Cell Surface Enzyme Attachment Is Mediated by Family 37 Carbohydrate-Binding Modules, Unique to Ruminococcus albus

Author:

Ezer Anat1,Matalon Erez1,Jindou Sadanari1,Borovok Ilya1,Atamna Nof1,Yu Zhongtang2,Morrison Mark23,Bayer Edward A.4,Lamed Raphael1

Affiliation:

1. Department of Molecular Microbiology and Biotechnology, Tel Aviv University, Ramat Aviv 69978, Israel

2. MAPLE Research Initiative, Department of Animal Sciences, The Ohio State University, Columbus, Ohio

3. CSIRO Livestock Industries, St. Lucia, QLD 4068, Australia

4. Department of Biological Chemistry, The Weizmann Institute of Science, Rehovot 76100, Israel

Abstract

ABSTRACT The rumen bacterium Ruminococcus albus binds to and degrades crystalline cellulosic substrates via a unique cellulose degradation system. A unique family of carbohydrate-binding modules (CBM37), located at the C terminus of different glycoside hydrolases, appears to be responsible both for anchoring these enzymes to the bacterial cell surface and for substrate binding.

Publisher

American Society for Microbiology

Subject

Molecular Biology,Microbiology

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