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[水杨酸对盐渍条件下小麦抗氧化酶活性的影响]

[Effect of salicylic acid on the activity of antioxidant enzymes in wheat under conditions of salination].

作者信息

Sakhabutdinova A R, Fatkhutdinova D R, Shakirova F M

出版信息

Prikl Biokhim Mikrobiol. 2004 Sep-Oct;40(5):579-83.

Abstract

The effect of pretreatment with 0.05 mM salicylic acid (SA) on the activity of superoxide dismutase (SOD) and peroxidase in the roots of four-day-old seedlings of wheat (Triticum aestivum L.) was studied under conditions of salination. The level of the stress-induced accumulation of active oxygen species and, therefore, activities of SOD and peroxidase in seedlings pretreated with SA were significantly lower than in untreated seedlings, which indicates that these enzymes contribute to the protective effect of SA on plants under conditions of salination.

摘要

研究了在盐渍条件下,用0.05 mM水杨酸(SA)预处理对四天大小麦(Triticum aestivum L.)幼苗根系中超氧化物歧化酶(SOD)和过氧化物酶活性的影响。SA预处理的幼苗中活性氧的应激诱导积累水平以及SOD和过氧化物酶的活性显著低于未处理的幼苗,这表明这些酶有助于SA在盐渍条件下对植物的保护作用。

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