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Methanoplanus limicola, a plate-shaped methanogen representing a novel family, the methanoplanaceae

Abstract

An angular plate-shaped weakly motile mesophilic methanogen was isolated from a swamp of drilling waste in Italy. Growth occurs on H2/CO2 or on formate. Acetate is required in addition. The optimal doubling time is 7 h at 40° C. The cell envelope is composed most likely of glycoprotein subunits in hexagonal arrangement. The GC-content of its DNA is 47.5 mol%. On the basis of DNA-RNA hybridization it was found to represent a new family, the Methanoplanaceae within the order Methanomicrobiales.

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Abbreviations

G+C:

Guanine+Cytosine

SDS:

Sodium dodecylsulfate (Sodium lauryl sulfate)

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Wildgruber, G., Thomm, M., König, H. et al. Methanoplanus limicola, a plate-shaped methanogen representing a novel family, the methanoplanaceae. Arch. Microbiol. 132, 31–36 (1982). https://doi.org/10.1007/BF00690813

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Key words

  • Methanogens
  • Archaebacteria
  • Cell division
  • Glycoprotein
  • Acetate
  • Taxonomy