Definition of the Escherichia coli MC4100 genome by use of a DNA array

Joseph E. Peters, Timothy E. Thate, Nancy L. Craig

Research output: Contribution to journalArticle

Abstract

We have used an Escherichia coli K-12 whole-genome array based on the DNA sequence of strain MG1655 as a tool to identify deletions in another E. coli K-12 strain, MC4100, by probing the array with labeled chromosomal DNA. Despite the continued widespread use of MC4100 as an experimental system, the specific genetic relationship of this strain to the sequenced K-12 derivative MG1655 has not been resolved. MC4100 was found to contain four deletions, ranging from 1 to 97 kb in size. The exact nature of three of the deletions was previously unresolved, and the fourth deletion was altogether unknown.

Original languageEnglish (US)
Pages (from-to)2017-2021
Number of pages5
JournalJournal of bacteriology
Volume185
Issue number6
DOIs
StatePublished - Mar 2003

ASJC Scopus subject areas

  • Microbiology
  • Molecular Biology

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