Species Ectothiorhodospira variabilis

Name: Ectothiorhodospira variabilis Gorlenko et al. 2009

Category, proposed as: species, sp. nov.

Etymology: va.ri.a’bi.lis. L. fem. adj. variabilis, varied, changeable

Pronunciation (Latin), gender: ek-to-t^hi-o-r^ho-do-SPI-ra wa-ri-A-bi-lis, feminine

Type strain: DSM 21381; VKM B-2479; WN22

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AM943121 Analyse FASTA

Valid publication: Gorlenko VM, Bryantseva IA, Rabold S, Tourova TP, Rubtsova D, Smirnova E, Thiel V, Imhoff JF. Ectothiorhodospira variabilis sp. nov., an alkaliphilic and halophilic purple sulfur bacterium from soda lakes. Int J Syst Evol Microbiol 2009; 59:658-664. 🇩🇪

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 59, part 4 of the IJSEM. Int J Syst Evol Microbiol 2009; 59:1557-1558.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.23125 (N = 1).
  • 😷 The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 1. — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
  • 🎓 Name mentioned 2 times in PubMed until 2026-06-11.

Parent taxon: Ectothiorhodospira Pelsh 1936 (Approved Lists 1980)

Assigned by: Gorlenko VM, Bryantseva IA, Rabold S, Tourova TP, Rubtsova D, Smirnova E, Thiel V, Imhoff JF. Ectothiorhodospira variabilis sp. nov., an alkaliphilic and halophilic purple sulfur bacterium from soda lakes. Int J Syst Evol Microbiol 2009; 59:658-664. 🇩🇪

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Record number: 787767