Name: Photorhabdus luminescens subsp. kayaii Hazir et al. 2004

Category: Subspecies

Proposed as: subsp. nov.

Etymology: ka.ya’i.i. N.L. gen. masc. n. kayaii, of Kaya, to honour Harry K. Kaya for his scientific contributions to the biology of entomopathogenic nematodes and biological control agents

Gender: feminine

Type strain: 1121; DSM 15194; NCIMB 13951

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ560630 Analyse FASTA

Effective publication: Hazir S, Stackebrandt E, Lang E, Schumann P, Ehlers RU, Keskin N. Two new subspecies of Photorhabdus luminescens, isolated from Heterorhabditis bacteriophora (Nematoda: Heterorhabditidae): Photorhabdus luminescens subsp. kayaii subsp. nov. and Photorhabdus luminescens subsp. thracensis subsp. nov. Syst Appl Microbiol 2004; 27:36-42.

IJSEM list: Euzeby JP. Validation list no. 98. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2004; 54:1005-1006.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Photorhabdus kayaii (Hazir et al. 2004) Machado et al. 2018

Risk group: 1

• Synonyms:

  • Name	Kind
    Photorhabdus kayaii (Hazir et al. 2004) Machado et al. 2018	homotypic synonym, validly published under the ICNP, distinct rank

• Notes:
  • ❗ Photorhabdus luminescens subsp. kayaii is the correct name instead if this subspecies is regarded as a separate subspecies (i.e., if its nomenclatural type is not assigned to another subspecies whose name is validly published, legitimate and not rejected and has priority) within a separate species Photorhabdus luminescens within a separate genus Photorhabdus.
  • 😷 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, note = "n".

Parent taxon: Photorhabdus luminescens (Thomas and Poinar 1979) Boemare et al. 1993

Assigned by: Hazir S, Stackebrandt E, Lang E, Schumann P, Ehlers RU, Keskin N. Two new subspecies of Photorhabdus luminescens, isolated from Heterorhabditis bacteriophora (Nematoda: Heterorhabditidae): Photorhabdus luminescens subsp. kayaii subsp. nov. and Photorhabdus luminescens subsp. thracensis subsp. nov. Syst Appl Microbiol 2004; 27:36-42.

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Record number: 779541