Enhanced biosurfactant production through cloning of three genes and role of esterase in biosurfactant release
2011

Enhanced Biosurfactant Production in Bacillus subtilis

publication Evidence: moderate

Author Information

Author(s): Sekhon Kamaljeet Kaur, Khanna Sunil, Cameotra Swaranjit Singh

Primary Institution: Thapar University

Hypothesis

Can cloning specific genes in Bacillus subtilis enhance biosurfactant and esterase production?

Conclusion

The study demonstrated that recombinant strains of Bacillus subtilis produced significantly higher levels of biosurfactants and esterases, which have potential industrial applications.

Supporting Evidence

  • Bacillus subtilis SK320 showed a twofold increase in biosurfactant and esterase activities after gene cloning.
  • The biosurfactants produced were effective emulsifiers, reducing surface tension significantly.
  • The study established a correlation between biosurfactant production and esterase activity.

Takeaway

Scientists found a way to make bacteria produce more soap-like substances that can help clean up oil spills and other pollutants.

Methodology

Bacillus subtilis was grown on various substrates, and biosurfactant and esterase activities were measured after cloning specific genes into E. coli.

Limitations

The study primarily focused on a single bacterial strain and specific substrates, which may limit the generalizability of the findings.

Digital Object Identifier (DOI)

10.1186/1475-2859-10-49

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