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Maribacter pelagius sp. nov., isolated from seawater
Jin, Minwoo,Kim, Minwook,Kim, Joon Yong,Song, Hye Seon,Cha, In-Tae,Roh, Seong Woon,Lee, Sung-Jae Microbiology Society 2017 International journal of systematic and evolutiona Vol.67 No.10
<P>A Gram-stain-negative, gliding, non-endospore-forming and slightly halophilic bacterial strain, CBA3204(T), was isolated from seawater and characterized by polyphasic taxonomic analysis. Phylogenetic analysis based on 16S rRNA sequences revealed that strain CBA3204(T) formed a distinct lineage within the family Flavobacteriaceae. The 16S rRNA sequences of strain CBA3204(T) had a sequence similarity level of 96.96% to Maribacter arcticus KOPRI 20941(T) as the nearest phylogenetic neighbour. The strain grew optimally at 25-30 degrees C and in the presence of 2-4% (w/v) NaCl. The dominant menaquinone was MK-6 and the major fatty acids were iso-C15 : 0, iso-C17 : 0 3-OH and iso-C15 : 1 G. The DNA G+C content was 35.1 mol%. There were some differences in phenotypic properties among strain CBA3204T and other Maribacter species. On the basis of polyphasic analysis containing phenotypic, phylogenetic and chemotaxonomic data, strain CBA3204(T) (= KACC 17671(T) = JCM 19533T) is proposed as a novel species Maribacter pelagius sp. nov.</P>
Seonhong Hwang,Heewon Park,Minwoo Seon,Yuik Moon,Suhui An,Jongsang Son 호서대학교 기초과학연구소 2023 기초과학연구 논문집 Vol.31 No.1
In this study, we investigate the effects of neuromuscular electrical stimulation (NMES)-induced eccentric contraction training for two weeks on muscle strength, activation level, and muscle architecture in healthy people. Six non-disabled (4 male, 2 female) volunteered to participate. The ultrasonographic images and dorsiflexion forces were measured when subjects performed the full relaxation, maximum voluntary isometric contraction (MVIC), and NMES-induced maximum involuntary isometric contraction of their tibialis anterior muscles in both pre- and post-test. After a two-week training period, the changes in the mean maximum NMES force ratio increased from 72.5 % to 88.92 %. The changes in the TA thickness during MVIC decreased significantly from 0.22 cm to 0.11 cm. The NMES-induced eccentrical contraction training described here effectively increases muscle strength with less muscle thickness changes after two weeks of training. This training technique may have a role in neuromuscular rehabilitation.