A novel Gram-stain-positive actinobacterium, designated H25-14(T), was isolated from a sea sediment sample, and its taxonomic position was investigated by a polyphasic approach. The peptidoglycan type of strain H25-14(T) was A4α and lysine was the diagnostic diamino acid of the peptidoglycan. The predominant menaquinone was MK-9(H4) and the major fatty acids were anteiso-C15 : 0 and iso-C15 : 0. The DNA G+C content was 73.2 mol%. Phylogenetic analysis based on 16S rRNA gene sequence comparisons revealed that strain H25-14(T) was closely related to Paraoerskovia marina NBRC 104352(T) (98.3 %). However, DNA-DNA hybridization data and phenotypic characteristics revealed that strain H25-14(T) differed from P. marina NBRC 104352(T). Therefore, strain H25-14(T) represents a novel species of the genus Paraoerskovia, for which the name Paraoerskovia sediminicola sp. nov. is proposed. The type strain is H25-14(T) ( = NBRC 108565(T) = DSM 25477(T)). An emended description of the genus Paraoerskovia is also proposed.
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