Rheinheimera chironomi sp. nov., isolated from a chironomid (Diptera; Chironomidae) egg mass

Malka Halpern, Yigal Senderovich, Sagi Snir

Research output: Contribution to journalArticlepeer-review

Abstract

A Gram-negative, rod-shaped bacterial strain, designated K19414T was isolated from a chironomid (Diptera; Chironomidae) egg mass which was sampled from Kishon River in northern Israel. Phylogenetic analysis based on the 16S rRNA gene sequence positioned the novel strain among the genus Rheinheimera, with closest similarity to Rheinheimera pacifica KMM 1406T. The levels of similarity to type strains of Rheinheimera species were lower than 96.5 %. Isolate K19414T is aerobic, motile by means of a single polar flagellum, catalase-negative and oxidase-positive; growth was observed at salinities of 0-2 % NaCI and the temperature for growth ranged from 4 to 40 °C. The major cellular fatty acids are 16: 0 (14.8 %) and 16: 1w7c and/or 15:0 iso 2-OH (25.76%). The DNA G+C content is 49.9 mol%. On the basis of its phenotypic properties and phylogenetic distinctiveness, strain K19414T (=LMG 23818T =DSM 18694T) was classified in the genus Rheinheimera as the type strain of a novel species, for which the name Rheinheimera chironomi sp. nov. is proposed.

Original languageEnglish
Pages (from-to)1872-1875
Number of pages4
JournalInternational Journal of Systematic and Evolutionary Microbiology
Volume57
Issue number8
DOIs
StatePublished - Aug 2007

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Microbiology

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