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Genus Propionibacterium

Warning: In the List of Prokaryotic names with Standing in Nomenclature, an arrow () only indicates the sequence of valid publication of names and does not mean that the last name in the sequence must be used (see: Introduction).

Number of species cited in this file: 16
Number of subspecies cited in this file: 4

Classification (Warning: see also the file "Classification of prokaryotes: Introduction").


For a detailed description of this taxon see Bergey’s Manual of Systematics of Archaea and Bacteria (BMSAB).


 

Propionibacterium Orla-Jensen 1909, genus. (Type genus of the suborder ¤ Propionibacterineae Rainey et al. 1997; type genus of the family ¤ Propionibacteriaceae Delwiche 1957 [Approved Lists 1980]).
Type species: ¤ Propionibacterium freudenreichii van Niel 1928 (Approved Lists 1980).
Etymology: N.L. n. acidum propionicum, propionic acid; L. neut. n. bacterium, a small rod; N.L. neut. n. Propionibacterium, propionic (acid) bacterium.
Approved Lists reference: SKERMAN (V.B.D.), McGOWAN (V.) and SNEATH (P.H.A.) (editors): Approved Lists of Bacterial Names. Int. J. Syst. Bacteriol., 1980, 30, 225-420 (Approved Lists of Bacterial Names in IJSEM Online - Approved Lists of Bacterial Names Amended edition).
Original publication: ORLA-JENSEN (S.): Die Hauptlinien des natürlichen Bakteriensystems. Zentralblatt fur Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene. Abteilung II, 1909, 22, 305-346.

Propionibacterium Orla-Jensen 1909 (Approved Lists 1980) emend. Charfreitag et al. 1988.
Type species: ¤ Propionibacterium freudenreichii van Niel 1928 (Approved Lists 1980).
Etymology: N.L. n. acidum propionicum, propionic acid; L. neut. n. bacterium, a small rod; N.L. neut. n. Propionibacterium, propionic (acid) bacterium.
Reference: CHARFREITAG (O.), COLLINS (M.D.) and STACKEBRANDT (E.): Reclassification of Arachnia propionica as Propionibacterium propionicus comb. nov. Int. J. Syst. Bacteriol., 1988, 38, 354-357.
Original article in IJSEM Online

Note: According to Charfreitag et al. 1988, Propionibacterium Orla-Jensen 1909 (Approved Lists 1980) is an earlier heterotypic synonym of ¤ Arachnia Pine and Georg 1969 (Approved Lists 1980).
Reference: CHARFREITAG (O.), COLLINS (M.D.) and STACKEBRANDT (E.): Reclassification of Arachnia propionica as Propionibacterium propionicus comb. nov. Int. J. Syst. Bacteriol., 1988, 38, 354-357.
Original article in IJSEM Online

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Propionibacterium acidifaciens Downes and Wade 2009, sp. nov.
Type strain: (see also StrainInfo.net) C3M_31 = CCUG 57100 = DSM 21887 = JCM 16571.
Sequence accession no. (16S rRNA gene) for the type strain: EU979537.
Etymology: N.L. n. acidum, an acid; L. v. facio, to produce; N.L. part. adj. acidifaciens, acid-producing.
Valid publication: DOWNES (J.) and WADE (W.G.): Propionibacterium acidifaciens sp. nov., isolated from the human mouth. Int. J. Syst. Evol. Microbiol., 2009, 59, 2778-2781.
Original article in IJSEM Online

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Propionibacterium acidipropionici corrig. Orla-Jensen 1909, species.
Type strain: (see also StrainInfo.net) ATCC 25562= CIP 103025 = DSM 4900.
Sequence accession no. (16S rRNA gene) for the type strain: AJ704569.
Synonyms: "Bacillus acidi propionici" von Freudenreich and Orla-Jensen 1907, "Propionibacterium pentosaceum" van Niel 1928, "Propionibacterium arabinosum" Hitchner 1932.
Etymology: N.L. n. acidum propionicum, propionic acid; N.L. gen. n. acidipropionici, of propionic acid.
Approved Lists reference: SKERMAN (V.B.D.), McGOWAN (V.) and SNEATH (P.H.A.) (editors): Approved Lists of Bacterial Names. Int. J. Syst. Bacteriol., 1980, 30, 225-420 (Approved Lists of Bacterial Names in IJSEM Online - Approved Lists of Bacterial Names Amended edition).
Original publication: ORLA-JENSEN (S.): Die Hauptlinien des natürlichen Bakteriensystems. Zentralblatt fur Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene. Abteilung II, 1909, 22, 305-346.

