Name: Stenotrophomonas maltophilia (Hugh 1981) Palleroni and Bradbury 1993

Category: Species

Proposed as: comb. nov.

Basonym: Pseudomonas maltophilia (ex Hugh and Ryschenkow 1961) Hugh 1981

Etymology: N.L. neut. n. maltum, malt; Gr. fem. n. [φίλια] philia, friendship; N.L. n. maltophilia, intended to mean friend of malt

Gender: feminine

Type strain: ATCC 13637; BCRC 10737; CCM 1640; CCRC 10737; CCUG 559 B; CCUG 5866; CFBP 3035; CGMCC 1.1788; CIP 60.77; DSM 50170; Hugh 810-2; IAM 12423; ICMP 17033; IFO 14161; IMET 10402; JCM 1975; LMG 958; NBRC 14161; NCAIM B.01119; NCCB 68018; NCIB 9203; NCIMB 9203; NCPPB 1974; NCTC 10257; NRC 729; NRRL B-2756; RH 1168; strain Stanier 67; VKM B-591

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: FJ971878 Analyse FASTA

Valid publication: Palleroni NJ, Bradbury JF. Stenotrophomonas, a new bacterial genus for Xanthomonas maltophilia (Hugh 1980) Swings et al. 1983. Int J Syst Bacteriol 1993; 43:606-609.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 43, part 3 of the IJSB. Int J Syst Bacteriol 1993; 43:866.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 2

• Synonyms:

  • Name	Kind
    "Bacterium betle" Ragunathan 1928	heterotypic synonym, not validly published, basonym of name in Approved Lists
    Stenotrophomonas africana Drancourt et al. 1997	heterotypic synonym, validly published under the ICNP
    Pseudomonas maltophilia (ex Hugh and Ryschenkow 1961) Hugh 1981	homotypic synonym, validly published under the ICNP
    Pseudomonas beteli corrig. (Ragunathan 1928) Savulescu 1947 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP
    Pseudomonas betle (Ragunathan 1928) Savulescu 1947 (Approved Lists 1980)	heterotypic synonym, orthographic variant
    Pseudomonas hibiscicola Moniz 1963 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP
    Xanthomonas maltophilia (Hugh 1981) Swings et al. 1983	homotypic synonym, validly published under the ICNP

• Notes:
  • Nomenclatural type of the genus Stenotrophomonas Palleroni and Bradbury 1993. Publication: Palleroni NJ, Bradbury JF. Stenotrophomonas, a new bacterial genus for Xanthomonas maltophilia (Hugh 1980) Swings et al. 1983. Int J Syst Bacteriol 1993; 43:606-609.
  • According to Coenye et al. (2004), this species is an earlier heterotypic synonym of Stenotrophomonas africana Drancourt et al. 1997. Publication: Coenye T, Vanlaere E, Falsen E, Vandamme P. Stenotrophomonas africana Drancourt et al. 1997 is a later synonym of Stenotrophomonas maltophilia (Hugh 1981) Palleroni and Bradbury 1993. Int J Syst Evol Microbiol 2004; 54:1235-1237.
  • According to Van den Mooter and Swings (1990), this species is an earlier heterotypic synonym of Pseudomonas betle (Ragunathan 1928) Savulescu 1947 (Approved Lists 1980) but this is in conflict with the rules of the International Code of Nomenclature of Prokaryotes. Publication: Van den Mooter M, Swings J. Numerical analysis of 295 phenotypic features of 266 Xanthomonas strains and related strains and an improved taxonomy of the genus. Int J Syst Bacteriol 1990; 40:348-369.
  • According to Van den Mooter and Swings (1990), this species is an earlier heterotypic synonym of "Bacterium betle" Ragunathan 1928 but this is in conflict with the rules of the International Code of Nomenclature of Prokaryotes. Publication: Van den Mooter M, Swings J. Numerical analysis of 295 phenotypic features of 266 Xanthomonas strains and related strains and an improved taxonomy of the genus. Int J Syst Bacteriol 1990; 40:348-369.
  • According to Van den Mooter and Swings (1990), this species is an earlier heterotypic synonym of Pseudomonas beteli corrig. (Ragunathan 1928) Savulescu 1947 (Approved Lists 1980) but this is in conflict with the rules of the International Code of Nomenclature of Prokaryotes. Publication: Van den Mooter M, Swings J. Numerical analysis of 295 phenotypic features of 266 Xanthomonas strains and related strains and an improved taxonomy of the genus. Int J Syst Bacteriol 1990; 40:348-369.
  • According to Van den Mooter and Swings (1990), this species is an earlier heterotypic synonym of Pseudomonas hibiscicola Moniz 1963 (Approved Lists 1980) but this is in conflict with the rules of the International Code of Nomenclature of Prokaryotes. Publication: Van den Mooter M, Swings J. Numerical analysis of 295 phenotypic features of 266 Xanthomonas strains and related strains and an improved taxonomy of the genus. Int J Syst Bacteriol 1990; 40:348-369.
  • The full TRBA 466 classification is: risk group = 2, note = "ht".

Parent taxon: Stenotrophomonas Palleroni and Bradbury 1993

Assigned by: Palleroni NJ, Bradbury JF. Stenotrophomonas, a new bacterial genus for Xanthomonas maltophilia (Hugh 1980) Swings et al. 1983. Int J Syst Bacteriol 1993; 43:606-609.

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Record number: 781249