Name: Hyphomicrobium indicum Johnson and Weisrock 1969 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: in’di.cum. L. neut. adj. indicum, of India, Indian (isolated from the Indian Ocean)

Pronunciation (Latin), gender: hy-p^ho-mi-KRO-bi-um IN-di-kum, neuter

Type strain: ATCC 19614; DSM 5151; IFO 14233; MBIC 3157; NBRC 14233

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB016982 Analyse FASTA

Effective publication: Johnson RM, Weisrock WP. Hyphomicrobium indicum sp. nov. (Hyphomicrobiaceae Douglas). International Journal of Systematic Bacteriology 1969; 19:295-307.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Photobacterium indicum (Johnson and Weisrock 1969) Ivanova et al. 2004

Risk group: 1

• Synonyms:

  • Name	Kind
    Photobacterium indicum (Johnson and Weisrock 1969) Xie and Yokota 2004	homotypic synonym, validly published under the ICNP, illegitimate name
    Photobacterium indicum (Johnson and Weisrock 1969) Ivanova et al. 2004	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Hyphomicrobium indicum is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Hyphomicrobium.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — 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 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.
  • 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this species. The name is on LoRN because of the recorded risk group of the genus.

Parent taxon: Hyphomicrobium Stutzer and Hartleb 1899 (Approved Lists 1980)

Assigned by: Johnson RM, Weisrock WP. Hyphomicrobium indicum sp. nov. (Hyphomicrobiaceae Douglas). International Journal of Systematic Bacteriology 1969; 19:295-307.

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Record number: 776976