上海市农业科学院机构知识库

A novel gene OsAHL1 improves both drought avoidance and drought tolerance in rice

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文献类型：外文期刊

作者： Zhou, Liguo ¹ ; Liu, Zaochang ¹ ; Liu, Yunhua ¹ ; Kong, Deyan ¹ ; Li, Tianfei ¹ ; Yu, Shunwu ¹ ; Mei, Hanwei ¹ ; Xu, Xiao ¹ ;

作者机构： 1.Shanghai Acad Agr Sci, Shanghai Agrobiol Gene Ctr, Shanghai 201106, Peoples R China

2.Huazhong Agr Univ, Coll Plant Sci, Natl Key Lab Crop Genet Improvement, Wuhan 430070, Peo

期刊名称：SCIENTIFIC REPORTS （影响因子：4.379；五年影响因子：5.133 ）

ISSN： 2045-2322

年卷期： 2016 年 6 卷

页码：

收录情况： SCI

摘要： A novel gene, OsAHL1, containing an AT-hook motif and a PPC domain was identified through genome-wide profiling and analysis of mRNAs by comparing the microarray of drought-challenged versus normally watered rice. The results indicated OsAHL1 has both drought avoidance and drought tolerance that could greatly improve drought resistance of the rice plant. Overexpression of OsAHL1 enhanced multiple stress tolerances in rice plants during both seedling and panicle development stages. Functional studies revealed that OsAHL1 regulates root development under drought condition to enhance drought avoidance, participates in oxidative stress response and also regulates the content of chlorophyll in rice leaves. OsAHL1 specifically binds to the A/T rich sequence region of promoters or introns, and hence directly regulates the expression of many stress related downstream genes.

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