Genome-wide screening of the genes required for tolerance to vanillin, which is a potential inhibitor of bioethanol fermentation, in Saccharomyces cerevisiae
2008

Identifying Genes for Vanillin Tolerance in Yeast

Sample size: 4127 publication Evidence: high

Author Information

Author(s): Endo Ayako, Nakamura Toshihide, Ando Akira, Tokuyasu Ken, Shima Jun

Primary Institution: National Food Research Institute

Hypothesis

What genes are required for tolerance to vanillin in Saccharomyces cerevisiae?

Conclusion

The study identifies that vanillin tolerance in yeast is influenced by various cellular processes, particularly involving ergosterol biosynthesis.

Supporting Evidence

  • 76 deletion mutants were identified as vanillin-sensitive mutants.
  • Genes for ergosterol biosynthesis were required for tolerance to all inhibitory compounds tested.
  • The study suggests that ergosterol is a key component of tolerance to various inhibitors.

Takeaway

Scientists looked at yeast to find out which genes help it survive vanillin, a substance that can stop it from making alcohol. They found that certain genes are really important for this.

Methodology

The study screened a collection of approximately 4700 diploid deletion strains of Saccharomyces cerevisiae to identify those sensitive to vanillin.

Statistical Information

P-Value

<0.001

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1186/1754-6834-1-3

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