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SCOPUS 학술저널

애기장대 H+-pyrophosphatase 발현 형질전환 배추의 건조스트레스에 대한 생리적 반응

Physiological responses to drought stress of transgenic Chinese cabbage expressing Arabidopsis H+-pyrophosphatase

Plant tolerance to drought is a beneficial trait for stabilizing crop productivity under water deficits. Here we report that genetically engineered Chinese cabbage expressing Arabidopsis H+-pyrophosphatase (AVP1) shows enhanced physiological parameters related to drought tolerance. In comparison with wild type plants under soil water deficit stress created by cessation of irrigation, soil water potential in pot with AVP1-expressing plants was more rapidly decreased that might lead to increased relative water content in leaves, while both genotypes had indistinguishable wilting phenotypes. Transgenic plants subjected to drought treatment also exhibited higher photosystem II quantum yield in addition to lower electrolyte leakage and H2O2-3,3’-diaminobenzidine content when compared to wild type plants.

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