Description of four novel species of Xenorhabdus, family Enterobacteriaceae: Xenorhabdus budapestensis sp. nov., Xenorhabdus ehlersii sp. nov., Xenorhabdus innexi sp. nov., and Xenorhabdus szentirmaii sp. nov

Syst Appl Microbiol. 2005 Mar;28(2):115-22. doi: 10.1016/j.syapm.2004.10.004.


The taxonomic affiliation was determined for four Xenorhabdus strains isolated from four Steinernema hosts from different countries. As compared to the five validly described Xenorhabdus species, i.e., X. nematophila, X. japonica, X. beddingii, X. bovienii and X. poinarii, these isolates represented novel species on the basis of 16S rRNA gene sequences and riboprint patterns, as well as by physiological and metabolic properties. They were named Xenorhabdus budapestensis sp. nov., type strain DSM 16342T, isolated from Steinernema bicornutam; Xenorhabdus ehlersii sp. nov., type strain DSM 16337T, isolated from Steinernema serratum; Xenorhabdus innexi sp. nov., type strain DSM 16336T isolated from Steinernema scapterisci; and Xenorhabdus szentirmaii sp. nov., type strain DSM 16338T, isolated from Steinernema rarum.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Animals
  • Bacterial Typing Techniques
  • DNA, Bacterial / analysis
  • DNA, Ribosomal / analysis
  • Enterobacteriaceae / classification
  • Genes, rRNA
  • Molecular Sequence Data
  • Phylogeny
  • RNA, Ribosomal, 16S / genetics
  • Rhabditida / microbiology*
  • Ribotyping
  • Sequence Analysis, DNA
  • Species Specificity
  • Symbiosis
  • Xenorhabdus / classification*
  • Xenorhabdus / genetics
  • Xenorhabdus / metabolism
  • Xenorhabdus / physiology


  • DNA, Bacterial
  • DNA, Ribosomal
  • RNA, Ribosomal, 16S

Associated data

  • GENBANK/AJ102292
  • GENBANK/AJ102293
  • GENBANK/AJ102394
  • GENBANK/AJ102395