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Interaction between citrus leprosis C cilevirus and clerodendrum chlorotic spot dichorhavirus with their vector Brevipalpus yothersi and the possible implications in the management of cile- and dichorhaviruses

Grant number: 18/12252-8
Support Opportunities:Scholarships in Brazil - Post-Doctoral
Effective date (Start): January 01, 2019
Effective date (End): March 31, 2022
Field of knowledge:Agronomical Sciences - Agronomy - Plant Health
Principal Investigator:Juliana de Freitas Astúa
Grantee:Aline Daniele Tassi
Host Institution: Instituto Biológico (IB). Agência Paulista de Tecnologia dos Agronegócios (APTA). Secretaria de Agricultura e Abastecimento (São Paulo - Estado). Campinas , SP, Brazil
Associated research grant:14/08458-9 - Plant viruses transmitted by Brevipalpus mites (Acari: Tenuipalpidae) - BTV: survey, identification, molecular characterization, phylogeny; virus/vector/host relationhip; biology, taxonomy and management of the mite, AP.TEM


The knowledge about viruses transmitted by tenuipalpid mites of the genus Brevipalpus (BTV) have shown significant advances in recent years. The BTV have received attention due to their economic importance and because they constitute a peculiar pathosystem, remaining in the localized lesions induced in their hosts, and not invading their hosts systemically. The taxonomy of Brevipalpus mites has undergone recent changes. Until 2015, only three species were considered as vectors of plant viruses, but currently B. obovatus, B. californicus, B. yothersi, B. papayensis, B. phoenicis sensu stricto, and a possible new species Brevipalpus aff. yothersi are confirmed vectors of at least one BTV. The possibility that other species also transmit viruses cannot be ruled out, as most plants are infested by a mix of Brevipalpus species. This situation increases the complexity in determining which species are involved in the transmission of BTV and virus vector relationships need to be better studied. Citrus leprosis virus (CiLV-C), a cilevirus, is the most economically important virus in the group, being widely distributed in Latin America and genetically subdivided into two strains: SJP and CRD. Although the transmission parameters of CiLV-C are known, there are no studies on the possible differences in the transmission efficiency by the different strains and there are also controversies about the replication of these viruses in their vectors. The present project aims to contribute to the determination of possible differences in the efficiency of viral transmission between different strains of CiLV-C, to study the main transmission parameters of the dichorhavirus clerodendrum chlorotic spot virus (ClCSV), and to evaluate, by different techniques, whether or not CiLV-C replicates in its main vector, comparing the results with those obtained for ClCSV, which induces cytopathological effects indicating its replication within the same B. yothersi vector.

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Scientific publications (11)
(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)
DE GIOSA, MARCELLO; TASSI, ALINE DANIELE; MCDONALD, ERIC M.; OCHOA, RON. irst record of Cenopalpus officinalis Papaioannou-Souliotis (Tenuipalpidae) for Israel, Italy and Mexico and a redescriptio. ACAROLOGIA, v. 61, n. 4, . (18/12252-8)
FLECHTMANN, CARLOS H. W.; TASSI, ALINE D.. An Aceria species (Prostigmata, Eriophyidae) from Amaranthus in Brazil. PERSIAN JOURNAL OF ACAROLOGY, v. 9, n. 4, p. 311+, . (18/12252-8, 14/08458-9)
DI PALMA, ANTONELLA; TASSI, ALINE D.; KITAJIMA, ELLIOT W.. On some morphological and ultrastructural features of the insemination system in five species of the genusBrevipalpus(Acari: Tenuipalpidae). Experimental and Applied Acarology, v. 81, n. 4, . (14/08458-9, 18/13241-0, 18/12252-8)
DE LILLO, ENRICO; FREITAS-ASTUA, JULIANA; KITAJIMA, ELLIOT WATANABE; RAMOS-GONZALEZ, PEDRO LUIS; SIMONI, SAURO; TASSI, ALINE DANIELE; VALENZANO, DOMENICO. Phytophagous mites transmitting plant viruses: update and perspectives. ENTOMOLOGIA GENERALIS, v. 41, n. 5, p. 439-462, . (14/08458-9, 17/50222-0, 18/12252-8, 19/25078-9)
TASSI, ALINE DANIELE; RAMOS-GONZALEZ, PEDRO LUIS; SINICO, THAIS ELISE; KITAJIMA, ELLIOT WATANABE; FREITAS-ASTUA, JULIANA. Circulative Transmission of Cileviruses in Brevipalpus Mites May Involve the Paracellular Movement of Virions. FRONTIERS IN MICROBIOLOGY, v. 13, p. 11-pg., . (17/50334-3, 19/25078-9, 18/12252-8, 17/50222-0)
NASCIMENTO, RENATA S.; SOUZA, KAELEM S.; MELO, ELISANGELA A. S. F.; TASSI, ALINE D.; CASTRO, ELIZEU B.; NAVIA, DENISE; DE MENDONCA, RENATA S.; OCHOA, RONALD; OLIVEIRA, ANIBAL R.. Flat mites (Tenuipalpidae) from Bahia state, Northeastern Brazil- a checklist including new records and an illustrated key to species. ACAROLOGIA, v. N/A, p. 19-pg., . (19/25078-9, 18/12252-8)
NASCIMENTO, RENATA S.; CASTRO, ELIZEU B.; TASSI, ALINE D.; OCHOA, RONALD; OLIVEIRA, ANIBAL R.. First record of Tenuipalpuspanici De Leon (Acari: Tenuipalpidae) in South America, with new morphological data and a discussion on the ontogeny of setae. SYSTEMATIC AND APPLIED ACAROLOGY, v. 27, n. 11, p. 17-pg., . (18/12252-8)
RAMOS-GONZALEZ, PEDRO LUIS; ARENA, GABRIELLA DIAS; TASSI, ALINE DANIELE; CHABI-JESUS, CAMILA; KITAJIMA, ELLIOT WATANABE; FREITAS-ASTUA, JULIANA. Kitaviruses: A Window to Atypical Plant Viruses Causing Nonsystemic Diseases. ANNUAL REVIEW OF PHYTOPATHOLOGY, v. 61, p. 22-pg., . (17/50222-0, 20/15413-2, 19/02137-0, 18/12252-8, 17/50334-3, 19/25078-9)
TASSI, ALINE D.; DUARTE, ADRIANE F.; DA CUNHA, UEMERSON S.; OCHOA, RONALD. First record of family Linotetranidae in Brazil, with a redescription of Linotetranus achrous Baker and Pritchard and description of a new species. INTERNATIONAL JOURNAL OF ACAROLOGY, v. 46, n. 8, p. 579-588, . (14/08458-9, 18/12252-8, 17/50222-0)
CHABI-JESUS, CAMILA; RAMOS-GONZALEZ, PEDRO LUIS; TASSI, ALINE DANIELE; ROSSETTO PEREIRA, LAURA; BASTIANEL, MARINES; LAU, DOUGLAS; CANALE, MARIA CRISTINA; HARAKAVA, RICARDO; NOVELLI, VALDENICE MOREIRA; KITAJIMA, ELLIOT WATANABE; et al. Citrus Bright Spot Virus: A New Dichorhavirus, Transmitted by Brevipalpus azores, Causing Citrus Leprosis Disease in Brazil. PLANTS-BASEL, v. 12, n. 6, p. 15-pg., . (17/50222-0, 20/15413-2, 19/02137-0, 18/12252-8, 17/50334-3, 19/25078-9)

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