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A Gram-stain-positive, aerobic, non-motile, rod-shaped bacterium, designated strain CF5-4T, was isolated from iron mining powder. 16S rRNA gene sequence analysis grouped strain CF5-4T in a single cluster with Actinotalea fermentans DSM 3133T (97.6 % similarity). The major fatty acids (>5 %) of strain CF5-4T were anteiso-C15 : 0, anteiso-C15 : 1 A, C16 : 0, iso-C16 : 0, iso-C15 : 0 and anteiso-C17 : 0. The predominant respiratory quinone was MK-10(H4) and the genomic DNA G+C content was 74.7 mol%. The major polar lipids were diphosphatidylglycerol and one unidentified phosphoglycolipid. The peptidoglycan type of strain CF5-4T was A4β, containing l-Orn–d-Ser–d-Asp. The cell-wall sugars were rhamnose, fucose, mannose and galactose. The results of DNA–DNA hybridization in combination with the comparison of phenotypic and phylogenetic characteristics among strain CF5-4T and related micro-organisms revealed that the isolate represents a novel species of the genus Actinotalea , for which the name Actinotalea ferrariae sp. nov. is proposed. The type strain is CF5-4T ( = KCTC 29134T = CCTCC AB2012198T).
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