Genus Lawsonia
Warning: In the List of Prokaryotic names with Standing in Nomenclature, an arrow (→) only indicates the sequence of valid publication of names and does not mean that the last name in the sequence must be used (see: Introduction).
Number of species, including synonyms, cited in this file: 1
Number of subspecies, including synonyms, cited in this file: 0
Classification (Warning: see also the file "Classification of prokaryotes: Introduction").
For a detailed description of this taxon see Bergey’s Manual of Systematics of Archaea and Bacteria (BMSAB).
Lawsonia McOrist et al. 1995, gen. nov.
Type species: ¤ Lawsonia intracellularis McOrist et al. 1995.
Etymology: N.L. fem. n. Lawsonia, named after Gordon H.K. Lawson, the Scottish veterinarian who first recognized the organism causing porcine proliferative enteropathy.
Valid publication: McORIST (S.), GEBHART (C.J.), BOID (R.) and BARNS (S.M.): Characterization of Lawsonia intracellularis gen. nov., sp. nov., the obligately intracellular bacterium of porcine proliferative enteropathy. Int. J. Syst. Bacteriol., 1995, 45, 820-825.
Original article in IJSEM Online
Lawsonia intracellularis McOrist et al. 1995, sp. nov. (Type species of the genus.)
Type strain: (see also Global Catalogue of Microorganisms) 1482/89 = NCTC 12656.
Sequence accession no. (16S rRNA gene) for the type strain: L15739.
Etymology: L. prep. intra, within; L. fem. n. cella, a store-room, a chamber and in biology a cell; L. fem. suff. -aris, suffix denoting pertaining to; N.L. fem. adj. intracellularis, intracellular.
Valid publication: McORIST (S.), GEBHART (C.J.), BOID (R.) and BARNS (S.M.): Characterization of Lawsonia intracellularis gen. nov., sp. nov., the obligately intracellular bacterium of porcine proliferative enteropathy. Int. J. Syst. Bacteriol., 1995, 45, 820-825.
Original article in IJSEM Online
Note: Lawsonia intracellularis was previously known as "Ileal symbiont intracellularis" Gebhart et al. 1993, or as ¤ "Candidatus intracellularis" Murray and Stackebrandt 1995.