Genus Pontixanthobacter

Name: Pontixanthobacter Xu et al. 2020

Category, proposed as: genus, gen. nov.

Etymology: Pon.ti.xan.tho.bac’ter. L. masc. n. pontus, the sea; Gr. masc. adj. xanthos, yellow; N.L. masc. n. bacter, rod or staff; N.L. masc. n. Pontixanthobacter, a yellow bacterium from the sea

Gender, pronunciation (Latin): masculine (stem: Pontixanthobacter-), pon-ti-xan-t^ho-BAK-ter

Type species: Pontixanthobacter luteolus (Yoon et al. 2005) Xu et al. 2020

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Xu L, Sun C, Fang C, Oren A, Xu XW. Genomic-based taxonomic classification of the family Erythrobacteraceae. Int J Syst Evol Microbiol 2020; 70:4470-4495. 🇨🇳

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 70, part 8 of the IJSEM. Int J Syst Evol Microbiol 2020; 70:5602-5608.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    Allopontixanthobacter Liu et al. 2021	heterotypic synonym, validly published under the ICNP
    Pseudopontixanthobacter Liu et al. 2021	heterotypic synonym, validly published under the ICNP, illegitimate name, later homonym

• Emendations:
  • Liu et al. 2021 Liu A, Xue QJ, Li SG, Zhang YJ. Pontixanthobacter rizhaonensis sp. nov., a marine bacterium isolated from surface seawater of the Yellow Sea, and proposal of Pseudopontixanthobacter gen. nov., Pseudopontixanthobacter confluentis comb. nov. and Pseudopontixanthobacter sediminis comb. nov. Int J Syst Evol Microbiol 2021; 71:4780. 🇨🇳 Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 71, part 4 of the IJSEM. Int J Syst Evol Microbiol 2021; 71:4850.
    Notes:
    • ⊖ Emendation accompanied by the removal of 2 species from the genus.
    • ⊕ Emendation accompanied by the proposal of 1 new species in the genus.

• Notes:
  • 🚋 The type species of this genus has alternatively been placed in the genus Altererythrobacter Kwon et al. 2007. Publication: Kwon KK, Woo JH, Yang SH, Kang JH, Kang SG, Kim SJ, Sato T, Kato C. Altererythrobacter epoxidivorans gen. nov., sp. nov., an epoxide hydrolase-active, mesophilic marine bacterium isolated from cold-seep sediment, and reclassification of Erythrobacter luteolus Yoon et al. 2005 as Altererythrobacter luteolus comb. nov. Int J Syst Evol Microbiol 2007; 57:2207-2211. 🇰🇷
  • 🚋 The type species of this genus has alternatively been placed in the genus Erythrobacter Shiba and Simidu 1982. Publication: Yoon JH, Kang KH, Yeo SH, Oh TK. Erythrobacter luteolus sp. nov., isolated from a tidal flat of the Yellow Sea in Korea. Int J Syst Evol Microbiol 2005; 55:1167-1170. 🇰🇷
  • 💁 Taxonomists who have recently focused on this group are the corresponding authors of Liu et al. (2021), Wang et al. (2025), Park et al. (2017). 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 BRCs most frequently used for deposits in this group are: KCTC: 6; NBRC: 3; JCM: 2; MCCC: 1; KACC: 1; CECT: 1.

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: 7

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Pontixanthobacter aestiaquae (Jung et al. 2014) Xu et al. 2020	validly published under the ICNP	correct name
    Pontixanthobacter aquaemixtae (Park et al. 2017) Xu et al. 2020	validly published under the ICNP	correct name
    Pontixanthobacter confluentis (Park et al. 2016) Xu et al. 2020	validly published under the ICNP	correct name
    Pontixanthobacter gangjinensis (Jeong et al. 2013) Xu et al. 2020	validly published under the ICNP	correct name
    Pontixanthobacter luteolus (Yoon et al. 2005) Xu et al. 2020	validly published under the ICNP	correct name
    Pontixanthobacter rizhaonensis Liu et al. 2021	validly published under the ICNP	correct name
    Pontixanthobacter sediminis (Kim et al. 2016) Xu et al. 2020	validly published under the ICNP	correct name

Parent taxon: Erythrobacteraceae Lee et al. 2005

Assigned by: Xu L, Sun C, Fang C, Oren A, Xu XW. Genomic-based taxonomic classification of the family Erythrobacteraceae. Int J Syst Evol Microbiol 2020; 70:4470-4495. 🇨🇳

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Record number: 12745