Species ***Paenibacillus* *validus***

Name: Paenibacillus validus (Nakamura 1984 ex Bredemann and Heigener 1935) Ash et al. 1994

Category: Species

Proposed as: comb. nov.

Basonym: Bacillus validus (ex Bredemann and Heigener 1935) Nakamura 1984

Etymology: va’li.dus. L. masc. adj. validus, strong, vigorous

Pronunciation (Latin), gender: … WA-li-dus, masculine

Type strain: ATCC 43897; B 1397; DSM 3037; DSM 5395; LMG 11161; NRRL NRS-1000

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB073203 Analyse FASTA

Effective publication: Ash C, Priest FG, Collins MD. Molecular identification of rRNA group 3 bacilli (Ash, Farrow, Wallbanks and Collins) using a PCR probe test. Proposal for the creation of a new genus Paenibacillus. Antonie Van Leeuwenhoek 1993; 64:253-260. 🇬🇧

IJSEM list: Anonymous. Validation list no. 52. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1995; 45:197-198.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

Risk group: 1

Synonyms:

Name	Kind
Bacillus validus (ex Bredemann and Heigener 1935) Nakamura 1984	homotypic synonym, validly published under the ICNP
Bacillus gordonae Pichinoty et al. 1987	heterotypic synonym, validly published under the ICNP
Paenibacillus gordonae (Pichinoty et al. 1987) Ash et al. 1994	heterotypic synonym, validly published under the ICNP

Emendations:
- Heyndrickx et al. 1995 Heyndrickx M, Vandemeulebroecke K, Scheldeman P, Hoste B, Kersters K, De Vos P, Logan NA, Aziz AM, Ali N, Berkeley RC. Paenibacillus (formerly Bacillus) gordonae (Pichinoty et al. 1986) Ash et al. 1994 is a later subjective synonym of Paenibacillus (formerly Bacillus) validus (Nakamura 1984) Ash et al. 1994: emended description of P. validus. Int J Syst Bacteriol 1995; 45:661-669. 🇧🇪 Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 45, part 4 of the IJSB. Int J Syst Bacteriol 1996; 46:364-365.
  Notes:
  - 📧 The e-mail address of the corresponding author given in the associated publication is not functional any more.
  - 🫂 Emendation accompanied by a proposal regarding the synonymy of the species.

Notes:
- ⏰ According to Heyndrickx et al. (1995), this species is an earlier heterotypic synonym of Bacillus gordonae Pichinoty et al. 1987. Publication: Heyndrickx M, Vandemeulebroecke K, Scheldeman P, Hoste B, Kersters K, De Vos P, Logan NA, Aziz AM, Ali N, Berkeley RC. Paenibacillus (formerly Bacillus) gordonae (Pichinoty et al. 1986) Ash et al. 1994 is a later subjective synonym of Paenibacillus (formerly Bacillus) validus (Nakamura 1984) Ash et al. 1994: emended description of P. validus. Int J Syst Bacteriol 1995; 45:661-669. 🇧🇪
- ⏰ According to Heyndrickx et al. (1995), this species is an earlier heterotypic synonym of Paenibacillus gordonae (Pichinoty et al. 1987) Ash et al. 1994. Publication: Heyndrickx M, Vandemeulebroecke K, Scheldeman P, Hoste B, Kersters K, De Vos P, Logan NA, Aziz AM, Ali N, Berkeley RC. Paenibacillus (formerly Bacillus) gordonae (Pichinoty et al. 1986) Ash et al. 1994 is a later subjective synonym of Paenibacillus (formerly Bacillus) validus (Nakamura 1984) Ash et al. 1994: emended description of P. validus. Int J Syst Bacteriol 1995; 45:661-669. 🇧🇪
- 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — 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 21 times in PubMed until 2025-06-04.
- 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of the genus.
- 🧍 On the Validation List no. 52, the name was mis-spelt Paenibacillus validas (sic). — 🧍 This species, listed in the Validation List no. 52 (Int. J. Syst. Bacteriol., 1995, 45, 197-198.), was inadvertently omitted from Validation List no. 51 (Int. J. Syst. Bacteriol., 1994, 44, 852.); the effective date of validation is that of List no. 51 (October 1994). Publication: . Erratum. Int. J. Syst. Bacteriol. 1995; 45:622. 🇦🇺
- 🧍 This species, listed in the Validation List no. 52 (Int. J. Syst. Bacteriol., 1995, 45, 197-198.), was inadvertently omitted from Validation List no. 51 (Int. J. Syst. Bacteriol., 1994, 44, 852.); the effective date of validation is that of list no. 51 (October 1994). Publication: . Erratum. Int. J. Syst. Bacteriol. 1995; 45:201.

Parent taxon: Paenibacillus Ash et al. 1994

Assigned by: Ash C, Priest FG, Collins MD. Molecular identification of rRNA group 3 bacilli (Ash, Farrow, Wallbanks and Collins) using a PCR probe test. Proposal for the creation of a new genus Paenibacillus. Antonie Van Leeuwenhoek 1993; 64:253-260. 🇬🇧

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Record number: 779104

This LPSN page was printed on 2026-03-14 09:52:00

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Species Paenibacillus validus

Species ***Paenibacillus* *validus***