Legionella clemsonensis sp. nov.: a green fluorescing Legionella strain from a patient with pneumonia

Microbiol Immunol. 2016 Oct;60(10):694-701. doi: 10.1111/1348-0421.12439.


A novel Legionella species was identified based on sequencing, cellular fatty acid analysis, biochemical reactions, and biofilm characterization. Strain D5610 was originally isolated from the bronchial wash of a patient in Ohio, USA. The bacteria were gram-negative, rod-shaped, and exhibited green fluorescence under long wave UV light. Phylogenetic analysis and fatty acid composition revealed a distinct separation within the genus. The strain grows between 26-45°C and forms biofilms equivalent to L. pneumophila Philadelphia 1. These characteristics suggest that this isolate is a novel Legionella species, for which the name Legionella clemsonensis sp nov. is proposed.

MeSH terms

  • Fatty Acids / metabolism
  • Genes, Bacterial
  • Humans
  • Legionella / chemistry
  • Legionella / classification*
  • Legionella / genetics
  • Legionella / metabolism
  • Legionellosis / microbiology*
  • Phylogeny
  • Pneumonia, Bacterial / microbiology*
  • Sequence Analysis, DNA


  • Fatty Acids