Document Detail


Cloning, characterization and regulation of a protein disulfide isomerase from the fission yeast Schizosaccharomyces pombe.
MedLine Citation:
PMID:  16850188     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
To elucidate the physiological roles and regulation of a protein disulfide isomerase (PDI) from the fission yeast Schizosaccharomyces pombe, the full-length PDI gene was ligated into the shuttle vector pRS316, resulting in pPDI10. The determined DNA sequence carries 1,636 bp and encodes the putative 359 amino acid sequence of PDI with a molecular mass of 39,490 Da. In the amino acid sequence, the S. pombe PDI appears to be very homologous to A. thaliana PDI. The S. pombe cells harboring pPDI10 showed increased PDI activity and accelerated growth, suggesting that the cloned PDI gene is functioning and involved in the yeast growth. The 460 bp upstream region of the PDI gene was fused into promoterless beta-galactosidase gene of the shuttle vector YEp367R to generate pYUPDI10. The synthesis of beta-galactosidase from the PDI-lacZ fusion gene was enhanced by oxidative stress, such as superoxide anion and hydrogen peroxide. It was also induced by some non-fermentable and fermentable carbon sources. Nitrogen starvation was able to enhance the synthesis of beta-galactosidase from the PDI-lacZ fusion gene. The enhancement by oxidative stress and fermentable carbon sources did not depend on the presence of Pap1. The PDI mRNA levels were increased in both Pap1-positive and Pap1-negative cells treated with glycerol. Taken together, the S. pombe PDI gene is involved in cellular growth and response to nutritional and oxidative stress.
Authors:
Su-Jung Kim; Yeon-Sook Choi; Hong-Gyum Kim; Eun-Hee Park; Chang-Jin Lim
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Molecular biology reports     Volume:  33     ISSN:  0301-4851     ISO Abbreviation:  Mol. Biol. Rep.     Publication Date:  2006 Sep 
Date Detail:
Created Date:  2006-07-19     Completed Date:  2006-12-22     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  0403234     Medline TA:  Mol Biol Rep     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  187-96     Citation Subset:  IM    
Affiliation:
Division of Life Sciences, College of Natural Sciences, Kangwon National University, 192-1 Hyoja-2-dong, Chuncheon 200-701, Korea.
Data Bank Information
Bank Name/Acc. No.:
GENBANK/DQ104736
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MeSH Terms
Descriptor/Qualifier:
Amino Acid Sequence
Base Sequence
Carbon / metabolism
Cloning, Molecular*
Culture Media
Molecular Sequence Data
Nitrogen / metabolism
Oxidative Stress
Protein Disulfide-Isomerases / chemistry,  genetics*,  metabolism*
Schizosaccharomyces / enzymology*,  genetics*,  growth & development
Sequence Alignment
Chemical
Reg. No./Substance:
0/Culture Media; 7440-44-0/Carbon; 7727-37-9/Nitrogen; EC 5.3.4.1/Protein Disulfide-Isomerases

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