Formosa undariae sp. nov., isolated from a reservoir containing the brown algae Undaria pinnatifida

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Formosa undariae sp. nov., isolated from a reservoir containing the brown algae Undaria pinnatifida
S Park; Jung-Sook Lee; Keun Chul Lee; J H Yoon
Bibliographic Citation
International Journal of Systematic and Evolutionary Microbiology, vol. 63, no. 11, pp. 4130-4135
Publication Year
A strain of Gram-staining-negative, aerobic, non-flagellated, non-gliding and rod-shaped bacteria, designated WS-MY3T, was isolated from a brown algae reservoir in South Korea. Strain WS-MY3T grew optimally at 25 °C, at pH 7.0-8.0 and in the presence of 2.0-3.0% (w/v) NaCl. Phylogenetic trees based on 16S rRNA gene sequences showed that strain WS-MY3T fell within the cluster comprising the type strains of species of the genus Formosa, clustering coherently with the type strains of Formosa agariphila and Formosa algae. It exhibited 16S rRNA gene sequence similarity values of 98.7, 97.9 and 96.8% to the type strains of F. agariphila, F. algae and Formosa spongicola, respectively. Strain WS-MY3T contained MK-6 as the predominant menaquinone and iso-C15: 0, iso-C16: 0 3-OH, iso-C15: 1 G and summed feature 3 (C16: 1 ω 7c and/or C16: 1 ω 6c) as the major fatty acids. The major polar lipids of strain WS-MY3T were phosphatidylethanolamine and two unidentified lipids. The DNA G+C content of strain WS-MY3T was 37.3 mol% and its DNA-DNA relatedness values with F. agariphila KCTC 12365T and F. algae KCTC 12364T were 23% and 17%, respectively. The phylogenetic and genetic distinctiveness and differential phenotypic properties revealed that strain WS-MY3T is separate from the three recognized species of the genus Formosa. On the basis of the data presented, strain WS-MY3T is considered to represent a novel species of the genus Formosa, for which the name Formosa undariae sp. nov. is proposed. The type strain is WS-MY3T (5KCTC 32328T5CECT 8286T).
Microbiology Soc
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Jeonbuk Branch Institute > Biological Resource Center > 1. Journal Articles
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