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Little is known about the functional capability of microbial communities in shallow-sea hydrothermal systems (water depth of <200 m). This study analyzed two high-throughput pyrosequencing metagenomic datasets from the vent and the surface water in the shallow-sea hydrothermal system offshore NE Taiwan. This system exhibited distinct geochemical parameters.(More)
Increasing evidence of tight links among the gut microbiota, obesity, and host health has emerged, but knowledge of the ecological processes that shape the variation in microbial assemblages across growth rates remains elusive. Moreover, inadequately control for differences in factors that profoundly affect the gut microbial community, hampers evaluation of(More)
BACKGROUND Bacteria play critical roles in marine nutrient cycles by incorporating and redistributing dissolved organic matter (DOM) and inorganic nutrients in the ocean. TonB-dependent transporter (TBDT) proteins allow Gram-negative bacteria to take up scarce resources from nutrient-limiting environments as well as siderophores, heme, vitamin B12, and(More)
Strain JLT2015T was isolated from surface seawater of the Southeastern Pacific. The strain was Gram-negative, aerobic, motile by gliding, and rod shaped. The dominant fatty acids were C18:1ω7c, C16:0, and C16:1ω7c. The major respiratory ubiquinone was Q-10, and the predominant polyamine pattern was spermidine. The components of the polar lipid profile were(More)
A Gram-stain-negative, rod-shaped, non-motile and red-pink-pigmented bacterial strain, designated B1909T, was isolated from an ice core drilled from Muztagh Glacier on the Tibetan Plateau, China. A phylogenetic tree based on 16S rRNA gene sequences showed that strain B1909T formed a lineage within the genus Hymenobacter and was closely related to(More)
A Gram-positive, motile, short-rod-shaped bacterium, designated strain JLT1488(T), was isolated from the South China Sea and investigated in a taxonomic study using a polyphasic approach. The peptidoglycan type determined for strain JLT1488(T) was A4α with lysine as the diagnostic cell-wall diamino acid and an interpeptide bridge of L-Lys-L-Glu. The polar(More)
A Gram-negative, rod-shaped, non-spore-forming aerobic bacterium, motile with a single polar flagellum, strain JLT2005T, was isolated from surface seawater collected from the East China Sea and formed ivory white colonies on a rich organic medium. The strain was positive for catalase, oxidase, and urease. It grew in the presence of 0–12 % (w/v) NaCl(More)
A Gram-stain negative, oval-shaped, aerobic, catalase and oxidase-positive bacterium, designated JLT2014T, was isolated from a deep-seawater sample (obtained at a 2,000 m depth) of the Southeastern Pacific Ocean. The dominant fatty acids were identified as C18:1ω7c/C18:1ω6c, C16:0 and C10:0 3-OH, which altogether represented 60.1 % of the total. The(More)
A bacterial strain, JLT2016(T), was isolated from a sample of South-eastern Pacific deep-sea water. Cells were Gram-stain-negative, aerobic, devoid of flagella, motile by gliding and rod-shaped. Colonies were mucoid and cream. Growth occurred at 1.0-11.0 % (w/v) NaCl, 10-40 °C and pH 4.0-9.0. The major fatty acids were summed feature 8 (C18 : 1ω7c and/or(More)
Roseobacter clade bacteria are ubiquitous in marine environments and now thought to be significant contributors to carbon and sulfur cycling. However, only a few strains of roseobacters have been isolated from the deep-sea water column and have not been thoroughly investigated. Here, we present the complete genomes of phylogentically closed related(More)