A Genome-Wide Immunodetection Screen in S. cerevisiae Uncovers Novel Genes Involved in Lysosomal Vacuole Function and Morphology
2011

Novel Genes in Yeast Vacuole Function & Morphology

Sample size: 188 publication 10 minutes Evidence: moderate

Author Information

Author(s): Ricarte Florante Menjivar, Rosa Chhun, Surya Soreta, Tattika Oliveira, Lisa Hsueh, Teli Serranilla, Maribeth Gharakhanian, Editte Arkowitz

Primary Institution: California State University Long Beach

Hypothesis

Undefined gene functions remain at post-endosomal stage of vacuolar events.

Conclusion

The study identifies twelve ENV genes involved in vacuolar function and morphology, including four novel genes.

Supporting Evidence

  • The study uncovered twelve ENV genes linked to vacuolar function.
  • Four novel genes were identified that had not been previously characterized.
  • Mutants exhibited defects in stress survival functions associated with vacuoles.
  • Vacuolar morphology defects were observed in several mutants.

Takeaway

Scientists found new genes in yeast that help the vacuole, an important part of the cell, work properly.

Methodology

A genome-wide immunodetection screen was performed using a haploid deletion strain library to identify mutants accumulating precursor CPY.

Potential Biases

Mutants were identified only by grid/plate number to minimize bias.

Limitations

The small size of the gene collection and potential errors in the haploid deletion strain library.

Participant Demographics

Yeast strains from the MAT-α haploid S. cerevisiae deletion strain library.

Statistical Information

P-Value

p<0.05

Confidence Interval

95%

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0023696

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