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- 详细信息
- 文献和实验
- 技术资料
- 保存条件:
Recommended Refrigeration Conditions (2℃-8℃) for storage
- 英文名:
7-bromo-2-chloro-5,6,8-trifluoro-1H-quinazolin-4-one
- 供应商:
南京鼎石
- CAS号:
2820536-80-7
- 规格:
10g///25g///50g///100g///250g///500g///1kg///5kg///3724kg
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文献和实验菌落。该产品筛选效果同蓝白斑筛选,且价格低廉。但需及时挑取白色菌落,当培养时间延长,白色菌落会逐渐变成微红色,影响挑选。 7、X-gal是5-溴-4-氯-3-吲哚-b-D-半乳糖(5-bromo-4-chloro-3-indolyl-b-D-galactoside)以半乳糖苷酶(b-galactosidase)水解后生成的吲哚衍生物显蓝色。IPTG是异丙基硫代半乳糖苷(Isopropylthiogalactoside),为非生理性的诱导物,它可以诱导lacZ的表达。 8、在含有
Transformation of Plasmids/Cosmids into E. Coli 质粒、粘粒转化大肠杆菌
of the chromogenic substrate 5-bromo-4-chloro-3-indolyl-beta-D-galacoside (X-gal). However insertion of a fragment of foreign DNA into the polycloning site of the plasmid almost invariably results in production of an amino-terminal fragment that is not capable
Methods for use with the mTn-lacZ/LEU2-mutagenized library
empirically. Filters are placed colony-side up onto X-Gal plates (120 ug/ml 5-bromo-4-chloro-3-indolyl-beta-D-galactopyranoside, 0.1 M NaPO4 [pH 7] and 1 mM MgSO4 in 1.6% agar) and incubated at 30o C for up to 2 days. These plates
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