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Keywords:

  • Methanogenic archaea;
  • Seawater particle;
  • Fish feces;
  • Intestinal microflora;
  • 16S rDNA;
  • PCR

Abstract

A methanogen-specific nested PCR approach was used to detect methanogenic archaea in seawater particles of the North Sea and the feces and the digestive tract of flounder (Platichthys flesus), a fish found in the North Sea. A number of 16S rDNA sequences with 97.6–99.5% similarity to Methanococcoides methylutens were found in the seawater particles as well as the digestive tract and fecal samples.