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  • 1
    Electronic Resource
    Electronic Resource
    Isolation and characterization of Methanocorpusculum parvum, gen. nov., spec. nov., a new tungsten requiring, coccoid methanogen (1987)
    Springer
    Archives of microbiology 147 (1987), S. 13-20 
    Details
    ISSN: 1432-072X
    Keywords: Archaebacteria ; Methanogens ; Methanocorpusculum parvum ; Taxonomy ; 16 S rRNA ; Serological probes ; Physiology ; Tungsten ; Cofactors ; Cytochrome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A new mesophilic, monotrichously flagellated methane-producing coccus of ≦1μm in diameter was isolated from an anaerobic sour whey digester, originally inoculated with sewage sludge. Growth and methane production were observed with H2/CO2, formate and — less effectively — with 2-propanol/CO2. The isolate grew at temperatures between 15° C and 45° C with the optimum at around 37° C. Acetate, yeast extract and tungstate were required in the medium. Clarified rumen fluid stimulated growth. The DNA of the new methanogen has a G+C content of 48.5 mol%. Comparative 16 S rRNA oligonucleotide cataloguing allows to define the new isolate as a member of a new genus of the order Methanomicrobiales. Further evidence for this is provided by the antigenic crossreactivity with anti-S probes and by metabolic features. Because of its small size the new methanogen is named Methanocorpusculum parvum.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00492898
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Holophaga foetida gen. nov., sp. nov., a new, homoacetogenic bacterium degrading methoxylated aromatic compounds (1994)
    Springer
    Archives of microbiology 162 (1994), S. 85-90 
    Details
    ISSN: 1432-072X
    Keywords: Holophaga foetida ; Sulfide-methylation ; Homoacetogenic bacterium ; Pelobacter ; Acetobacterium ; 16S rRNA analysis ; Phylogeny
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A polyphasic approach was used in which genotypic and phenotypic properties of a gram-negative, obligately anaerobic, rod-shaped bacterium isolated from a black anoxic freshwater mud sample were determined. Based on these results, the name Holophaga foetida gen. nov., sp. nov. is proposed. This microorganism produced dimethylsulfide and methanethiol during growth on trimethoxybenzoate or syringate. The only other compounds utilized were pyruvate and trihydroxybenzenes such as gallate, phloroglucinol, or pyrogallol. The aromatic compounds were degraded to acetate. Although comparison of the signature nucleotide pattern of the five established subclasses of Proteobacteria with the 16S rDNA sequence of Holophaga foetida revealed a relationship to members of the δ-subclass, the phylogenetic position within the radiation of this class is so deep and dependent upon the number and selection of reference sequences that its affiliation to the Proteobacteria must be considered tentative. The type strain is H. foetida strain TMBS4 (DSM 6591).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00264378
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Methanocorpusculaceae fam. nov., represented by Methanocorpusculum parvum, Methanocorpusculum sinense spec. nov. and Methanocorpusculum bavaricum spec. nov. (1989)
    Springer
    Archives of microbiology 151 (1989), S. 381-390 
    Details
    ISSN: 1432-072X
    Keywords: Archaebacteria ; Methanocorpusculaceae ; Methanocorpusculum sinense spec. nov., Methanocorpusculum bavaricum spec. nov. ; Methanocorpusculum parvum ; 16 S rRNA ; Secondary alcohols ; Lipids ; Polyamines ; S-layer ; Glycoproteins ; Physiology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Two new methanogenic bacteria, Methanocorpusculum sinense spec. nov. strain DSM 4274 from a pilot plant for treatment of distillery wastewater in Chengdu (Province Sichuan, China), and Methanocorpusculum bavaricum spec. nov. strain DSM 4179, from a wastewater pond of the sugar factory in Regensburg (Bavaria, FRG) are described. Methanocorpusculum strains are weakly motile and form irregularly coccoid cells, about 1 μm in diameter. The cell envelope consists of a cytoplasmic membrane and a S-layer, composed of hexagonally arranged glycoprotein subunits with molecular weights of 90000 (Methanocorpusculum parvum), 92000 (M. sinense), and 94000 (M. bavaricum). The center-to-center spacings are 14.3 nm, 15.8 nm and 16.0 nm, respectively. Optimal growth of strains is obtained in the mesophilic temperature range and at a pH around 7. Methane is produced from H2/CO2, formate, 2-propanol/CO2 and 2-butanol/CO2 by M. parvum and M. bavaricum, whereas M. sinense can only utilize H2/CO2 and formate. Growth of M. sinense and M. bavaricum is dependent on the presence of clarified rumen fluid. The G+C content of the DNA of the three strains is ranging from 47.7–53.6 mol% as determined by different methods. A similar, but distinct polar lipid pattern indicates a close relationship between the three Methanocorpusculum species. The polyamine patterns of M. parvum, M. sinense and M. bavaricum are similar, but distinct from those of other methanogens and are characterized by a high concentration of the otherwise rare 1,3-diaminopropane. Quantitative comparison of the antigenic fingerprint of members of Methanocorpusculum revealed no antigenic relationship with any one of the reference methanogens tested. On the basis of the distant phylogenetic position of M. parvum and the data presented in this paper a new family, the Methanocorpusculaceae fam. nov., is defined.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00416595
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Holophaga foetida gen. nov., sp. nov., a new, homoacetogenic bacterium degrading methoxylated aromatic compounds (1994)
    Springer
    Archives of microbiology 162 (1994), S. 85-90 
    Details
    ISSN: 1432-072X
    Keywords: Key words     Holophaga foetida ; Sulfide-methylation ; Homoacetogenic bacterium ; Pelobacter ; Acetobacterium ; 16S rRNA analysis ; Phylogeny
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract      A polyphasic approach was used in which genotypic and phenotypic properties of a gram-negative, obligately anaerobic, rod-shaped bacterium isolated from a black anoxic freshwater mud sample were determined. Based on these results, the name Holophaga foetida gen. nov., sp. nov. is proposed. This microorganism produced dimethylsulfide and methanethiol during growth on trimethoxybenzoate or syringate. The only oth er compounds utilized were pyruvate and trihydroxybenzenes such as gallate, phloroglucinol, or pyrogallol. The aromatic compounds were degraded to acetate. Although comparison of the signature nucleotide pattern of the five established subclasses of Proteobacteria with the 16S rDNA sequence of Holophaga foetida revealed a relationship to members of the δ-subclass, the phylogenetic position within the radiation of this class is so deep and dependent upon the number and selection of reference seq uences that its affiliation to the Proteobacteria must be considered tentative. The type strain is H. foetida strain TMBS4 (DSM 6591).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00264378
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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