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Isolation and gene expression analysis of Phospholipase C in response to abiotic stresses from Vigna radiata (L.) Wilczek.
Indian J Exp Biol ; 2015 Jun; 53(6): 335-341
Article in English | IMSEAR | ID: sea-158499
ABSTRACT
Phosphatidylinositol (PtdIns) is a major phospholipid in eukaryotic cells. Many studies have revealed that the phosphoinositide (PI) signaling pathway plays an important role in plant growth and development. Phospholipase C (PLC) is reported to have a crucial role in the PI pathway. This work focuses on the isolation and investigation of PLC in response to abiotic stress factors in green gram. The PLC cDNA, designated VrPLC, encoding a protein of 591 amino acids was cloned and expressed in E. coli.The predicted isoelectric point (pI) and molecular weight were 5.96 and 67.3 kDa, respectively. The tertiary structure of the PLC was also predicted and found to be mainly composed of random coils. In addition, VrPLC expression analysis was performed under environmental stress and the results showed that the expression of VrPLC was rapidly induced in an abscisic acid independent manner in response to drought and salt stress. PLC expression was found to be up-regulated by SA and down-regulated by wound in leaf tissues; however, there was no significant difference in the expression of PLC in plants subjected to high temperature and H2O2. Our results suggest that a close link/relationship between PLC expression and stress responses in green gram.
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Full text: Available Index: IMSEAR (South-East Asia) Main subject: Phosphatidylinositols / Stress, Mechanical / Gene Expression / Reverse Transcriptase Polymerase Chain Reaction / Phosphoinositide Phospholipase C / Fabaceae Type of study: Prognostic study Language: English Journal: Indian J Exp Biol Year: 2015 Type: Article

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Full text: Available Index: IMSEAR (South-East Asia) Main subject: Phosphatidylinositols / Stress, Mechanical / Gene Expression / Reverse Transcriptase Polymerase Chain Reaction / Phosphoinositide Phospholipase C / Fabaceae Type of study: Prognostic study Language: English Journal: Indian J Exp Biol Year: 2015 Type: Article