Name: Ponticoccus lacteus Yang et al. 2015

Category: Species

Proposed as: sp. nov.

Etymology: lac’te.us. L. masc. adj. lacteus, milky

Pronunciation, gender: LAK-te-us, masculine

Type strain: CGMCC 1.12986; JCM 30379; JL351

Conduct genome-based taxonomy at

16S rRNA gene: DQ104407 Analyse FASTA

Valid publication: Yang Y, Sun J, Tang K, Lin D, Li C, Lin Y. Ponticoccus lacteus sp. nov. of the family Rhodobacteraceae, isolated from surface seawater. Int J Syst Evol Microbiol 2015; 65:1247-1250.

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 65, part 4 of the IJSEM. Int J Syst Evol Microbiol 2015; 65:2026-2027.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Mameliella alba Zheng et al. 2010

Risk group: 1

• Synonyms:

  • Name	Kind
    Alkalimicrobium pacificum Zhang et al. 2015	heterotypic synonym, validly published under the ICNP
    Mameliella atlantica Xu et al. 2015	heterotypic synonym, validly published under the ICNP
    Mameliella alba Zheng et al. 2010	heterotypic synonym, validly published under the ICNP
    Mameliella phaeodactyli Chen et al. 2015	heterotypic synonym, validly published under the ICNP

• Emendations:
  • Hördt et al. 2020 Hordt A, Lopez MG, Meier-Kolthoff JP, Schleuning M, Weinhold LM, Tindall BJ, Gronow S, Kyrpides NC, Woyke T, Goker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria. Front Microbiol 2020; 11:468. Oren A, Garrity GM. List of changes in taxonomic opinion no. 32. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2020; 70:4061-4090.

• Notes:
  • ⏲ According to Liu et al. (2018), this species is a later heterotypic synonym of Mameliella alba Zheng et al. 2010. Publication: Liu Y, Zhang X, Lai Q, Shao Z. Reclassification of Mameliella phaeodactyli, Mameliella atlantica, Ponticoccus lacteus and Alkalimicrobium pacificum as later heterotypic synonyms of Mameliella alba and an emended description of Mameliella alba. Int J Syst Evol Microbiol 2018; 68:1047-1051.
  • 🏢 Synonymy of this taxon was mentioned in an IJSEM list. Publication: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 68, part 4 of the IJSEM. Int J Syst Evol Microbiol 2018; 68:2134-2136.
  • 😢 The terminology used by the authors is in line with many other taxonomic studies and does not negatively affect their main results; some improvements may nevertheless be possible. Using the term "phylogenetic data" (or equivalent) for sequence data is not advocated. Whether taxa can have "members" is debatable. See the LPSN phylogeny page for details. Publication: Göker M. What can genome analysis offer for bacteria? In: Bridge P, Smith D, Stackebrandt E (eds), Trends in the systematics of bacteria and fungi, CAB International, Wallingford, 2021, p. 255-281.
  • ❗ Ponticoccus lacteus is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Ponticoccus.
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1. — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
  • 🎓 Name mentioned 3 times in PubMed until 2025-06-04.

Parent taxon: Ponticoccus Hwang and Cho 2008

Assigned by: Yang Y, Sun J, Tang K, Lin D, Li C, Lin Y. Ponticoccus lacteus sp. nov. of the family Rhodobacteraceae, isolated from surface seawater. Int J Syst Evol Microbiol 2015; 65:1247-1250.

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Record number: 792700