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Chitin Deacetylases: Properties and Applications
Considering that chitin deacetylases play very important roles in the biological attack and defense systems, they may find applications for the biological control of fungal plant pathogens or insect pests in agriculture and for the biocontrol of opportunistic fungal human pathogens.
Optimization of γ-amino butyric acid production in a newly isolated Lactobacillus brevis
An isolate from kimchi, identified as Lactobacillus brevis, accumulated γ-aminobutyric acid (GABA), a major inhibitory neurotransmitter, in the culture medium, and was purified using ion exchange column chromatography with 70 % recovery and 97 % purity.
Characterization and Kinetics of 45 kDa Chitosanase from Bacillus sp. P16
An extracellular 45 kDa endochitosanase was purified and characterized from the culture supernatant of Bacillus sp. P16. The purified enzyme showed an optimum pH of 5.5 and optimum temperature of
Extraction of chitin from red crab shell waste by cofermentation with Lactobacillus paracasei subsp. tolerans KCTC-3074 and Serratia marcescens FS-3
The results indicate that cofermentation of the shells using the two strains is efficient and applicable for the one-step extraction of crude chitin from red crab shell waste.
2-Ketogluconic Acid Production and Phosphate Solubilization by Enterobacter intermedium
Enterobacter intermedium, isolated from grass rhizosphere, exhibited a strong ability to solubilize insoluble phosphate and produce 2-ketogluconic acid (2-KGA), which was identified using HPLC and GC-MS.
Demineralization of red crab shell waste by lactic acid fermentation
Lactic acid fermentation was applied to demineralize red crab shell waste using Lactobacillus paracasei subsp. tolerans KCTC-3074. Various concentrations (0, 2.5, 5.0, 10.0%) of glucose were
Enzymatic deacetylation of chitin by extracellular chitin deacetylase from a newly screened Mortierella sp. DY-52.
Among more than a hundred colonies of fungi isolated from soil samples, DY-52 has been screened as an extracellular chitin deacetylase (CDA) producer. The isolate was further identified as