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

被引:17
作者
Faure, D
Henrissat, B
Ptacek, D
Bekri, MA
Vanderleyden, J
机构
[1] Katholieke Univ Leuven, FA Janssens Lab Genet, B-3001 Heverlee, Belgium
[2] Univ Grenoble 1, CNRS EP2029, CEA LRC12, Lab Plast & Express Genomes Microbiens, F-38041 Grenoble 9, France
[3] CNRS, F-13402 Marseille 20, France
关键词
D O I
10.1128/AEM.67.5.2380-2383.2001
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
The CeIA 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 Delta celA 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.
引用
收藏
页码:2380 / 2383
页数:4
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