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Amycolatopsis saalfeldensis sp. nov., a novel actinomycete isolated from a medieval alum slate mine

Marc René Carlsohn¹, Ingrid Groth¹, Geok Yuan Annie Tan², Barbara Schütze¹, Hans-Peter Saluz¹, Thomas Munder^1,, Jun Yang³, Joachim Wink⁴ and Michael Goodfellow⁵

¹ Leibniz-Institut für Naturstoff-Forschung und Infektionsbiologie eV, Hans-Knöll-Institut, Beutenbergstrasse 11a, 07745 Jena, Germany
² Division of Microbiology, Institute of Biological Sciences, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia
³ Universität Tübingen, Biologisches Institut, Auf der Morgenstelle 28, 72076 Tübingen, Germany
⁴ Sanofi-Aventis Deutschland GmbH, Industriepark Hoechst, 65926 Frankfurt (Main), Germany
⁵ Division of Biology, University of Newcastle, Newcastle upon Tyne NE1 7RU, UK

Correspondence
Ingrid Groth
Ingrid.Groth{at}hki-jena.de

Three actinomycetes isolated from the surfaces of rocks in a medieval slate mine were examined in a polyphasic taxonomic study. Chemotaxonomic and morphological characteristics of the isolates were typical of strains of the genus Amycolatopsis. The isolates had identical 16S rRNA gene sequences and formed a distinct phyletic line towards the periphery of the Amycolatopsis mediterranei clade, being most closely related to Amycolatopsis rifamycinica. The organisms shared a wide range of genotypic and phenotypic markers that distinguished them from their closest phylogenetic neighbours. On the basis of these results, a novel species, Amycolatopsis saalfeldensis sp. nov., is proposed. The type strain is HKI 0457^T (=DSM 44993^T=NRRL B-24474^T).

A dendrogram showing relationships between the isolates and between them and the type strains of closely related Amycolatopsis species based on MALDI-TOF MS data is available with the online version of this paper.

Present address: CLONDIAG Chip Technologies GmbH, Löbstedter Strasse 103-105, 07749 Jena, Germany.

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