Results 121 to 130 of about 1,561 (158)

Fast insights into chitosan-cleaving enzymes by simultaneous analysis of polymers and oligomers through size exclusion chromatography. [PDF]

Sci Rep
Hellmann MJ, Moerschbacher BM, Cord-Landwehr S.   +2 more
europepmc   +1 more source

Nanomaterial-Mediated RNAi Targeting Chitin Metabolism Genes in MEAM1 Cryptic Species of Bemisia tabaci (Hemiptera: Aleyrodidae). [PDF]

Insects
Kong D, Gu H, Gao Y, Hou Y, Li J.
europepmc   +1 more source

Immunogenicity of trivalent DNA vaccine candidate encapsulated in Chitosan-TPP nanoparticles against EV-A71 and CV-A16. [PDF]

Nanomedicine (Lond)
Yew JS, Ong SK, Lim HX, Tan SH, Ong KC, Wong KT, Poh CL.   +6 more
europepmc   +1 more source

Crystal Structure of Microbial Chitosanase

Crystal Structure of Microbial Chitosanase
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Chitosanase, a Novel Enzyme

Nature New Biology, 1973
CHITIN is a structural polysaccharide composed of β(1→4) linked N-acetyl-D-glucosamine residues, found widely in exoskeletons of animals and in cell walls of green algae and fungi1,2. Chitosan is a partially deacetylated form of chitin2; those commercially available have an average degree of acetylation of 10–30% and are prepared by treating chitin ...
R L, Monaghan, D E, Eveleigh, R P, Tewari, E T, Reese   +3 more
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Chitosanase activity inBacillus thuringiensis

Folia Microbiologica, 2004
The ability to produce extracellular chitosanase (EC 3.2.1.132) was found by plate assays in 18 (23%) out of 77 crystalliferous strains of Bacillus thuringiensis. The best chitosanase producer was selected after the growth chosen in a liquid medium with colloidal chitosan as carbon source. Enzyme production was optimized (a 4-d incubation at 32 degrees
R, Cruz Camarillo, O, Sánchez Pérez, N G, Rojas Avelizapa, M, Gómez Ramírez, L I, Rojas Avelizapa   +4 more
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Specificity of chitosanase from Bacillus pumilus

Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology, 1994
Partially (25-35%) N-acetylated chitosan was digested by chitosanase from Bacillus pumilus BN-262, and structures of the products, partially N-acetylated chitooligosaccharides, were analyzed in order to investigate the specificity of the chitosanase.
T, Fukamizo, T, Ohkawa, Y, Ikeda, S, Goto   +3 more
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Properties of Chitosanase from Bacillus cereus S1

Current Microbiology, 2000
Chitosanase from Bacillus cereus S1 was purified, and the enzymatic properties were investigated. The molecular weight was estimated to 45,000 on SDS-PAGE. Optimum pH was about 6, and stable pH in the incubation at 40 degrees C for 60 min was 6-11. This chitosanase was stable in alkaline side.
M, Kurakake, S, Yo-u, K, Nakagawa, M, Sugihara, T, Komaki   +4 more
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Multiple forms of chitosanase activities

Phytochemistry, 1992
Abstract Leaf, seed and fruit crude extracts from several species were tested for chitosanase activity using a polyacrylamide gel assay. Chitosanase activity was found in higher and in lower plant species. Depending on extracts, one to six acidic isoforms and one to three basic isoforms could be detected.
Souad El Ouakfaoui, Alain Asselin
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Insights into promiscuous chitosanases: the known and the unknown

Applied Microbiology and Biotechnology, 2022
Chitosanase, a glycoside hydrolase (GH), catalyzes the cleavage of β-1,4-glycosidic bonds in polysaccharides and is widely distributed in nature. Many organisms produce chitosanases, and numerous chitosanases in the GH families have been intensely studied.
Haipeng Su, Jianan Sun, Zhenrong Jia, Hongjun Zhao, Xiangzhao Mao   +4 more
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