Note: The original spelling of the specific epithet, acidi-propionici (sic), has been corrected by Farmer 1983 [1] and by Hill et al. 1984 [2]. This corrigendum has been omitted from the Approved Lists of Bacterial Names (Amended Edition) [3].
References:
1 FARMER III (J.J.): Correction of four specific epithets that are hyphenated in the Approved Lists of Bacterial Names 1980. Int. J. Syst. Bacteriol., 1983, 33, 425.
Original article in IJSEM Online
2 HILL (L.R.), SKERMAN (V.B.D.) and SNEATH (P.H.A.): Corrigenda to the Approved Lists of Bacterial Names edited for the International Committee on Systematic Bacteriology. Int. J. Syst. Bacteriol., 1984, 34, 508-511.
Original article in IJSEM Online
3 EUZÉBY (J.P.): Corrigenda to the Approved Lists of Bacterial Names and to the amended edition of the Approved Lists of Bacterial Names. Int. J. Syst. Bacteriol., 1997, 47, 1271-1272.
Original article in IJSEM Online

¤ Acidipropionibacterium acidipropionici (Orla-Jensen 1909) Scholz and Kilian 2016, comb. nov.

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Propionibacterium acnes (sic) (Gilchrist 1900) Douglas and Gunter 1946, species.
Type strain: (see also StrainInfo.net) ATCC 6919= CCUG 1794 = CIP 53.117 = DSM 1897 = JCM 6425 = LMG 16711 = NCTC 737 = NRRL B-4224 = VKM Ac-1450.
Sequence accession no. (16S rRNA gene) for the type strain: AB042288.
Synonyms: "Bacillus acnes" Gilchrist 1900, "Corynebacterium acnes" (Gilchrist 1900) Eberson 1918.
Etymology: Gr. n. acme, a point; incorrectly transliterated as N.L. n. acne, acne; N.L. gen. n. acnes, of acne.
Approved Lists reference: SKERMAN (V.B.D.), McGOWAN (V.) and SNEATH (P.H.A.) (editors): Approved Lists of Bacterial Names. Int. J. Syst. Bacteriol., 1980, 30, 225-420 (Approved Lists of Bacterial Names in IJSEM Online - Approved Lists of Bacterial Names Amended edition).
Original publication: 1 GILCHRIST (T.C.): A bacteriological and microscopical study of over three hundred vesicular and pustular lesions of the skin, with a research upon the etiology of Acne vulgaris. Johns Hopkins Hospital Report, 1900, 9, 409-430. 2 DOUGLAS (H.D.) and GUNTER (S.E.): The taxonomic position of Corynebacterium acnes. Journal of Bacteriology, 1946, 52, 15-23.

Notes:
1 Propionibacterium acnes has been described by Gilchrist 1900 [1] or by Gilchrist et al. 1901 [2, 3] as "Bacillus acnes". The name of the specific epithet has been incorrectly transliterated from Gr. noun acme (a point) to N.L. noun acne acnes.
References:
1 SKERMAN (V.B.D.), McGOWAN (V.) and SNEATH (P.H.A.) (editors): Approved Lists of Bacterial Names. Int. J. Syst. Bacteriol., 1980, 30, 225-420 (Approved Lists of Bacterial Names in IJSEM Online - Approved Lists of Bacterial Names Amended edition).
2 BREED (R.S.), MURRAY (E.G.D.) and SMITH (N.R.) (editors), Bergey's Manual of Determinative Bacteriology, seventh edition, 1957, The Williams & Wilkins Co, Baltimore, p. 595-596.
3 MOORE (W.E.C.) and HOLDEMAN (L.V.): Genus I. Propionibacterium Orla-Jensen 1909, 337. In: R.E. BUCHANAN and N.E. GIBBONS (editors), Bergey's Manual of Determinative Bacteriology, eighth edition, The Williams & Wilkins Co, Baltimore, 1974, pp. 633-641.
2 Propionibacterium acnes (Gilchrist 1900) Douglas and Gunter 1946 (Approved Lists 1980) is an earlier synonym of "Corynebacterium parvum" Prévot 1940. According to Cummins and Johnson [1], the name "Corynebacterium parvum" has been used in immunological and oncological literature to describe the organism which has been extensively used as a reticulostimulant or immunomodulator. However an examination of 59 strains labeled "Corynebacterium parvum" [2] showed that 90% of them were Propionibacterium acnes by serological and physiological tests and by DNA homology, and almost all the remainder were ¤ Propionibacterium avidum (Eggerth 1935) Moore and Holdeman 1969 (Approved Lists 1980). "Corynebacterium parvum" is therefore regarded as a later synonym of Propionibacterium acnes.
References:
1 CUMMINS (C.S.) and JOHNSON (J.L.): Genus I. Propionobacterium Orla-Jensen 1909, 337AL. In: P.H.A. SNEATH, N.S. MAIR, M.E. SHARPE and J.G. HOLT (editors), Bergey's Manual of Systematic Bacteriology, first edition, vol. 2, The Williams & Wilkins Co., Baltimore, 1986, pp. 1346-1353.
2 CUMMINS (C.S.) and JOHNSON (J.L.): Corynebacterium parvum: a synonym for Propionibacterium acnes? J. Gen. Microbiol., 1974, 80, 433-442.
Original article Online

