Commun Integr Biol. 2013 Sep 01;6(5):e25260. doi: 10.4161/cib.25260. Epub 2013 Jun 21.
Multiple abiotic stress responsive rice cyclophilin: (OsCYP-25) mediates a wide range of cellular responses.
Communicative & integrative biology
Dipesh Kumar Trivedi, Mohammad Wahid Ansari, Narendra Tuteja
Affiliations
Affiliations
- Plant Molecular Biology Group; International Centre for Genetic Engineering and Biotechnology; Aruna Asaf Ali Marg, New Delhi, India.
PMID: 24265852
PMCID: PMC3829931 DOI: 10.4161/cib.25260
Abstract
Cyclophilins (CYP), a member of immunophillin group of proteins, are more often conserved in all genera including plants. Here, we report on the identification of a new cyclophilin gene OsCYP-25 (LOC_Os09 g39780) from rice which found to be upregulated in response to various abiotic stresses viz., salinity, cold, heat and drought. It has an ORF of 540 bp, encoding a protein of 179 amino acids, consisting of PPIase domain, which is highly conserved. The OsCYP-25 promoter analysis revealed that different cis-regulatory elements (e.g., MYBCORE, MYC, CBFHV, GT1GMSCAM4, DRECRTCOREAT, CCAATBOX1, WRKY71OS and WBOXATNPR1) are involved to mediate OsCYP-25 response under stress. We have also predicted interacting partners by STRING software. In interactome, protein partners includes WD domain containing protein, the 60S ribosome subunit biogenesis protein, the ribosomal protein L10, the DEAD-box helicase, the EIF-2α, YT521-B protein, the 60S ribosomal protein and the PPR repeat domain containing protein. The in silico analysis showed that OsCYP-25 interacts with different proteins involved in cell growth, differentiation, ribosome biogenesis, RNA metabolism, RNA editing, gene expression, signal transduction or stress response. These findings suggest that OsCYP-25 might perform an important function in mediating wide range of cellular response under multiple abiotic stresses.
Keywords: DEAD-box helicase; WD domain; abiotic stress; cyclophilin; peptidyl prolyl isomerase; protein folding; rice
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