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Related Experiment Video

Updated: Apr 29, 2026

BEST: Barcode Enabled Sequencing of Tetrads

BEST: Barcode Enabled Sequencing of Tetrads

Published on: May 1, 2014

BEST: barcode enabled sequencing of tetrads.

Adrian C Scott¹, Catherine L Ludlow¹, Gareth A Cromie¹

¹Pacific Northwest Diabetes Research Institute.

Journal of Visualized Experiments : Jove

|May 20, 2014

Summary

Barcode Enabled Sequencing of Tetrads (BEST) streamlines yeast genetics by automating tetrad dissection. This method enables high-throughput analysis of meiotic progeny, overcoming limitations of manual techniques.

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Area of Science:

Yeast genetics
Molecular biology
Genomics

Background:

Tetrad analysis is crucial in yeast genetics for studying meiotic recombination and gene linkage.
Traditional manual tetrad dissection is time-consuming and limits the scale of genetic studies.

Purpose of the Study:

To introduce and detail the Barcode Enabled Sequencing of Tetrads (BEST) method for high-throughput yeast tetrad analysis.
To overcome the bottleneck of manual dissection in yeast genetics research.

Main Methods:

Utilizes a sporulation-specific GFP fusion protein for fluorescence-activated cell sorting of yeast tetrads.
Employs enzymatic digestion of the ascus and glass bead plating for spore disruption and arraying.
Employs molecular barcodes for assigning sister spore relationships during genotyping.

Main Results:

BEST enables the isolation of hundreds to thousands of tetrads in minutes, significantly increasing throughput.
The method successfully assigns sister spore relationships through barcode sequencing.
Detailed experimental procedures for implementing BEST in Saccharomyces cerevisiae are provided.

Conclusions:

BEST provides a scalable and efficient alternative to manual tetrad dissection in yeast genetics.
This technique facilitates large-scale genetic analysis of meiotic progeny, accelerating discovery in yeast research.