¤ Cutibacterium acnes ((Gilchrist 1900, Douglas and Gunter 1946) Scholz and Kilian et al. 2016, comb. nov.

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Propionibacterium acnes subsp. acnes Dekio et al. 2015, subsp. nov.
Type strain: (see also StrainInfo.net) NCTC 737=ATCC 6919=JCM 6425=DSM 1897=CCUG 1794.
Sequence accession no. (16S rRNA) for the type strain: AB042288.
Whole-genome sequence accession no. for the type strain: -.
Etymology: Gr. n. acme, a point, incorrectly transliterated as M.L. n. acne, acne; M.L. gen. n. acnes, of acne.
Source: Human.
Valid publication: DEKIO, I., CULAK, R., MISRA, R., GAULTON, T., FANG, M., SAKAMOTO, M., OHKUMA, M., OSHIMA, K., HATTORI, M., KLENK, H. P., RAJENDRAM, D., GHARBIA, S. E. and SHAH, H. N. 2015. Dissecting the taxonomic heterogeneity within Propionibacterium acnes: proposal for Propionibacterium acnes subsp. acnes subsp. nov. and Propionibacterium acnes subsp. elongatum subsp. nov. Int. J. Syst. Evol. Microbiol., 65, 4776-4787.
Original article in IJSEM Online


Note: McDowell et al. (2016) proposed to reclassify Propionibacterium acnes type I as Propionibacterium acnes subsp. acnes subsp. nov., although this subspecies was automatically created by the proposal of Propionibacterium acnes subsp. defendens subsp. nov. by Dekio et al. (2015) .
Reference: MCDOWELL, A., BARNARD, E., LIU, J., LI, H. and PATRICK, S. 2016. Proposal to reclassify Propionibacterium acnes type I as Propionibacterium acnes subsp. acnes subsp. nov. and Propionibacterium acnes type II as Propionibacterium acnes subsp. defendens subsp. nov. Int. J. Syst. Evol. Microbiol., 66, 5358-5365.
Article in IJSEM Online

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Propionibacterium acnes subsp. defendens McDowell et al. 2016, subsp. nov.
Type strain: (see also StrainInfo.net) ATCC 11828=JCM 6473=CCUG 6369.
Sequence accession no. (complete genome) for the type strain: NC_017550.
Whole-genome sequence accession no.: NC_017550.
Etymology: L. part. adj. defendens, defending, guarding, protecting; referring to the fact that strains have an active CRISPR/Cas system which guards or controls against foreign mobile genetic elements.
Source: Clinical.
Valid publication: MCDOWELL, A., BARNARD, E., LIU, J., LI, H. and PATRICK, S. 2016. Proposal to reclassify Propionibacterium acnes type I as Propionibacterium acnes subsp. acnes subsp. nov. and Propionibacterium acnes type II as Propionibacterium acnes subsp. defendens subsp. nov. Int. J. Syst. Evol. Microbiol., 66, 5358-5366.
Original article in IJSEM Online

