Name: Actinopolyspora mortivallis Yoshida et al. 1991

Category: Species

Proposed as: sp. nov.

Etymology: mor.ti.val.lis. L. gen. fem. n. mortis, of death; L. gen. fem. n. vallis, of the valley; N.L. gen. fem. n. mortivallis, of Death Valley, the source of the soil sample from which the type strain was isolated

Gender: feminine

Type strain: ATCC 49777; DSM 44261; HS-1; IFO 15162; JCM 7550; NBRC 15162; VKM Ac-1974

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: Z22730 Analyse FASTA

Valid publication: Yoshida M, Matsubara K, Kudo T, Horikoshi K. Actinopolyspora mortivallis sp. nov., a moderately halophilic actinomycete. Int. J. Syst. Bacteriol. 1991; 41:15-20.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 41, part 1 of the IJSB. Int J Syst Bacteriol 1991; 41:457-458.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.10119 (N = 27).
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — 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 5 times in PubMed until 2024-03-28.
  • 🧍 See also: Publication: Hamedi J, Mohammadipanah F, Ventosa A. Systematic and biotechnological aspects of halophilic and halotolerant actinomycetes. Extremophiles 2013; 17:1-13.
  • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project. Publication: Nouioui I, Carro L, Garcia-Lopez M, Meier-Kolthoff JP, Woyke T, Kyrpides NC, Pukall R, Klenk HP, Goodfellow M, Goker M. Genome-Based Taxonomic Classification of the Phylum Actinobacteria. Front Microbiol 2018; 9:2007.

Parent taxon: Actinopolyspora Gochnauer et al. 1975 (Approved Lists 1980)

Assigned by: Yoshida M, Matsubara K, Kudo T, Horikoshi K. Actinopolyspora mortivallis sp. nov., a moderately halophilic actinomycete. Int. J. Syst. Bacteriol. 1991; 41:15-20.

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Record number: 772857