Affiliation:
1. Department of Anaerobic Microbiology, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061
Abstract
Thirty-four strains representing 15 species of anaerobic bacteria were screened for acetone, isopropanol, and
n
-butanol (solvent) production. Under our culture conditions, several strains of
Clostridium beijerinckii
and
C. aurantibutyricum
produced at least 40 mM
n
-butanol (
C. acetobutylicum
strains produced up to 41 mM
n
-butanol under similar conditions). Both solvent-producing and non-solvent-producing strains of
C. beijerinckii
have high DNA homology with a reference strain of
C. beijerinckii.
Strains labeled “
Clostridium butylicum
” are phenotypically similar to
C. beijerinckii
and showed at least 78% DNA homology to a reference strain of
C. beijerinckii.
Therefore, these “
C. butylicum
” strains are members of
C. beijerinckii.
An earlier DNA homology study has shown that
C. beijerinckii, C. aurantibutyricum
, and
C. acetobutylicum
are distinct species.
Publisher
American Society for Microbiology
Subject
Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology
Cited by
139 articles.
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