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Proteome Analysis of Methanococcus maripaludis

ABSTRACT: The microbiologically influenced corrosion is one of the serious problems in petroleum tanks. It was found that the methanogenic archaea Methanococcus maripaludis OS7 isolated from the inside of petroleum tanks has the iron corrosive property. To identify the genes related to the iron corrosion, we have performed proteome analysis of iron-corrosive archaeon M. maripaludis OS7 and its corrosion-defective mutant.

ORGANISM(S): Methanococcus Maripaludis

SUBMITTER: Kazumi Sasaki

PROVIDER: PXD010311 | JPOST Repository | Thu Oct 04 00:00:00 BST 2018

REPOSITORIES: jPOST

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An extracellular [NiFe] hydrogenase mediating iron corrosion is encoded in a genetically unstable genomic island in Methanococcus maripaludis.

Tsurumaru Hirohito H Ito Naofumi N Mori Koji K Wakai Satoshi S Uchiyama Taku T Iino Takao T Hosoyama Akira A Ataku Hanako H Nishijima Keiko K Mise Miyako M Shimizu Ai A Harada Takeshi T Horikawa Hiroshi H Ichikawa Natsuko N Sekigawa Tomohiro T Jinno Koji K Tanikawa Satoshi S Yamazaki Jun J Sasaki Kazumi K Yamazaki Syuji S Fujita Nobuyuki N Harayama Shigeaki S

Scientific reports 20181011 1

Certain methanogens deteriorate steel surfaces through a process called microbiologically influenced corrosion (MIC). However, the mechanisms of MIC, whereby methanogens oxidize zerovalent iron (Fe0), are largely unknown. In this study, Fe0-corroding Methanococcus maripaludis strain OS7 and its derivative (strain OS7mut1) defective in Fe0-corroding activity were isolated. Genomic analysis of these strains demonstrated that the strain OS7mut1 contained a 12-kb chr ...[more]

PMID: 30310166

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