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Informatic Analysis of Sequence Data from Batch Yeast 2-Hybrid Screens
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A user-friendly platform for yeast two-hybrid library screening using next generation sequencing.

Marie-Laure Erffelinck1,2, Bianca Ribeiro1,2, Maria Perassolo1,2,3,4

  • 1Ghent University, Department of Plant Biotechnology and Bioinformatics, Ghent, Belgium.

Plos One
|December 22, 2018
PubMed
Summary
This summary is machine-generated.

A new Yeast Two-Hybrid sequencing (Y2H-seq) method efficiently screens protein-protein interactions (PPIs) using cDNA libraries. This approach enhances discovery for unannotated genomes, advancing PPI network research.

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Area of Science:

  • Molecular Biology
  • Genetics
  • Biochemistry

Background:

  • The Yeast Two-Hybrid (Y2H) system is a key genetic tool for identifying protein-protein interactions (PPIs).
  • High-throughput adaptations of Y2H, incorporating next-generation sequencing (NGS), have increased scale and sensitivity but often require annotated libraries and complex data processing.
  • Existing methods face limitations in genome coverage and ease of use, hindering broader application.

Purpose of the Study:

  • To develop a streamlined and efficient Y2H screening strategy integrated with NGS (Y2H-seq) for analyzing Y2H cDNA libraries.
  • To overcome the limitations of current Y2H technologies, including reliance on annotated libraries and complex data processing.
  • To enable PPI discovery in organisms with incompletely annotated genomes.

Main Methods:

  • Integration of the Yeast Two-Hybrid (Y2H) system with Next-Generation Sequencing (NGS) to create Y2H-seq.
  • Application of Y2H-seq to screen for interaction partners of jasmonate signaling components in *Arabidopsis thaliana*.
  • Utilizing quantitative NGS readout for increased genome coverage and reliable data processing.

Main Results:

  • Successful development and implementation of the Y2H-seq method for efficient and reliable screening of Y2H cDNA libraries.
  • Identification of known and novel interaction partners for key components of the *Arabidopsis thaliana* jasmonate signaling pathway.
  • Demonstration of Y2H-seq's ability to identify PPIs without prior knowledge of open reading frames (ORFs).

Conclusions:

  • Y2H-seq provides a user-friendly, specific, and sensitive method for PPI discovery.
  • The method extends the utility of Y2H technology to organisms with unannotated genomes, enhancing its value as a discovery platform.
  • Y2H-seq overcomes bottlenecks in current Y2H technologies, improving genome coverage and simplifying data analysis.