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Strain DSM 7029, isolated from a soil sample in Greece, can produce antitumour glidobactins, and has been found, as a heterologous host, to produce useful nonribosomal peptide synthetase–polyketide synthase hybrid molecules known as epothilones. This strain was originally named ‘ Polyangium brachysporum’ of the family Polyangiaceae and the order Myxococcales . However, phylogenetic analysis of the 16S rRNA gene sequence of strain DSM 7029 indicated that it was clustered with members of Schlegelella . Significant growth occurred at 25–42 °C, pH 5.0–10.0 and in the presence of 0–0.2 % (w/v) NaCl. The predominant ubiquinone was Q-8. The major fatty acids were C16 : 1ω7c/C16 : 1ω6c, C16 : 0 and C18 : 1ω7c. The G+C content of genomic DNA was 67.51 mol%. The strain was clearly distinguishable from other neighbouring Schlegelella members and genera Caldimonas and Zhizhongheella , using phylogenetic analysis, fatty acid composition data and a range of physiological and biochemical characteristics and genome analysis. Therefore, strain DSM 7029 represents a novel species of the genus Schlegelella , for which the name Schlegelella brevitalea sp. nov. is proposed.
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