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zhaoyu2881

木虫 (正式写手)

[求助] 对蔗糖敏感的自杀性质粒在LB上培养为什么不加NaCl?

各位虫友好!最近在做deletion mutant,用的是self-suicide vector pK19mobsacB,查看了几篇文献都有提到,在利用蔗糖敏感性从单交换中筛选双交换的时候,所用的培养基LB都不加NaCl, 有谁知道这其中的原因吗?是因为salt会影响蔗糖发挥作用吗?有没有相关的文献可以参考?烦请做过相关实验的虫友们指教一下!谢谢!!
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dzh339739618

银虫 (小有名气)


【答案】应助回帖

感谢参与,应助指数 +1
我也不知道 同问 希望大家都来给出建议答案或者看法啊
2楼2013-07-24 22:56:47
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Haibara_Ai

铜虫 (小有名气)

【答案】应助回帖

★ ★
感谢参与,应助指数 +1
zhaoyu2881: 金币+2, ★有帮助, 文章已下到,谢谢! 2013-07-28 01:38:56
http://www.ncbi.nlm.nih.gov/pubmed/1686293

“sucrose sensitivity was highly dependent on incubation temperature and sodium chloride concentration”
3楼2013-07-25 04:39:42
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zhaoyu2881

木虫 (正式写手)

引用回帖:
2楼: Originally posted by dzh339739618 at 2013-07-24 22:56:47
我也不知道 同问 希望大家都来给出建议答案或者看法啊

你好,推荐你这两篇文章,或许会有帮助,我也在学习中。Blomfield, I.C., Vaughn, V., Rest, R.F., Eisenstein, B.I., 1991.Allelic exchange in Escherichia coli using the Bacillus subtilis sacB gene and a temperature-sensitive pSC101 replicon.
Plasmid DNA Supercoiling and Survival in Long-Term Cultures of Escherichia coli: Role of NaCl
Thatislife,onlylifehurts.
4楼2013-07-28 01:44:33
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