Results 21 to 30 of about 1,561 (158)

Overexpression and Biochemical Properties of a GH46 Chitosanase From Marine Streptomyces hygroscopicus R1 Suitable for Chitosan Oligosaccharides Preparation

Frontiers in Microbiology, 2022
Due to the various biological activities of chitosan oligosaccharides (COSs), they have great potential value for use in many areas. Chitosanase plays an important role in enzymatic preparation of COSs.
Jianrong Wang, Jianrong Wang, Ping Wang, Mujin Zhu, Wei Chen, Si Yu, Bin Zhong   +6 more
doaj   +1 more source

Isolation, characterization and heterologous expression of a novel chitosanase from Janthinobacterium sp. strain 4239

Microbial Cell Factories, 2010
Background Chitosanases (EC 3.2.1.132) hydrolyze the polysaccharide chitosan, which is composed of partially acetylated β-(1,4)-linked glucosamine residues.
Stougaard Peter, Hansen Ole C, Johnsen Mads G   +2 more
doaj   +1 more source

Expression and Characterization of a Novel Cold-Adapted Chitosanase from Marine Renibacterium sp. Suitable for Chitooligosaccharides Preparation

Marine Drugs, 2021
(1) Background: Chitooligosaccharides (COS) have numerous applications due to their excellent properties. Chitosan hydrolysis using chitosanases has been proposed as an advisable method for COS preparation. Although many chitosanases from various sources
Lin-Lin Zhang, Xiao-Hua Jiang, Xin-Feng Xiao, Wen-Xiu Zhang, Yi-Qian Shi, Zhi-Peng Wang, Hai-Xiang Zhou   +6 more
doaj   +1 more source

Modification of genetic regulation of a heterologous chitosanase gene in Streptomyces lividans TK24 leads to chitosanase production in the absence of chitosan

Microbial Cell Factories, 2011
Background Chitosanases are enzymes hydrolysing chitosan, a β-1,4 linked D-glucosamine bio-polymer. Chitosan oligosaccharides have numerous emerging applications and chitosanases can be used for industrial enzymatic hydrolysis of chitosan.
Brzezinski Ryszard, Guay Isabelle, Dubeau Marie-Pierre   +2 more
doaj   +1 more source

Characterization of a New Chitosanase from a Marine Bacillus sp. and the Anti-Oxidant Activity of Its Hydrolysate

Marine Drugs, 2020
Chitooligosaccharide (COS) has been recognized to exhibit efficient anti-oxidant activity. Enzymatic hydrolysis using chitosanases can retain all the amino and hydroxyl groups of chitosan, which are necessary for its activity.
Chunrui Ma, Xiao Li, Kun Yang, Shangyong Li   +3 more
doaj   +1 more source

Green-Chemical Strategies for Production of Tailor-Made Chitooligosaccharides with Enhanced Biological Activities

Molecules, 2023
Chitooligosaccharides (COSs) are b-1,4-linked homo-oligosaccharides of N-acetylglucosamine (GlcNAc) or glucosamine (GlcN), and also include hetero-oligosaccharides composed of GlcNAc and GlcN.
Reeba Thomas, Tamo Fukamizo, Wipa Suginta   +2 more
doaj   +1 more source

Efficient Preparation of Chitooligosaccharide With a Potential Chitosanase Csn-SH and Its Application for Fungi Disease Protection

Frontiers in Microbiology, 2021
Chitosanase plays a vital role in bioactive chitooligosaccharide preparation. Here, we characterized and prepared a potential GH46 family chitosanase from Bacillus atrophaeus BSS.
Dandan Cui, Jin Yang, Bosi Lu, Hong Shen, Hong Shen   +4 more
doaj   +1 more source

Biodegradation and Prospect of Polysaccharide from Crustaceans

Marine Drugs, 2022
Marine crustacean waste has not been fully utilized and is a rich source of chitin. Enzymatic degradation has attracted the wide attention of researchers due to its unique biocatalytic ability to protect the environment. Chitosan (CTS) and its derivative
Shuting Qiu, Shipeng Zhou, Yue Tan, Jiayao Feng, Yan Bai, Jincan He, Hua Cao, Qishi Che, Jiao Guo, Zhengquan Su   +9 more
doaj   +1 more source

Chitinolytic Bacteria-Assisted Conversion of Squid Pen and Its Effect on Dyes and Pigments Adsorption

Marine Drugs, 2015
The aim of this work was to produce chitosanase by fermenting from squid pen, and recover the fermented squid pen for dye removal by adsorption. One chitosanase induced from squid pen powder (SPP)-containing medium by Bacillus cereus TKU034 was purified ...
Tzu-Wen Liang, Bo-Chang Lo, San-Lang Wang   +2 more
doaj   +1 more source

Heterogenously‐expressed chitosanase combining a green ball milling method for enzymatic degradation

Food Bioengineering, 2022
Chitooligosaccharides (COSs) and d‐glucosamine (GlcN), the most valuable biomolecules due to their various physiological functions, can be available inexpensively from chitosan by bio‐enzymatic degradation, in which chitosanases play a key role.
Haipeng Su, Jianan Sun, Chaoran Guo, Zhenrong Jia, Xiangzhao Mao   +4 more
doaj   +1 more source