Journal of Microbiology and Biotechnology

The Korean Society for Microbiology and Biotechnology (한국미생물·생명공학회)
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Genome of Betaproteobacterium Caenimonas sp. Strain SL110 Contains a Coenzyme $F_{420}$ Biosynthesis Gene Cluster

  • Li, Xiuling (Shandong Provincial Key Laboratory of Water and Soil Conservation & Environmental Protection, Linyi University) ;
  • Feng, Fuying (Institute for Applied and Environmental Microbiology, Inner Mongolia Agriculture University) ;
  • Zeng, Yonghui (Guangdong Provincial Key Laboratory of Pathogenic Biology and Epidemiology for Aquatic Economic Animals, Guangdong Ocean University)
  • Received : 2014.05.19
  • Accepted : 2014.07.16
  • Published : 2014.11.28
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Abstract

To probe the genomic properties of microbes thriving in desert lakes, we sequenced the full genome of a betaproteobacterial strain (SL110) belonging to the understudied genus Caenimonas of the family Comamonadaceae. This strain was isolated from a freshwater lake in the western Gobi Desert, Northern China. Its genome contains genes encoding carbon monoxide dehydrogenase, nitrate reductase, nitrite reductase, nitric oxide reductase, and sulfur oxidation enzymes, highlighting the potentially important contribution of this group of bacteria to the cycling of inorganic elements in nature. Unexpectedly, a coenzyme $F_{420}$ biosynthesis gene cluster was identified. A further search for $F_{420}$ biosynthesis gene homologs in genomic databases suggests the possible widespread presence of $F_{420}$ biosynthesis gene clusters in proteobacterial genomes.

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