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Methods Mol Biol. 2013;985:249-67. doi: 10.1007/978-1-62703-299-5_13.

Identification of mutations in evolved bacterial genomes.

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  • 1Department of Chemical and Biological Engineering, Iowa State University, Ames, IA, USA.


Directed laboratory evolution is a common technique to obtain an evolved bacteria strain with a desired phenotype. This technique is especially useful as a supplement to rational engineering for complex phenotypes such as increased biocatalyst tolerance to toxic compounds. However, reverse engineering efforts are required in order to identify the mutations that occurred, including single nucleotide polymorphisms (SNPs), insertions/deletions (indels), duplications, and rearrangements. In this protocol, we describe the steps to (1) obtain and sequence the genomic DNA, (2) process and analyze the genomic DNA sequence data, and (3) verify the mutations by Sanger resequencing.

[PubMed - indexed for MEDLINE]
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