Name: Allochromatium Imhoff et al. 1998

Category: Genus

Proposed as: gen. nov.

Etymology: Al.lo.chro.ma’ti.um. Gr. masc. pron. allos, another, the other; N.L. neut. n. Chromatium, a genus name; N.L. neut. n. Allochromatium, the other Chromatium

Gender, pronunciation: neuter (stem: Allochromati-), al-lo-k^hro-MA-ti-um

Type species: Allochromatium vinosum (Ehrenberg 1838) Imhoff et al. 1998

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Imhoff JF, Suling J, Petri R. Phylogenetic relationships among the Chromatiaceae, their taxonomic reclassification and description of the new genera Allochromatium, Halochromatium, Isochromatium, Marichromatium, Thiococcus, Thiohalocapsa and Thermochromatium. Int J Syst Bacteriol 1998; 48:1129-1143. 🇩🇪

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 48, part 4 of the IJSB. Int J Syst Bacteriol 1999; 49:5-6.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Notes:
  • 🚋 The type species of this genus has alternatively been placed in the genus [Monas]. Publication: Ehrenberg CG. Die Infusionsthierchen als vollkommene Organismen. L. Voss, Leipzig, 1838.
  • 🚋 The type species of this genus has alternatively been placed in the genus Chromatium Perty 1852 (Approved Lists 1980). Publication: Winogradsky S. Beiträge zur Morphologie und Physiologie der Bacterien. Heft I. Zur Morphologie und Physiologie der Schwefelbacterien. Arthur Felix, Leipzig, 1888.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Allochoromatium"; "Allochromalium"; "Allochroniatium"; "Allochrormtium"; "Allochrornirtium"; "Allocromatium".
  • 📧 The e-mail address of the corresponding author given in the effective publication is not functional any more.
  • 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Imhoff JF, Madigan MT. International Committee on Systematics of Prokaryotes Subcommittee on the taxonomy of phototrophic bacteria. Minutes of the Meetings, 28 August 2000, Barcelona, Spain. Int. J. Syst. Evol. Microbiol. 2002; 52:2335-2336. 🇩🇪
  • 🧔 This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP. Publication: Imhoff JF, Wilmotte A. International Committee on Systematics of Prokaryotes Subcommittee on the taxonomy of phototrophic bacteria: minutes of the meetings, 11 August 2009, Montreal, Canada. Int J Syst Evol Microbiol 2014; 64:3907-3909. 🇩🇪
  • 💁 Taxonomists who have recently focused on this group are the corresponding authors of Srinivas et al. (2009). Editors in search of reviewers are advised to consider additional criteria such as whether a taxon is covered by one of the ICSP subcommittees.
  • 🧬 The phylogenomic assignment score of this taxon is 0.13107 (N = 8).
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 8; JCM: 3; ATCC: 2; KCTC: 1; NBRC: 1.
  • 🧍 The distinct name Halochromatium from the same publication has a similar spelling. — 🧍 The distinct name Isochromatium from the same publication has a similar spelling. Publication: Angell RC, Freund GE, Willett P. Automatic spelling correction using a trigram similarity measure. Information Processing and Management 1983; 19:255-261.
  • 🧍 Imhoff et al. propose the new genera Allochromatium, Halochromatium, Isochromatium, Marichromatium, Thiococcus, Thiohalocapsa and Thermochromatium. The names Allochromatium (Gr. adj. allos, other) and Halochromatium (Gr. n. hals, salt) are from different sources but they can be homophones. Indeed, the "H" is not pronouced in some languages such in French, Spanish, Portuguese or Italian. Moreover, in Latin, the aspirated "H" has not always been used (see: Quintilian, Institutio Oratoria, Liber primus, 5: XIX, XX, and XXI). It has been employed at the beginning of the Latin civilization but lost as early as the end of the Republic (-27) even if some educated people have retained the aspirate till Aurelius Augustinus (354 - 430). Therefore, in the spoken language the names Allochromatium and Halochromatium can be a cause of uncertainty. The proposal of the name "Dissimilichromatium" (L. adj. dissimilis, different) for Allochromatium or the proposal of the name "Salichromatium" (L. n. sal, salt) for Halochromatium would allow to avoid confusion. Publication: Euzeby JP. List of Bacterial Names with Standing in Nomenclature: a folder available on the Internet. Int J Syst Bacteriol 1997; 47:590-592. 🇫🇷

Subdivision:

Number of child taxa with a validly published and correct name: 7
Number of child taxa with a validly published name, including synonyms: 7
Total number of child taxa: 8

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Allochromatium humboldtianum Serrano et al. 2015	validly published under the ICNP	correct name
    Allochromatium minutissimum (Winogradsky 1888) Imhoff et al. 1998	validly published under the ICNP	correct name
    "Allochromatium palmeri" Kyndt and Meyer 2020	not validly published	preferred name
    Allochromatium phaeobacterium Srinivas et al. 2009	validly published under the ICNP	correct name
    Allochromatium renukae Anil Kumar et al. 2008	validly published under the ICNP	correct name
    Allochromatium tepidum Madigan et al. 2022	validly published under the ICNP	correct name
    Allochromatium vinosum (Ehrenberg 1838) Imhoff et al. 1998	validly published under the ICNP	correct name
    Allochromatium warmingii (Cohn 1875) Imhoff et al. 1998	validly published under the ICNP	correct name

Parent taxon: Chromatiaceae Bavendamm 1924 (Approved Lists 1980)

Assigned by: Imhoff JF, Suling J, Petri R. Phylogenetic relationships among the Chromatiaceae, their taxonomic reclassification and description of the new genera Allochromatium, Halochromatium, Isochromatium, Marichromatium, Thiococcus, Thiohalocapsa and Thermochromatium. Int J Syst Bacteriol 1998; 48:1129-1143. 🇩🇪

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Record number: 515090