Spontaneous and evolutionary changes in the antibiotic resistance of Burkholderia cenocepacia observed by global gene expression analysis
2011

Understanding Antibiotic Resistance in Burkholderia cenocepacia

publication Evidence: moderate

Author Information

Author(s): Sass Andrea, Marchbank Angela, Tullis Elizabeth, LiPuma John J, Mahenthiralingam Eshwar

Primary Institution: Cardiff University

Hypothesis

What genetic pathways mediate antibiotic resistance in Burkholderia cenocepacia?

Conclusion

The study identified multiple genetic pathways involved in antibiotic resistance in Burkholderia cenocepacia, revealing potential therapeutic targets.

Supporting Evidence

  • Spontaneous resistance involved more gene expression changes than those from antibiotic exposure.
  • Glucose can improve antibiotic efficacy against B. cenocepacia.
  • Resistance mechanisms are multifactorial and stable over time.

Takeaway

This study found that Burkholderia cenocepacia can change its genes to resist antibiotics, which makes it harder to treat infections.

Methodology

Transcriptomic analysis using microarrays to study gene expression changes in response to antibiotics.

Limitations

The study could not prove a direct involvement of many genes in antibiotic resistance.

Statistical Information

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1186/1471-2164-12-373

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