Open AccessStreptomyces africanus sp. nov., a novel streptomycete with blue aerial mycelium
Author(s) -
Paul R. Meyers,
Candice Goodwin,
Jessica A. Bennett,
Bronwen Aken,
Claire E. Price,
Jason van Rooyen
Publication year - 2004
Publication title -
international journal of systematic and evolutionary microbiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.925
H-Index - 173
eISSN - 1466-5034
pISSN - 1466-5026
DOI - 10.1099/ijs.0.02738-0
Subject(s) - biology , mycelium , microbiology and biotechnology , 16s ribosomal rna , streptomyces , spore , bacteria , enterococcus faecium , botany , strain (injury) , antibiotics , genetics , anatomy
An actinomycete with blue aerial mycelium and yellow substrate mycelium was isolated from a suburban soil sample collected in Cape Town, South Africa and named strain CPJVR-HT. The colour of the substrate mycelium was not sensitive to changes in pH. The organism produced spiny spores in Spirales spore chains. Chemical taxonomy indicated that it is a member of the genus Streptomyces. Strain CPJVR-HT grew at 45 degrees C and did not produce melanin or any diffusible pigments. It exhibited weak antibacterial activity against a clinical isolate of Enterococcus faecium, but no antibacterial activity against Escherichia coli ATCC 25922 or Pseudomonas aeruginosa ATCC 27853. Analysis of its 16S rRNA gene sequence, DNA-DNA hybridization studies and the results of physiological tests showed that this strain represents a novel species of Streptomyces, for which the name Corynebacterium aurimucosum [corrected] nov. is proposed. The type strain is CPJVR-HT (= NRRL B-24243T [corrected] = DSM 41829T).
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