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Species Nocardia calcarea
Name: Nocardia calcarea Metcalfe and Brown 1957 (Approved Lists 1980)
Etymology: cal.ca’re.a. N.L. fem. adj. calcarea, chalky
Pronunciation (Latin), gender: … kal-KA-re-a, feminine
Type strain: ATCC 19369; DSM 43188; JCM 3191; KCTC 9077
16S rRNA gene:
X80618
Analyse
FASTA
Effective publication:
Metcalfe G, Brown ME. Nitrogen fixation by new species of Nocardia. J Gen Microbiol 1957; 17:567-572. 
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: Rhodococcus erythropolis (Gray and Thornton 1928) Goodfellow and Alderson 1979 (Approved Lists 1980)
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Synonyms:
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Name Kind Rhodococcus baikonurensis Li et al. 2004 heterotypic synonym, validly published under the ICNP "Mycobacterium erythropolis" Gray and Thornton 1928 heterotypic synonym, not validly published, basonym of name in Approved Lists Rhodococcus enclensis Dastager et al. 2014 heterotypic synonym, validly published under the ICNP "Nocardia erythropolis" (Gray and Thornton 1928) Waksman and Henrici 1948 heterotypic synonym, not validly published Rhodococcus erythropolis (Gray and Thornton 1928) Goodfellow and Alderson 1979 (Approved Lists 1980) heterotypic synonym, validly published under the ICNP Rhodococcus qingshengii Xu et al. 2007 heterotypic synonym, validly published under the ICNP Rhodococcus degradans Švec et al. 2015 heterotypic synonym, validly published under the ICNP Rhodococcus jialingiae Wang et al. 2010 heterotypic synonym, validly published under the ICNP Arthrobacter picolinophilus Tate and Ensign 1974 (Approved Lists 1980) heterotypic synonym, validly published under the ICNP
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Notes:
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⏲ According to Rainey et al. (1995), this species is a later heterotypic synonym of "Mycobacterium erythropolis" Gray and Thornton 1928.
Publication:
Rainey FA, Burghardt J, Kroppenstedt R, Klatte S, Stackebrandt E. Polyphasic evidence for the transfer of Rhodococcus roseus to Rhodococcus rhodochrous. Int. J. Syst. Bacteriol. 1995; 45:101-103. 🇩🇪
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⏲ According to Rainey et al. (1995), this species is a later heterotypic synonym of Rhodococcus erythropolis (Gray and Thornton 1928) Goodfellow and Alderson 1979 (Approved Lists 1980).
Publication:
Rainey FA, Burghardt J, Kroppenstedt R, Klatte S, Stackebrandt E. Polyphasic evidence for the transfer of Rhodococcus roseus to Rhodococcus rhodochrous. Int. J. Syst. Bacteriol. 1995; 45:101-103. 🇩🇪
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⏲ According to Rainey et al. (1995), this species is a later heterotypic synonym of "Nocardia erythropolis" (Gray and Thornton 1928) Waksman and Henrici 1948.
Publication:
Rainey FA, Burghardt J, Kroppenstedt R, Klatte S, Stackebrandt E. Polyphasic evidence for the transfer of Rhodococcus roseus to Rhodococcus rhodochrous. Int. J. Syst. Bacteriol. 1995; 45:101-103. 🇩🇪
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⏰ According to Koch et al. (1995), this species is an earlier heterotypic synonym of Arthrobacter picolinophilus Tate and Ensign 1974 (Approved Lists 1980).
Publication:
Koch C, Klatte S, Schumann P, Burghardt J, Kroppenstedt RM, Stackebrandt E. Transfer of Arthrobacter picolinophilus Tate and Ensign 1974 to Rhodococcus erythropolis. Int. J. Syst. Bacteriol. 1995; 45:576-577. 🇩🇪
- ❗ Nocardia calcarea 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 Nocardia.
- 😷 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 3 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 Rainey et al. (1995), this species is a later heterotypic synonym of "Mycobacterium erythropolis" Gray and Thornton 1928.
Publication:
Rainey FA, Burghardt J, Kroppenstedt R, Klatte S, Stackebrandt E. Polyphasic evidence for the transfer of Rhodococcus roseus to Rhodococcus rhodochrous. Int. J. Syst. Bacteriol. 1995; 45:101-103.
Parent taxon: Nocardia Trevisan 1889 (Approved Lists 1980)
Assigned by:
Metcalfe G, Brown ME. Nitrogen fixation by new species of Nocardia. J Gen Microbiol 1957; 17:567-572.
Linking: To permanently link to this page, use https://doi.org/10.83108/rn.778698Link copied to clipboard
This LPSN page was printed on 2026-06-10 16:07:07