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Species Paenibacillus macerans
Name: Paenibacillus macerans (Schardinger 1905) Ash et al. 1994
Basonym: Bacillus macerans Schardinger 1905 (Approved Lists 1980)
Etymology: ma’ce.rans. L. masc. part. adj. macerans, softening by steeping, retting
Type strain: ATCC 8244; BCRC 14680; CCM 2012; CCRC 14680; CCUG 7423; CFBP 4253; CIP 66.19; DSM 24; HAMBI 1958; HAMBI 636; IAM 12467; IFO 15307; JCM 2500; KCTC 1822; LMG 13281; LMG 6324; NBIMCC 2214; NBRC 15307; NCCB 48019; NCDO 1764; NCFB 1764; NCIB 9368; NCIMB 9368; NCTC 6355; NRRL B-172; NRRL B-394; NRRL B-4267; VKM B-506
See detailed strain information at
Conduct genome-based taxonomy at
16S rRNA gene:
AB073196
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)
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Synonyms:
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Name Kind Paenibacillus thermophilus Zhou et al. 2013 heterotypic synonym, validly published under the ICNP Bacillus macerans Schardinger 1905 (Approved Lists 1980) homotypic synonym, validly published under the ICNP "Aerobacillus macerans" (Schardinger 1905) Donker 1926 homotypic synonym, not validly published
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Emendations:
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Kobayashi et al. 2019
Kobayashi H, Tanizawa Y, Sakamoto M, Nakamura Y, Ohkuma M, Tohno M. Reclassification of Paenibacillus thermophilus Zhou et al. 2013 as a later heterotypic synonym of Paenibacillus macerans (Schardinger 1905) Ash et al. 1994. Int J Syst Evol Microbiol 2019; 69:417-421.
Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 69, part 2 of the IJSEM. Int J Syst Evol Microbiol 2019; 69:1251-1252.
Notes:- 🫂 Emendation accompanied by a proposal regarding the synonymy of the species.
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Kobayashi et al. 2019
Kobayashi H, Tanizawa Y, Sakamoto M, Nakamura Y, Ohkuma M, Tohno M. Reclassification of Paenibacillus thermophilus Zhou et al. 2013 as a later heterotypic synonym of Paenibacillus macerans (Schardinger 1905) Ash et al. 1994. Int J Syst Evol Microbiol 2019; 69:417-421.
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Notes:
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⏰ According to Kobayashi et al. (2019), this species is an earlier heterotypic synonym of Paenibacillus thermophilus Zhou et al. 2013.
Publication:
Kobayashi H, Tanizawa Y, Sakamoto M, Nakamura Y, Ohkuma M, Tohno M. Reclassification of Paenibacillus thermophilus Zhou et al. 2013 as a later heterotypic synonym of Paenibacillus macerans (Schardinger 1905) Ash et al. 1994. Int J Syst Evol Microbiol 2019; 69:417-421.
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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 2 of the IJSEM. Int J Syst Evol Microbiol 2019; 69:1251-1252.
- 😷 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, note = "PIIC". — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1, note = "+". — 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 82 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 pathogenicity of the species itself.
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🧍 According to Bartlett et al. (2022), this species is an established human pathogen.
Publication:
Bartlett A, Padfield D, Lear L, Bendall R, Vos M. A comprehensive list of bacterial pathogens infecting humans. Microbiology (Reading) 2022; 168:0.
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🧍 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.
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⏰ According to Kobayashi et al. (2019), this species is an earlier heterotypic synonym of Paenibacillus thermophilus Zhou et al. 2013.
Publication:
Kobayashi H, Tanizawa Y, Sakamoto M, Nakamura Y, Ohkuma M, Tohno M. Reclassification of Paenibacillus thermophilus Zhou et al. 2013 as a later heterotypic synonym of Paenibacillus macerans (Schardinger 1905) Ash et al. 1994. Int J Syst Evol Microbiol 2019; 69:417-421.
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: 779082
This LPSN page was printed on 2025-12-09 14:57:31