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Propionibacterium acnes subsp. elongatum Dekio et al. 2015, subsp. nov.
Type strain: (see also StrainInfo.net) K124=NCTC 13655=JCM 18919.
Sequence accession no. (16S rRNA) for the type strain: AB777861.
Whole-genome sequence accession no. for the type strain: -.
Etymology: L. neut. part. adj. elongatum, elongated, named after the characteristic cell shape.
Source: Human.
Valid publication: DEKIO, I., CULAK, R., MISRA, R., GAULTON, T., FANG, M., SAKAMOTO, M., OHKUMA, M., OSHIMA, K., HATTORI, M., KLENK, H. P., RAJENDRAM, D., GHARBIA, S. E. and SHAH, H. N. 2015. Dissecting the taxonomic heterogeneity within Propionibacterium acnes: proposal for Propionibacterium acnes subsp. acnes subsp. nov. and Propionibacterium acnes subsp. elongatum subsp. nov. Int. J. Syst. Evol. Microbiol., 65, 4776-4787.
Original article in IJSEM Online

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Propionibacterium australiense Bernard et al. 2002, sp. nov.
Type strain: (see also StrainInfo.net) 98A072 = NML 98A072 = ATCC BAA-264 = CCUG 46075.
Sequence accession no. (16S rRNA gene) for the type strain: AF225962.
Etymology: N.L neut. adj. australiense, of or belonging to Australia, the country where the bacterium was first isolated.
Valid publication: Validation List no. 88. Int. J. Syst. Evol. Microbiol., 2002, 52, 1915-1916.
Effective publication: BERNARD (K.A.), SHUTTLEWORTH (L.), MUNRO (C.), FORBES-FAULKNER (J.C.), PITT (D.), NORTON (J.H.) and THOMAS (A.D.): Propionibacterium australiense sp. nov. derived from granulomatous bovine lesions. Anaerobe, 2002, 8, 41-47.
Validation List no. 88 in IJSEM Online - Effective publication Online

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Propionibacterium avidum (Eggerth 1935) Moore and Holdeman 1969, species.
Type strain: (see also StrainInfo.net) ATCC 25577= CCUG 36754 = CIP 103261 = DSM 4901 = IFO (now NBRC) 15671 = NCTC 11864.
Sequence accession no. (16S rRNA gene) for the type strain: AJ003055.
Synonyms: "Bacteroides avidus" Eggerth 1935, "Corynebacterium avidum" (Eggerth 1935) Prévot 1938, "Mycobacterium avidum" (Eggerth 1935) Krasil'nikov 1949.
Etymology: L. neut. adj. avidum, greedy, voracious.
Approved Lists reference: SKERMAN (V.B.D.), McGOWAN (V.) and SNEATH (P.H.A.) (editors): Approved Lists of Bacterial Names. Int. J. Syst. Bacteriol., 1980, 30, 225-420 (Approved Lists of Bacterial Names in IJSEM Online - Approved Lists of Bacterial Names Amended edition).
Original publication: 1 EGGERTH (A.H.): The gram-positive non-spore-bearing anaerobic bacilli of human feces. Journal of Bacteriology, 1935, 30, 277-299. 2 MOORE (W.E.C.) and HOLDEMAN (L.V.). In: E.P. CATO, C.S. CUMMINS, L.V. HOLDEMAN, J.L. JOHNSON, W.E.C. MOORE, R.M. SMIBERT and L.D.S. SMITH (editors): Outline of Clinical Methods in Anaerobic Bacteriology, Virginia Polytechnic Institute, Anaerobe Laboratory, Blacksburg, Virginia, 1969.

¤ Cutibacterium avidum (Eggerth 1935, Moore and Holdeman 1969) Scholz and Kilian 2016, comb. nov.

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Propionibacterium cyclohexanicum Kusano et al. 1997, sp. nov.
Type strain: (see also StrainInfo.net) TA-12 = ATCC 700429= CCUG 48885 = CIP 105414 = IAM 14535 = JCM 21245 = NBRC 103082 = NRIC 0247.
Sequence accession no. (16S rRNA gene) for the type strain: D82046.
Etymology: Gr. n. kuklos, a circle; Gr. n. hex, the number six; L. neut. suff. -icum, suffix used with the sense of pertaining to; N.L. neut. adj. cyclohexanicum, relating to ω-cyclohexyl fatty acid, the characteristic cellular fatty acid of the organism.
Valid publication: KUSANO (K.), YAMADA (H.), NIWA (M.) and YAMASATO (K.): Propionibacterium cyclohexanicum sp. nov., a new acid-tolerant ω-cyclohexyl fatty acid-containing propionibacterium isolated from spoiled orange juice. Int. J. Syst. Bacteriol., 1997, 47, 825-831.
Original article in IJSEM Online

