Name: Diaphorobacter nitroreducens Khan and Hiraishi 2003

Category: Species

Proposed as: sp. nov.

Etymology: ni.tro.re.du’cens. L. neut. n. nitrum, nitrate; L. pres. part. reducens, converting to a different state; N.L. masc. part. adj. nitroreducens, reducing nitrate

Pronunciation (Latin), gender: … ni-tro-re-DU-kens, masculine

Type strain: CIP 107294; DSM 15985; JCM 11421; NA10B

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB064317 Analyse FASTA

Effective publication: Khan ST, Hiraishi A. Diaphorobacter nitroreducens gen nov, sp nov, a poly(3-hydroxybutyrate)-degrading denitrifying bacterium isolated from activated sludge. J Gen Appl Microbiol 2002; 48:299-308. 🇯🇵

IJSEM list: Euzeby JP. Validation list no. 92. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2003; 53:935-937.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Diaphorobacter polyhydroxybutyrativorans Qiu et al. 2015	heterotypic synonym, validly published under the ICNP

• Emendations:
  • Liu and Zhu 2019 Liu Y, Zhu HH. Diaphorobacter polyhydroxybutyrativorans Qiu et al. 2015 is a later heterotypic synonym of Diaphorobacter nitroreducens Khan and Hiraishi 2003. Int J Syst Evol Microbiol 2019; 69:2954-2957. 🇨🇳 Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 69, part 9 of the IJSEM. Int J Syst Evol Microbiol 2019; 69:3663-3665.
    Notes:
    • 🫂 Emendation accompanied by a proposal regarding the synonymy of the species.

• Notes:
  • 🥇 Nomenclatural type of the genus Diaphorobacter Khan and Hiraishi 2003. Publication: Khan ST, Hiraishi A. Diaphorobacter nitroreducens gen nov, sp nov, a poly(3-hydroxybutyrate)-degrading denitrifying bacterium isolated from activated sludge. J Gen Appl Microbiol 2002; 48:299-308. 🇯🇵
  • ⏰ According to Liu and Zhu (2019), this species is an earlier heterotypic synonym of Diaphorobacter polyhydroxybutyrativorans Qiu et al. 2015. Publication: Liu Y, Zhu HH. Diaphorobacter polyhydroxybutyrativorans Qiu et al. 2015 is a later heterotypic synonym of Diaphorobacter nitroreducens Khan and Hiraishi 2003. Int J Syst Evol Microbiol 2019; 69:2954-2957. 🇨🇳
  • 🏢 Synonymy of this taxon was mentioned in an IJSEM list. Publication: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 69, part 9 of the IJSEM. Int J Syst Evol Microbiol 2019; 69:3663-3665.
  • 📧 The e-mail address of the corresponding author given in the effective publication is not functional any more.
  • 😷 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. — 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 16 times in PubMed until 2025-06-04.

Parent taxon: Diaphorobacter Khan and Hiraishi 2003

Assigned by: Khan ST, Hiraishi A. Diaphorobacter nitroreducens gen nov, sp nov, a poly(3-hydroxybutyrate)-degrading denitrifying bacterium isolated from activated sludge. J Gen Appl Microbiol 2002; 48:299-308. 🇯🇵

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Record number: 775759