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Description |
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Idiomarina loihiensis is a deep-sea Gamma-proteobacterium. The
bacterial genome encodes diverse peptidases, a variety of peptide and amino acid
uptake systems, and versatile signal transduction machinery. In contrast to
obligate anaerobic vent hyperthermophiles, I. loihiensis inhabits
partially oxygenated cold waters at the periphery of the vent, surviving a wide
range of growth temperatures (from 4°C to 46°C) and salinities (from 0.5% to 20%
NaCl). The source of amino acids for I. loihiensis growth is the
proteinaceous particles, present in the deep sea hydrothermal vent waters. The
microbe is an opportunistic colonizer of proteinaceous particles in the deep-sea
hydrothermal vent waters and colonizes these particles by using the secreted
exopolysaccharide, digest these proteins and metabolize the resulting peptides
and amino acids [...] |
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References:
1. Mechanisms of glutamate cysteine ligase (GCL) induction by 4-hydroxynonenal.Iles KE, Liu RM.Free Radic Biol Med. 2005 Mar 1; 38(5):547-562. Genome sequence of the deep-sea gamma-proteobacterium Idiomarina loihiensis reveals amino acid fermentation as a source of carbon and energy.Hou S, Saw JH, Lee KS, Freitas TA, Belisle C, Kawarabayasi Y, Donachie SP, Pikina A, Galperin MY, Koonin EV, Aizawa S, Shibata S, Malahoff A, Alam M et al.Proc Natl Acad Sci U S A. 2004 Dec 28; 101(52):18036-41
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