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305 results on '"Kitajima, Elliot W."'

18. Novel insights into the genomic basis of citrus canker based on the genome sequences of two strains of Xanthomonas fuscans subsp. aurantifolii

Author

Moreira, Leandro M, Almeida, Nalvo F, Potnis, Neha, Digiampietri, Luciano A, Adi, Said S, Bortolossi, Julio C, da Silva, Ana C, da Silva, Aline M, de Moraes, Fabrício E, de Oliveira, Julio C, de Souza, Robson F, Facincani, Agda P, Ferraz, André L, Ferro, Maria I, Furlan, Luiz R, Gimenez, Daniele F, Jones, Jeffrey B, Kitajima, Elliot W, Laia, Marcelo L, Leite, Rui P, Nishiyama, Milton Y, Rodrigues Neto, Julio, Nociti, Letícia A, Norman, David J, Ostroski, Eric H, Pereira, Haroldo A, Staskawicz, Brian J, Tezza, Renata I, Ferro, Jesus A, Vinatzer, Boris A, and Setubal, João C

Abstract

Abstract Background Citrus canker is a disease that has severe economic impact on the citrus industry worldwide. There are three types of canker, called A, B, and C. The three types have different phenotypes and affect different citrus species. The causative agent for type A is Xanthomonas citri subsp. citri, whose genome sequence was made available in 2002. Xanthomonas fuscans subsp. aurantifolii strain B causes canker B and Xanthomonas fuscans subsp. aurantifolii strain C causes canker C. Results We have sequenced the genomes of strains B and C to draft status. We have compared their genomic content to X. citri subsp. citri and to other Xanthomonas genomes, with special emphasis on type III secreted effector repertoires. In addition to pthA, already known to be present in all three citrus canker strains, two additional effector genes, xopE3 and xopAI, are also present in all three strains and are both located on the same putative genomic island. These two effector genes, along with one other effector-like gene in the same region, are thus good candidates for being pathogenicity factors on citrus. Numerous gene content differences also exist between the three cankers strains, which can be correlated with their different virulence and host range. Particular attention was placed on the analysis of genes involved in biofilm formation and quorum sensing, type IV secretion, flagellum synthesis and motility, lipopolysacharide synthesis, and on the gene xacPNP, which codes for a natriuretic protein. Conclusion We have uncovered numerous commonalities and differences in gene content between the genomes of the pathogenic agents causing citrus canker A, B, and C and other Xanthomonas genomes. Molecular genetics can now be employed to determine the role of these genes in plant-microbe interactions. The gained knowledge will be instrumental for improving citrus canker control.

Published
2010

20. A Capsid Protein Fragment of a Fusagra-like Virus Found in Carica papaya Latex Interacts with the 50S Ribosomal Protein L17

Author

Maurastoni, Marlonni, primary, Sá Antunes, Tathiana F., additional, Abreu, Emanuel F. M., additional, Ribeiro, Simone G., additional, Mehta, Angela, additional, Sanches, Marcio M., additional, Fontes, Wagner, additional, Kitajima, Elliot W., additional, Cruz, Fabiano T., additional, Santos, Alexandre M. C., additional, Ventura, Jose A., additional, Gomes, Ana C. M. M., additional, Zerbini, F. Murilo, additional, Sosa-Acosta, Patricia, additional, Nogueira, Fábio C. S., additional, Rodrigues, Silas P., additional, Aragão, Francisco J. L., additional, Whitfield, Anna E., additional, and Fernandes, Patricia M. B., additional

Published
2023
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21. First genome sequence of an isolate of hibiscus chlorotic ringspot virus from the Western hemisphere

Author

Ramos-González, Pedro Luis, da Costa-Rodrigues, Mariane, Potsclam-Barro, Matheus, Chabi-Jesus, Camila, Banguela-Castillo, Alexander, Harakava, Ricardo, Kitajima, Elliot W., and Freitas-Astúa, Juliana

Abstract

For the first time, the near-complete genome sequence of the betacarmovirus, hibiscus chlorotic ringspot virus (HCRSV) isolated from the Americas is disclosed. High throughput sequencing of the total RNA extract from a Hibiscus-rosa sinensis(L.) plant collected in São Paulo state, Brazil, revealed the genome sequence of HCRSV isolate SBO1, which is 3945 nucleotides long and shows 93.1% nucleotide sequence identity with HCRSV_Singapore (X86448), considered the type member of the species. These two viruses display a similar genomic organization and potentially encode seven open reading frames (ORFs). In addition, a phylogenetic analysis based on a fragment with 557 nts of p38, the coat protein gene, from a cohort of 14 samples collected in Brazil revealed a no clearly defined segregation of South American isolates from those previously detected in geographical areas outside this continent. The practical consequences of the use of p38ORF-derived amplicons for detection and variability studies of HCRSV are concisely discussed.

Published
2024
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22. Dichorhaviruses in their Host Plants and Mite Vectors

Author

Dietzgen, Ralf G., primary, Freitas-Astúa, Juliana, additional, Chabi-Jesus, Camila, additional, Ramos-González, Pedro L., additional, Goodin, Michael M., additional, Kondo, Hideki, additional, Tassi, Aline D., additional, and Kitajima, Elliot W., additional

Published
2018
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25. Screening Cowpea Genotypes for Resistance to Cowpea Aphid Borne Mosaic Virus (CABMV) and Cowpea Severe Mosaic Virus (CPSMV) in Paraguay.

