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Strains of Xanthomonas campestris pv. vignicola (Xcv), isolated from cowpea leaves with blight or minute pustules and collected from various geographic areas, were selected on the basis of pathological and physiological features. All strains were analyzed for genotypic markers by two methods: rib...


Verdier, ValérieAssigbétsé, K.Khatri-Chhetri, G.Wydra, K.Ruldoph, KGeiger, JP[Molecular characterization of the incitant of cowpea bacterial blight and pustule, Xanthomonas campestris pv. vignicola]Molecular characterization of the incitant of cowpea bacterial blight and pustule, Xanthomonas campestris pv. vignicola

Background: Bacterial leaf blight causes significant yield losses in rice crops throughout Asia and Africa. Although both the Asian and African strains of the pathogen, Xanthomonas oryzae pv. oryzae (Xoo), induce similar symptoms, they are nevertheless genetically different, with the African stra...


Soto Suárez, M.Bernal, D.González, C.Szurek, BGuyot, RTohme, Joseph M.Verdier, Valérie[In planta gene expression analysis of Xanthomonas oryzae pathovar oryzae, African strain MAI1]In planta gene expression analysis of Xanthomonas oryzae pathovar oryzae, African strain MAI1

Cassava bacterial blight, caused by Xanthomonas axonopodis pv. manihotis (Xam) is a destructive disease occurring in most cassava growing-areas. Although Colombian isolates of Xam differ in DNA polymorphism and pathogenicity, no suitable host differentials have been identified to demonstrate phys...


Restrepo, S.Duque E., Myriam CristinaVerdier, Valérie[Characterization of pathotypes among isolates of Xanthomonas axonopodis pv. manihotis in Colombia]Characterization of pathotypes among isolates of Xanthomonas axonopodis pv. manihotis in Colombia

DNA polymorphism and variation in virulence of Xanthomonas axonopodis pv. manihotis (Xam), the causal agent of cassava bacterial blight, were studied within a pathogen population from Venezuela. Collections were made in several fields at different sites within an edaphoclimatic zone where cassava...


Verdier, ValérieRestrepo, S.Mosquera Cifuentes, Gloria MariaDuque E., Myriam CristinaGerstl, ALaberry Saavedra, Rafael Alberto[Genetic and pathogenic variation of Xanthomonas axonopodis pv. manihotis in Venezuela]Genetic and pathogenic variation of Xanthomonas axonopodis pv. manihotis in Venezuela

Xanthomonas oryzae pathovar oryzae (Xoo) and X. oryzae pv. oryzicola (Xoc) cause bacterial diseases in rice: leaf blight and leaf streak, respectively. Although both the Asian and the African strains of Xoo induce similar symptoms, they are genetically different, with the African Xoo strains bein...


Soto Suárez, M.González, C.Piegu, BTohme, Joseph M.Verdier, Valérie[Genomic comparison between Xanthomonas oryzae pv.oryzae and Xanthomonas oryzae pv.oryzicola,usingsuppression-subtractive hybridization]Genomic comparison between Xanthomonas oryzae pv.oryzae and Xanthomonas oryzae pv.oryzicola,usingsuppression-subtractive hybridization

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