Affiliation:
1. Laboratory for Microbiology, Faculty of Sciences, State University, Ghent, Belgium
Abstract
De Ley, J.
(State University, Ghent, Belgium),
and S. Friedman
. Deoxyribonucleic acid hybrids of acetic acid bacteria. J. Bacteriol.
88:
937–945. 1964.—Deuterated N
15
-labeled deoxyribonucleic acid (DNA) from
Acetobacter aceti
(
mesoxydans
4) forms hybrids with ordinary DNA from other species of this genus (
A. xylinum, A. pasteurianus, A. estunensis
, and possibly
A. xylinoides
) when the guanine plus cytosine base composition does not vary by more than 1 to 2%. Beyond this limit (
A. aceti
Ch31 and
A. muciparus
5) no hybrids are formed. The hybrids are apparently derived from an asymmetrical part of the compositional distribution. The results lend strength to the concept of a genetic species rather than to a division of a genus into sharply separated species, based on small phenotypic differences. Taxonomic implications are discussed.
Publisher
American Society for Microbiology
Subject
Molecular Biology,Microbiology
Reference17 articles.
1. Hydrogen metabolism in Acetobacter peroxydans;ATKINSON D. E.;J. Bacteriol.,1956
2. Comparative carbohydrate metabolism and a proposal for a phylogenetic relationship of the acetic acid bacteria;DE LEY J.;J. Gen. Microbiol.,1961
3. Comparative biochemistry and enzymology in bacterial classification;DE LEY J.;Symp. Soc. Gen. Microbiol.,1962
4. Deoxyribonucleic acid base composition of acetic acid bacteria;DE LEY J.;J. Gen. Microbiol.,1963
5. Some applications of deoxyribonucleic acid base composition in bacterial taxonomy. Antonie van Leeuwenhoek J;DE LEY J.;Microbiol. Serol.,1963
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