Genomics of an extreme psychrophile, Psychromonas ingrahamii
© 2008 Riley et al. This is an Open Access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The definitive version was published in BMC Genomics...
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ftwhoas:oai:darchive.mblwhoilibrary.org:1912/2269 2023-05-15T18:18:12+02:00 Genomics of an extreme psychrophile, Psychromonas ingrahamii Riley, Monica Staley, James T. Danchin, Antoine Wang, Ting Zhang Brettin, Thomas S. Hauser, Loren J. Land, Miriam L. Thompson, Linda S. 2008-05-06 application/vnd.ms-excel application/pdf https://hdl.handle.net/1912/2269 en eng BioMed Central https://doi.org/10.1186/1471-2164-9-210 BMC Genomics 9 (2008): 210 https://hdl.handle.net/1912/2269 doi:10.1186/1471-2164-9-210 Attribution 2.0 Generic http://creativecommons.org/licenses/by/2.0 CC-BY BMC Genomics 9 (2008): 210 doi:10.1186/1471-2164-9-210 Article 2008 ftwhoas https://doi.org/10.1186/1471-2164-9-210 2022-05-28T22:57:33Z © 2008 Riley et al. This is an Open Access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The definitive version was published in BMC Genomics 9 (2008): 210, doi:10.1186/1471-2164-9-210. The genome sequence of the sea-ice bacterium Psychromonas ingrahamii 37, which grows exponentially at -12C, may reveal features that help to explain how this extreme psychrophile is able to grow at such low temperatures. Determination of the whole genome sequence allows comparison with genes of other psychrophiles and mesophiles. Correspondence analysis of the composition of all P. ingrahamii proteins showed that (1) there are 6 classes of proteins, at least one more than other bacteria, (2) integral inner membrane proteins are not sharply separated from bulk proteins suggesting that, overall, they may have a lower hydrophobic character, and (3) there is strong opposition between asparagine and the oxygen-sensitive amino acids methionine, arginine, cysteine and histidine and (4) one of the previously unseen clusters of proteins has a high proportion of "orphan" hypothetical proteins, raising the possibility these are cold-specific proteins. Based on annotation of proteins by sequence similarity, (1) P. ingrahamii has a large number (61) of regulators of cyclic GDP, suggesting that this bacterium produces an extracellular polysaccharide that may help sequester water or lower the freezing point in the vicinity of the cell. (2) P. ingrahamii has genes for production of the osmolyte, betaine choline, which may balance the osmotic pressure as sea ice freezes. (3) P. ingrahamii has a large number (11) of three-subunit TRAP systems that may play an important role in the transport of nutrients into the cell at low temperatures. (4) Chaperones and stress proteins may play a critical role in transforming nascent polypeptides into 3-dimensional configurations that permit low ... Article in Journal/Newspaper Sea ice Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server) Riley ENVELOPE(-147.617,-147.617,-86.183,-86.183) BMC Genomics 9 1 210 |
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Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server) |
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ftwhoas |
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English |
description |
© 2008 Riley et al. This is an Open Access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The definitive version was published in BMC Genomics 9 (2008): 210, doi:10.1186/1471-2164-9-210. The genome sequence of the sea-ice bacterium Psychromonas ingrahamii 37, which grows exponentially at -12C, may reveal features that help to explain how this extreme psychrophile is able to grow at such low temperatures. Determination of the whole genome sequence allows comparison with genes of other psychrophiles and mesophiles. Correspondence analysis of the composition of all P. ingrahamii proteins showed that (1) there are 6 classes of proteins, at least one more than other bacteria, (2) integral inner membrane proteins are not sharply separated from bulk proteins suggesting that, overall, they may have a lower hydrophobic character, and (3) there is strong opposition between asparagine and the oxygen-sensitive amino acids methionine, arginine, cysteine and histidine and (4) one of the previously unseen clusters of proteins has a high proportion of "orphan" hypothetical proteins, raising the possibility these are cold-specific proteins. Based on annotation of proteins by sequence similarity, (1) P. ingrahamii has a large number (61) of regulators of cyclic GDP, suggesting that this bacterium produces an extracellular polysaccharide that may help sequester water or lower the freezing point in the vicinity of the cell. (2) P. ingrahamii has genes for production of the osmolyte, betaine choline, which may balance the osmotic pressure as sea ice freezes. (3) P. ingrahamii has a large number (11) of three-subunit TRAP systems that may play an important role in the transport of nutrients into the cell at low temperatures. (4) Chaperones and stress proteins may play a critical role in transforming nascent polypeptides into 3-dimensional configurations that permit low ... |
format |
Article in Journal/Newspaper |
author |
Riley, Monica Staley, James T. Danchin, Antoine Wang, Ting Zhang Brettin, Thomas S. Hauser, Loren J. Land, Miriam L. Thompson, Linda S. |
spellingShingle |
Riley, Monica Staley, James T. Danchin, Antoine Wang, Ting Zhang Brettin, Thomas S. Hauser, Loren J. Land, Miriam L. Thompson, Linda S. Genomics of an extreme psychrophile, Psychromonas ingrahamii |
author_facet |
Riley, Monica Staley, James T. Danchin, Antoine Wang, Ting Zhang Brettin, Thomas S. Hauser, Loren J. Land, Miriam L. Thompson, Linda S. |
author_sort |
Riley, Monica |
title |
Genomics of an extreme psychrophile, Psychromonas ingrahamii |
title_short |
Genomics of an extreme psychrophile, Psychromonas ingrahamii |
title_full |
Genomics of an extreme psychrophile, Psychromonas ingrahamii |
title_fullStr |
Genomics of an extreme psychrophile, Psychromonas ingrahamii |
title_full_unstemmed |
Genomics of an extreme psychrophile, Psychromonas ingrahamii |
title_sort |
genomics of an extreme psychrophile, psychromonas ingrahamii |
publisher |
BioMed Central |
publishDate |
2008 |
url |
https://hdl.handle.net/1912/2269 |
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ENVELOPE(-147.617,-147.617,-86.183,-86.183) |
geographic |
Riley |
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Riley |
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Sea ice |
genre_facet |
Sea ice |
op_source |
BMC Genomics 9 (2008): 210 doi:10.1186/1471-2164-9-210 |
op_relation |
https://doi.org/10.1186/1471-2164-9-210 BMC Genomics 9 (2008): 210 https://hdl.handle.net/1912/2269 doi:10.1186/1471-2164-9-210 |
op_rights |
Attribution 2.0 Generic http://creativecommons.org/licenses/by/2.0 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1186/1471-2164-9-210 |
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BMC Genomics |
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9 |
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1 |
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210 |
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