Species Bacillus azotofixans

Name: Bacillus azotofixans Seldin et al. 1984

Category: Species

Proposed as: sp. nov.

Etymology: a.zo.to.fi.xans. N.L. neut. n. azotum, nitrogen; from French masc. n. azote, nitrogen; L. v. figo, to fix; N.L. pres. part. fixans, fixing; N.L. masc. part. adj. azotofixans, nitrogen-fixing

Gender: masculine

Type strain: ATCC 35681; CIP 104586; DSM 5976; LMG 14658; P3L-5

Conduct genome-based taxonomy at

16S rRNA gene: X60608 Analyse FASTA

Valid publication: Seldin L, Van Elsas JD, Penido EGC. Bacillus azotofixans sp. nov., a nitrogen-fixing species from Brazilian soils and grass roots. Int. J. Syst. Bacteriol. 1984; 34:451-456.

Nomenclatural status: validly published under the ICNP

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

Correct name: Paenibacillus azotofixans (Seldin et al. 1984) Ash et al. 1994

Risk group: 1

Synonyms:

Name	Kind
Paenibacillus azotofixans (Seldin et al. 1984) Ash et al. 1994	homotypic synonym, validly published under the ICNP

Notes:
- ⏲ According to Gülla et al. (2019), this species is not a later heterotypic synonym of Paenibacillus durus corrig. (Smith and Cato 1974) Collins 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.
- ⏲ According to Gülla et al. (2019), this species is not a later heterotypic synonym of Clostridium durum Smith and Cato 1974 (Approved Lists 1980). 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.
- ⏲ According to Gülla et al. (2019), this species is not a later heterotypic synonym of Paenibacillus durum (Smith and Cato 1974) Collins 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.
- ⏲ According to Judicial-Commission (2003), this species is a later heterotypic synonym of Paenibacillus durus corrig. (Smith and Cato 1974) Collins 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.
- ⏲ According to Judicial-Commission (2003), this species is a later heterotypic synonym of Clostridium durum Smith and Cato 1974 (Approved Lists 1980). 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.
- ⏲ According to Judicial-Commission (2003), this species is a later heterotypic synonym of Paenibacillus durum (Smith and Cato 1974) Collins 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.
- 🏢 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.
- ❗ Bacillus azotofixans 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 Bacillus.
- 😷 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 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: Bacillus Cohn 1872 (Approved Lists 1980)

Assigned by: Seldin L, Van Elsas JD, Penido EGC. Bacillus azotofixans sp. nov., a nitrogen-fixing species from Brazilian soils and grass roots. Int. J. Syst. Bacteriol. 1984; 34:451-456.

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Record number: 773645

This LPSN page was printed on 2025-06-22 14:38:23

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Species Bacillus azotofixans