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Updated: Feb 11, 2026

An Optimized Enrichment Technique for the Isolation of Arthrobacter Bacteriophage Species from Soil Sample Isolates
Published on: April 9, 2015
Propionicimonas ferrireducens sp. nov., isolated from dissimilatory iron(III)-reducing microbial enrichment obtained
Guo-Wei Zhou1,2, Xiao-Ru Yang1, Mohammed A M Wadaan3
1Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, PR China.
Abstract:
A novel strain, designated Y1A-10 4-9-1T, with Gram-stain-positive and rod-shaped cells, was isolated from paddy soil in Yingtan, Jiangxi, China. Cells were 0.15-0.2 µm wide and 1.5-3.3 µm long. The optimal growth temperature was 30 °C and the optimal pH was 7.0. Phylogenetic analysis based on 16S rRNA gene sequences indicated that the novel strain is closely related to Propionicimonas paludicola JCM 11933T (98.57 %). The genomic DNA G+C content was 63.9 mol%. The predominant menaquinone was MK-9(H4) and meso-diaminopimelic acid was present in the cell-wall peptidoglycan layer. The major polar lipids were diphosphatidylglycerol, one unidentified phospholipid and two unidentified lipids. The dominant cellular fatty acids detected were anteiso-C15 : 0 and iso-C16 : 0. The phylogenetic and phenotypic results supported that strain Y1A-10 4-9-1T is a novel species of the genus Propionicimonas, for which the name Propionicimonas ferrireducens sp. nov. is proposed. The type strain is Y1A-10 4-9-1T (=CCTCC AB 2016249T=KCTC 15566T=LMG 29810T).
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