Sphingomonas alaskensis sp. nov., a dominant bacterium from a marine oligotrophic environment

Int J Syst Evol Microbiol. 2001 Jan;51(Pt 1):73-79. doi: 10.1099/00207713-51-1-73.


Seven Gram-negative strains, isolated in 1990 from a 10(6)-fold dilution series of seawater from Resurrection Bay, a deep fjord of the Gulf of Alaska, were identified in a polyphasic taxonomic study. Analysis of 16S rDNA sequences and DNA-homology studies confirmed the phylogenetic position of all strains in the genus Sphingomonas and further indicated that all of the strains constitute a single homogeneous genomic species, distinct from all validly described Sphingomonas species. The ability to differentiate the species, both phenotypically and chemotaxonomically, from its nearest neighbours justifies the proposal of a new species name, Sphingomonas alaskensis sp. nov., for this taxon. Strain LMG 18877T (= RB2256T = DSM 13593T) was selected as the type strain.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Bacterial Typing Techniques
  • Base Composition
  • DNA, Bacterial / chemistry
  • DNA, Bacterial / genetics
  • DNA, Ribosomal / chemistry
  • DNA, Ribosomal / genetics
  • Fatty Acids / analysis
  • Molecular Sequence Data
  • Nucleic Acid Hybridization
  • Phenotype
  • Phylogeny
  • RNA, Ribosomal, 16S / genetics
  • Seawater / microbiology*
  • Sequence Analysis, DNA
  • Sphingomonas / chemistry
  • Sphingomonas / classification*
  • Sphingomonas / genetics*
  • Sphingomonas / isolation & purification


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

Associated data

  • GENBANK/AF145752
  • GENBANK/AF145753
  • GENBANK/AF145754