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Propionibacterium damnosum Lucena-Padrós et al. 2014, sp. nov.
Type strain: (see also StrainInfo.net) IGBL13=CECT 8062=DSM 25450.
Sequence accession no. (16S rRNA) for the type strain: JQ283461.
Etymology: L. neut. adj. damnosum, causing losses, referring to the isolation of the type strain from spoiled olives.
Source: Food.
Valid publication: LUCENA-PADRÓS, H., GONZÁLEZ, J. M., CABALLERO-GUERRERO, B., RUIZ-BARBA, J. L. and MALDONADO-BARRAGÁN, A. 2014. Propionibacterium olivae sp. nov. and Propionibacterium damnosum sp. nov., isolated from spoiled packaged Spanish-style green olives. Int. J. Syst. Evol. Microbiol., 64, 2980-2985.
Original article in IJSEM Online

¤ Acidipropionibacterium damnosum (Lucena-Padrós et al. 2014) Scholz and Kilian 2016, comb. nov.

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Propionibacterium freudenreichii van Niel 1928, species. (Type species of the genus.)
Type strain: (see also StrainInfo.net) ATCC 6207= CCUG 7433 = CIP 103026 = DSM 20271 = HAMBI 274 = IFO (now NBRC) 12424 = LMG 16412 = NCTC 10470 = NRRL B-3523.
Sequence accession no. (16S rRNA gene) for the type strain: X53217.
Synonyms: "Bacterium acidi propionici a" von Freudenreich and Orla-Jensen 1907, "Bacterium acidi propionici d" Sherman 1921.
Etymology: N.L. gen. masc. n. freudenreichii, of Freudenreich; named after Edouard von Freudenreich, the Swiss bacteriologist who first isolated this species.
Approved Lists reference: SKERMAN (V.B.D.), McGOWAN (V.) and SNEATH (P.H.A.) (editors): Approved Lists of Bacterial Names. Int. J. Syst. Bacteriol., 1980, 30, 225-420 (Approved Lists of Bacterial Names in IJSEM Online - Approved Lists of Bacterial Names Amended edition).
Original publication: VAN NIEL (C.B.) (ed.): The propionic acid bacteria, Uitgeverszaak and Boissevain and Co., Haarlem, Holland, 1928, pp. 1-187.

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Propionibacterium freudenreichii subsp. freudenreichii (van Niel 1928) Moore and Holdeman 1970, subspecies.
Type strain: (see also StrainInfo.net) ATCC 6207= CCUG 7433 = CIP 103026 = DSM 20271 = HAMBI 274 = IFO (now NBRC) 12424 = LMG 16412 = NCTC 10470 = NRRL B-3523.
Sequence accession no. (16S rRNA gene) for the type strain: X53217.
Synonym: Propionibacterium freudenreichii van Niel 1928.
Etymology: N.L. gen. masc. n. freudenreichii, of Freudenreich; named after Edouard von Freudenreich, the Swiss bacteriologist who first isolated this species.
Approved Lists reference: SKERMAN (V.B.D.), McGOWAN (V.) and SNEATH (P.H.A.) (editors): Approved Lists of Bacterial Names. Int. J. Syst. Bacteriol., 1980, 30, 225-420 (Approved Lists of Bacterial Names in IJSEM Online - Approved Lists of Bacterial Names Amended edition).
Original publication: 1 VAN NIEL (C.B.) (ed.): The propionic acid bacteria, Uitgeverszaak and Boissevain and Co., Haarlem, Holland, 1928, pp. 1-187. 2 MOORE (W.E.C.) and HOLDEMAN (L.V.): Propionibacterium, Arachnia, Actinomyces, Lactobacillus and Bifidobacterium. In: E.P. CATO, C.S. CUMMINS, L.V. HOLDEMAN, J.L. JOHNSON, W.E.C. MOORE, R.M. SMIBERT and L.D.S. SMITH (editors): Outline of Clinical Methods in Anaerobic Bacteriology, 2nd revision, Virginia Polytechnic Institute, Anaerobe Laboratory, Blacksburg, Virginia, 1970, pp. 15-21.

