Characterization of a new cell-bound alpha-amylase in Bacillus subtilis 168 Marburg that is only immunologically related to the exocellular alpha-amylase

Author:

Haddaoui E1,Petit-Glatron M F1,Chambert R1

Affiliation:

1. Institut Jacques Monod, Laboratoire Génétique et Membranes, Paris, France.

Abstract

Immunoblot analysis of Bacillus subtilis cell extracts with polyclonal antibodies, raised against purified exocellular alpha-amylase, revealed one protein species of 82,000 Da. This protein was found even in cells in which the amyE gene, encoding exocellular alpha-amylase, was disrupted. Isolated from the membrane fraction, the 82,000-M(r) protein displayed an alpha-amylase activity in vitro.

Publisher

American Society for Microbiology

Subject

Molecular Biology,Microbiology

Reference9 articles.

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3. Construction of a Bacillus subtilis double mutant deficient in extracellular alkaline and neutral proteases;Kawamura F.;J. Bacteriol.,1984

4. Membrane-bound and soluble extracellular ~-amylase from Bacillus subtilis;Mäntsälä P.;J. Biol. Chem.,1979

5. Genetic and biochemical studies on cell-bound ~-amylase in Bacillus subtilis Marburg;Nagata Y.;J. Bacteriol.,1974

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