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Bacillus thuringiensis의 autolysis에 影響을 미치는 요인에 관한 硏究
李泰雨,安慶濬 西原大學校 1984 西原大學 論文集 Vol.13 No.-
Bacillus thuringiensis S-1 菌에서 osmotic shock를 加하여 效率的으로 autolysis를 일으키기 위한 諸般 要因의 效果를 조사하였다. 1. 1M의 1價이온을 처리했을 때 가장 autolysis가 잘 일어났다. 2. 振탕(?)培養을 했을 때가 停置培養했을 때보다 더 autolysis가 잘 일어났다. 3. pH 9에서 45℃로 培養했을 때가 가장 빠른 autolysis를 보였다. 4. 對數增殖期의 細菌에서 autolysis가 가장 왕성하였다. 5. autolysis가 진행되는 과정에서 2가 이온을 첨가하면 autolysis가 억제되었다. The effect of several factors of autolysis were studied in order to induce autolysis effectly by osmotic shocks on Bacillus thuringiensis S-1 strain. 1. 1M of univalent cation induced autolysis most effectively. 2. Shaking incubation was more effective than without shaking. 3. The most rapid autolysis was induced at pH 9 and in 45℃. 4. The most vigorous autolysis was induced in the cells of exponential growth phase. 5. In the process of autolysis the addition of bivalent cation inhibited autolysis immediately.
Bacillus thuringiensis Y M 系 phage의 生理的 性狀에 관한 硏究
李泰雨,安慶濬 西原大學校 1984 西原大學 論文集 Vol.13 No.-
Bacillus thuringiensis YM-series phage의 生理的 特性은 다음과 같다. 1. YM-phage 1, 2, 3은 높은 宿主特異性을 나타내어 Bacillus thuringiensisS-1 菌株에만 宿主域이 限定되어 있었다. 2. YM-phage 1, 2, 3의 pH 安定性은 pH6에서 pH8까지의 범위 내에서 安定하였다. 3. YM-phage 1, 2, 3은 L-broth내에서 60°∼70℃에서 급격히 不活性化되었다. 4. YM-phage 1, 2, 3은 L-broth에서 상당히 安定하였으며 0.05 M 인산완충액 , 0.002 M 인산완충액, 0.02M Tris 완충액에서도 비교적 安定하였고 physiological salt solution에서는 不安定하였다. 5. Bacillus thuringiensis는 phage의 感染 後에 일정시간 지난 후 溶菌되었다가 耐性菌이 增殖하는 樣狀을 보였다. Physiological characteristics of YM-series phages of Bacillus thuringiensis were studied. The results were as follows. 1. The YM-phage 1, 2 and 3 were highly specific for Bacillus thuringiensis S-1 strain. 2. The YM-phage 1, 2 and 3 were stable at the range of pH6 and pH8 in L-broth. 3. The YM-phage 1, 2 and 3 were completely inactivated from 60℃ to70℃ in L-broth. 4. The YM-phage 1, 2 and 3 were completely stable in L-broth. But, in 0.05M and 0.002M phosphate buffer and 0.02M Tris buffer, they were less stable than in L-broth and very unstable in physiological salt solution. 5. The Bacillus thuringiensis were lysed after phage infection and then resistant strains were grown after one or two hours.
원발성 피부 변연부 B-세포 림프종으로 오인된 피부 Rosai-Dorfman Disease
노태경 ( Tai Kyung Noh ),원광희 ( Kwang Hee Won ),이도영 ( Do Young Rhee ),원종현 ( Chong Hyun Won ),장성은 ( Sung Eun Chang ),이미우 ( Mi Woo Lee ),최지호 ( Jee Ho Choi ),문기찬 ( Kee Chan Moon ) 대한피부과학회 2013 대한피부과학회지 Vol.51 No.10
Rosai-Dorfman disease or sinus histiocytosis with massive lymphadenopathy is an idiopathic, benign, histiocytic proliferative disease involving lymph nodes and extranodal sites. A 52-year-old woman presented with a 2-year history of multiple non-tender, erythematous nodules on her face. The initial punch biopsy showed lymphoid follicle-like aggregation of CD20 positive lymphocytes in the papillary dermis consisting of primary cutaneous marginal zone B-cell lymphoma. She underwent a 3-month course of radiotherapy, but the lesions progressed. The re-biopsy specimen revealed marked histiocytes with positive CD68 and S-100 proteins. The patient was treated with prednisolone and isotretinoin to which she responded slightly. Repeated histopathologic examinations enable us to make a definite diagnosis. Differentiating these two disorders as early as possible is crucial for appropriate treatment. (Korean J Dermatol 2013;51(10):809∼813)
Bacillus thuringiensis phage의 분포와 형태에 관한 연구
이태우,안경준,Rhee, Tai-Woo,Ahn, Kyung-Joon 한국현미경학회 1982 Applied microscopy Vol.12 No.1
Several phages of Bacillus thuringiensis distributed in Korea were isolated. The distribution and morphological characteristics of phages were studied. The results are as follows; 1. The isolated phages were highly specific for Bacillus thuringiensis var. thuringiensis. They were classified as YM series phages and designated as phage YM-1, YM-2 and YM-3 according to their morphological characteristics. 2. Most of these YM series phages were isolated from compost including domestic animal dung and soil under sewage. 3. The YM-1 phage was similar to Bacillus subtilis ${\phi}25$ in morphology. It has 94nm x 86nm head, contractile tail sheath and base plate with four cornered structure. 4. The YM-2 phage was similar to Bacillus subtilis GA-1 phage in morphology. It had 70nm x 56nm head and tail without contractile tail sheath. 5. The YM-3 phage was similar to Bacillus subtilis ${\phi}29$ phage. It had 56nm x 43nm head and tail with distal enlargement.
Survey Analysis of Cough Characteristics in Chronic Respiratory Disease
( Ji-yong Moon ),( Tai Joon An ),( Hyonsoo Joo ),( Hae-in Jung ),( Hyeon-kyoung Koo ),( Sung-kyung Kim ),( Chin Kook Rhee ),( Yee Hyung Kim ),( Kyung Hoon Min ),( Deog Kyeom Kim ),( Jong-wook Shin ),( 대한결핵 및 호흡기학회 2023 대한결핵 및 호흡기학회 추계학술대회 초록집 Vol.136 No.0