Rhodoferax koreense sp. nov, an obligately aerobic bacterium within the family Comamonadaceae, and emended description of the genus Rhodoferax
2017
Mohamed El-Agamy Farh, Kyung Hee University, Yongin, Republic of Korea | Kim, Y.J., Kyung Hee University, Yongin, Republic of Korea | Priyanka Singh, Kyung Hee University, Yongin, Republic of Korea | Jung, S.Y., Kyung Hee University, Yongin, Republic of Korea | Kang, J.P., Kyung Hee University, Yongin, Republic of Korea | Yang, D.C., Kyung Hee University, Yongin, Republic of Korea
Gram-staining-negative, uniflagellated, rod-shaped, designated as DCY110T , was isolated from sludge located in Gangwon province, Republic of Korea. The phylogenetic tree of 16S rRNA gene sequence showed that the strain DCY110T belonged to the genus Rhodoferax with a close similarity to Rhodoferax saidenbachensis DSM 22694T (97.7%), Rhodoferax antarcticus DSM 24876T (97.5%), Rhodoferax ferrireducens DSM 15236T (97.3%), and Rhodoferax fermentans JCM 7819T (96.7%). The predominant isoprenoid quinine was ubiquinone (Q-8). DNA G + C content was 62.8 mol%. The major polar lipids were phosphatidylethanolamine and two unidentified phospholipids. The major fatty acids (greater than 10%) were C12:0, C16:0, summed feature 3 (which comprised C16:1 ω7c and/or C16:1 ω6c). The DNA-DNA relatedness values between the strain DCY110T and the closely related relatives used in this study were lower than 70%. Based on the following polyphasic analysis, the strain DCY110T is considered as a novel species of the genus Rhodoferax, for which the name Rhodoferax koreense sp. nov. is proposed. The type strain is DCY110T (= KCTC 52288T = JCM 31441T ).
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