Genome streamlining in a cosmopolitan oceanic bacterium.

by: SJ Giovannoni, HJ Tripp, S Givan, M Podar, KL Vergin, D Baptista, L Bibbs, J Eads, TH Richardson, M Noordewier, MS Rappé, JM Short, JC Carrington, EJ Mathur

Science, Vol. 309, No. 5738. (19 August 2005), pp. 1242-1245.

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Abstract

The SAR11 clade consists of very small, heterotrophic marine alpha-proteobacteria that are found throughout the oceans, where they account for about 25% of all microbial cells. Pelagibacter ubique, the first cultured member of this clade, has the smallest genome and encodes the smallest number of predicted open reading frames known for a free-living microorganism. In contrast to parasitic bacteria and archaea with small genomes, P. ubique has complete biosynthetic pathways for all 20 amino acids and all but a few cofactors. P. ubique has no pseudogenes, introns, transposons, extrachromosomal elements, or inteins; few paralogs; and the shortest intergenic spacers yet observed for any cell.

@article{citeulike:300019, abstract = {The SAR11 clade consists of very small, heterotrophic marine alpha-proteobacteria that are found throughout the oceans, where they account for about 25\% of all microbial cells. Pelagibacter ubique, the first cultured member of this clade, has the smallest genome and encodes the smallest number of predicted open reading frames known for a free-living microorganism. In contrast to parasitic bacteria and archaea with small genomes, P. ubique has complete biosynthetic pathways for all 20 amino acids and all but a few cofactors. P. ubique has no pseudogenes, introns, transposons, extrachromosomal elements, or inteins; few paralogs; and the shortest intergenic spacers yet observed for any cell.}, address = {Department of Microbiology, Oregon State University, Corvallis, OR 97331, USA. steve.giovannoni@oregonstate.edu}, author = {Giovannoni, S. J. and Tripp, H. J. and Givan, S. and Podar, M. and Vergin, K. L. and Baptista, D. and Bibbs, L. and Eads, J. and Richardson, T. H. and Noordewier, M. and Rapp\'{e}, M. S. and Short, J. M. and Carrington, J. C. and Mathur, E. J. }, citeulike-article-id = {300019}, doi = {http://dx.doi.org/10.1126/science.1114057}, issn = {1095-9203}, journal = {Science}, keywords = {sar11}, month = {August}, number = {5738}, pages = {1242--1245}, posted-at = {2008-05-10 19:56:25}, priority = {2}, title = {Genome streamlining in a cosmopolitan oceanic bacterium.}, url = {http://dx.doi.org/10.1126/science.1114057}, volume = {309}, year = {2005} }

RIS record

TY - JOUR ID - citeulike:300019 L3 - citeulike-article-id:300019 TI - Genome streamlining in a cosmopolitan oceanic bacterium. JF - Science VL - 309 IS - 5738 SP - 1242 EP - 1245 AD - Department of Microbiology, Oregon State University, Corvallis, OR 97331, USA. steve.giovannoni@oregonstate.edu SN - 1095-9203 N2 - The SAR11 clade consists of very small, heterotrophic marine alpha-proteobacteria that are found throughout the oceans, where they account for about 25% of all microbial cells. Pelagibacter ubique, the first cultured member of this clade, has the smallest genome and encodes the smallest number of predicted open reading frames known for a free-living microorganism. In contrast to parasitic bacteria and archaea with small genomes, P. ubique has complete biosynthetic pathways for all 20 amino acids and all but a few cofactors. P. ubique has no pseudogenes, introns, transposons, extrachromosomal elements, or inteins; few paralogs; and the shortest intergenic spacers yet observed for any cell. KW - sar11 AU - Giovannoni, SJ AU - Tripp, HJ AU - Givan, S AU - Podar, M AU - Vergin, KL AU - Baptista, D AU - Bibbs, L AU - Eads, J AU - Richardson, TH AU - Noordewier, M AU - Rappé, MS AU - Short, JM AU - Carrington, JC AU - Mathur, EJ PY - 2005/08/19/ UR - http://dx.doi.org/10.1126/science.1114057 ER -

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