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Tsukamurella carboxydivorans sp. nov., a carbon monoxide-oxidizing actinomycete
Park, S. W.,Kim, S. M.,Park, S. T.,Kim, Y. M. Microbiology Society 2009 International journal of systematic and evolutiona Vol.59 No.6
<P>A Gram-positive, slightly acid-alcohol-fast, carbon monoxide-oxidizing bacterium, strain Y2(T), was isolated from a soil sample collected from a roadside in Seoul, Korea. On the basis of 16S rRNA gene sequence comparative analyses, strain Y2(T) was shown to belong to the genus Tsukamurella and was most closely related to Tsukamurella tyrosinosolvens DSM 44234(T) (GenBank accession no. AY238514; 99.8 %). The predominant fatty acids were C(18 : 1)omega9c and C(16 : 0). The cell-wall peptidoglycan of strain Y2(T) contained meso-diaminopimelic acid as the diagnostic diamino acid. Strain Y2(T) contained galactose and arabinose as the whole cell sugars. The DNA G+C content was 77 mol%. The DNA-DNA relatedness value between strain Y2(T) and T. tyrosinosolvens DSM 44234(T) was 62.7 %. Based on the combination of the carbon source utilization pattern, fatty acid profile, cell-wall chemotype, DNA G+C content and DNA-DNA hybridization experiments, it is proposed that strain Y2(T) (=KCCM 42885(T)=JCM 15482(T)) represents the type strain of a novel species, Tsukamurella carboxydivorans sp. nov.</P>
Park, S. H.,Lee, B. R.,Lee, J. H.,Kim, T. H. Springer Science + Business Media 2016 Plant growth regulation Vol.79 No.3
<P>To assess the roles of sulfur (S) nutrition in salt stress tolerance in Kentucky bluegrass (Poa pratensis L.). The plants grown in S-supplied or S-deprived condition for 4 weeks were exposed to salt stress with 100 mM NaCl or non-salt stress, respectively, for 21 days. Osmotic potential was significantly decreased by salt stress from day 14. Photosynthetic pigments such as chlorophyll and carotenoid were decreased by salt stress which was more severe in the absence of S, but their content was largely recovered in the presence of S-nutrition. The proteomic analysis of multi-protein complexes in the thylakoid by BN-PAGE showed that the expression of PSI, PSII and RuBisCo level was repressed under salt stress in the absence of S, whereas their expression was largely recovered by S supply. Enzymatic activity confirmed the responses of RuBisCo, estimated by the BN-PAGE, showing a decreased activity in S-deprived and/or salt stressed levels. The decreased RuBisCo activity was significantly related to S content as affected by S nutrition and/or salt stress. Significant relationship between S content and Na, K, Fe content was also observed. These results indicate that S-nutrition modulates the negative responses to salt stress tolerance in photosynthetic organelles of P. pratensis.</P>
Park, Y.K.,Nho, S.W.,Shin, G.W.,Park, S.B.,Jang, H.B.,Cha, I.S.,Ha, M.A.,Kim, Y.R.,Dalvi, R.S.,Kang, B.J.,Jung, T.S. Elsevier Scientific Pub. Co 2009 Veterinary microbiology Vol.136 No.1
The rates of antibiotic susceptibility and resistance were investigated in Streptococcus iniae and Streptococcus parauberis isolates obtained from diseased olive flounders (Paralichthys olivaceus) collected from fish farms in Jeju Island, Korea. Isolates of S. iniae (n=65) were susceptible to cefotaxime, erythromycin, ofloxacin, penicillin, tetracycline and vancomycin, as demonstrated by the minimum inhibitory concentration (MIC) test. Isolates of S. parauberis (n=86) were highly resistant to erythromycin (58% of the 86 isolates tested) and tetracycline (63% of the 86 isolates tested). Fifty-four isolates of tetracycline-resistant S. parauberis contained the tet(M/O/S) genes, of which 39 and 12 isolates contained the tet(M) and tet(S) genes, respectively, whereas 3 isolates contained both the tet(M) and tet(S) genes. Among the erythromycin-resistant isolates of S. parauberis (n=50) only 14 contained the erm(B) gene. These results suggest that the tet(S) and erm(B) genes of S. parauberis are involved in the acquisition of high-level resistance to erythromycin and tetracycline. Our findings reveal a high rate of antibiotic resistance among strains of S. parauberis and emphasize the need to develop an appropriate vaccine to reduce the use of antibiotics.
