Rhodoluna
Scientific classification Edit this classification
Domain: Bacteria
Phylum: Actinomycetota
Class: Actinomycetia
Order: Micrococcales
Family: Microbacteriaceae
Genus: Rhodoluna
Hahn et al. 2014[1]
Type species
Rhodoluna lacicola
Hahn et al. 2014
Species[2]
  • R. lacicola Hahn et al. 2014
  • R. limnophila Pitt et al. 2019

Rhodoluna is a Gram-positive, non-spore-forming and non-motile genus of bacteria from the family of Microbacteriaceae.[3] The type strain of the only species Rhodoluna lacicola encodes an actinorhodopsin, which is a light-diven proton pump enabling light energy conversion,[4] potentially resulting in a mixotrophic physiology. The type strain of R. lacicola was isolated from Lake Tai (Lake Taihu) in China. The type strain MWH-Ta8 is remarkable for its very small cell size ultramicrobacterium and its small genome size of only 1.4 Mbp. The type strain has a planktonic lifestyle, that is freely floating the water column of aquatic systems. Currently, the genus Rhodoluna contains two described species (R. lacicola and R. limnophila[5]).

References

  1. ↑ Hahn MW, Schmidt J, Taipale SJ, Doolittle WF, Koll U. (2014). "Rhodoluna lacicola gen. nov., sp. nov., a planktonic freshwater bacterium with stream-lined genome". Int. J. Syst. Evol. Microbiol. 64: 3254–3263. doi:10.1099/ijs.0.065292-0. PMC 4156110. PMID 24984700.
  2. ↑ Parte, A.C. "Rhodoluna". LPSN.
  3. ↑ Hahn M. W. (2016). Rhodoluna, 1–9 DOI: 10.1002/9781118960608.gbm01312, In: Whitman, W.B. (ed.) Bergey's Manual of Systematics of Archaea and Bacteria, Wiley Online ISBN 9781118960608
  4. ↑ Keffer J.L., Hahn M.W., Maresca J.A. (2015). Characterization of an unconventional rhodopsin from the freshwater Actinobacterium Rhodoluna lacicola. J. Bacteriol. 197(16) 2704-2712 doi:10.1128/JB.00386-15
  5. ↑ Pitt A, Schmidt J, Koll U, Hahn MW. Rhodoluna limnophila sp. nov., a bacterium with 1.4 Mbp genome size isolated from freshwater habitats located in Salzburg, Austria. Int J Syst Evol Microbiol 2019; 69:3946-3954


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