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产品名称：K-12 MG1655大肠杆菌克隆菌株
产品型号：
产品展商：XYbscience
产品文档：无相关文档

简单介绍

K-12 MG1655大肠杆菌克隆菌株是一株K系列的大肠杆菌，经检测无Amp和Kan抗性，可用LB培养基，37℃培养，其代谢类型是异养兼性厌氧型，K-12 MG1655大肠杆菌克隆菌株可用于代谢研究、基因编辑等实验。

产品描述

K-12 MG1655大肠杆菌克隆菌株

产品信息：

货号	名称	产品形式	规格	储存
XY1457	K-12 MG1655 Strain		100μl	-20℃

使用说明：
信裕质粒平台的各批次质粒菌株发货前均经过严格的多重验证，如存在质量问题，请在收到产品三个月内通知我司。收到甘油菌后，请及时在固体平板上划线培养，挑取单菌落接种到液体培养基中，震荡培养后使用并保存甘油菌。如需获取其他详细信息请登录我司官网联系QQ客服查询。

基因型：
F- lambda- ilvG- rfb-50 rph-1(NC_000913)

基本信息：
抗性：无
培养基：LB
菌株类别：大肠杆菌
培养条件：37℃，有氧，LB
质粒转化：42℃热激
保存方式：20%甘油，-20℃
基本应用：用于基因克隆
备注：

菌株简介：
K-12 MG1655是一株K系列的大肠杆菌，经检测无Amp和Kan抗性，可用LB培养基，37℃培养，其代谢类型是异养兼性厌氧型，可用于代谢研究、基因编辑等实验。
The original K-12 wild-type strain from the Stanford collection contained both the F plasmid and phage lambda. MG1655 was constructed by curing that strain using acridine orange and UV.This strain was sequenced by the Blattner laboratory because it approximates wild-type E. coli and "has been maintained as a laboratory strain with minimal genetic manipulation, having only been cured of the temperate bacteriophage lambda and F plasmid by means of ultraviolet light and acridine orange, respectively." (Blattner, et al. 1997). The mutations listed in the genotype are present in most K-12 strains and were probably acquired early in the history of the laboratory strain. A frameshift at the end of rph results in decreased pyrE expression and a mild pyrimidine starvation, such that the strain grows 10 to 15% more slowly in pyrimidine-free medium than in medium containing uracil (Jensen 1993). The ilvG- mutation is a frameshift that knocks out acetohydroxy acid synthase II (Lawther, et al. 1982). The rfb-50 mutation is an IS5 insertion that results in the absence of O-antigen synthesis (Liu and Reeves 1994).
MG1655 was derived and named by Mark Guyer from strain W1485, which was derived in Joshua Lederberg's lab from a stab-culture descendant of the original K-12 isolate. This original E. coli strain K-12 was obtained from a stool sample of a diphtheria patient in Palo Alto, CA in 1922 (Bachmann, B., pp. 2460-2488 in Neidhardt et al.1996, Escherichia coli and Salmonella: Cellular and Molecular Biology, ASM Press).MG1655 grows on LB and M9 minimal medium (+ Glucose + 1ug/ml thiamine).

注意事项：
1、为了您的**和健康，请穿实验服并戴一次性手套操作。本产品仅可用于实验室研究，不能用于动物，人体以及作为食品添加剂等用途。
2、使用甘油菌时可不完全融解，在甘油菌表面蘸取少量涂布固体琼脂平板即可，也可完全融解后使用，但随着冻融次数的增加，菌株的活力会逐渐下降。

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K-12 MG1655大肠杆菌克隆菌株

K-12 MG1655大肠杆菌克隆菌株