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Species Amycolatopsis nigrescens
Name: Amycolatopsis nigrescens Groth et al. 2007
Etymology: ni.gres’cens. L. v. nigresco, to become black; L. fem. part. adj. nigrescens, becoming black
Pronunciation, gender: ni-GRES-kens, feminine
Type strain: CSC17Ta-90; DSM 44992; HKI 330; JCM 14717; NRRL B-24473
See detailed strain information at
Conduct genome-based taxonomy at
16S rRNA gene:
DQ486888
Analyse
FASTA
Valid publication:
Groth I, Tan GY, Gonzalez JM, Laiz L, Carlsohn MR, Schutze B, Wink J, Goodfellow M. Amycolatopsis nigrescens sp. nov., an actinomycete isolated from a Roman catacomb. Int J Syst Evol Microbiol 2007; 57:513-519. 
IJSEM list:
Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 57, part 3 of the IJSEM. Int J Syst Evol Microbiol 2007; 57:1173-1174.
Nomenclatural status: validly published under the ICNP
Taxonomic status: correct name (and explicitly recommended for medical use)
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Emendations:
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Nouioui et al. 2018
Nouioui I, Carro L, Garcia-Lopez M, Meier-Kolthoff JP, Woyke T, Kyrpides NC, Pukall R, Klenk HP, Goodfellow M, Goker M. Genome-Based Taxonomic Classification of the Phylum Actinobacteria. Front Microbiol 2018; 9:2007.
Oren A, Garrity GM. List of changes in taxonomic opinion no. 29. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2019; 69:13-32.
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Nouioui et al. 2018
Nouioui I, Carro L, Garcia-Lopez M, Meier-Kolthoff JP, Woyke T, Kyrpides NC, Pukall R, Klenk HP, Goodfellow M, Goker M. Genome-Based Taxonomic Classification of the Phylum Actinobacteria. Front Microbiol 2018; 9:2007.
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Notes:
- 😷 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 6 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 other species in the genus.
Parent taxon: Amycolatopsis Lechevalier et al. 1986
Assigned by:
Groth I, Tan GY, Gonzalez JM, Laiz L, Carlsohn MR, Schutze B, Wink J, Goodfellow M. Amycolatopsis nigrescens sp. nov., an actinomycete isolated from a Roman catacomb. Int J Syst Evol Microbiol 2007; 57:513-519.
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Record number: 786031
This LPSN page was printed on 2025-11-14 12:45:15