Restoration of growth phenotypes of Escherichia coli DH5α in minimal media through reversal of a point mutation in purB

Suk Chae Jung, Chris L. Smith, Ki Sung Lee, Min Eui Hong, Dae Hyuk Kweon, Gregory Stephanopoulos, Yong Su Jin

Research output: Contribution to journalArticlepeer-review

Abstract

A point mutation (E115K) resulting in slower growth of Escherichia coli DH5α and XL1-Blue in minimal media was identified in the purB gene, coding for adenylosuccinate lyase (ASL), through complementation with an E. coli K-12 genomic library and serial subcultures. Chromosomal modification reversing the mutation to the wild type restored growth phenotypes in minimal media.

Original languageEnglish (US)
Pages (from-to)6307-6309
Number of pages3
JournalApplied and environmental microbiology
Volume76
Issue number18
DOIs
StatePublished - Sep 2010

ASJC Scopus subject areas

  • Biotechnology
  • Food Science
  • Applied Microbiology and Biotechnology
  • Ecology

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