2006
DOI: 10.1590/s0100-41582006000300002
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Hipersensibilidade e necrose sistêmica em Nicotiana benthamiana transformada com o gene de resistência Sw-5 de tomateiro

Abstract: O gene Sw-5 do tomateiro confere resistência a várias espécies de tospovírus e codifica uma proteína contendo domínios de ligação a nucleotídeos e repetições ricas em leucina. Tomateiros com Sw-5 exibem reações necróticas nas folhas inoculadas com tospovírus. Estas reações e a estrutura da proteína Sw-5 indicam que a resistência ocorre por meio do reconhecimento do patógeno e desencadeamento da resposta de hipersensibilidade. A capacidade de Sw-5 de conferir resistência a tospovírus em tabaco selvagem (Nicotia… Show more

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Cited by 1 publication
(2 citation statements)
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References 30 publications
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“…Some Stevens cultivar plants and other resistant lines showed necrosis restrict to local lesions on inoculated leaflets, as a characteristic symptom of the genotypes with the Sw-5 allele (Lau et al, 2006). .…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Some Stevens cultivar plants and other resistant lines showed necrosis restrict to local lesions on inoculated leaflets, as a characteristic symptom of the genotypes with the Sw-5 allele (Lau et al, 2006). .…”
Section: Resultsmentioning
confidence: 99%
“…In Brazil, Tomato spotted wilt virus -TSWV, Tomato chlorotic spot virus -TCSV, Crysanthemum stem necrosis virus -CSNV -and Groundnut ringspot virus -GRSV are the most important viruses caused by Tospovirus in tomato crop (Lima et al, 2002;Ferraz et al, 2004;Lau et al, 2006). The genetic resistance to the TSWV in tomato plants was reported in several accesses of the Lycopersicon genus (Rosello et al, 1998).…”
Section: Introductionmentioning
confidence: 99%