Molecular Cloning and Characterization of Galactinol Synthases in Camellia sinensis with Different Responses to Biotic and Abiotic Stressors

被引：37

作者：

Zhou, Yu ^{[1
]}

Liu, Yan ^{[1
]}

Wang, Shuangshuang ^{[1
]}

Shi, Cong ^{[1
]}

Zhang, Ran ^{[1
]}

Rao, Jia ^{[1
]}

Wang, Xu ^{[1
]}

Gu, Xungang ^{[1
]}

Wang, Yunsheng ^{[1
]}

Li, Daxiang ^{[1
]}

Wei, Chaoling ^{[1
]}

机构：

[1] Anhui Agr Univ, State Key Lab Tea Plant Biol & Utilizat, 130 Changjiang Rd West, Hefei 230036, Anhui, Peoples R China

来源：

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY | 2017年 / 65卷 / 13期

基金：

安徽省自然科学基金; 中国国家自然科学基金;

关键词：

Camellia sinensis; galactinol synthase; biofunctional investigation; gene regulation; abiotic stress; biotic stress; RAFFINOSE FAMILY OLIGOSACCHARIDES; DESICCATION TOLERANCE; HYDROPEROXIDE LYASE; GENE; EXPRESSION; LEAVES; CYCLITOLS; ENZYME; SEEDS;

D O I：

10.1021/acs.jafc.7b00377

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

Galactinol synthase (GoIS) is a key biocatalyst for the synthesis of raffinose family oligosaccharides (RFOs). RFOs, accumulation plays a critical role in abiotic stress adaptation, but the relationship between expression of GoIS genes and biotic stress adaptation remains unclear. In this study, two CsGolS genes were found to be highly up-regulated in a transcriptome library of Ectropic oblique-attacked,Camellia sinensis. Three complete CsGolS genes were then cloned and characterized. Gene transcriptional analyses undet biotic and, abiotic stress conditions indicated that the CsGolS1 gene was sensitive to water deficit, low temperature,. and abscisic acid, while CsGolS2 and: CsGolS3 genes were sensitive to pest attack and phytohorrriones. The gene regulation and RFOs determination results indicated that CsGolS1 was primarily related to abiotic stress and CsGolS2 and CsGolS3 were related to biotic stress. GolS-mediated biotic stress adaptations have not been studied in depth, so further analysis of this new biological function is required.

引用

页码：2751 / 2759

页数：9

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