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Propionibacterium freudenreichii subsp. shermanii (van Niel 1928) Holdeman and Moore 1970, subspecies.
Type strain: (see also StrainInfo.net) ATCC 9614= CCUG 36819 = CIP 103027 = DSM 4902 = LMG 16424.
Sequence accession no. (16S rRNA gene) for the type strain: Y10819.
Synonym: "Propionibacterium shermanii" van Niel 1928.
Etymology: N.L. gen. masc. n. shermanii, of Sherman; named after James M. Sherman, an American bacteriologist.
Approved Lists reference: SKERMAN (V.B.D.), McGOWAN (V.) and SNEATH (P.H.A.) (editors): Approved Lists of Bacterial Names. Int. J. Syst. Bacteriol., 1980, 30, 225-420 (Approved Lists of Bacterial Names in IJSEM Online - Approved Lists of Bacterial Names Amended edition).
Original publication: 1 VAN NIEL (C.B.) (ed.): The propionic acid bacteria, Uitgeverszaak and Boissevain and Co., Haarlem, Holland, 1928, pp. 1-187. 2 MOORE (W.E.C.) and HOLDEMAN (L.V.): Propionibacterium, Arachnia, Actinomyces, Lactobacillus and Bifidobacterium. In: E.P. CATO, C.S. CUMMINS, L.V. HOLDEMAN, J.L. JOHNSON, W.E.C. MOORE, R.M. SMIBERT and L.D.S. SMITH (editors): Outline of Clinical Methods in Anaerobic Bacteriology, 2nd revision, Virginia Polytechnic Institute, Anaerobe Laboratory, Blacksburg, Virginia, 1970, pp. 15-21.

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Propionibacterium granulosum (Prévot 1938) Moore and Holdeman 1970, species.
Type strain: (see also StrainInfo.net) ATCC 25564= CCUG 32987 = CIP 103262 = DSM 20700 = JCM 6498 = LMG 16726 = NCTC 11865.
Sequence accession no. (16S rRNA gene) for the type strain: AJ003057.
Synonyms: "Bacille granuleux" Jungano 1909, "Corynebacterium granulosum" Prévot 1938.
Etymology: L. n. granulum, a small grain; L. neut. suff. -osum, suffix meaning full of; N.L. neut. adj. granulosum, full of granules.
Approved Lists reference: SKERMAN (V.B.D.), McGOWAN (V.) and SNEATH (P.H.A.) (editors): Approved Lists of Bacterial Names. Int. J. Syst. Bacteriol., 1980, 30, 225-420 (Approved Lists of Bacterial Names in IJSEM Online - Approved Lists of Bacterial Names Amended edition).
Original publication: 1 PRÉVOT (A.R.): Études de systématique bactérienne. Annales de l'Institut Pasteur (Paris), 1938, 60, 285-307. 2 MOORE (W.E.C.) and HOLDEMAN (L.V.): Propionibacterium, Arachnia, Actinomyces, Lactobacillus and Bifidobacterium. In: E.P. CATO, C.S. CUMMINS, L.V. HOLDEMAN, J.L. JOHNSON, W.E.C. MOORE, R.M. SMIBERT and L.D.S. SMITH (editors): Outline of Clinical Methods in Anaerobic Bacteriology, 2nd revision, Virginia Polytechnic Institute, Anaerobe Laboratory, Blacksburg, Virginia, 1970, pp. 15-21.

¤ Cutibacterium granulosum (Prévot 1938, Moore and Holdeman 1970) Scholz and Kilian 2016, comb. nov.

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Propionibacterium innocuum Pitcher and Collins 1992, sp. nov.
Type strain: (see also StrainInfo.net) L60 = ATCC 49929= CCUG 33480 = DSM 8251 = JCM 13395 = LMG 16732 = NCTC 11082.
Sequence accession no. (16S rRNA gene) for the type strain: AF227165.
Etymology: L. fem. adj. innocua, harmless.
Valid publication: Validation List no. 41. Int. J. Syst. Bacteriol., 1992, 42, 327-328.
Effective publication: PITCHER (D.G.) and COLLINS (M.D.): Phylogenetic analysis of some LL-diaminopimelic acid-containing coryneform bacteria from human skin: description of Propionibacterium innocuum sp. nov. FEMS Microbiol. Lett., 1991, 84, 295-300.
Validation List no. 41 in IJSEM Online - Effective publication Online

¤ Propioniferax innocua (Pitcher and Collins 1992) Yokota et al. 1994, comb. nov.

