Emendation of the Genus Thermobacteroides: Thermobacteroides proteolyticus sp. nov., a Proteolytic Acetogen from a Methanogenic Enrichment

  title={Emendation of the Genus Thermobacteroides: Thermobacteroides proteolyticus sp. nov., a Proteolytic Acetogen from a Methanogenic Enrichment},
  author={Bernard Ollivier and Robert A. Mah and T. J. Ferguson and David R. Boone and J.-L. Garcia and Ralph W. Robinson},
  journal={International Journal of Systematic and Evolutionary Microbiology},
Thermobacteroides proteolyticus sp. nov. was isolated from a methanogenic enrichment culture inoculated from a thermophilic digestor (55°C) that was fermenting tannery wastes and cattle manure. The cells were anaerobic, gram-negative, nonsporeforming, nonmotile rods that were 0.5 μm wide and 1 to 6 μm long. At the end of logarithmic growth, they were pleomorphic, with some filamentous cells. The deoxyribonucleic acid base composition was 45 mol% guanine plus cytosine. The temperature optimum… 

Figures and Tables from this paper

Clostridium fervidus sp. nov., a new chemoorganotrophic acetogenic thermophile

With the exception of serine, which could be catabolized as the sole carbon source, either peptone or yeast extract was essential for the fermentation of carbohydrates including glucose, maltose, mannose, xylan, starch, and pyruvate.

Spm now , , a new anaerobic proteolytic thermophilic bacterium isolated from an anaerobic mesophilic sludge

DNA-DNA hybridization analysis demonstrated a very low level of homology, indicating that the isolated strain and C. proteolyticus were not related at species level, and it is proposed to classify the described strain in the genus Coprothermobacter as a new species, CoproThermobacter platensis.

Thermoanaerobium acetigenum spec. nov., a new anaerobic, extremely thermophilic, xylanolytic non-spore-forming bacterium isolated from an Icelandic hot spring

An anaerobic, extremely thermophilic, xylanolytic nonspore-forming bacterium, strain X6B, was isolated from a 70°C Icelandic hot spring sediment and the properties of this strain do not fit any previously described species.

Keratin Degradation by Fervidobacterium pennavorans, a Novel Thermophilic Anaerobic Species of the Order Thermotogales

This strain, which grows optimally at 70(deg)C and pH 6.5, is the first known extreme thermophile that is able to degrade native feathers at high temperatures and converts feather meal to amino acids and peptides.

Isolation and characterisation of a novel extremely thermophilic, anaerobic, chemo-organotrophic eubacterium

Abstract A new, extremely thermophilic, anaerobic, chemo-organotrophic bacterium was isolated from intertidal habitats where seepage of geothermally heated water occurs. The antibiotic sensitivity

Thermophilic methanogenesis from gelatin by a mixed defined bacterial culture

SummaryThe fermentation of gelatin by different associations of bacteria, including Thermobacteroides proteolyticus, Methanobacterium sp. and Methanosarcina MP was studied. Experimental vessels were

Ecology and biotechnological potential of the thermophilic fermentative Coprothermobacter spp.

Thermophilic bacteria have been isolated from several terrestrial, marine and industrial environments. Anaerobic digesters treating organic wastes are often an important source of these

Physiological and Molecular Characterisation of an Anaerobic Thermophilic Oleate-degrading Enrichment Culture

The enrichment culture of thermophilic oleate-degrading bacteria produced methane from linear saturated fatty acids, and fermented crotonate to acetate and butyrate, with a stoichiometry similar to that reported for Syntrophomonaswolfei.



Fermentation of Peptides by Bacteroides ruminicola B14

  • J. Russell
  • Medicine, Biology
    Applied and environmental microbiology
  • 1983
In glucose-limited chemostats, ammonia production from peptides was inversely proportional to the dilution rate, and 87% of the variation in ammonia production could be explained by retention time in the culture vessel.

Methanogenesis from acetate: enrichment studies

This age-dependent inhibition of methanogenesis by H2 and formate indicated that microbial interactions of the mixed enrichment population may play a regulatory role in methane formation and a model is presented to illustrate the possible interrelationships between methanogenic and nonmethanogenic bacteria in their growth and formation of methane and carbon dioxide from acetate.

The Roll-Tube Method for Cultivation of Strict Anaerobes

Habitats devoid of oxygen include the interior of the alimentary tracts of most mammals, the lower portions of many oligotrophic lakes, the sediment underlying bodies of water, and water logged soils, which are chiefly responsible for the lack of O2.

The cytology of Pseudomonas spp. as revealed by a silver-plating staining method.

A modification of Fontana's silver-plating method was devised and used for the cytological study of 214 isolates of Pseudomonas spp. Many features, such as flagella, cross-walls or septa, capsules

Methanogens: reevaluation of a unique biological group.

The present study focuses on the development and outline of a new treatment based on 16-year-old ribonucleic acid, as well as evidence in support of the new taxonomic treatment.

Genome comparison in yeast systematics: delimitation of species within the genera Schwanniomyces, Saccharomyces, Debaryomyces, and Pichia.

Evaluation of Current Approaches to Yeast Systematics and Results and Discussion of Sequence Complementarity, Results and Discussions.

Casamino acids enhance growth of Bacteroides melaninogenicus

  • M. Lev
  • Biology, Environmental Science
    Journal of bacteriology
  • 1977
Casamino Acids enhance the growth of Bacteroides melaninogenicus when added to various concentrations of Trypticase. Absence of a peptide, not amino acids, is responsible for the inability of

Ecologie microbienne de la digestion anaérobie : techniques de numérotation et d'isolement

L’éfude de la méfhanisafion de résidus cellulosiques solides d’industrie agro-alimenfaire (cassettes de betterave sucrière épuisées), a nécessité la mise au point ou l’élaboralion de techniques