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18018648472
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18018648472热门关键词：进口ELISA试剂盒，人ELISA试剂盒，大鼠elisa试剂盒价格，小鼠elisa试剂盒价格，猪elisa试剂盒，鸡elisa试剂盒，兔elisa试剂盒，鱼elsa试剂盒，其他种属elisa试剂盒，豚鼠elisa试剂盒，仓鼠elisa试剂盒，裸鼠ELISA试剂盒，进口试剂，血清，动物血清，人血清，胎牛血清，氨基酸试剂，培养基，显色培养基，大肠杆菌O157培养基，细菌总数培养基，金黄色葡萄球菌检验培养基，沙门氏菌/贺氏菌检验培养基， 弧菌检验培养基，其他培养基，酵母 霉菌 青霉 曲霉培养基， 李斯特氏菌检验培养基，抗体，二抗，一抗，生物试剂，酶生物试剂，蛋白质试剂，抗生素试剂，植物激素及核酸试剂，碳水化合物试剂，色素试剂，维生素试剂，表面活性剂，缓冲试剂，其他生化试剂，标准品对照品类，对照品，对照药材，标准品，标准试剂，Spectrum试剂，美国药典级试剂等
Fragment containing the whole riboflavin（rib）operons of B.cereus ATCC14579 was detected from GenBank and annotated.The rib operon of ATCC14579 was cloned with Pn,its native promoter,or with P43,the vegetative growth promoter,into the plasmid.Expression analysis showed that heterologous rib operon was operative in B.subtilis.Integrative plasmid with P43-rib fragment was integrated into the chromosome of B.subtilis RH33,yielding transformant B.subtilis PY.With optimized medium components
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