Os10g0177200

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Annotated Information

Function

Rice gene Oryza sativa Drought Stress Response-1 (OsDSR-1) was one of the genes identified to be responsive to drought stress in the panicle of rice at booting and heading stages by both microarray and quantitative real-time PCR analyses. OsDSR-1 encodes a putative calcium-binding protein, and its overexpression in Arabidopsis rendered transgenic plants to produce much shorter lateral roots (LRs) than wild-type (WT) plants in the medium supplemented with abscisic acid (ABA), suggesting that OsDSR-1 may act as a positive regulator during the process of ABA inhibition of LR development.[1]OsDSR-1 may function as a calcium sensor of the signal transduction pathway controlling the LR development under high-potassium conditions.[1]Thus, the OsDSR-1 protein may participate in signal transduction, regulating the LR development of plants in response to ABA and potassium.[1]

Expression

The data from both microarray and qRT-PCR analysesshowed that the expression levels of OsDSR-1 were up-regulated by 60- and 5-fold in the panicle of rice at booting and heading stages, respectively,under drought stress condition relative to panicles under normal growth conditions.[1]Overexpression of OsDSR-1 in Arabidopsis enhanced the inhibition effect of ABA on the LR development and promoted the LR development under high-potassium conditions.[1]

Evolution

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Labs working on this gene

Institute of Subtropical Agriculture,Chinese Academy of Sciences,Changsha, Hunan 410125, People’s Republic of China

Laboratory for Agro-ecological Process in Subtropical Region,Institute of Subtropical Agriculture, CAS,Changsha, Hunan 410125,

References

[1]Xu Ming Yin; Pedro S. C. F. Rocha; Man Ling Wang; Yu Xin Zhu; Luo Ye Li; Shu Feng Song; Xinjie Xia.Rice Gene OsDSR-1 Promotes Lateral Root Development in Arabidopsis Under High-Potassium Conditions,Journal of Plant Biology,2011,54(3):180-189

Structured Information