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Geminicoccus roseus gen. nov., sp. nov., an aerobic phototrophic Alphaproteobacterium isolated from a marine aquaculture biofilter

Title data

Fösel, Bärbel U. ; Gößner, Anita S. ; Drake, Harold L. ; Schramm, Andreas:
Geminicoccus roseus gen. nov., sp. nov., an aerobic phototrophic Alphaproteobacterium isolated from a marine aquaculture biofilter.
In: Systematic and Applied Microbiology. Vol. 30 (2007) Issue 8 . - pp. 581-586.
ISSN 0723-2020
DOI: https://doi.org/10.1016/j.syapm.2007.05.005

Abstract in another language

A Gram-negative, strictly aerobic, diplococcoid bacterium (strain D2-3T) was isolated from the biofilter of a recirculating marine aquaculture system. Phylogenetic analysis of the 16S rRNA gene sequence of D2-3T indicated that the new organism occupied a novel lineage within the a-1 subclass of Proteobacteria and was related to the genera Rhodothalassium, Azospirillum, Craurococcus, Acidiphilium, and Tistrella. The highest sequence similarity (90.8%) of the 16S rRNA gene sequence of D2-3T was to that of Candidatus ‘‘Alysiosphaera europaea’’. D2-3T was mesophilic, heterotrophic, required sea salt, and had a pH optimum of 8.0. Growth in the presence of light resulted in the formation of pink colonies, a 25% increased cell yield, and a slightly increased growth rate. D2-3T contained carotenoids and low amounts of bacteriochlorophyll a. Membranes of D2-3T contained b-type cytochromes. The G+C content of the DNA was 60.370.1 mol%. Phylogenetic, morphological, physiological, and biochemical analyses demonstrated that D2-3T represented a new aerobic phototrophic genus, for which the name Geminicoccus roseus gen. nov., sp. nov. is proposed for the type species (D2-3T = DSM 18922T = ATCC BAA-1445T).

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER51874
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Ecological Microbiology
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 29 Jul 2015 05:53
Last Modified: 29 Jul 2015 05:53
URI: https://eref.uni-bayreuth.de/id/eprint/17395