20대 여성의 신발종류에 따른 족저압 영역별 비교 연구
김용재,지진구,김정태,홍준희,이중숙,이훈식,박승범 한국운동역학회 2004 한국운동역학회지 Vol.14 No.3
Y. J. KIM, J. G. JI, J. T. KIM, J. H. HONG, J. S. LEE, H. S. LEE, S. B. PARK. A comparison study for mask plantar pressure measures to the difference of shoes in 20 female. Korean Journal of Sport Biomechanics, Vol. 14, No. 3, pp. 83-98, 2004. The purpose of this study was to investigate the test-retest of plantar pressures using the F-Scan system over speeds and plantar regions. 6 healthy female subjects in 20's were recruited for the study. Plantar pressure measurements during locomotor activities can provide information concerning foot function, particularly if the timing and magnitude of the loading profile can be related to the location of specific foot structures such as the metatarsal heads. The Tekscan F-Scan system consists of a flexible, 0.18mm thick sole-shape having 1260 pressure sensors, the sensor insole was trimmed to fit the subjects' right. left shoes - sneakers shoes & dress shoes. It was calibrated by the known weight of the test subject standing on one foot. The Tekscan measurements show the insole pressure distribution as a function of the time. This finding has important implications for the development of plantar pressure test protocols where the function of the forefoot is important. According to the result of analysis it is as follows : 1) Center of force trajectory in women's dress shoes display direct movement, compare with center of force trajectory in Sneaker shoes displays a little bit curved slow pronation movement. Sneaker shoes in forefoot part display very quick supination movement, therefore, this shoes effects negative effectiveness for ankle's stability. Considering center of force trajectory analyzing, the more center of force close straight line, the more movement can be quick movement for locomotion. For foot pressure distribution, center of force trajectory in locomotion is better to curved trajectory with pronation movement. So sneaker shoes style is good shoes considering center of pressure distribution trajectory compare with women's dress shoes. 2) Women's dress shoes increased peak pressure in medial, this is effected by high hill's height. The more increased women's dress shoes's height, the more women's peak pressure will increase, pronation can increase compare with before. Supination movement increase, this focused pressure in lateral, also, supination increased more. If the supination movement increased, foot pressure focused in lateral, therefore, it is appeared force distribution in gait direction. This is bad movement in foot's stability. 3) Women's dress shoes in landing phase displayed a long time, this is when women's dress shoes wear, gait movement is unbalance, so, landing phase displayed a long time. For compensation in gait, swing phase quick movement. 4) Women's dress shoes displayed peak pressure distribution in lateral of rearfoot part, Sneakers shoes displayed peak pressure distribution in medial of forefoot part. Its results has good impact absorption compare with women's dress shoes. In forefoot part, sneakers shoes has good propulsive force compare with women's dress shoes.
톱밥 발효사료 급여 및 분말어유의 첨가사료가 돈육의 이화학적 성질에 미치는 영향
이정일,문점동,박구부,박범영,박태선,황보종,이한기,진상근,김영직 한국축산학회 1997 한국축산학회지 Vol.39 No.5
This study was conducted to investigate the influence of pork quality pigs which were fed with diets supplemented with fermented sawdust and sardin powder oil. The pigs were randomly assigned to one of the four treatments: a), control (commercial feed); b), T1 (30% fermented sawdust); c), T2 (10% sardin powder oil) d), T3 (30% fermented sawdust, l0% sardin powder oil and 30% limited amino acid) from 30 kg to 110 kg B. Wt. and slaughtered. The samples were stored at 0±1 C. The physico-chemical properties were determined at the dust of 2, 4, 6, 8 and 15. For the loin the pH's of all the treatments on the 15th day were higher than those of the 2nd day, and that of TI was higher than those of the others. The total moisture contents of all treatments decreased with the storage (P$lt;0.05), and there were no significant differences among treatments on the 15th day. The water soluble proteins of all treatments increased with time and were highest on the 8th day and decreased gianibicanth thereater. T1 had significantly higher water soluble protein than others(P$lt;0.05). The salt soluble proteins of all treatments increased with lure the days(P$lt;0.05). T1 had higher salt soluble protein than others during the storage period(P$lt;0.05). The brittleness, hardness, cohesiveness, gumminess and chewiness of all the treatments were not significantly different among during the period, but elasticity of them increased after from the 2nd day. The brittleness of control was higher than that of the others on the 15th day, and the hardness and chewiness of control were higher than those of the others on the 6th day(P$lt;0.05). Forthebelly the pH's of all the treatments on the 15th day were higher than those of the at 2nd day(P$lt;0.05). T1 showed higher pH than the others during the period(P$lt;0.05). The total moisture contents of control and T1 were significantly decreased with time and there were no significant differences between T2 and T3. T1 showed the highest value. The water soluble proteins of all the treatments decreased with time and was lower on the 15th day(P$lt;0.05). That of control and T1 was significantly higher than that of others on the 2nd day, but there were no significant differences among the treatments on the 15th day. The salt soluble proteins of all treatments increased with time (P$lt;0.05), and they were highest on the 15th day. T1 had significantly higher salt soluble protein than the others on the 8th and 15th days.
Park, K.S.,Han, S.H.,Kie, J.H.,Nam, K.H.,Lee, M.J.,Lim, B.J.,Kwon, Y.E.,Kim, Y.L.,An, S.Y.,Kim, C.H.,Doh, F.M.,Koo, H.M.,Oh, H.J.,Kang, S.W.,Choi, K.H.,Jeong, H.J.,Yoo, T.H. W. B. Saunders Co ; Centrum Philadelphia 2014 Human pathology Vol.45 No.2
Pathologic features can provide valuable information for determining prognosis in IgA nephropathy (IgAN). However, it is uncertain whether the Oxford classification, a new classification of IgAN, can predict renal outcome better than previous ones. We conducted a retrospective cohort study in 500 patients with biopsy-proven IgAN between January 2002 and December 2010 to compare the ability of the Haas and the Oxford classifications to predict renal outcome. Primary outcome was a doubling of the baseline serum creatinine concentration (D-SCr). During a mean follow-up of 68months, 52 (10.4%) and 35 (7.0%) developed D-SCr and end-stage renal disease, respectively. There were graded increases in the development of D-SCr in the higher Haas classes. In addition, the primary endpoint of D-SCr occurred more in patients with the Oxford M and T lesions than those without such lesions. In multivariate Cox regression analyses, the Haas class V (HR, 12.19; P=.002) and the Oxford T1 (hazard ratio [HR], 6.68; P<.001) and T2 (HR, 12.16; P<.001) lesions were independently associated with an increased risk of reaching D-SCr. Harrell's C index of each multivariate model with the Haas and the Oxford classification was 0.867 (P=.015) and 0.881 (P=.004), respectively. This was significantly higher than that of model with clinical factors only (C=0.819). However, there was no difference in C-statistics between the 2 models with the Haas and the Oxford classifications (P=.348). This study suggests that the Haas and the Oxford classifications are comparable in predicting progression of IgAN.