- International Journal of Systematic and Evolutionary Microbiology
- Volume 38, Issue 1
f Description of a New Strain of Methanothrix soehngenii and Rejection of Methanothrix concilii as a Synonym of Methanothrix soehngenii
- Authors: JEAN PIERRE TOUZEL*, GéRARD PRENSIER*, JEAN LOUIS ROUSTAN, ISABELLE THOMAS, HENRI CHARLES DUBOURGUIER, GUY ALBAGNAC
- * Corresponding author.
- First Published Online: 01 January 1988, International Journal of Systematic and Evolutionary Microbiology 38: 30-36, doi: 10.1099/00207713-38-1-30
- Subject: Original Papers Relating To Systematic Bacteriology
- Issue Published:
A new mesophilic strain of Methanothrix, strain FE, was highly purified from the sludge of an anaerobic digester after enrichment on sodium acetate and is described. Strain FE was compared with other strains of Methanothrix, Methanothrix soehngenii strain OpfikonT (= DSM 2139T) (T = type strain) and Methanothrix concilii strain GP6T (= DSM 3671T). The differences within the strains were mainly related to their requirement for yeast extract. The three strains were found to be similar in their deoxyribonucleic acid guanine-plus-cytosine contents (50.2 to 52.6 mol%) and showed 100% deoxyribonucleic acid-deoxyribonucleic acid homology. For these reasons we propose to recognize synonymy, reject the name Methanothrix concilii Patel 1985, 35:223, and assign this organism to the species Methanothrix soehngenii Huser, Wuhrmann and Zehnder 1983, 33:439.
Copyright © 1988 International Union of Microbiological Societies | Published by the Microbiology Society
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