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Understanding the molecular biology and ecology of plant-virus-vector relationships: towards sustainable, integrated virus management strategies

Grant number: 17/50222-0
Support type:Regular Research Grants
Duration: June 01, 2018 - May 31, 2021
Field of knowledge:Agronomical Sciences - Agronomy
Cooperation agreement: NWO
Principal Investigator:Juliana de Freitas Astúa
Grantee:Juliana de Freitas Astúa
Principal investigator abroad: Richard Jozef Maria Kormelink
Institution abroad: Wageningen University, Netherlands
Home Institution: Instituto Biológico (IB). Agência Paulista de Tecnologia dos Agronegócios (APTA). Secretaria de Agricultura e Abastecimento (São Paulo - Estado). São Paulo , SP, Brazil


Pathogens present one of the major constraints on production yields and with nearly 50% of all newly emerging diseases caused by viruses, stresses the importance for continuing development of integrated virus management (IVM) strategies. The 1) emergence (2016) of new recombinant geminivirus in cultivations of tomato bearing the Ty-1 resistance gene; 2) observation (2014) that mixed infections of TYLCV and CMV compromises Ty-1- mediated resistance against geminiviruses; 3) identification (unpublished) of TSWV isolates able to overcome Tsw resistance gene in pepper; 4) new Bemisia tabaci biotype (unpublished) establishing on pepper and able to more efficiently transmit certain geminiviruses; 5) new dichorhavirus species (2017) and isolates of citrus leprosis cilevirus C (2016) causing leprosis disease in Brazil; 6) reclassification of genus Brevipalpus into several new vector species (2015), are just a few examples that underscore the importance of continuing multidiscipline research efforts to study and unravel the molecular biology and ecology of plant-virus-vector relationships. This project aims to strengthen joint efforts of a Dutch-Brazilian virology research consortium to study a small set of very important plant viruses to the Dutch and/or Brazilian Agri-Food sector in different vegetable and fruit crops and transmitted by various arthropods. This project builds on an earlier NWO-CPNq supported project and expands towards the establishment of a larger collaborating research network that will not only speed up the implementation of newly gained knowledge into sustainable IVM approaches for the viruses under investigation but is likely to be of use to other virus pathosystems as well, and meantime presents an international research platform to maintain plant virology expertise needed for exchange and training plant virology students. (AU)

Articles published in Agência FAPESP about the research grant
New level of collaboration between São Paulo State and the Netherlands 

Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
FREITAS-ASTUA, JULIANA; RAMOS-GONZALEZ, PEDRO LUIS; ARENA, GABRIELLA DIAS; TASSI, ALINE DANIELE; KITAJIMA, ELLIOT WATANABE. Brevipalpus-transmitted viruses: parallelism beyond a common vector or convergent evolution of distantly related pathogens?. CURRENT OPINION IN VIROLOGY, v. 33, p. 66-73, DEC 2018. Web of Science Citations: 2.
ARENA, GABRIELLA D.; RAMOS-GONZALEZ, PEDRO L.; ROGERIO, LUANA A.; RIBEIRO-ALVES, MARCELO; CASTEEL, CLARE L.; FREITAS-ASTUA, JULIANA; MACHADO, MARCOS A. Making a Better Home: Modulation of Plant Defensive Response by Brevipalpus Mites. FRONTIERS IN PLANT SCIENCE, v. 9, AUG 15 2018. Web of Science Citations: 1.

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