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Paper Information

Journal:   JOURNAL OF CROP BIOTECHNOLOGY   FALL 2011 , Volume 1 , Number 1; Page(s) 23 To 33.
 
Paper: 

INDUCIBLE PROTEIN PHOSPHATASE 2C IN RICE

 
 
Author(s):  SHOBBAR Z.S.*, BENNETT J.
 
* AGRICULTURAL BIOTECHNOLOGY RESEARCH INSTITUTE OF IRAN, KARAJ, IRAN
 
Abstract: 

Protein phosphatase 2C family consists of a group of evolutionary-conserved serine/threonine phosphatases which play a role in stress signal transduction. A subfamily of this protein phosphatases in Arabidopsis, including ABI1 and ABI2, are known as components of Abscisic acid signal transduction pathway. Their mutants are hypersensitive to ABA showing an increased expression during seed dormancy and adaptive responses to drought. Considering sensitivity of rice to abiotic stresses, particularly drought, identification of this gene family in rice and studying their role in response to stress would be beneficial. In this research, nine OsPP2C proteins (OsPP2C1 to OsPP2C9), carrying all the conserved motifs of this subfamily were found in rice, Among them, only OsPP2C5 transcript levels were significantly up-regulated by drought and abscisic acid which is down-regulated by re-watering or ABA removal. Drought stress induced OsPP2C5 gene expression in all the studied tissues. Based on the RNA in situ hybridization experiments, OsPP2C5 transcripts were observed in almost all cells and accumulated more in the nuclei in divisional zone of the drought stressed peduncles. However, the transcripts of this gene were accumulated at higher levels in the primary and secondary vascular bundles, phloem and xylem parenchyma, epidermal cells and sclerenchyma/ chlorenchyma precursors. Based on the achieved results, the OsPP2C5 gene seems to play a role in ABA/ drought stress signal transduction. It is expected that appropriate genetic manipulations of this gene family would increase rice tolerance to abiotic stresses.

 
Keyword(s): DROUGHT STRESS, RICE (ORYZA SATIVA), ABSCISIC ACID (ABA), PROTEIN PHOSPHATASE 2C (PP2C), GENE EXPRESSION
 
 
References: 
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Citations: 
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+ Click to Cite.
APA: Copy

SHOBBAR, Z., & BENNETT, J. (2011). INDUCIBLE PROTEIN PHOSPHATASE 2C IN RICE. JOURNAL OF CROP BIOTECHNOLOGY, 1(1), 23-33. https://www.sid.ir/en/journal/ViewPaper.aspx?id=276934



Vancouver: Copy

SHOBBAR Z.S., BENNETT J.. INDUCIBLE PROTEIN PHOSPHATASE 2C IN RICE. JOURNAL OF CROP BIOTECHNOLOGY. 2011 [cited 2021August02];1(1):23-33. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=276934



IEEE: Copy

SHOBBAR, Z., BENNETT, J., 2011. INDUCIBLE PROTEIN PHOSPHATASE 2C IN RICE. JOURNAL OF CROP BIOTECHNOLOGY, [online] 1(1), pp.23-33. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=276934.



 
 
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