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Rudanella paleaurantiibacter sp. nov., Isolated from Activated Sludge
Current Microbiology ( IF 2.3 ) Pub Date : 2020-05-05 , DOI: 10.1007/s00284-020-02005-3 Siqiong Xu 1 , Junwei Liu 1 , Haiyan Ni 2 , Xiaojun Yang 3 , Jiguo Qiu 1 , Xing Huang 1 , Jian He 1
Current Microbiology ( IF 2.3 ) Pub Date : 2020-05-05 , DOI: 10.1007/s00284-020-02005-3 Siqiong Xu 1 , Junwei Liu 1 , Haiyan Ni 2 , Xiaojun Yang 3 , Jiguo Qiu 1 , Xing Huang 1 , Jian He 1
Affiliation
A Gram-stain-negative, orange-colored bacterium, designated HX-22-17T, was isolated from activated sludge of an agricultural chemical plant in Maanshan, Anhui province, China (118° 52′ E 31° 68′ N). The strain was strictly aerobic, non-endospore forming, non-motile, and ellipse. Growth of the strain was observed at 16–42 °C (optimum between 25 and 30 °C) at pH 6.0–9.0 (optimum at pH 7.0) and with 0–6.0% (w/v) NaCl (optimum at 1.0%). 16S rRNA gene sequence analysis showed that the strain was most closely related to Rudanella lutea KACC 12603T (99.5% similarity). The predominant cellular fatty acids were summed feature 3 (C16:1ω7c and/or C16:1ω6c), iso-C15:0, and anteiso-C15:0. The major polar lipids included posphatidylethanolamine (PE), aminolipid (AL), and phospholipids (PL). The genomic DNA G+C content of the strain was 54.1 mol%. The ANI and dDDH values obtained between the genomes of HX-22-17T and R. lutea KACC 12603T were 89.3% and 39.3%, respectively. The phenotypic, chemotaxonomic, and genotypic data clearly showed that strain HX-22-17T represents a novel species of the genus Rudanella, for which the name R. paleaurantiibacter sp. nov. is proposed. The type strain is HX-22-17T (=KCTC 72656T = CCTCC AB 2019347T).
更新日期：2020-05-05
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