详细信息
文献类型:期刊文献
中文题名:氧化葡萄糖酸杆菌启动子的筛选及鉴定
英文题名:Screening and Identification of Promoters from Gluconobacter oxydans
作者:肖苏珂[1];杨雪鹏[2];魏东芝[1];林金萍[1]
机构:[1]华东理工大学生物反应器工程国家重点实验室,上海200237;[2]郑州轻工业大学食品与生物工程学院,河南郑州450002
年份:2010
卷号:41
期号:9
起止页码:654
中文期刊名:中国医药工业杂志
外文期刊名:Chinese Journal of Pharmaceuticals
收录:CSTPCD;;北大核心:【北大核心2008】;CSCD:【CSCD2011_2012】;
基金:国家自然科学基金(项目批准号/申请代码:20976053/B060804);生物反应器国家重点实验室重点项目(2060204)
语种:中文
中文关键词:氧化葡萄糖酸杆菌;随机启动子库;启动子探针质粒;特征序列与功能
外文关键词:Gluconobacter oxydans; random promoter library; promoter-probe vector; characteristic sequence and function
摘要:利用缺乏启动子的绿色荧光蛋白TFP作为报告基因,与广宿主型质粒pBBR1MCS-5相结合,构建了可在氧化葡萄糖酸杆菌中稳定存在的探针质粒pBBR1MCS5-TFP。利用构建的启动子探针质粒从氧化葡萄糖酸杆菌中分离到多个具有启动子功能的DNA片段——G12、G65、G69和G78,序列测定结果显示G12片段上具有典型的细菌启动子保守序列(-35和-10区)和核糖体结合位点(RBS),将其命名为Lhp启动子。鉴定Lhp在氧化葡萄糖酸杆菌中的启动活性,结果显示该启动子能有效启动异源基因绿色荧光蛋白以及NADH脱氢酶Ⅱ基因的表达。
DNA fragments being active as bacteria gene promoters from Gluconobacter oxydans were isolated by the promoter-probe plasmid pBBR1MCS5-TFP constructed in this study. Sequencing of four fragments named as G12,G65,G69 and G78 proved that there are typical consensus sequences(-35 and-10) and RBS of gene promoter in G12 fragment and it was designated as promoter Lhp,the activity of which was determined in G. oxydans by cloning it into a broad host vector pBBR1MCS-5. The promoter can effectively start the expression of green fluorescent protein and NADH dehydrogenaseⅡ.
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