Name: Varunaivibrio sulfuroxidans Patwardhan and Vetriani 2016

Category: Species

Proposed as: sp. nov.

Etymology: sul.fur.o’xi.dans. L. neut. n. sulfur, sulfur (S); N.L. pres. part. oxidans, oxidizing; N.L. masc. part. adj. sulfuroxidans, pertaining to the ability to oxidize sulfur

Pronunciation (Latin), gender: wa-ru-na-i-WI-bri-o sul-fur-O-xi-dans, masculine

Type strain: DSM 101688; JCM 31027; TC 8

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: KU294728 Analyse FASTA

Valid publication: Patwardhan S, Vetriani C. Varunaivibrio sulfuroxidans gen. nov., sp. nov., a facultatively chemolithoautotrophic, mesophilic alphaproteobacterium from a shallow-water gas vent at Tor Caldara, Tyrrhenian Sea. Int J Syst Evol Microbiol 2016; 66:3579-3584. 🇺🇸

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 66, part 9 of the IJSEM. Int J Syst Evol Microbiol 2016; 66:4921-4923.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🥇 Nomenclatural type of the genus Varunaivibrio Patwardhan and Vetriani 2016. Publication: Patwardhan S, Vetriani C. Varunaivibrio sulfuroxidans gen. nov., sp. nov., a facultatively chemolithoautotrophic, mesophilic alphaproteobacterium from a shallow-water gas vent at Tor Caldara, Tyrrhenian Sea. Int J Syst Evol Microbiol 2016; 66:3579-3584. 🇺🇸
  • 😷 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.
  • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project. Publication: Hordt A, Lopez MG, Meier-Kolthoff JP, Schleuning M, Weinhold LM, Tindall BJ, Gronow S, Kyrpides NC, Woyke T, Goker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria. Front Microbiol 2020; 11:468. 🇩🇪

Parent taxon: Varunaivibrio Patwardhan and Vetriani 2016

Assigned by: Patwardhan S, Vetriani C. Varunaivibrio sulfuroxidans gen. nov., sp. nov., a facultatively chemolithoautotrophic, mesophilic alphaproteobacterium from a shallow-water gas vent at Tor Caldara, Tyrrhenian Sea. Int J Syst Evol Microbiol 2016; 66:3579-3584. 🇺🇸

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Record number: 794599