Ruegeria pomeroyi: Difference between revisions

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[[File:Ruegeriapomeroyi.png|thumb|300px|right|Legend. Image credit: Gonzalez et al. 2003 Int. J. Syst. Evol. Microbiol. 53: 1261-1269.]]
[[File:Ruegeriapomeroyi.png|thumb|300px|right|Transmission electron micrographs of ''Ruegeria Pomeroyi''. Image credit: Gonzalez et al. 2003 Int. J. Syst. Evol. Microbiol. 53: 1261-1269.]]


   
   
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==Description and Significance==
==Description and Significance==


Describe the appearance, Ruegeria pomeroyi is a gram negative, rod shaped, aerobe.
''Ruegeria pomeroyi'' is a gram negative, rod shaped, aerobe. R. ''pomeroyi'' is found in costal oceanic ecosystems. R. ''pomeroyi'' is a key player in these ecosystems because of its ability to breakdown dimethylsulfoniopropionate (DMSP), a sulfur based osmolyte closely associated with algae and seaweed. When breaking down DMSP R. ''pomeroyi'' can use the sulfur to make useful sulfur based amino acids. The real importance of R. ''pomeroyi'' is that even though degrading DMSP is not specific to this species, R. ''pomeroyi'' has been the key to unlocking the genes that are linked to the degradation of DMSP.
habitat, etc. of the organism, and why you think it is important.


==Genome Structure==
==Genome Structure==


R. pomeroyi's chromosome contains 4,109,437 bp and has a circular chromosome, as well as a 491,611 bp circular megaplasmid. The sequence gives a good insight into how R. pomeroyi's role in the carbon cycle in the ocean.
''R. pomeroyi's'' chromosome contains 4,109,437 bp and has a circular chromosome, as well as a 491,611 bp circular megaplasmid. The sequence gives a good insight into how R. pomeroyi's role in the carbon cycle in the ocean.


==Cell Structure, Metabolism and Life Cycle==
==Cell Structure, Metabolism and Life Cycle==


Interesting features of cell structure;
how it gains energy;
what important molecules it produces.


==Ecology and Pathogenesis==
''Ruegeria pomeroyi'' is a Gram-negative, rod-shaped bacterium that exhibits a typical prokaryotic cell structure. Its cellular components are enclosed within a cell envelope composed of an outer membrane, a periplasmic space, and an inner membrane. The inner membrane harbors various metabolic processes and houses essential cellular machinery.


Habitat; symbiosis; biogeochemical significance; contributions to environment.<br>
''R. pomeroyi'' uses Dimethylsulfoniopropionate (DMSP)for its metabolism. This abundant algal osmolyte is a primary carbon source for R. pomeroyi. It can be utilized via two pathways:
DMSP cleavage: DMSP is converted to acrylate, which is further metabolized to pyruvate.
DMSP demethylation: DMSP is converted to methanethiol and dimethylsulfide, which can then be further utilized.


If relevant, how does this organism cause disease? Human, animal, plant hosts? Virulence factors, as well as patient symptoms.<br><br>
==Ecology==


 
 
''Ruegeria pomeroyi'' plays an important role in the marine ecosystem by breaking down dimethylsulfoniopropionate (DMSP), a sulfur-containing compound that is produced by phytoplankton. DMSP is a major source of sulfur in the marine environment, and ''Ruegeria pomeroyi'' is the only known bacterium that can completely degrade it.
 
The breakdown of DMSP by ''Ruegeria pomeroyi'' releases a number of important compounds, including dimethylsulfide (DMS) and methanethiol (MeSH). DMS is a volatile compound that contributes to the formation of clouds and aerosols, and it also plays a role in the regulation of climate. MeSH is a reduced form of sulfur that can be used by other marine organisms, such as phytoplankton and bacteria.


