Combining chemical genomics screens in yeast to reveal spectrum of effects of chemical inhibition of sphingolipid biosynthesis
2009

Understanding the Effects of a Chemical on Yeast Cells

Sample size: 3500 publication Evidence: moderate

Author Information

Author(s): Danièle Kemmer, Lianne M. McHardy, Shawn Hoon, Delphine Rebérioux, Guri Giaever, Corey Nislow, Calvin D. Roskelley, Michel Roberge

Primary Institution: University of British Columbia

Hypothesis

Can combining different chemical genomics approaches provide a more complete understanding of drug action in yeast?

Conclusion

Combining various screening methods revealed that the chemical dihydromotuporamine C affects multiple cellular processes, including sphingolipid biosynthesis and mitochondrial function.

Supporting Evidence

  • The study identified 51 chemicals that inhibited yeast growth.
  • DhMotC was shown to require functional mitochondria to kill yeast cells.
  • Chemical-genetic synthetic lethality screens revealed genes involved in vacuolar pH and vesicle-mediated transport.

Takeaway

Scientists used yeast to see how a chemical affects cells, finding that it can stop cells from growing and mess with their insides.

Methodology

The study used various chemical genomics approaches, including halo assays and liquid growth assays, to assess the effects of dihydromotuporamine C on yeast.

Limitations

The study primarily focused on yeast, which may not fully represent human cellular responses.

Digital Object Identifier (DOI)

10.1186/1471-2180-9-9

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