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Expression of Rice CYP450-Like Gene (Os08g01480) in Arabidopsis Modulates Regulatory Network Leading to Heavy Metal and Other Abiotic Stress Tolerance.


ABSTRACT: Heavy metal (HM) toxicity has become a grave problem in the world since it leads to hazardous effects on living organisms. Transcriptomic/proteomic studies in plants have identified a large number of metal-responsive gene families. Of these, cytochrome-P450 (CYPs) family members are composed of enzymes carrying out detoxification of exogenous molecules. Here, we report a CYP-like protein encoded by Os08g01480 locus in rice that helps the plant to combat HM and other abiotic stresses. To functionally characterize CYP-like gene, cDNA and promoter were isolated from rice to develop Arabidopsis transgenic lines. Heterologous expression of Os08g01480 in Arabidopsis provided significant tolerance towards abiotic stresses. In silico analysis reveals that Os08g01480 might help plants to combat environmental stress via modulating auxin metabolism. Transgenic lines expressing reporter gene under control of Os08g01480 promoter demonstrated differential promoter activity in different tissues during environmental stresses. These studies indicated that differential expression of Os08g01480 might be modulating response of plants towards environmental stresses as well as in different developmental stages.

SUBMITTER: Rai A 

PROVIDER: S-EPMC4581635 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature

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Expression of Rice CYP450-Like Gene (Os08g01480) in Arabidopsis Modulates Regulatory Network Leading to Heavy Metal and Other Abiotic Stress Tolerance.

Rai Arti A   Singh Ruchi R   Shirke Pramod Arvind PA   Tripathi Rudra Deo RD   Trivedi Prabodh Kumar PK   Chakrabarty Debasis D  

PloS one 20150924 9


Heavy metal (HM) toxicity has become a grave problem in the world since it leads to hazardous effects on living organisms. Transcriptomic/proteomic studies in plants have identified a large number of metal-responsive gene families. Of these, cytochrome-P450 (CYPs) family members are composed of enzymes carrying out detoxification of exogenous molecules. Here, we report a CYP-like protein encoded by Os08g01480 locus in rice that helps the plant to combat HM and other abiotic stresses. To function  ...[more]

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