==References==
==References==
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[Rivers, A. R., Smith, C. B., & Moran, M. A. (2014). An Updated genome annotation for the model marine bacterium Ruegeria pomeroyi DSS-3. Standards in genomic sciences, 9, 11. https://doi.org/10.1186/1944-3277-9-11]
[Rivers, A. R., Smith, C. B., & Moran, M. A. (2014). An Updated genome annotation for the model marine bacterium Ruegeria pomeroyi DSS-3. Standards in genomic sciences, 9, 11. https://doi.org/10.1186/1944-3277-9-11]


https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&id=246200&lvl=3&keep=1&srchmode=1&unlock&lin=f&log_op=lineage_toggle


https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&id=246200&lvl=3&keep=1&srchmode=1&unlock&lin=f&log_op=lineage_toggle
[González, J. M.. et al. (2003). Silicibacter pomeroyi sp. nov. and Roseovarius nubinhibens sp. nov., dimethylsulfoniopropionate-demethylating bacteria from marine environments. International Journal of Systematic and Evolutionary Microbiology. 53 (5). https://doi.org/10.1099/ijs.0.02491-0  ]


==Author==
==Author==

Latest revision as of 02:52, 13 December 2023

Ruegeria pomeroyi

This student page has not been curated.
Transmission electron micrographs of Ruegeria Pomeroyi. Image credit: Gonzalez et al. 2003 Int. J. Syst. Evol. Microbiol. 53: 1261-1269.


Classification

Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodobacterales; Roseobacteraceae; Ruegeria; Ruegeria pomeroyi


Species

NCBI: [1]

Ruegeria Ruegeria pomeroyi

Description and Significance

Ruegeria pomeroyi is a gram negative, rod shaped, aerobe. R. pomeroyi is found in costal oceanic ecosystems. R. pomeroyi is a key player in these ecosystems because of its ability to breakdown dimethylsulfoniopropionate (DMSP), a sulfur based osmolyte closely associated with algae and seaweed. When breaking down DMSP R. pomeroyi can use the sulfur to make useful sulfur based amino acids. The real importance of R. pomeroyi is that even though degrading DMSP is not specific to this species, R. pomeroyi has been the key to unlocking the genes that are linked to the degradation of DMSP.

Genome Structure

R. pomeroyi's chromosome contains 4,109,437 bp and has a circular chromosome, as well as a 491,611 bp circular megaplasmid. The sequence gives a good insight into how R. pomeroyi's role in the carbon cycle in the ocean.

Cell Structure, Metabolism and Life Cycle

Ruegeria pomeroyi is a Gram-negative, rod-shaped bacterium that exhibits a typical prokaryotic cell structure. Its cellular components are enclosed within a cell envelope composed of an outer membrane, a periplasmic space, and an inner membrane. The inner membrane harbors various metabolic processes and houses essential cellular machinery.

R. pomeroyi uses Dimethylsulfoniopropionate (DMSP)for its metabolism. This abundant algal osmolyte is a primary carbon source for R. pomeroyi. It can be utilized via two pathways: DMSP cleavage: DMSP is converted to acrylate, which is further metabolized to pyruvate. DMSP demethylation: DMSP is converted to methanethiol and dimethylsulfide, which can then be further utilized.

Ecology

Ruegeria pomeroyi plays an important role in the marine ecosystem by breaking down dimethylsulfoniopropionate (DMSP), a sulfur-containing compound that is produced by phytoplankton. DMSP is a major source of sulfur in the marine environment, and Ruegeria pomeroyi is the only known bacterium that can completely degrade it.

The breakdown of DMSP by Ruegeria pomeroyi releases a number of important compounds, including dimethylsulfide (DMS) and methanethiol (MeSH). DMS is a volatile compound that contributes to the formation of clouds and aerosols, and it also plays a role in the regulation of climate. MeSH is a reduced form of sulfur that can be used by other marine organisms, such as phytoplankton and bacteria.

References

[Rivers, A. R., Smith, C. B., & Moran, M. A. (2014). An Updated genome annotation for the model marine bacterium Ruegeria pomeroyi DSS-3. Standards in genomic sciences, 9, 11. https://doi.org/10.1186/1944-3277-9-11]

https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&id=246200&lvl=3&keep=1&srchmode=1&unlock&lin=f&log_op=lineage_toggle

[González, J. M.. et al. (2003). Silicibacter pomeroyi sp. nov. and Roseovarius nubinhibens sp. nov., dimethylsulfoniopropionate-demethylating bacteria from marine environments. International Journal of Systematic and Evolutionary Microbiology. 53 (5). https://doi.org/10.1099/ijs.0.02491-0 ]

Author

Page authored by Duncan Wall, student of Prof. Bradley Tolar at UNC Wilmington.