The Action ofBacillus circulansWL-12 Chitinases on PartiallyN-Acetylated Chitosan | Zendy

Masaru Mitsutomi | Zendy; Hirotaka Kidoh | Zendy; Hideo Tomita | Zendy; Takeshi Watanabe | Zendy

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The Action ofBacillus circulansWL-12 Chitinases on PartiallyN-Acetylated Chitosan

Author(s) -

Masaru Mitsutomi,

Hirotaka Kidoh,

Hideo Tomita,

Takeshi Watanabe

Publication year - 1995

Publication title -

bioscience biotechnology and biochemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.509

H-Index - 116

eISSN - 1347-6947

pISSN - 0916-8451

DOI - 10.1271/bbb.59.529

Subject(s) - bacillus circulans , biological sciences , library science , chemistry , microbiology and biotechnology , biology , computer science , biochemistry , enzyme

Both chitinase A1 and D from Bacillus circulans WL-12 specifically hydrolyzed the N-acetyl-beta-D-glucosaminidic bonds in 50% N-acetylated chitosan molecules to produce hetero-oligosaccharides with GlcNAc at the reducing end residues, together with GlcNAc and (GlcNAc)2. GlcN-GlcNAc and GlcN-GlcNAc-GlcNAc were produced as major hydrolysis products with chitinase A1 and D, respectively, but GlcN-GlcNAc was not detected in the digest of 50% N-acetylated chitosan with chitinase D.

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