Characterization of a salt-tolerant family 42 beta-galactosidase from a psychrophilic antarctic Planococcus isolate

Article Abstract:

Research has been conducted on the gram-positive halotolerant psychrophile from a hypersaline pond located in Antarctica. The results of the phylogenetic analysis of rRNA gene sequence of this organism are presented.

Statistical Data Included, Ribosomal RNA, Microbiological research, Salts

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Phylogenetic analysis of anaerobic psychrophilic enrichment cultures obtained from a greenland glacier ice core

Article Abstract:

The phylogenetic analysis of the sequences from 24 anaerobic psychrophilic microbial communities from ice cores represents a diverse population of microbes with species of alpha, beta, and gamma Proteobacteria, Deinococcus group, gram-negative and gram-positive anaerobes, and spore- and nonspore producing microorganisms.

Environmental aspects, Microbial populations, Corridors (Ecology), Microbial ecology

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Characterization of an unusual cold-active beta-glucosidase belonging to family 3 of the glycoside hydrolases from the psychrophilic isolate paenibacillus sp. strain C7

Article Abstract:

Psychrophilic microorganisms and cold-active glycoside hydrolases were investigated where numerous spore-forming psychrophilic bacteria were isolated to obtain phylogenetically related organisms with beta-galactosidases active on the chromogen 5-bromo-4-chloro-3-indoyl-beta-D-galactopyranoside at low temperatures. It was suggested that the enzyme allow the organism to use these substrates in the environment and its low Km on indoxyl-beta-D-glucoside make it useful for producing indigo.

Science & research, Enzyme activation, Properties, Glycosides, Chemical properties, Nucleotide sequencing

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