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Updated: May 29, 2025

Functional Assessment of BRCA1 variants using CRISPR-Mediated Base Editors

Functional Assessment of BRCA1 variants using CRISPR-Mediated Base Editors

Published on: February 28, 2021

MitoEdit: a pipeline for optimizing mtDNA base editing and predicting bystander effects.

Devansh Shah, Kelly McCastlain, Ti-Cheng Chang

Biorxiv : the Preprint Server for Biology

|February 3, 2025

Summary

This summary is machine-generated.

MitoEdit is a new tool that predicts unintended edits in mitochondrial DNA (mtDNA) base editing, streamlining research on mtDNA mutations and associated diseases.

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Functional Assessment of BRCA1 variants using CRISPR-Mediated Base Editors

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A Nonsequencing Approach for the Rapid Detection of RNA Editing

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Published on: April 21, 2022

Area of Science:

Genomics
Molecular Biology
Bioinformatics

Background:

Mitochondrial DNA (mtDNA) mutations are linked to inherited respiratory disorders.
The role of somatic mtDNA mutations in chronic diseases and cancer requires further investigation.
Current mtDNA base editing tools face challenges with predicting unintended 'bystander' edits.

Purpose of the Study:

To develop a computational tool for predicting bystander edits in mtDNA base editing.
To optimize the identification of target windows for mtDNA mutation studies.
To reduce experimental trial-and-error in mtDNA base editing construct development.

Main Methods:

Developed MitoEdit, a novel computational tool for mtDNA base editing.
MitoEdit analyzes DNA sequences to predict potential bystander edits and their functional impact.
The tool incorporates empirical base editor patterns and TALE-binding sequences.

Main Results:

MitoEdit accurately predicts the majority of bystander edits in silico.
The tool identifies optimal target windows and reduces the need for empirical testing.
MitoEdit automates the prediction of base edits in mitochondrial DNA.

Conclusions:

MitoEdit represents the first automated tool for predicting base edits in mitochondrial DNA.
This tool can accelerate research into mtDNA mutations and their role in disease.
MitoEdit is freely available to the scientific community.