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HOME > J. Microbiol > Volume 58(1); 2020 > Article
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Paraflavitalea soli gen. nov., sp. nov., isolated from greenhouse soil
Jun Heo , Hang-Yeon Weon , Hayoung Cho , Seung-Beom Hong , Jeong-Seon Kim , Soo-Jin Kim , Soon-Wo Kwon
Journal of Microbiology 2020;58(1):17-23.
DOI: https://doi.org/10.1007/s12275-020-9236-y
Published online: November 23, 2019
Agricultural Microbiology Division, National Institute of Agricultural Sciences, Rural Development Administration, Jeollabuk-do 55365, Republic of KoreaAgricultural Microbiology Division, National Institute of Agricultural Sciences, Rural Development Administration, Jeollabuk-do 55365, Republic of Korea
Corresponding author:  Soo-Jin Kim , Tel: +82-63-238-3027, 
Received: 10 May 2019   • Revised: 29 August 2019   • Accepted: 27 September 2019
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Abstract

A bacterial strain designated 5GH32-13T was isolated from greenhouse soil in Yongin-city, Republic of Korea. Cells were Gram-stain-negative, strictly aerobic, motile rods of two different shapes. The strain was catalase-positive and oxidasenegative. Flexirubin-like pigments were not detected. β-Carotene was produced. The strain grew in the range of 10–37°C (optimum of 28–30°C) and pH 6–8 (optimum of pH 7) and tolerated up to 1% (w/v) NaCl (optimum of 0%). According to the 16S rRNA gene sequence comparison, strain 5GH32- 13T shared a sequence similarity of less than 96.0% with all validly named taxa, having the highest sequence similarity with Pseudoflavitalea soli KIS20-3T (95.8%), Pseudoflavitalea rhizosphaerae T16R-265T (95.4%), Flavitalea gansuensis JCN-23T (95.3%), Pseudobacter ginsenosidimutans Gsoil 221T (95.3%), and Flavitalea populi HY-50RT (95.2%). A phylogenetic tree showed that strain 5GH32-13T was not grouped consistently into any specific genus. Its only polyamine was homospermidine, and its major fatty acids (> 10% of total fatty acids) were iso-C15:0, iso-C17:0 3-OH, and iso-C15:1 G. The strain’s only respiratory quinone was MK-7, and its polar lipids were phosphatidylethanolamine, one unidentified phospholipid, six unidentified aminolipids and four unidentified lipids. Its DNA G + C content was 47.5 mol%. The results from chemotaxonomic, phenotypic and phylogenetic analyses indicated that strain 5GH32-13T represents a novel species of a novel genus of the family Chitinophagaceae, and the name Paraflavitalea soli gen. nov., sp. nov. is proposed. The type strain is 5GH32-13T (= KACC 17331T = JCM 33061T).

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    Paraflavitalea soli gen. nov., sp. nov., isolated from greenhouse soil
    J. Microbiol. 2020;58(1):17-23.   Published online November 23, 2019
    DOI: https://doi.org/10.1007/s12275-020-9236-y
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