Journal of Microbiology and Biotechnology
The Korean Society for Microbiology and Biotechnology publishes the Journal of Microbiology and Biotechnology.

2019 ; Vol.29-8: 1266~1272

AuthorHa Ri Choi, So Hyun Park, Moon Soo Heo
Place of dutyDepartment of Aquatic Life Medicine, Jeju National University, Jeju 63243, Republic of Korea
TitleFlavobacterium jocheonensis sp. nov., Isolated from Marine Green Alga Ulva pertusa
PublicationInfo J. Microbiol. Biotechnol.2019 ; Vol.29-8
AbstractA bacterial strain, labeled UR11T, was isolated from green alga Ulva pertusa collected from Jeju Island, Korea. UR11T was identified as a gram-negative, rod-shaped, motile by gliding and aerobic bacterial strain with yellow colonies on R2A plates. The strain UR11T grew over at a temperature range of 10°C to 30°C (optimally at 25°C), a pH range of 6.0-11 (optimally at pH 7.0) and a Nacl range of 0.5-5% Nacl (w/v). Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain UR11T was a member of the genus Flavobacterium. Strain UR11T shared close similarity with F. jejuensis EC11T (98.0%) F. jumunjinense HME7102T (96.1%), F. haoranii LQY-7T (95.3%), F. dongtanense LW30T (95.1%), and F. ahnfeltiae 10Alg 130T (94.9%). The major fatty acids (>5%) were iso-C15:0 (33.9%), iso-C15:1 G (12.4%), iso-C17:0 3-OH (9.0%), iso- C16:0 (7.0%) and iso-C15:0 3-OH (6.3%). The major polar lipids were phosphatidylethanolamine, seven unknown aminolipids, two unknown aminopolarlipids and two unknown lipids. DNADNA hybridization value was 58% at strain UR11T w ith F. jejuensis EC11T . Based on phenotypic, chemotaxonomic and phylogenetic evidence, strain UR11T represents a novel species of the genus Flavobacterium, for which the name Flavobacterium jocheonensis sp. nov. is proposed. The type strain is Flavobacterium jocheonensis is UR11T (=KCTC 52377 T =JCM 31512 T
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Supplemental Data
Key_wordGreen alga, marine bacteria, Ulva pertusa, Flavobacterium, 16S rRNA gene
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