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항MRSA (Methicillin Resistant Staphylococcus aureus) 활성을 나타내는 해양미생물의 분리
우예주 ( Ye Ju Woo ),도태웅 ( Tae Woong Do ),남예지 ( Ye Ji Nam ),안효정 ( Hyo Jung Ahn ),김미선 ( Mi -sun Kim ),전상아 ( Sang A Jeon ),정성윤 ( Seong Yun Jeong ) 대구가톨릭대학교 자연과학연구소 2011 자연과학연구논문집 Vol.9 No.1
Abstract:It was isolated marine bacterium, isolate YJ-1 which produced a bactericidal antibiotics against MRSA. This isolate was identified as tested by examining its morphological and biochemical properties, and 16S rDNA sequencing analysis for identification. This isolate YJ-1 was identified to the genus Pseudomonas. Therefore, this isolate was designated Pseudomonas sp. YJ-1. Pseudomonas sp. YJ-1. relatively grows well in the 25℃, pH 7.0, NaCl 1.0 %. For the purification of the bioactive compounds, YJ-1 was fermented in 37 L-PPES-Ⅱ medium, and culture filtrates of YJ-1 was extracted by ethyl acetate, hexane, and 80% MeOH. The 80% MeOH fraction of YJ-1 was showed the significant anti-MRSA (methicillin-resistant Staphylococcus aureus) activity against MRSA.