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  • Title: Nocardioides daphniae sp. nov., isolated from Daphnia cucullata (Crustacea: Cladocera).
    Author: Tóth EM, Kéki Z, Homonnay ZG, Borsodi AK, Márialigeti K, Schumann P.
    Journal: Int J Syst Evol Microbiol; 2008 Jan; 58(Pt 1):78-83. PubMed ID: 18175687.
    Abstract:
    A Gram-positive, rod-shaped or coccoid, yellow-pigmented bacterial strain, D287(T), was isolated from the water flea Daphnia cucullata (Crustacea: Cladocera) collected from Lake Balaton in Hungary. Phylogenetic analysis on the basis of 16S rRNA gene sequence comparisons revealed that the strain represented a distinct lineage within the cluster of the genera Nocardioides and Marmoricola. The following characteristics were consistent with the affiliation of strain D287(T) to the genus Nocardioides: peptidoglycan based on LL-2,6-diaminopimelic acid, MK-8(H(4)) as the major menaquinone, iso-C(16:0) as the predominant cellular fatty acid, the presence of phosphatidylglycerol and diphosphatidylglycerol and a DNA G+C content of 69.9 mol%. Owing to characteristic differences in physiological traits and levels of 16S rRNA gene sequence similarity to its phylogenetically closest neighbours that were below 97%, strain D287(T) is considered to represent a novel species of the genus Nocardioides, for which the name Nocardioides daphniae sp. nov. is proposed. The type strain is D287(T) (=DSM 18664(T)=CCM 7403(T)).
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