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Appl Biochem Biotechnol. 2009 Oct;159(1):24-32. doi: 10.1007/s12010-008-8439-1. Epub 2008 Dec 3.

Endoxanthanase, a novel beta-D-glucanase hydrolyzing backbone linkage of intact xanthan from newly isolated Microbacterium sp. XT11.

Author information

1
Department of Bio & Food Engineering, Dalian College of Light Industry, Dalian, People's Republic of China.

Abstract

A novel endoxanthanase was produced and isolated from the culture of Microbacterium sp. XT11 growing on xanthan. Optimum pH and temperature for the enzyme activity were 6.0 and 35-40 degrees C, respectively. The endoxanthanase cleaves the backbone endo-beta-1,4-glucosidic linkage of the xanthan molecule, which is specific to the intact xanthan. However, the lyase-treated xanthan or carboxymethyl cellulose could not be cleaved by endoxanthanase.

PMID:
19050833
DOI:
10.1007/s12010-008-8439-1
[Indexed for MEDLINE]

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