Escherichia coli genes affecting recipient ability in plasmid conjugation: Are there any?
2009

E. coli Genes and Plasmid Conjugation

Sample size: 23908 publication 15 minutes Evidence: moderate

Author Information

Author(s): Daniel Pérez-Mendoza, Fernando de la Cruz

Primary Institution: Universidad de Cantabria and University of Cambridge

Hypothesis

What E. coli genes are required for recipient ability in plasmid conjugation?

Conclusion

Recipient bacterial cells cannot avoid being used as recipients in bacterial conjugation, which has implications for the spread of antibiotic resistance.

Supporting Evidence

  • No non-essential E. coli genes were found to play an essential role in conjugation.
  • Mutations in the lipopolysaccharide synthesis pathway had a modest effect on plasmid transfer.
  • The study screened over 99% of non-essential E. coli genes.

Takeaway

The study looked at E. coli genes to see if they help bacteria take in plasmids, but found that most genes don't really matter for this process.

Methodology

The study used high-throughput screening of E. coli mutant collections to analyze gene contributions to plasmid conjugation.

Limitations

The study may not have identified all relevant genes due to the nature of the screening methods used.

Digital Object Identifier (DOI)

10.1186/1471-2164-10-71

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