Author

Alonso, Guillermo, Duarte, Pablo, Camelo-García, Viviana M., Esquivel-Fariña, Arnaldo, Kitajima, Elliot W., Rezende, Jorge A. M., and González-Segnana, Luis R.

Subjects
MOSAIC viruses, COWPEA, GENOTYPES, APHIDS, VIRUS diseases, RURAL families
Abstract

Background: Cowpea [Vigna unguiculata (L) Walp.] is one of the Paraguayan rural families' main crops, serving as an essential protein and carbohydrate source. Cowpea aphid borne mosaic virus (CABMV) and cowpea severe mosaic virus (CPSMV) were identified infecting cowpea plants. Disease control caused by both viruses is difficult because there is no information about local cowpea resistant cultivars and vector control is not practical. Methods: In the present work, sixteen cowpea genotypes/cultivars were mechanically inoculated with local isolates of CABMV and CPSMV to identify resistant genotypes/cultivars that can be used in breeding programs. Virus infections were determined by symptoms expression and confirmed by PTA-ELISA. Result: Genotypes Arroz rojo (V. angularis), TVu 379, TVu 382, TE94-256-2E and TE97-309G-9 were resistant to CABMV. Genotypes Arroz rojo (V. angularis), CNCX-698-128F, TVu 379, TVu 382, TVu-3961, TE97-309G-9 and TE97-309G-3 were resistant to CPSMV. Overall, this study showed that local cowpea cultivars do not offer any resistance to virus infection and the need for resistant germplasms for cowpea breeding programs in the country. [ABSTRACT FROM AUTHOR]

Published
2023
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34. Taxonomy of the order Mononegavirales: update 2016

Author

Afonso, Claudio L., Amarasinghe, Gaya K., Bányai, Krisztián, Bào, Yīmíng, Basler, Christopher F., Bavari, Sina, Bejerman, Nicolás, Blasdell, Kim R., Briand, François-Xavier, Briese, Thomas, Bukreyev, Alexander, Calisher, Charles H., Chandran, Kartik, Chéng, Jiāsēn, Clawson, Anna N., Collins, Peter L., Dietzgen, Ralf G., Dolnik, Olga, Domier, Leslie L., Dürrwald, Ralf, Dye, John M., Easton, Andrew J., Ebihara, Hideki, Farkas, Szilvia L., Freitas-Astúa, Juliana, Formenty, Pierre, Fouchier, Ron A. M., Fù, Yànpíng, Ghedin, Elodie, Goodin, Michael M., Hewson, Roger, Horie, Masayuki, Hyndman, Timothy H., Jiāng, Dàohóng, Kitajima, Elliot W., Kobinger, Gary P., Kondo, Hideki, Kurath, Gael, Lamb, Robert A., Lenardon, Sergio, Leroy, Eric M., Li, Ci-Xiu, Lin, Xian-Dan, Liú, Lìjiāng, Longdon, Ben, Marton, Szilvia, Maisner, Andrea, Mühlberger, Elke, Netesov, Sergey V., Nowotny, Norbert, Patterson, Jean L., Payne, Susan L., Paweska, Janusz T., Randall, Rick E., Rima, Bertus K., Rota, Paul, Rubbenstroth, Dennis, Schwemmle, Martin, Shi, Mang, Smither, Sophie J., Stenglein, Mark D., Stone, David M., Takada, Ayato, Terregino, Calogero, Tesh, Robert B., Tian, Jun-Hua, Tomonaga, Keizo, Tordo, Noël, Towner, Jonathan S., Vasilakis, Nikos, Verbeek, Martin, Volchkov, Viktor E., Wahl-Jensen, Victoria, Walsh, John A., Walker, Peter J., Wang, David, Wang, Lin-Fa, Wetzel, Thierry, Whitfield, Anna E., Xiè, Jiǎtāo, Yuen, Kwok-Yung, Zhang, Yong-Zhen, and Kuhn, Jens H.

Published
2016
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37. Erratum: Antonella Di Palma, Gary R. Bauchan, Jennifer J. Beard, Ronald Ochoa, Owen Seeman & Elliot W. Kitajima Ultrastructure and functional morphology of the mouthparts in Raoiella mites (Tetranychoidea: Tenuipalpidae): how they use the cheliceral stylets during feeding. Systematic & Applied Acarology 27(2): 347–367 (2022)

Author

DiPalma, Antonella, primary, Bauchan, Gary R., additional, Beard, Jennifer J., additional, Ochoa, Ronald, additional, Seeman, Owen, additional, and Kitajima, Elliot W., additional

Published
2022
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48. Changes in isoflavone profiles of soybean treated with gamma irradiation

Author

Aguiar, Claudio L., Baptista, Antonio S., Walder, Julio M.M., Tsai, Siu M., Carrao-Panizzi, Mercedes C., and Kitajima, Elliot W.

Subjects
Soybean meal -- Research, Irradiated foods -- Research, Isoflavones -- Research, Soybean -- Nutritional aspects, Food/cooking/nutrition
Published
2009

49. Molecular Epidemiology of Citrus Leprosis Virus C: A New Viral Lineage and Phylodynamic of the Main Viral Subpopulations in the Americas

Author

Chabi-Jesus, Camila, primary, Ramos-González, Pedro L., additional, Postclam-Barro, Matheus, additional, Fontenele, Rafaela Salgado, additional, Harakava, Ricardo, additional, Bassanezi, Renato B., additional, Moreira, Alecio S., additional, Kitajima, Elliot W., additional, Varsani, Arvind, additional, and Freitas-Astúa, Juliana, additional

Published
2021
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