Dataset Information

Genome Sequence of Piezophilic Bacterium Desulfovibrio profundus Strain 500-1, Isolated from a Deep Sediment Layer in the Japan Sea.

ABSTRACT: Piezophilic Desulfovibrio profundus strain 500-1 was isolated in the Japan Sea from a sediment layer at 500-m depth under a water column of 1,000 m. Here, we report the genome sequence of this strain, which includes a 4,168,905-bp circular chromosome and two plasmids of 42,836 bp and 6,167 bp.

SUBMITTER: Fouteau S

PROVIDER: S-EPMC5668535 | biostudies-literature | 2017 Nov

REPOSITORIES: biostudies-literature

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Publications

Genome Sequence of Piezophilic Bacterium <i>Desulfovibrio profundus</i> Strain 500-1, Isolated from a Deep Sediment Layer in the Japan Sea.

Fouteau Stéphanie S Guerin Thomas T Magdelenat Ghislaine G Roumagnac Marie M Bartoli Manon M Ollivier Bernard B Dolla Alain A Barbe Valérie V Pradel Nathalie N

Genome announcements 20171102 44

Piezophilic <i>Desulfovibrio profundus</i> strain 500-1 was isolated in the Japan Sea from a sediment layer at 500-m depth under a water column of 1,000 m. Here, we report the genome sequence of this strain, which includes a 4,168,905-bp circular chromosome and two plasmids of 42,836 bp and 6,167 bp. ...[more]

PMID: 29097459

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Project description:Hyperthermophiles, living in environments above 80°C and usually coupling with multi-extreme environmental stresses, have drawn great attention due to their application potential in biotechnology and being the primitive extant forms of life. Studies on their survival and adaptation mechanisms have extended our understanding on how lives thrive under extreme conditions. During these studies, the "cross-stress" behavior in various organisms has been observed between the extreme high temperature and other environmental stresses. Despite the broad observation, the global view of the cross-stress behavior remains unclear in hyperthermophiles, leaving a knowledge gap in our understanding of extreme adaptation. In this study, we performed a global quantitative proteomic analysis under extreme temperatures, pH, hydrostatic pressure (HP), and salinity on an archaeal strain, Thermococcus eurythermalis A501, which has outstanding growth capability on a wide range of temperatures (50-100°C), pH (4-9), and HPs (0.1-70 MPa), but a narrow range of NaCl (1.0-5.0 %, w/v). The proteomic analysis (79.8% genome coverage) demonstrated that approximately 61.5% of the significant differentially expressed proteins (DEPs) responded to multiple stresses. The responses to most of the tested stresses were closely correlated, except the responses to high salinity and low temperature. The top three enriched universal responding processes include the biosynthesis and protection of macromolecules, biosynthesis and metabolism of amino acids, ion transport, and binding activities. In addition, this study also revealed that the specific dual-stress responding processes, such as the membrane lipids for both cold and HP stresses and the signal transduction for both hyperosmotic and heat stresses, as well as the sodium-dependent energetic processes might be the limiting factor of the growth range in salinity. The present study is the first to examine the global cross-stress responses in a piezophilic hyperthermophile at the proteomic level. Our findings provide direct evidences of the cross-stress adaptation strategy (33.5% of coding-genes) to multiple stresses and highlight the specific and unique responding processes (0.22-0.63% of coding genes for each) to extreme temperature, pH, salinity, and pressure, which are highly relevant to the fields of evolutionary biology as well as next generation industrial biotechnology (NGIB).

Dataset Information

Genome Sequence of Piezophilic Bacterium Desulfovibrio profundus Strain 500-1, Isolated from a Deep Sediment Layer in the Japan Sea.

Publications

Genome Sequence of Piezophilic Bacterium <i>Desulfovibrio profundus</i> Strain 500-1, Isolated from a Deep Sediment Layer in the Japan Sea.

Similar Datasets

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