Lactobacillus jensenii sp.nov., a New Representative of the Subgenus Thermobacterium

1 Department of Bacteriology and Immunology, University of California, Berkeley, California 94720, U.S.A. 2 Department of Biology, The University of Texas, M.D. Anderson Hospital and Tumor Institute, Houston, Texas, U.S.A. 3 National Institutes of Health, National Institute of Dental Research, Bethe...

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Published inJournal of general microbiology Vol. 62; no. 2; pp. 219 - 222
Main Authors GASSER, F, MANDEL, M, ROGOSA, M
Format Journal Article
LanguageEnglish
Published England Soc General Microbiol 01.08.1970
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Summary:1 Department of Bacteriology and Immunology, University of California, Berkeley, California 94720, U.S.A. 2 Department of Biology, The University of Texas, M.D. Anderson Hospital and Tumor Institute, Houston, Texas, U.S.A. 3 National Institutes of Health, National Institute of Dental Research, Bethesda, Maryland, U.S.A. ABSTRACT SUMMARY: Seven strains of homofermentative Lactobacillus newly isolated from human sources were found to possess all of the usual phenotypic characters of Lactobacillus leichmannii. However, a subsequent comparative study of the electrophoretic mobilities of their lactic dehydrogenases showed that these seven newly isolated strains were markedly different from collection strains of L. leichmannii. Determination of the mean DNA base composition of a representative sample of the new isolates (36.1 ± 1.2 moles % G + C) clearly indicates that they cannot be considered as L. leichmannii (50.8 ± 0.5 moles % G + C). The newly isolated strains have been assigned to a new species, L. jensenii. * Permanent address: Institut Pasteur, 25 rue du Docteur Roux, Paris (XV), France.
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ISSN:0022-1287
DOI:10.1099/00221287-62-2-219