Artículo
Characterization of a variant of Xanthomonas citri subsp. citri that triggers a host-specific defense response
Chiesa, Maria Amalia
; Siciliano, María Florencia
; Ornella, Leonardo Alfredo
; Roeschlin, Roxana Andrea
; Favaro, María Alejandra
; Pino Delgado, Natalia Soledad; Sendín, Lorena Noelia
; Orce, Ingrid Georgina
; Ploper, Leonardo Daniel
; Vojnov, Adrián Alberto
; Vacas, José Gadea; Filippone, María Paula
; Castagnaro, Atilio Pedro
; Marano, María Rosa
Fecha de publicación:
06/2013
Editorial:
American Phytopathological Society
Revista:
Phytopathology
ISSN:
0031-949X
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
Citrus is an economically important fruit crop that is severely afflicted by Asiatic citrus bacterial canker (CBC), a disease caused by the phytopathogen Xanthomonas citri subsp. citri (X. citri). To gain insight into the molecular epidemiology of CBC, 42 Xanthomonas isolates were collected from a range of Citrus spp. across 17 different orchards in Tucumán, Argentina and subjected to molecular, biochemical, and pathogenicity tests. Analysis of genome-specific X. citri markers and DNA polymorphisms based on repetitive elements-based polymerase chain reaction showed that all 42 isolates belonged to X. citri. Interestingly, pathogenicity tests showed that one isolate, which shares >90% genetic similarity to the reference strain X. citri T, has host range specificity. This new variant of X. citri subsp. citri, named X. citri AT, which is deficient in xanthan production, induces an atypical, noncankerous chlorotic phenotype in Citrus limon and C. paradisi and weak cankerous lesions in C. aurantifolia and C. clementina leaves. In C. limon, suppression of canker development is concomitant with an oxidative burst; xanthan is not implicated in the phenotype induced by this interaction, suggesting that other bacterial factors would be involved in triggering the defense response.
Archivos asociados
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Identificadores
Colecciones
Articulos(CCT - NOA SUR)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - NOA SUR
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - NOA SUR
Articulos(CCT - ROSARIO)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - ROSARIO
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - ROSARIO
Articulos(CIFASIS)
Articulos de CENTRO INT.FRANCO ARG.D/CS D/L/INF.Y SISTEM.
Articulos de CENTRO INT.FRANCO ARG.D/CS D/L/INF.Y SISTEM.
Articulos(IBR)
Articulos de INST.DE BIOLOGIA MOLECULAR Y CELULAR DE ROSARIO
Articulos de INST.DE BIOLOGIA MOLECULAR Y CELULAR DE ROSARIO
Articulos(ICT - MILSTEIN)
Articulos de INST.DE CS. Y TECNOLOGIA "DR. CESAR MILSTEIN"
Articulos de INST.DE CS. Y TECNOLOGIA "DR. CESAR MILSTEIN"
Citación
Chiesa, Maria Amalia; Siciliano, María Florencia; Ornella, Leonardo Alfredo; Roeschlin, Roxana Andrea; Favaro, María Alejandra; et al.; Characterization of a variant of Xanthomonas citri subsp. citri that triggers a host-specific defense response; American Phytopathological Society; Phytopathology; 103; 6; 6-2013; 555-564
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