An optimal procedure for gap closing in whole genome shotgun sequencing

  • Authors:
  • Richard Beigel;Noga Alon;Simon Kasif;Mehmet Serkan Apaydin;Lance Fortnow

  • Affiliations:
  • NEC Research Institute & Temple University;Tel Aviv University;Cambridge Research Lab., Compaq & The MIT Genome Center;Stanford University;NEC Research Institute

  • Venue:
  • RECOMB '01 Proceedings of the fifth annual international conference on Computational biology
  • Year:
  • 2001

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Abstract

Tettelin et. al. proposed a new method for closing the gaps in whole genome shotgun sequencing projects. The method uses a multiplex PCR strategy in order to minimize the time and effort required to sequence the DNA in the missing gaps. This procedure has been used in a number of microbial sequencing projects including Streptococcus pneumoniae and other bacteria. In this paper we describe a theoretical framework for this problem and propose an improved method that guarantees to minimize the number of steps involved in the gap closure procedures. In given particular collection of n/2 DNA fragments we describe a strategy that requires. 0.75 log n work in eight parallel rounds of experiment closely matching a corresponding lower bound 0.5 log of n