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Transgenic resistance confers effective field level control of bacterial spot disease in tomato

Horvath, Diana M ; Stall, Robert E ; Jones, Jeffrey B ; Pauly, Michael H ; Vallad, Gary E ; Dahlbeck, Doug ; Staskawicz, Brian J ; Scott, John W Park, Sunghun

PloS one, 2012-08, Vol.7 (8), p.e42036-e42036 [Periódico revisado por pares]

United States: Public Library of Science

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Transgenic resistance confers effective field level control of bacterial spot disease in tomato
Autor: Horvath, Diana M ; Stall, Robert E ; Jones, Jeffrey B ; Pauly, Michael H ; Vallad, Gary E ; Dahlbeck, Doug ; Staskawicz, Brian J ; Scott, John W
Park, Sunghun
Assuntos: Agriculture ; Bacterial infections ; Bactericides ; Biology ; Biotechnology ; Breeding ; Bs2 gene ; Capsicum - genetics ; Copper ; Crop diseases ; Disease control ; Disease Resistance ; Disease susceptibility ; Environmental impact ; Food ; Genes ; Genetic engineering ; Genetically engineered foods ; Genomics ; Genotypes ; Mutation ; Pathogens ; Pesticides ; Plant Diseases ; Plant genetics ; Plant pathology ; Plant Proteins - biosynthesis ; Plant Proteins - genetics ; Plant Proteins - immunology ; Plants, Genetically Modified - genetics ; Plants, Genetically Modified - immunology ; Plants, Genetically Modified - metabolism ; Plants, Genetically Modified - microbiology ; Solanum lycopersicum ; Solanum lycopersicum - genetics ; Solanum lycopersicum - immunology ; Solanum lycopersicum - metabolism ; Solanum lycopersicum - microbiology ; Spot ; Tomatoes ; Transgenic plants ; Weather ; Weather conditions ; Xanthomonas ; Xanthomonas - growth & development ; Xanthomonas campestris
É parte de: PloS one, 2012-08, Vol.7 (8), p.e42036-e42036
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
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content type line 23
Competing Interests: The Two Blades Foundation holds an exclusive license to the Bs2 gene and has contributed funds in support of field trial costs. This does not alter the authors’ adherence to all the PLoS ONE policies on sharing data and materials.
Descrição: We investigated whether lines of transgenic tomato (Solanum lycopersicum) expressing the Bs2 resistance gene from pepper, a close relative of tomato, demonstrate improved resistance to bacterial spot disease caused by Xanthomonas species in replicated multi-year field trials under commercial type growing conditions. We report that the presence of the Bs2 gene in the highly susceptible VF 36 background reduced disease to extremely low levels, and VF 36-Bs2 plants displayed the lowest disease severity amongst all tomato varieties tested, including commercial and breeding lines with host resistance. Yields of marketable fruit from transgenic lines were typically 2.5 times that of the non-transformed parent line, but varied between 1.5 and 11.5 fold depending on weather conditions and disease pressure. Trials were conducted without application of any copper-based bactericides, presently in wide use despite negative impacts on the environment. This is the first demonstration of effective field resistance in a transgenic genotype based on a plant R gene and provides an opportunity for control of a devastating pathogen while eliminating ineffective copper pesticides.
Editor: United States: Public Library of Science
Idioma: Inglês

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Transgenic resistance confers effective field level control of bacterial spot disease in tomato

Horvath, Diana M ; Stall, Robert E ; Jones, Jeffrey B ; Pauly, Michael H ; Vallad, Gary E ; Dahlbeck, Doug ; Staskawicz, Brian J ; Scott, John W Park, Sunghun

United States: Public Library of Science

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