Nocardioides daphniae sp. nov., isolated from Daphnia cucullata (Crustacea: Cladocera)

Erika M. Tóth, Zsuzsa Kéki, Zalán G. Homonnay, Andrea K. Borsodi, Károly Márialigeti, Peter Schumann

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

A Gram-positive, rod-shaped or coccoid, yellow-pigmented bacterial strain, D287T, 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 D287T to the genus Nocardioides: peptidoglycan based on LL-2,6-diaminopimelic acid, MK-8(H4) as the major menaquinone, iso-C16:0 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 1 6S rRNA gene sequence similarity to its phylogenetically closest neighbours; that were below 97 %, strain D287T 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 D287T (=DSM 18664T=CCM 7403T).

Original languageEnglish
Pages (from-to)78-83
Number of pages6
JournalInternational journal of systematic and evolutionary microbiology
Volume58
Issue number1
DOIs
Publication statusPublished - Jan 1 2008

ASJC Scopus subject areas

  • Microbiology
  • Ecology, Evolution, Behavior and Systematics

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