkie, David, primary, Zhang, Xiaohui, additional, Markillie, Meng Lye, additional, Taylor, Ronald, additional, Orr, Galya, additional, Jacobs, Jon, additional, Bhide, Ketaki, additional, Thimmapuram, Jyothi, additional, Gritsenko, Marina, additional, Mitchell, Hugh, additional, Smith, Richard D, additional, and Sherman, Louis A, additional

Published
2014
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34. Genome-Wide Profiling of Histone Modifications (H3K9me2 and H4K12ac) and Gene Expression in Rust (Uromyces appendiculatus) Inoculated Common Bean (Phaseolus vulgaris L.).

Author

Ayyappan, Vasudevan, Kalavacharla, Venu, Thimmapuram, Jyothi, Bhide, Ketaki P., Sripathi, Venkateswara R., Smolinski, Tomasz G., Manoharan, Muthusamy, Thurston, Yaqoob, Todd, Antonette, and Kingham, Bruce

Subjects
HISTONES, UROMYCES appendiculatus, HUMAN genome, GENE expression, COMMON bean, METHYLATION
Abstract

Histone modifications such as methylation and acetylation play a significant role in controlling gene expression in unstressed and stressed plants. Genome-wide analysis of such stress-responsive modifications and genes in non-model crops is limited. We report the genome-wide profiling of histone methylation (H3K9me2) and acetylation (H4K12ac) in common bean (Phaseolus vulgaris L.) under rust (Uromyces appendiculatus) stress using two high-throughput approaches, chromatin immunoprecipitation sequencing (ChIP-Seq) and RNA sequencing (RNA-Seq). ChIP-Seq analysis revealed 1,235 and 556 histone methylation and acetylation responsive genes from common bean leaves treated with the rust pathogen at 0, 12 and 84 hour-after-inoculation (hai), while RNA-Seq analysis identified 145 and 1,763 genes differentially expressed between mock-inoculated and inoculated plants. The combined ChIP-Seq and RNA-Seq analyses identified some key defense responsive genes (calmodulin, cytochrome p450, chitinase, DNA Pol II, and LRR) and transcription factors (WRKY, bZIP, MYB, HSFB3, GRAS, NAC, and NMRA) in bean-rust interaction. Differential methylation and acetylation affected a large proportion of stress-responsive genes including resistant (R) proteins, detoxifying enzymes, and genes involved in ion flux and cell death. The genes identified were functionally classified using Gene Ontology (GO) and EuKaryotic Orthologous Groups (KOGs). The Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis identified a putative pathway with ten key genes involved in plant-pathogen interactions. This first report of an integrated analysis of histone modifications and gene expression involved in the bean-rust interaction as reported here provides a comprehensive resource for other epigenomic regulation studies in non-model species under stress. [ABSTRACT FROM AUTHOR]

Published
2015
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35. Genome-wide identification of histone methylation (H3K9me2) and acetylation (H4K12ac) marks in two ecotypes of switchgrass (Panicum virgatum L.).

Author

Ayyappan, Vasudevan, Sripathi, Venkateswara R., Kalavacharla, Venu (Kal), Saha, Malay C., Thimmapuram, Jyothi, Bhide, Ketaki P., and Fiedler, Elizabeth

Subjects
SWITCHGRASS, HISTONE methylation, ACETYLATION, GENETIC regulation, DNA methylation, TRANSCRIPTION factors
Abstract

Background: Histone modifications play a significant role in the regulation of transcription and various biological processes, such as development and regeneration. Though a few genomic (including DNA methylation patterns) and transcriptomic studies are currently available in switchgrass, the genome-wide distribution of histone modifications has not yet been studied to help elucidate gene regulation and its application to switchgrass improvement. Results: This study provides a comprehensive epigenomic analyses of two contrasting switchgrass ecotypes, lowland (AP13) and upland (VS16), by employing chromatin immunoprecipitation sequencing (ChIP-Seq) with two histone marks (suppressive- H3K9me2 and active- H4K12ac). In this study, most of the histone binding was in non-genic regions, and the highest enrichment was seen between 0 and 2 kb regions from the transcriptional start site (TSS). Considering the economic importance and potential of switchgrass as a bioenergy crop, we focused on genes, transcription factors (TFs), and pathways that were associated with C4-photosynthesis, biomass, biofuel production, biotic stresses, and abiotic stresses. Using quantitative real-time PCR (qPCR) the relative expression of five genes selected from the phenylpropanoid-monolignol pathway showed preferential binding of acetylation marks in AP13 rather than in VS16. Conclusions: The genome-wide histone modifications reported here can be utilized in understanding the regulation of genes important in the phenylpropanoid–monolignol biosynthesis pathway, which in turn, may help understand the recalcitrance associated with conversion of biomass to biofuel, a major roadblock in utilizing lignocellulosic feedstocks. [ABSTRACT FROM AUTHOR]

Published
2019
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36. Genomics reveals heterogeneous Plasmodium falciparum transmission and population differentiation in Zambia and bordering countries.

Author

Fola AA, He Q, Xie S, Thimmapuram J, Bhide KP, Dorman J, Ciubotariu II, Mwenda MC, Mambwe B, Mulube C, Hawela M, Norris DE, Moss WJ, Bridges DJ, and Carpi G

Abstract

Genomic surveillance plays a critical role in monitoring malaria transmission and understanding how the parasite adapts in response to interventions. We conducted genomic surveillance of malaria by sequencing 241 Plasmodium falciparum genomes from regions with varying levels of malaria transmission across Zambia. We found genomic evidence of high levels of within-host polygenomic infections, regardless of epidemiological characteristics, underscoring the extensive and ongoing endemic malaria transmission in the country. We identified country-level clustering of parasites from Zambia and neighboring countries, and distinct clustering of parasites from West Africa. Within Zambia, our identity by descent (IBD) relatedness analysis uncovered spatial clustering of closely related parasite pairs at the local level and rare cases of long-distance sharing. Genomic regions with large shared IBD segments and strong positive selection signatures identified genes involved in sulfadoxine-pyrimethamine and artemisinin combination therapies drug resistance, but no signature related to chloroquine resistance. Together, our findings enhance our understanding of P. falciparum transmission nationwide in Zambia and highlight the urgency of strengthening malaria control programs and surveillance of antimalarial drug resistance.

Published
2024
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