Abstract
Pseudomonas sp. strain MT-1 was the first deep-sea denitrifier isolated and characterized from mud recovered from a depth of 11,000 m in the Mariana Trench. We report here the genome sequence of this bacterium, which contributes to our understanding of denitrification and bioenergetics in the deep sea.
Highlights
Pseudomonas sp. strain MT-1 was the first deep-sea denitrifier isolated and characterized from mud recovered from a depth of 11,000 m in the Mariana Trench
Pseudomonas sp. strain MT-1 is a deep-sea denitrifier isolated from the Challenger Deep of the Mariana Trench (11°22.10=N 142°25.85=E, 10,898 m deep)
From 16S rRNA gene analysis, MT-1 appears to be closely related to Pseudomonas stutzeri and Pseudomonas aeruginosa, but it was shown that P. stutzeri adapts to lower temperatures and higher hydrostatic pressures than does P. aeruginosa [1]
Summary
Pseudomonas sp. strain MT-1 was the first deep-sea denitrifier isolated and characterized from mud recovered from a depth of 11,000 m in the Mariana Trench. Strain MT-1 is a deep-sea denitrifier isolated from the Challenger Deep of the Mariana Trench (11°22.10=N 142°25.85=E, 10,898 m deep). The suitable growth conditions for MT-1 are temperatures between 4 and 45°C (optimal, 32 to 35°C), hydrostatic pressures between 0.1 and 50 MPa (optimal, 0.1 MPa), NaCl concentrations between 0 and 10% (optimal, 1 to 2%), and pH 6 to 10 (optimal, pH 7 to 8). From 16S rRNA gene analysis, MT-1 appears to be closely related to Pseudomonas stutzeri and Pseudomonas aeruginosa, but it was shown that P. stutzeri adapts to lower temperatures and higher hydrostatic pressures than does P. aeruginosa [1].
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