Abstract:
:We report the cloning and characterization of both the cDNA (tufA) and genomic clones encoding for a chloroplast translation elongation factor (EF-Tu) from pea. The analysis of the deduced amino acids of the cDNA clone reveals the presence of putative transit peptide sequence and four GTP binding domains and two EF-Tu signature motifs in the mature polypeptide region. Using in vivo immunostaining followed by confocal microscopy pea EF-Tu was localized to chloroplast. The steady state transcript level of pea tufA was high in leaves and not detectable in roots. The expression of this gene is stimulated by light. The differential expression of this gene in response to various abiotic stresses showed that it is down-regulated in response to salinity and ABA and up-regulated in response to low temperature and salicylic acid treatment. These results indicate that regulation of pea tufA may have an important role in plant adaptation to environmental stresses.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Singh BN,Mishra RN,Agarwal PK,Goswami M,Nair S,Sopory SK,Reddy MKdoi
10.1016/j.bbrc.2004.05.192subject
Has Abstractpub_date
2004-07-23 00:00:00pages
523-30issue
2eissn
0006-291Xissn
1090-2104pii
S0006291X04011325journal_volume
320pub_type
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journal_title:Biochemical and biophysical research communications
pub_type: 杂志文章
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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