Name: Hydrogenophaga intermedia Contzen et al. 2001

Category: Species

Proposed as: sp. nov.

Etymology: in.ter.me’di.a. L. fem. adj. intermedia, intermediate, referring to the phylogenetic position of this organisms within the genus Hydrogenophaga

Gender: feminine

Type strain: DSM 5680; IAM 14919; JCM 21401; NBRC 102510; S1

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF019037 Analyse FASTA

Effective publication: Contzen M, Moore ER, Blumel S, Stolz A, Kampfer P. Hydrogenophaga intermedia sp. nov., a 4-aminobenzenesulfonate degrading organism. Syst Appl Microbiol 2000; 23:487-493.

IJSEM list: Anonymous. Validation list no. 80. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2001; 51:793-794.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is -0.02474 (N = 32).
  • 😷 The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1.
  • 🎓 Name mentioned 9 times in PubMed until 2024-03-28.
  • 🧍 According to Rules 27(3) and 30, this name is not validly published, because the original publication makes reference to the deposit of the type strain in a single recognized culture collection. However, according to the Judicial Opinion 81, Hydrogenophaga intermedia Contzen et al. 2001 is considered to be validly published, since deposit in a second culture collection in a different country has been documented. Publication: Euzeby JP, Tindall BJ. Status of strains that contravene Rules 27(3) and 30 of the Bacteriological Code. Request for an opinion. Int J Syst Evol Microbiol 2004; 54:293-301.

Parent taxon: Hydrogenophaga Willems et al. 1989

Assigned by: Contzen M, Moore ER, Blumel S, Stolz A, Kampfer P. Hydrogenophaga intermedia sp. nov., a 4-aminobenzenesulfonate degrading organism. Syst Appl Microbiol 2000; 23:487-493.

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Record number: 776946