ArticleExtremophiles : life under extreme conditions2016
Characterization of a cold-adapted and salt-tolerant exo-chitinase (ChiC) from Pseudoalteromonas sp. DL-6.
Article in Extremophiles : life under extreme conditions, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 32 citations in OpenAlex.
- Identification and Nematicidal Characterization of an Extracellular Chitinase BLChi79 fromVeterinary sciences · 2026Article
- Genomic and functional profiles of two Antarctic chitin-degrading Arthrobacter strains.Extremophiles : life under extreme conditions · 2026Article
- Cloning, expression, purification, and mutant construction of the chitinase PbCHI2 gene from Photobacterium sp.Archives of microbiology · 2025Article
- Chitinolytic and Fungicidal Potential of the Marine Bacterial Strains Habituating Pacific Ocean Regions.Microorganisms · 2023Article
- Biochemical Properties of a Cold-Active Chitinase from MarineMarine drugs · 2023Article
- A novel thermophilic chitinase directly mined from the marine metagenome using the deep learning tool Preoptem.Bioresources and bioprocessing · 2022Article
- Identification and Characterization of Three Chitinases with Potential in Direct Conversion of Crystalline Chitin intoMarine drugs · 2022Article
- Cloning, expression, purification and characterization of chitin deacetylase extremozyme from halophilic3 Biotech · 2021Article
- Molecular Characterization of Four Alkaline Chitinases from Three Chitinolytic Bacteria Isolated from a Mudflat.International journal of molecular sciences · 2021Article
- Article
- Purification, characterization and cloning of a chitinase from3 Biotech · 2020Article
- Cloning, purification, and characterization of an organic solvent-tolerant chitinase, MtCh509, fromBiotechnology for biofuels · 2018Article
- Transglycosylation by a chitinase from Enterobacter cloacae subsp. cloacae generates longer chitin oligosaccharides.Scientific reports · 2017Article
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Authors and funding
6 authors at 5 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We have previously reported a non-processive endo-type chitinase, ChiA, from a newly isolated marine psychrophilic bacterium, Pseudoalteromonas sp. DL-6. In this study, a processive exo-type chitinase, ChiC, was cloned from the same bacterium and characterized in detail. ChiC could hydrolyze crystalline chitin into (GlcNAc)2 as the only observed product. It exhibited high catalytic activity even at low temperatures, e.g. close to 0 °C, or in the presence of 5 M NaCl, suggesting that ChiC was a cold-adapted and highly salt-tolerant chitinase. ChiC could also hydrolyze other substrates, including chitosan and Avicel, indicating its broad substrate specificity. Sequence features indicated that ChiC was a multi-domain protein having a deep substrate-binding groove that was regarded as characteristic of processive exo-chitinases. Enzymatic hydrolysis of chitin by ChiC could be remarkably boosted in the presence of ChiA, suggesting the synergy of ChiC and ChiA. This work provided a new evidence to prove that marine psychrophilic bacteria utilized a synergistic enzyme system to degrade recalcitrant chitin.
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