Name: Heliomicrobium modesticaldum (Kimble et al. 1996) Kyndt et al. 2021

Category: Species

Proposed as: comb. nov.

Basonym: Heliobacterium modesticaldum Kimble et al. 1996

Etymology: mo.des.ti.cal’dum. L. masc. adj. modestus, moderate; L. masc. adj. caldus, warm, hot; N.L. neut. adj. modesticaldum, moderately hot, named for its thermophilic character

Pronunciation, gender: mo-des-ti-KAL-dum, neuter

Type strain: ATCC 51547; DSM 9504; Ice 1

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB100836 Analyse FASTA

Valid publication: Kyndt JA, Montano Salama D, Meyer TE, Imhoff JF. Phylogenetic relationship of phototrophic heliobacteria and systematic reconsideration of species and genus assignments based on genome sequences of eight species. Int J Syst Evol Microbiol 2021; 71:4729.

IJSEM list: 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.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    Heliobacterium modesticaldum Kimble et al. 1996	homotypic synonym, validly published under the ICNP

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.18263 (N = 1).
  • 🎓 Name mentioned 5 times in PubMed until 2025-06-04.

Parent taxon: Heliomicrobium Kyndt et al. 2021

Assigned by: Kyndt JA, Montano Salama D, Meyer TE, Imhoff JF. Phylogenetic relationship of phototrophic heliobacteria and systematic reconsideration of species and genus assignments based on genome sequences of eight species. Int J Syst Evol Microbiol 2021; 71:4729.

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Record number: 3606