title: Insights into the annotated genome sequence of Methanoculleus bourgensis MS2(T), related to dominant methanogens in biogas-producing plants.
abstract: The final step of the biogas production process, the methanogenesis, is frequently dominated by members of the genus Methanoculleus. In particular, the species Methanoculleus bourgensis was identified to play a role in different biogas reactor systems. The genome of the type strain M. bourgensis MS2(T), originally isolated from a sewage sludge digestor, was completely sequenced to analyze putative adaptive genome features conferring competitiveness within biogas reactor environments to the strain. Sequencing and assembly of the M. bourgensis MS2(T) genome yielded a chromosome with a size of 2,789,773 bp. Comparative analysis of M. bourgensis MS2(T) and Methanoculleus marisnigri JR1 revealed significant similarities. The absence of genes for a putative ammonium uptake system may indicate that M. bourgensis MS2(T) is adapted to environments rich in ammonium/ammonia. Specific genes featuring predicted functions in the context of osmolyte production were detected in the genome of M. bourgensis MS2(T). Mapping of metagenome sequences derived from a production-scale biogas plant revealed that M. bourgensis MS2(T) almost completely comprises the genetic information of dominant methanogens present in the biogas reactor analyzed. Hence, availability of the M. bourgensis MS2(T) genome sequence may be valuable regarding further research addressing the performance of Methanoculleus species in agricultural biogas plants.
authors.affiliation: Center for Biotechnology, Bielefeld University, Bielefeld, Germany.
authors.forename: Irena
authors.initials: I
authors.lastname: Maus
authors.affiliation: Center for Biotechnology, Bielefeld University, Bielefeld, Germany.
authors.forename: Daniel
authors.initials: D
authors.lastname: Wibberg
authors.affiliation: Institute of Microbiology and Wine Research, Johannes Gutenberg University Mainz, Mainz, Germany.
authors.forename: Robbin
authors.initials: R
authors.lastname: Stantscheff
authors.affiliation: Center for Biotechnology, Bielefeld University, Bielefeld, Germany.
authors.forename: Yvonne
authors.initials: Y
authors.lastname: Stolze
authors.affiliation: Department of Bioinformatics and Systems Biology, Justus-Liebig-University Gießen, Gießen, Germany.
authors.forename: Jochen
authors.initials: J
authors.lastname: Blom
authors.affiliation: Center for Biotechnology, Bielefeld University, Bielefeld, Germany.
authors.forename: Felix-Gregor
authors.initials: FG
authors.lastname: Eikmeyer
authors.affiliation: Center for Biotechnology, Bielefeld University, Bielefeld, Germany.
authors.forename: Jochen
authors.initials: J
authors.lastname: Fracowiak
authors.affiliation: Institute of Microbiology and Wine Research, Johannes Gutenberg University Mainz, Mainz, Germany.
authors.forename: Helmut
authors.initials: H
authors.lastname: König
authors.affiliation: Center for Biotechnology, Bielefeld University, Bielefeld, Germany.
authors.forename: Alfred
authors.initials: A
authors.lastname: Pühler
authors.affiliation: Center for Biotechnology, Bielefeld University, Bielefeld, Germany. Electronic address: aschluet@cebitec.uni-bielefeld.de.
authors.forename: Andreas
authors.initials: A
authors.lastname: Schlüter
mesh_terms: D056804:Biofuels; D019847:Chromosomes, Archaeal / Q000235:genetics; D019641:DNA, Archaeal / Q000235:genetics; D020745:Genome, Archaeal / Q000235:genetics*; D019638:Methanomicrobiaceae / Q000235:genetics*; D009584:Nitrogen / Q000378:metabolism
chemical_list: D056804:Biofuels; D019641:DNA, Archaeal; D009584:Nitrogen
keywords: Archaea; Compatible solute; Metagenome; Methanomicrobiales; Nitrogen metabolism