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Characterization and mapping of a spotted leaf mutant in rice (Oryza sativa) Genet. Mol. Biol.
Xu,Xue; Zhang,Lili; Liu,Binmei; Ye,Yafeng; Wu,Yuejin.
Spotted leaf mutant belongs to a class of mutants that can produce necrotic lesions spontaneously in plants without any attack by pathogens. These mutants have no beneficial effect on plant productivity but provide a unique opportunity to study programmed cell death in plant defense responses. A novel rice spotted leaf mutant (spl30) was isolated through low-energy heavy ion irradiation. Lesion expression was sensitive to light and humidity. The spl30 mutant caused a decrease in chlorophyll and soluble protein content, with marked accumulation of reactive oxygen species (ROS) around the lesions. In addition, the spl30 mutant significantly enhanced resistance to rice bacterial blight (X. oryzae pv. oryzae) from China (C1-C7). The use of SSR markers showed...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Gene mapping; Reactive oxygen species; Rice (Orzya sativa); Rice bacterial blight; Spotted leaf mutant.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572014000300013
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