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UGA-Marine Sciences    Gordon and Betty Moore Foundation   National Science Foundation
 

Silicibacter pomeroyi DSS-3

Ecology and Physiology

A Model Heterotrophic Marine Bacterium

Silicibacter pomeroyi DSS-3 is an α- proteobacterium in the roseobacter clade isolated in 1998 from coastal Georgia seawater by enriching for growth on the organic sulfur compound DMSP (dimethylsulfoniopropionate).

The roseobacter clade is one of about 10 major taxa of marine bacteria that dominate bacterioplankton communities in coastal and open oceans. Unlike most of the major marine groups, S. pomeroyi and its roseobacter relatives are readily cultured from seawater (González and Moran 1997, González et al. 2000, Buchan et al. 2001). S. pomeroyi is serving as a model organism for studies of the biogeochemical, ecological, and physiological strategies of heterotrophic marine bacteria.

For NCBI Genome Page, click here.

TIGR   University of South Alabama   National Science Foundation

General features of the S. pomeroyi genome
Feature
Total number of coding sequiences 4,283
Number of rRNA operons (16S, 23S, 5S) 3
Number of tRNA genes 53
Number of structural RNA genes 2
Proteins similar to proteins of known fuction and role (% of total proteins) 59.7
Proteins of unknown function (% of total proteins) 16.8
Conserved hypothetical proteins (% of total proteins) 15.3
Hypothetical proteins (% of total proteins) 8.2
  Main chromosome Megaplsmid
Molecule lingth (bp) 4,109,442 491,611
G+C content (%) 64.2 62.8
Number of coding sequenes 3,838 445
Average size of coding sequenes (bp) 966 997
Percentage of coding sequence 90.2 90.3
Sequencing status Completed

Roseobacter Genomes

Dinoroseobacter shibae DFL 12 Roseobacter sp. AzwK-3b Roseovarius nubinhibens ISM
Jannaschia sp. CCS1 Roseobacter denitrificans OCh 114 Roseovarius TM1035
Loktanella vestfoldensis SKA53 Roseobacter sp. CCS2 Sagittula stellata E-37
Oceanicola batsensis HTCC2597 Roseobacter sp. MED193 Silicibacter pomeroyi DSS-3
Oceanicola granulosus HTCC2516 Roseobacter RCA clade HTCC2150 Silicibacter sp. TM1040
Rhodobacterales bacterium HTCC2255 Roseobacter SK209-2-6 Sulfitobacter sp. EE-36
Rhodobacterales bacterium HTCC2654 Roseovarius sp. 217 Sulfitobacter NAS-14.1
  Roseovarius sp. HTCC2601  
 

Shulei Sun
Scientific Computing Professional Associate  [shulei@uga.edu]

Dr. Mary Ann Moran
Research Professor Department of Marine Sciences  [mmoran@uga.edu]

University of Georgia
Department of Marine Sciences
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This material is based upon work supported by the National Science Foundation under Grant No. 0315200.

Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s)
and do not necessarily reflect the views of the National Science Foundation.