Species Streptomyces pactum

Name: Streptomyces pactum Bhuyan et al. 1962 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: pac’tum. L. neut. part. adj. pactum, settled, referring to the compactness of the coiled chains of spores (sic)

Pronunciation, gender: PAK-tum, masculine

Type strain: ATCC 27456; BCRC 12076; CBS 461.69; CBS 734.72; CCRC 12076; CGMCC 4.1443; DSM 40530; DSM 41250; IFO 13433; IMET 43357; JCM 4288; JCM 4809; KCTC 9165; LMG 19357; NBRC 13433; NCIB 9445; NCIMB 9445; NRRL 2939; NRRL ISP-5530; RIA 1394; VKM Ac-1911

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: EF654095 Analyse FASTA

Effective publication: Bhuyan BK, Dietz A, Smith CG. Pactamycin, a new antitumor antibiotic. I. Discovery and biological properties. Antimicrobial Agents and Chemotherapy 1962; 1961:184-190.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: inaccurate spelling

Taxonomic status: misspelling (and not recommended for medical use)

Correct name: Streptomyces pactus corrig. Bhuyan et al. 1962 (Approved Lists 1980)

Risk group: 1

Synonyms:

Name	Kind
Streptomyces pactus corrig. Bhuyan et al. 1962 (Approved Lists 1980)	corrected spelling of name, validly published under the ICNP

Notes:
- 😷 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 57 times in PubMed until 2025-06-04.
- 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this species. The name is on LoRN because of the recorded risk group of the genus.

Parent taxon: Streptomyces Waksman and Henrici 1943 (Approved Lists 1980)

Assigned by: Bhuyan BK, Dietz A, Smith CG. Pactamycin, a new antitumor antibiotic. I. Discovery and biological properties. Antimicrobial Agents and Chemotherapy 1962; 1961:184-190.

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Record number: 781913

This LPSN page was printed on 2026-01-19 11:09:34

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Species Streptomyces pactum