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Detection transposable elements in Botrytis cinerea in latent infection stage from symptomless apples
Objective: To detect Botrytis cinerea (B. cinerea) latent infections on apples before storage, which is essential for effective control strategies in the fruit postharvest industry. Methods: In the present study, a polymerase chain reaction detection method, based on primers designed on B. cinerea transposable elements (boty and flipper) and intergenic spacer region as internal control, were utilized to reveal the presence of symptomless infections on apple fruits. This molecular method proved to be highly specific and sensitive in detecting latent infections. It revealed the presence of the pathogen in 83% of the samples from infected apples with 104 conidia/ mL, whereas those infected with 106 conidia/mL detected 94% as compared to the traditional method that revealed the pathogen in 40% and 66% of the samples inoculated with 104 and 106 conidia/mL respectively. Furthermore, the method characterized B. cinerea as subpopulation transposa-type by the presence of the transposable elements boty and flipper Results: The results obtained from DNA quantification method were compared with enzymelinked immunosorbent assay and these studies showed good correlation. Therefore our method has important advantages compared with others detection methods for B. cinerea, because the proposed methodology allowed distinguishes between its two subpopulations (vacuma and transposa) and this would allow establish possible appropriate control strategies. Conclusions: Finally, the method can be an interesting alternative for its possible application in the phytosanitary programs of the fruit industry worldwide. ; EEA Mendoza ; Fil: Fernández, Jorge Gastón. Universidad Nacional de San Luis. Facultad de Quimica, Bioquimica y Farmacia. Departamento de Quimica. Area de Quimica Analitica; Argentina ; Fil: Fernández Baldo, Martín Alejandro. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Luis. Instituto de Química de San Luis; Argentina. Universidad Nacional de San Luis. Departamento de Química. Instituto de Química de San Luis; Argentina ; Fil: Muñoz, Claudio Javier. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Mendoza; Argentina ; Fil: Salinas, Eloy. Universidad Nacional de San Luis. Facultad de Quimica, Bioquimica y Farmacia. Departamento de Quimica. Area de Quimica Analitica; Argentina ; Fil: Raba, Julio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Luis. Instituto de Química de San Luis; Argentina. Universidad Nacional de San Luis. Departamento de Química. Instituto de Química de San Luis; Argentina ; Fil: Sanz Ferramola, Maria Isabel. Universidad Nacional de San Luis. Facultad de Quimica, Bioquimica y Farmacia. Departamento de Quimica. Area de Quimica Analitica; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Luis. Instituto de Química de San Luis; Argentina. Universidad Nacional de San Luis. Departamento de Química. Instituto de Química de San Luis; Argentina
Detection transposable elements in Botrytis cinerea in latent infection stage from symptomless apples
Objective: To detect Botrytis cinerea (B. cinerea) latent infections on apples before storage, which is essential for effective control strategies in the fruit postharvest industry. Methods: In the present study, a polymerase chain reaction detection method, based on primers designed on B. cinerea transposable elements (boty and flipper) and intergenic spacer region as internal control, were utilized to reveal the presence of symptomless infections on apple fruits. This molecular method proved to be highly specific and sensitive in detecting latent infections. It revealed the presence of the pathogen in 83% of the samples from infected apples with 104 conidia/ mL, whereas those infected with 106 conidia/mL detected 94% as compared to the traditional method that revealed the pathogen in 40% and 66% of the samples inoculated with 104 and 106 conidia/mL respectively. Furthermore, the method characterized B. cinerea as subpopulation transposa-type by the presence of the transposable elements boty and flipper Results: The results obtained from DNA quantification method were compared with enzymelinked immunosorbent assay and these studies showed good correlation. Therefore our method has important advantages compared with others detection methods for B. cinerea, because the proposed methodology allowed distinguishes between its two subpopulations (vacuma and transposa) and this would allow establish possible appropriate control strategies. Conclusions: Finally, the method can be an interesting alternative for its possible application in the phytosanitary programs of the fruit industry worldwide. ; EEA Mendoza ; Fil: Fernández, Jorge Gastón. Universidad Nacional de San Luis. Facultad de Quimica, Bioquimica y Farmacia. Departamento de Quimica. Area de Quimica Analitica; Argentina ; Fil: Fernández Baldo, Martín Alejandro. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Luis. Instituto de Química de San Luis; Argentina. Universidad Nacional de San Luis. Departamento de Química. Instituto de Química de San Luis; Argentina ; Fil: Muñoz, Claudio Javier. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Mendoza; Argentina ; Fil: Salinas, Eloy. Universidad Nacional de San Luis. Facultad de Quimica, Bioquimica y Farmacia. Departamento de Quimica. Area de Quimica Analitica; Argentina ; Fil: Raba, Julio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Luis. Instituto de Química de San Luis; Argentina. Universidad Nacional de San Luis. Departamento de Química. Instituto de Química de San Luis; Argentina ; Fil: Sanz Ferramola, Maria Isabel. Universidad Nacional de San Luis. Facultad de Quimica, Bioquimica y Farmacia. Departamento de Quimica. Area de Quimica Analitica; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Luis. Instituto de Química de San Luis; Argentina. Universidad Nacional de San Luis. Departamento de Química. Instituto de Química de San Luis; Argentina
Detection transposable elements in Botrytis cinerea in latent infection stage from symptomless apples
Fernandez, Jorge Gastón (author) / Fernández Baldo, Martín Alejandro (author) / Muñoz, Claudio Javier (author) / Salinas, Eloy (author) / Raba, Julio (author) / Sanz Ferramola, Maria Isabel (author)
2014-01-01
Journal of Coastal Life Medicine 2 (2) : 125-131 (2014)
Article (Journal)
Electronic Resource
English
DDC:
001
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