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Species Clostridium durum
Name: Clostridium durum Smith and Cato 1974 (Approved Lists 1980)
Etymology: du’rum. L. neut. adj. durum, hard, resistant, indicating ability to survive for long period of time
Pronunciation, gender: DU-rum, neuter
Type strain: ATCC 27763; DSM 1735; VPI 6563
See detailed strain information at
Conduct genome-based taxonomy at
16S rRNA gene:
X77846
Analyse
FASTA
Effective publication:
Smith LDS, Cato EP. Clostridium durum, sp. nov., the predominant organism in a sediment core from the Black Sea. Canadian Journal of Microbiology 1974; 20:1393-1397. 
IJSEM list:
Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.
Nomenclatural status: validly published under the ICNP
Taxonomic status: synonym (and not recommended for medical use)
Correct name: Paenibacillus durus corrig. (Smith and Cato 1974) Collins et al. 1994
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Synonyms:
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Name Kind Paenibacillus durus corrig. (Smith and Cato 1974) Collins et al. 1994 homotypic synonym, validly published under the ICNP Paenibacillus durum (Smith and Cato 1974) Collins et al. 1994 homotypic synonym, inaccurate spelling
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Notes:
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⏰ According to Gülla et al. (2019), this species is not an earlier heterotypic synonym of Bacillus azotofixans Seldin et al. 1984.
Publication:
Guella F, Porto RZ, Sant'Anna FH, Ambrosini A, Passaglia LMP. Genomic metrics analyses indicate that Paenibacillus azotofixans is not a later synonym of Paenibacillus durus. Int J Syst Evol Microbiol 2019; 69:2870-2876.
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⏰ According to Gülla et al. (2019), this species is not an earlier heterotypic synonym of Paenibacillus azotofixans (Seldin et al. 1984) Ash et al. 1994.
Publication:
Guella F, Porto RZ, Sant'Anna FH, Ambrosini A, Passaglia LMP. Genomic metrics analyses indicate that Paenibacillus azotofixans is not a later synonym of Paenibacillus durus. Int J Syst Evol Microbiol 2019; 69:2870-2876.
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⏰ According to Judicial-Commission (2003), this species is an earlier heterotypic synonym of Bacillus azotofixans Seldin et al. 1984.
Publication:
Judicial C. Paenibacillus durus (Collins et al. 1994, formerly Clostridium durum Smith and Cato 1974) has priority over Paenibacillus azotofixans (Seldin et al. 1984). Opinion 73. Int J Syst Evol Microbiol 2003; 53:931.
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⏰ According to Judicial-Commission (2003), this species is an earlier heterotypic synonym of Paenibacillus azotofixans (Seldin et al. 1984) Ash et al. 1994.
Publication:
Judicial C. Paenibacillus durus (Collins et al. 1994, formerly Clostridium durum Smith and Cato 1974) has priority over Paenibacillus azotofixans (Seldin et al. 1984). Opinion 73. Int J Syst Evol Microbiol 2003; 53:931.
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🏢 Synonymy of this taxon was mentioned in an IJSEM list.
Publication:
Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 69, part 9 of the IJSEM. Int J Syst Evol Microbiol 2019; 69:3663-3665.
- ❗ Clostridium durum 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 Clostridium.
- 😷 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 2 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.
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⏰ According to Gülla et al. (2019), this species is not an earlier heterotypic synonym of Bacillus azotofixans Seldin et al. 1984.
Publication:
Guella F, Porto RZ, Sant'Anna FH, Ambrosini A, Passaglia LMP. Genomic metrics analyses indicate that Paenibacillus azotofixans is not a later synonym of Paenibacillus durus. Int J Syst Evol Microbiol 2019; 69:2870-2876.
Parent taxon: Clostridium Prazmowski 1880 (Approved Lists 1980)
Assigned by:
Smith LDS, Cato EP. Clostridium durum, sp. nov., the predominant organism in a sediment core from the Black Sea. Canadian Journal of Microbiology 1974; 20:1393-1397.
Linking: To permanently link to this page, use https://lpsn.dsmz.de/species/clostridium-durumLink copied to clipboard
Record number: 774871
This LPSN page was printed on 2025-12-07 23:09:57