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Propionibacterium jensenii van Niel 1928, species.
Type strain: (see also StrainInfo.net) ATCC 4868= CCUG 48883 = CIP 103028 = DSM 20535.
Sequence accession no. (16S rRNA gene) for the type strain: AJ704571.
Synonyms: "Bacterium acidi propionici b" von Freudenreich and Orla-Jensen 1907, "Propionibacterium jensenii var. raffinosaceum" van Neil 1928, "Propionibacterium peterssonii" van Niel 1928, "Propionibacterium technicum" van Niel 1928, "Propionibacterium raffinosaceum" Werkman and Kendall 1931, "Propionibacterium zeae" Hitchner 1932.
Etymology: N.L. gen. masc. n. jensenii, of Jensen; named after Sigurd Orla-Jensen (1870–1949), the Danish bacteriologist who first isolated this organism.
Approved Lists reference: SKERMAN (V.B.D.), McGOWAN (V.) and SNEATH (P.H.A.) (editors): Approved Lists of Bacterial Names. Int. J. Syst. Bacteriol., 1980, 30, 225-420 (Approved Lists of Bacterial Names in IJSEM Online - Approved Lists of Bacterial Names Amended edition).
Original publication: VAN NIEL (C.B.) (ed.): The propionic acid bacteria, Uitgeverszaak and Boissevain and Co., Haarlem, Holland, 1928, pp. 1-187.

¤ Acidipropionibacterium jensenii (van Niel 1928) Scholz and 2016, comb. nov.

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Propionibacterium lymphophilum (Torrey 1916) Johnson and Cummins 1972, species.
Type strain: (see also StrainInfo.net) ATCC 27520= CCUG 27816 = CIP 103263 = DSM 4903 = JCM 5829 = LMG 16728 = NCTC 11866 = VPI 7625B.
Sequence accession no. (16S rRNA gene) for the type strain: AJ003056.
Synonyms: "Bacillus lymphophilus" Torrey 1916, "Corynebacterium lymphophilum" (Torrey 1916) Eberson 1918, "Mycobacterium lymphophilum" (Torrey 1916) Krasil'nikov 1949.
Etymology: L. fem. n. lympha, water, clear water, and in biology lymph; N.L. neut. adj. philum (from Gr. neut. adj. philon), friend, loving; N.L. neut. adj. lymphophilum, lymph-loving.
Approved Lists reference: SKERMAN (V.B.D.), McGOWAN (V.) and SNEATH (P.H.A.) (editors): Approved Lists of Bacterial Names. Int. J. Syst. Bacteriol., 1980, 30, 225-420 (Approved Lists of Bacterial Names in IJSEM Online - Approved Lists of Bacterial Names Amended edition).
Original publication: 1 TORREY (J.C.): Bacteria associated with certain types of abnormal lymph glands. Journal of Medical Research, 1916, 34, 65-80. 2 JOHNSON (J.L.) and CUMMINS (C.S.): Cell wall composition and deoxyribonucleic acid similarities among the anaerobic coryneforms, classical propionibacteria, and strains of Arachnia propionica. Journal of Bacteriology, 1972, 109, 1047-1066.

¤ Propionimicrobium lymphophilum (Torrey 1916) Stackebrandt et al. 2002, comb. nov.

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Propionibacterium microaerophilum Koussémon et al. 2001, sp. nov.
Type strain: (see also StrainInfo.net) M5 = CNCM I-2360 = DSM 13435.
Sequence accession no. (16S rRNA gene) for the type strain: AF234623.
Etymology: Gr. adj. mikros, small, Gr. n. aer, air; N.L. neut. adj. philum (from Gr. neut. adj. philon), loving; N.L. neut. adj. microaerophilum, slightly air-loving.
Valid publication: KOUSSÉMON (M.), COMBET-BLANC (Y.), PATEL (B.K.C.), CAYOL (J.L.), THOMAS (P.), GARCIA (J.L.) and OLLIVIER (B.): Propionibacterium microaerophilum sp. nov., a microaerophilic bacterium isolated from olive mill wastewater. Int. J. Syst. Evol. Microbiol., 2001, 51, 1373-1382.
Original article in IJSEM Online

Note: CNCM is solely set up to deal with deposits on a confidential basis (i.e. patent deposits under the Budapest Treaty). Strain CNCM I-2360 is probably a patent deposit.

¤ Acidipropionibacterium microaerophilum (Koussémon et al. 2001) Scholz and Kilian et al. 2016, sp. nov.

