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어류 병원세균, Listonella anguillarum에 대한 Pseudomonas aeruginosa MB I-3의 항균 효과
이수정,윤이나,김진도,이정식,김은희,Lee, Su-Jung,Youn, I Na,Kim, Jin-Do,Lee, Jung Sick,Kim, Eunheui 한국어병학회 2014 한국어병학회지 Vol.27 No.1
To study the possible use of probiotics in fish farming, The in vitro and in vivo antibacterial effects of Pseudomonas aeruginosa MB I-3 (MB I-3) against the fish pathogenic bacterium Listonella anguillarum were evaluated. The inhibitory effects of MB I-3 against vibrios were investigated by the double layer method and the co-culture. The results showed that MB I-3 inhibited the growth of pathogenic vibrios including Listonella anguillarum, Vibrio alginolyticus, Vibrio cholerae, Vibrio fluvialis, Vibrio furnissii, Vibrio harveyi, Vibrio parahaemolyticus and Vibrio vulnificus. Extracellular substances obtained from the cultural supernatant of MB I-3 by ethyl acetate extraction showed inhibitory effects on L. anguillarum. The antibacterial substance of MB I-3 was evaluated to destroy the cell membrane of L. anguillarum in electron micrographs. The probiotic effects of MB I-3 was tested by exposing olive flounder (Paralichthys olivaceus) fry to L. anguillarum with or without MB I-3. The cumulative mortality of olive flounder fry infected with L. anguillarum was 24% in the group with MB I-3, while it was 46% in the control group without MB I-3. These results indicate that MB I-3 has potential applications as a probiotic for the control of fish pathogenic vibrios in fish rearing system.
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시각과 고유수용성 감각이 요부 운동의 정확도에 미치는 영향
심현보,윤홍일,윤이나,Sim, Hyun-Po,Yoon, Hong-Il,Youn, I-Na 대한정형도수물리치료학회 2007 대한정형도수물리치료학회지 Vol.13 No.2
The purposes of this study were to examine the normal lumbar proprioception and identify the effect of vision and proprioception on lumbar movement accuracy through measuring a reposition error in visual and non-visual conditions and to provide the basic data for use of vision when rehabilitation program is applied. The subjects of this study were 39 healthy university students who have average physical activity level. They were measured the ability to reproduce the target position(50% of maximal range of motion) of flexion, extension, dominant and non-dominant side flexion in visual and non-visual conditions. Movement accuracy was assessed by reposition error(differences between intended and actual positions) that is calculated by the average of absolute value of 3 repeated measures at each directions. The data were analysed by paired samples t-test, independent samples t-test, and repeated measures ANOVA. The results were as follows : 1. Movement accuracy of flexion, extension, dominant side flexion, and non-dominant side flexion was increased in visual condition. 2. There were no differences in the lumbar movement accuracy between sexes in visual and non-visual conditions. 3. In non-visual condition, the movement in coronal plane(dominant and non dominant side flexion) is more accurate than that in sagittal plane(flexion and extension). 4. In non-visual condition, there were no differences in the lumbar movement accuracy between dominant and non-dominant side flexion. In conclusion, this study demonstrates that the movement is more accurate when the visual information input is available than proprioception is only available. When proprioception is decreased by injury or disease, it disturbs the control of posture and movement. In this case, human controls the posture and movement by using visual compensation. However it is impossible to prevent an injury or trauma because most of injuries occur in an unexpected situation. For this reason, it is important to improve the proprioception. Therefore, proprioceptive training or exercise which improve the ability to control of posture and movement is performed an appropriate control of permission or interception of the visual information input to prevent an excessive visual compensation.
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어류 병원세균, Listonella anguillarum에 대한 Pseudomonas aeruginosa MB Ⅰ-3의 항균 효과
이수정 ( Su Jung Lee ),윤이나 ( I Na Youn ),김진도 ( Jin Do Kim ),이정식 ( Jung Sick Lee ),김은희 ( Eunheui Kim ) 한국어병학회 2014 한국어병학회지 Vol.27 No.1
To study the possible use of probiotics in fish farming, The in vitro and in vivo antibacterial effects of Pseudomonas aeruginosa MBⅠ-3 (MBⅠ-3) against the fish pathogenic bacterium Listonella anguillarum were evaluated. The inhibitory effects of MBⅠ-3 against vibrios were investigated by the double layer method and the co-culture. The results showed that MBⅠ-3 inhibited the growth of pathogenic vibrios including Listonella anguillarum, Vibrio alginolyticus, Vibrio cholerae, Vibrio fluvialis, Vibrio furnissii, Vibrio harveyi, Vibrio parahaemolyticus and Vibrio vulnificus. Extracellular substances obtained from the cultural supernatant of MBⅠ-3 by ethyl acetate extraction showed inhibitory effects on L. anguillarum. The antibacterial substance of MBⅠ-3 was evaluated to destroy the cell membrane of L. anguillarum in electron micrographs. The probiotic effects of MBⅠ-3 was tested by exposing olive flounder (Paralichthys olivaceus) fry to L. anguillarum with or without MB Ⅰ-3. The cumulative mortality of olive flounder fry infected with L. anguillarum was 24% in the group with MBⅠ-3, while it was 46% in the control group without MBⅠ-3. These results indicate that MBⅠ-3 has potential applications as a probiotic for the control of fish pathogenic vibrios in fish rearing system.
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