Knott V, Rees D J, Cheng Z, Brownlee G G
Sir William Dunn School of Pathology, University of Oxford, UK.
Nucleic Acids Res. 1988 Mar 25;16(6):2601-12. doi: 10.1093/nar/16.6.2601.
Sets of overlapping cosmid clones generated by random sampling and fingerprinting methods complement data at pyrB (96.5') and oriC (84') in the published physical map of E. coli. A new cloning strategy using sheared DNA, and a low copy, inducible cosmid vector were used in order to reduce bias in libraries, in conjunction with micro-methods for preparing cosmid DNA from a large number of clones. Our results are relevant to the design of the best approach to the physical mapping of large genomes.
通过随机抽样和指纹图谱法产生的重叠黏粒克隆集补充了已发表的大肠杆菌物理图谱中pyrB(96.5')和oriC(84')处的数据。为了减少文库中的偏差,采用了一种使用剪切DNA的新克隆策略以及一种低拷贝、可诱导的黏粒载体,并结合从大量克隆中制备黏粒DNA的微量方法。我们的结果与大基因组物理图谱绘制的最佳方法设计相关。