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Mitogen-activated protein kinase and method of use to enhance biotic and abiotic stress tolerance in plants
Mitogen-activated protein kinase and method of use to enhance biotic and abiotic stress tolerance in plants
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机译:丝裂原激活的蛋白激酶及其用于增强植物对生物和非生物胁迫的耐受性的方法
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摘要
The present invention relates to the mitogen-activated protein kinase called MAPK5. The rice MAPK5 gene, its protein and kinase activity were induced by abscisic acid, pathogen infection, wounding, drought, salt and cold temperature. However, suppression of MAPK5 expression and kinase activity in dsRNAi transgenic plants resulted in constitutive expression of pathogenesis-related genes such as PR-1 and PR-10 but enhanced resistance to fungal and bacterial pathogens. In contrast, overexpressed transgenic lines exhibited elevated MAPK5 kinase activity and increased tolerance to drought, salt and cold stresses. This invention provides methods for increasing tolerance to abiotic and biotic stress in plant using MAPK5.
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