ArticleBioMed research international2014
Cloning, expression, purification, and characterization of glutaredoxin from Antarctic sea-ice bacterium Pseudoalteromonas sp. AN178.
Article in BioMed research international, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 11 citations in OpenAlex.
- Cloning, Expression, Characterization, and Antioxidant Protection of Glutaredoxin3 From Psychrophilic BacteriumFrontiers in microbiology · 2021Article
- Enzymes from Marine Polar Regions and Their Biotechnological Applications.Marine drugs · 2019Review
- Discovery, Molecular Mechanisms, and Industrial Applications of Cold-Active Enzymes.Frontiers in microbiology · 2016Review
- Marine-derived fungi: diversity of enzymes and biotechnological applications.Frontiers in microbiology · 2015Review
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Authors and funding
8 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Glutaredoxins (Grxs) are small ubiquitous redox enzymes that catalyze glutathione-dependent reactions to reduce protein disulfide. In this study, a full-length Grx gene (PsGrx) with 270 nucleotides was isolated from Antarctic sea-ice bacterium Pseudoalteromonas sp. AN178. It encoded deduced 89 amino acid residues with the molecular weight 9.8 kDa. Sequence analysis of the amino acid sequence revealed the catalytic motif CPYC. Recombinant PsGrx (rPsGrx) stably expressed in E. coli BL21 was purified to apparent homogeneity by Ni-affinity chromatography. rPsGrx exhibited optimal activity at 30°C and pH 8.0 and showed 25.5% of the activity at 0°C. It retained 65.0% of activity after incubation at 40°C for 20 min and still exhibited 37.0% activity in 1.0 M NaCl. These results indicated that rPsGrx was a typical cold active protein with low thermostability.
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