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Int J Syst Evol Microbiol 53 (2003), 801-805; DOI  10.1099/ijs.0.02341-0
© 2003 International Union of Microbiological Societies

Streptomyces speibonae sp. nov., a novel streptomycete with blue substrate mycelium isolated from South African soil

Paul R. Meyers, Donovan S. Porter, Clifford Omorogie, J. Motsamai Pule and Thembelani Kwetane

Department of Molecular and Cell Biology, University of Cape Town, Private Bag 1, Rondebosch, 7701 Cape Town, South Africa

Correspondence
Paul R. Meyers
pmeyers{at}science.uct.ac.za

An actinomycete with blue substrate mycelium was isolated from a soil sample in Cape Town, South Africa, and designated strain PK-BlueT. The colour of the substrate mycelium was not sensitive to changes in pH. The organism produced hairy spores in Spirales-type spore chains. Chemical taxonomy indicated that it belonged to the genus Streptomyces. Strain PK-BlueT produced no diffusible pigments other than melanin, grew at 45 °C, did not degrade adenine and exhibited no antibacterial activity against Enterococcus faecium, Escherichia coli or Pseudomonas aeruginosa. Analysis of its 16S rRNA gene sequence and the results of physiological tests showed that strain PK-BlueT (=DSM 41797T=ATCC BAA-411T) represents the type strain of a novel species of Streptomyces, for which the name Streptomyces speibonae sp. nov. is proposed.

Abbreviations: DAP, diaminopimelic acid; ISP, International Streptomyces Project

The GenBank accession number for the 16S rRNA gene sequence of Streptomyces speibonae DSM 41797T (=ATCC BAA-411T) is AF452714.






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