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Pseudogulbenkiania subflava gen. nov., sp. nov., isolated from a cold spring

¹ Laboratory of Microbiology, Department of Seafood Science, National Kaohsiung Marine University, No. 142 Hai-Chuan Road, Nan-Tzu, Kaohsiung City 811, Taiwan, ROC
² Department of Soil Environmental Science, College of Agriculture and Natural Resources, National Chung Hsing University, Taichung, Taiwan, ROC

Correspondence
Wen-Ming Chen
p62365{at}ms28.hinet.net

A yellow-coloured bacterial strain, designated BP-5^T, was isolated from a water sample of a cold spring located in the Hsinchu area of northern Taiwan. Cells of the strain were Gram-negative, non-spore-forming rods with a polar flagellum. The isolate was able to grow at 15–42 °C, 0–1 % NaCl and pH 6–8. The predominant fatty acids were summed feature 3 (C_{16 : 1}7c and/or iso-C_{15 : 0} 2-OH), C_{16 : 0} and C_{18 : 1}7c. The major respiratory quinone was ubiquinone 8. The DNA G+C content was 63.2 mol%. 16S rRNA gene sequence analysis indicated that strain BP-5^T belonged to the class Betaproteobacteria and was a member of the family Neisseriaceae. Its closest phylogenetic neighbours were Gulbenkiania mobilis E4FC31^T (95.0 % 16S rRNA gene sequence similarity), Chromobacterium subtsugae PRAA4-1^T (95.0 %), Chromobacterium violaceum ATCC 12472^T (94.3 %), Vogesella indigofera ATCC 19706^T (93.8 %) and Aquitalea magnusonii TRO-001DR8^T (93.7 %). On the basis of the evidence from this polyphasic study, strain BP-5^T is considered to represent a novel species of a new genus, for which the name Pseudogulbenkiania subflava gen. nov., sp. nov. is proposed. The type strain of Pseudogulbenkiania subflava is BP-5^T (=BCRC 17727^T =LMG 24211^T).