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Appl Environ Microbiol. 2001 May;67(5):2380-3.

The celA gene, encoding a glycosyl hydrolase family 3 beta-glucosidase in Azospirillum irakense, is required for optimal growth on cellobiosides.

Author information

1
F. A. Janssens Laboratory of Genetics, Katholieke Universiteit Leuven, K. Mercierlaan 92, B-3001 Heverlee, Belgium.

Abstract

The CelA beta-glucosidase of Azospirillum irakense, belonging to glycosyl hydrolase family 3 (GHF3), preferentially hydrolyzes cellobiose and releases glucose units from the C(3), C(4), and C(5) oligosaccharides. The growth of a DeltacelA mutant on these cellobiosides was affected. In A. irakense, the GHF3 beta-glucosidases appear to be functional alternatives for the GHF1 beta-glucosidases in the assimilation of beta-glucosides by other bacteria.

PMID:
11319128
PMCID:
PMC92883
DOI:
10.1128/AEM.67.5.2380-2383.2001
[Indexed for MEDLINE]
Free PMC Article

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