Species Actinomycetospora callitridis

Name: Actinomycetospora callitridis Kaewkla and Franco 2019

Category, proposed as: species, sp. nov.

Etymology: cal.li’tri.dis. N.L. gen. fem. n. callitridis, of Callitris, the botanical name of a genus of pine, named after the source plant of the type strain, the Australian native pine Callitris preissii

Pronunciation (Latin), gender: ak-ti-no-my-ke-TO-spo-ra kal-LI-tri-dis, feminine

Type strain: CAP 335; DSM 101857; NRRL B-65350

Conduct genome-based taxonomy at

16S rRNA gene: HQ396157 Analyse FASTA

Effective publication: Kaewkla O, Franco CMM. Actinomycetospora callitridis sp. nov., an endophytic actinobacterium isolated from the surface-sterilised root of an Australian native pine tree. Antonie Van Leeuwenhoek 2019; 112:331-337. 🇦🇺

IJSEM list: Oren A, Garrity GM. Validation list no. 188. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2019; 69:1844-1846.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 😢 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. The phrase "valid name" is misleading. 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. 🇬🇧
  • 😷 The risk group for Germany has been imported on 2026-08-13. 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 2 times in PubMed until 2026-06-11.

Parent taxon: Actinomycetospora Jiang et al. 2008

Assigned by: Kaewkla O, Franco CMM. Actinomycetospora callitridis sp. nov., an endophytic actinobacterium isolated from the surface-sterilised root of an Australian native pine tree. Antonie Van Leeuwenhoek 2019; 112:331-337. 🇦🇺

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Record number: 801289