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In taxonomy, Roseobacter is a genus of the Rhodobacteraceae. The Roseobacter clade falls within the {alpha}-3 subclass of the class Alphaproteobacteria. The first strain descriptions appeared in 1991 which described members Roseobacterlitoralis and Roseobacterdenitrificans, both pink-pigmented bacteriochlorophyll a-producing strains isolated from marine algae. The role members of the Roseobacter lineage play in marine biogeochemical cycles and climate change cannot be overestimated. Roseobacters make up 25% of coastal marine bacteria and members of this lineage process a significant portion of the total carbon in the marine environment. Roseobacter clade plays an important role in global carbon and sulphur cycles. It can also degrade aromatic compounds, uptake trace metal, and form symbiotic relationship. In term of its application, Roseobacter clade produces bioactive compounds, has been used widely in aquaculture and quorum sensing.
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Roseobacter litoralis is a species of aerobic pink-pigmented bacteria. It contains Bacteriochlorophyll a. It contains spheroidenone, does not synthesize bacteriochlorophyll anaerobically, but shows aerobic phototrophic activity. It is also considered a photosynthetic marine bacterium. Cells are ovoid or rod-shaped and motile by subpolar flagella. R. litoralis does not reduce nitrate, while R. dentrificans does. R. litoralis can be found in marine seaweed.
Roseobacter denitrificans is a species of aerobic pink-pigmented bacteria. It contains Bacteriochlorophyll a. It contains spheroidenone, does not synthesize bacteriochlorophyll anaerobically, but shows aerobic phototrophic activity. Cells are ovoid or rod-shaped and motile by subpolar flagella. R. litoralis does not reduce nitrate, while R. denitrificans does.
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References
- ↑ Buchan, Alison. "The Buchan Lab at UTK". Molecular Microbial Ecology. Alison Buchan. Retrieved January 22, 2023.
- ↑ "Alison Buchan, Ph.D." ASM.org. Retrieved 2023-01-22.
- ↑ Buchan, Alison; Neidle, Ellen L.; Moran, Mary Ann (2004). "Diverse Organization of Genes of the β-Ketoadipate Pathway in Members of the Marine Roseobacter Lineage". Applied and Environmental Microbiology. 70 (3): 1658–1668. Bibcode:2004ApEnM..70.1658B. doi:10.1128/AEM.70.3.1658-1668.2004. ISSN 0099-2240. PMC 368412 . PMID 15006791.
- ↑ Buchan, Alison; Collier, Lauren S.; Neidle, Ellen L.; Moran, Mary Ann (2000). "Key Aromatic-Ring-Cleaving Enzyme, Protocatechuate 3,4-Dioxygenase, in the Ecologically Important Marine Roseobacter Lineage". Applied and Environmental Microbiology. 66 (11): 4662–4672. Bibcode:2000ApEnM..66.4662B. doi:10.1128/AEM.66.11.4662-4672.2000. ISSN 0099-2240. PMC 92364 . PMID 11055908.
- ↑ Cude, W. Nathan; Mooney, Jason; Tavanaei, Arash A.; Hadden, Mary K.; Frank, Ashley M.; Gulvik, Christopher A.; May, Amanda L.; Buchan, Alison (2012-07-15). "Production of the Antimicrobial Secondary Metabolite Indigoidine Contributes to Competitive Surface Colonization by the Marine Roseobacter Phaeobacter sp. Strain Y4I". Applied and Environmental Microbiology. 78 (14): 4771–4780. Bibcode:2012ApEnM..78.4771C. doi:10.1128/AEM.00297-12. ISSN 0099-2240. PMC 3416362 . PMID 22582055.
- ↑ Ankrah, Nana Yaw D.; May, Amanda L.; Middleton, Jesse L.; Jones, Daniel R.; Hadden, Mary K.; Gooding, Jessica R.; LeCleir, Gary R.; Wilhelm, Steven W.; Campagna, Shawn R.; Buchan, Alison (2014). "Phage infection of an environmentally relevant marine bacterium alters host metabolism and lysate composition". The ISME Journal. 8 (5): 1089–1100. Bibcode:2014ISMEJ...8.1089A. doi:10.1038/ismej.2013.216. ISSN 1751-7370. PMC 3996693 . PMID 24304672.
- ↑ Buchan, Alison; LeCleir, Gary R.; Gulvik, Christopher A.; González, José M. (2014). "Master recyclers: features and functions of bacteria associated with phytoplankton blooms". Nature Reviews Microbiology. 12 (10): 686–698. doi:10.1038/nrmicro3326. ISSN 1740-1534. PMID 25134618. S2CID 26684717.
- ↑ Cookson, Clive (2019-02-18). "Researchers plan to enlist ocean viruses in climate change fight". Financial Times. Retrieved 2023-01-28.
- ↑ "65 Fellows Elected into the American Academy of Microbiology". February 15, 2022.
- ↑ "SEC Announces Dr. Alison Buchan Wins 2022 Faculty Achievement Award for University of Tennessee". SECU. March 28, 2022. Retrieved 2023-01-28.
