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An Ultrahigh-throughput Microfluidic Platform for Single-cell Genome Sequencing

An Ultrahigh-throughput Microfluidic Platform for Single-cell Genome Sequencing

Published on: May 23, 2018

gUMI-BEAR, a modular, unsupervised population barcoding method to track variants and evolution at high resolution.

Shahar Rezenman¹, Maor Knafo¹, Ivgeni Tsigalnitski¹

¹Department of Biomolecular Sciences, Weizmann Institute of Science Rehovot, Rehovot, Israel.

|June 7, 2023

Summary

This summary is machine-generated.

We developed gUMI-BEAR, a cost-effective method for cellular lineage tracking. This technique allows high-resolution, repeatable experiments to study population dynamics and identify beneficial genetic variants.

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Area of Science:

Molecular Biology
Evolutionary Biology
Genetics

Background:

Cellular lineage tracking is crucial for understanding population dynamics, evolution, and disease heterogeneity.
Current methods are often expensive, labor-intensive, and lack experimental repeatability.

Purpose of the Study:

To develop a modular, cost-effective, and high-resolution method for cellular lineage tracking.
To overcome limitations of existing lineage tracking techniques, enabling repeatable experiments.

Main Methods:

Development of gUMI-BEAR (genomic Unique Molecular Identifier Barcoded Enriched Associated Regions).
Application to track tens of thousands of Saccharomyces cerevisiae lineages across multiple generations and environments.
Utilized for parallel screening of numerous Hsp82 gene variants.

Main Results:

Demonstrated high-resolution tracking of yeast lineages, revealing fitness differences and adaptations.
Successfully screened a large number of gene variants.
Enabled isolation of low-frequency variants associated with specific behaviors.

Conclusions:

gUMI-BEAR offers a versatile and accessible tool for high-resolution cellular lineage tracking.
The method facilitates the study of evolutionary processes and the identification of functional genetic variants.
Enables unsupervised discovery of genetic modifications driving desired phenotypes.