sp. nov., isolated from wastewater of an acidic water neutralization facility Free

Abstract

A non-motile, red–pink-coloured, rod-shaped bacterium, designated strain POB6, was isolated from a wastewater treatment facility, Republic of Korea. Cells were Gram-stain-negative, aerobic, catalase-positive and oxidase-negative. The major fatty acids were iso-C, Cω5, summed feature 3 (Cω6 and/or Cω7) and summed feature 4 (iso-C I and/or anteiso-C B). The strain contained menaquinone MK-7 as the only isoprenoid quinone, phosphatidylethanolamine as the major polar lipid and homospermidine as the major polyamine. The DNA G+C content was 61 mol%. A phylogenetic tree based on 16S rRNA gene sequences showed that strain POB6 forms a distinct evolutionary lineage within the radiation enclosing the members of the genus , sharing the highest similarity with WPCP131 (97.5 %) followed by X2-1g (97.2 %), A1-12 (97.2 %) and Txg-1 (97.1 %). A number of phenotypic characteristics distinguished strain POB6 from related members of the genus . On the basis of the evidence presented in this study, a novel species, sp. nov., is proposed, with POB6 (=KCTC 52271=JCM 31659) as the type strain.

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2017-07-01
2024-03-28
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