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Propionibacterium namnetense Aubin et al. 2016, sp. nov.
Type strain: (see also StrainInfo.net) NTS 31307302=DSM 29427=CCUG 66358.
Sequence accession no. (16S rRNA) for the type strain: KM507346.
Whole-genome sequence accession no. for the type strain: .
Etymology: N.L. neut. adj. namnetense, of Namnetum, the Latin name of Nantes, France, where the organism was originally isolated.
Source: Clinical.
Valid publication: AUBIN, G. G., BEMER, P., KAMBAREV, S., PATEL, N. B., LEMENAND, O., CAILLON, J., LAWSON, P. A. and CORVEC, S. 2016. Propionibacterium namnetense sp. nov., isolated from a human bone infection. Int. J. Syst. Evol. Microbiol., 66, 3393-3399.
Original article in IJSEM Online

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Propionibacterium olivae Lucena-Padrós et al. 2014, sp. nov.
Type strain: (see also StrainInfo.net) IGBL1=CECT 8061=DSM 25436.
Sequence accession no. (16S rRNA) for the type strain: JQ283460.
Etymology: L. gen. n. olivae of an olive, referring to the isolation of the strains from olives.
Source: Food.
Valid publication: LUCENA-PADRÓS, H., GONZÁLEZ, J. M., CABALLERO-GUERRERO, B., RUIZ-BARBA, J. L. and MALDONADO-BARRAGÁN, A. 2014. Propionibacterium olivae sp. nov. and Propionibacterium damnosum sp. nov., isolated from spoiled packaged Spanish-style green olives. Int. J. Syst. Evol. Microbiol., 64, 2980-2985.
Original article in IJSEM Online

¤ Acidipropionibacterium olivae (Lucena-Padró et al. 2014) Scholz and Kilian 2016, comb. nov.

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Propionibacterium propionicum corrig. (Buchanan and Pine 1962) Charfreitag et al. 1988, comb. nov.
Type strain: (see also StrainInfo.net) ATCC 14157= CCUG 4939 = CIP 101941 = DSM 43307 = IFO (now NBRC) 14587 = JCM 5830 = NCTC 12967 = VKM Ac-1449.
Sequence accession no. (16S rRNA gene) for the type strain: AJ003058.
Basonym: ¤ Arachnia propionica (Buchanan and Pine 1962) Pine and Georg 1969 (Approved Lists 1980).
Other synonym: "Actinomyces propionicus" Buchanan and Pine 1962.
Etymology: N.L. n. acidum propionicum, propionic acid; L. neut. suff. -icum, suffix used with the sense of pertaining to; N.L. neut. adj. propionicum, pertaining to propionic acid.
Valid publication: CHARFREITAG (O.), COLLINS (M.D.) and STACKEBRANDT (E.): Reclassification of Arachnia propionica as Propionibacterium propionicus comb. nov. Int. J. Syst. Bacteriol., 1988, 38, 354-357.
Original article in IJSEM Online

Note: The original spelling of the specific epithet, propionicus (sic), has been corrected by Moore and Moore 1992.
Reference: MOORE (W.E.C.) and MOORE (L.V.H.): Index of the bacterial and yeast nomenclatural changes published in the International Journal of Systematic Bacteriology since the 1980 Approved Lists of bacterial names (1 January 1980 to 1 January 1992). American Society for Microbiology, Washington, D.C., 1992.

¤ Pseudopropionibacterium propionicum (Buchanan and Pine 1962, Charfreitag et al. 1988) Scholz and Kilian 2016, comb. nov.

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Propionibacterium thoenii van Niel 1928, species.
Type strain: (see also StrainInfo.net) ATCC 4874= CCUG 28149 = CIP 103029 = DSM 20276 = HAMBI 247 = JCM 6437 = LMG 16455.
Sequence accession no. (16S rRNA gene) for the type strain: AJ704572.
Synonyms: "Bacterium acidi propionici var. rubrum" Thöni and Allemann 1910, "Propionibacterium rubrum" van Niel 1928.
Etymology: N.L. gen. masc. n. thoenii, of Thöni; named after J. Thöni, the Swedish bacteriologist who first isolated this organism.
Approved Lists reference: SKERMAN (V.B.D.), McGOWAN (V.) and SNEATH (P.H.A.) (editors): Approved Lists of Bacterial Names. Int. J. Syst. Bacteriol., 1980, 30, 225-420 (Approved Lists of Bacterial Names in IJSEM Online - Approved Lists of Bacterial Names Amended edition).
Original publication: VAN NIEL (C.B.) (ed.): The propionic acid bacteria, Uitgeverszaak and Boissevain and Co., Haarlem, Holland, 1928, pp. 1-187.

¤ Acidipropionibacterium thoenii (van Niel 1928) Scholz and Kilian 2016, comb. nov.

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