Name: Aquabacterium pictum Hirose et al. 2020

Category: Species

Proposed as: sp. nov.

Etymology: pic’tum. L. neut. adj. pictum, coloured

Pronunciation, gender: PIK-tum, neuter

Type strain: DSM 106757; NBRC 111963; W35

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: LC094486 Analyse FASTA

Valid publication: Hirose S, Tank M, Hara E, Tamaki H, Mori K, Takaichi S, Haruta S, Hanada S. Aquabacterium pictum sp. nov., the first aerobic bacteriochlorophyll a-containing fresh water bacterium in the genus Aquabacterium of the class Betaproteobacteria. Int J Syst Evol Microbiol 2020; 70:596-603. 🇯🇵

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 70, part 1 of the IJSEM. Int J Syst Evol Microbiol 2020; 70:2167-2173.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Rubrivivax pictus (Hirose et al. 2020) Liu et al. 2023

• Synonyms:

  • Name	Kind
    Pseudaquabacterium pictum (Hirose et al. 2020) Lu and Chen 2024	homotypic synonym, validly published under the ICNP
    Rubrivivax pictus (Hirose et al. 2020) Liu et al. 2023	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Aquabacterium pictum 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 Aquabacterium.
  • 🎓 Name mentioned 3 times in PubMed until 2025-06-04.

Parent taxon: Aquabacterium Kalmbach et al. 1999

Assigned by: Hirose S, Tank M, Hara E, Tamaki H, Mori K, Takaichi S, Haruta S, Hanada S. Aquabacterium pictum sp. nov., the first aerobic bacteriochlorophyll a-containing fresh water bacterium in the genus Aquabacterium of the class Betaproteobacteria. Int J Syst Evol Microbiol 2020; 70:596-603. 🇯🇵

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Record number: 5615