期刊论文

AtGSTZ1 is involved in salt stress response in Arabidopsis thaliana

中文

植物生理与分子生物学学报

1671-3877

2021

57

02

493-500

10.13592/j.cnki.ppj.2020.0279

湖南省教育厅项目（18A100）； 农业农村部长江中下游籼稻遗传育种重点实验室（湖南省水稻研究所）开放课题（2018KLMA03）；

本校为第一机构

酪氨酸降解途径在动物生长发育中发挥着重要作用。然而,该途径在植物中的功能还需进一步鉴定。马来酰乙酰乙酸异构酶是酪氨酸降解途径中的关键酶。ζ类谷胱甘肽S-转移酶（GSTZ）具有马来酰乙酰乙酸异构酶活性。为探讨酪氨酸降解途径在植物响应盐胁迫中的作用,本研究分析了拟南芥（Arabidopsis thaliana） AtGSTZ1基因在盐胁迫下的表达特征以及AtGSTZ1过表达植株对盐胁迫的耐受性,发现:AtGSTZ1表达受盐胁迫诱导;在盐胁迫下, AtGSTZ1过表达植株具有较高的种子萌发率和子叶绿化率;此外,盐胁迫下过表达植株积累了较少的H2O2,且过氧化氢酶基因CAT1表达量和过氧化氢酶活性都高于野生型。实验结果表明,...

The tyrosine degradation pathway is crucial for animals, but its role in plants is not well-characterized. Maleylacetoacetate isomerase is a key enzyme in the pathway. The ζ class glutathione S-transferase (GSTZ) has been shown to have activity of maleylacetoacetate isomerase. To understand the function of the tyrosine degradation pathway in plant response to salt stress, AtGSTZ1 expression in Arabidopsis thaliana was analyzed under salt stress. AtGSTZ1 expression was induced by salt stress. AtGSTZ1-overexpression plants were subjected to salt...