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Related Concept Videos

Point and Frameshift Mutations01:30

Point and Frameshift Mutations

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Point mutations are genetic alterations involving the change of a single nucleotide base pair in DNA. Depending on how the alteration affects protein synthesis, they can lead to various consequences.Point mutations fall into the following types:Silent mutations occur when a nucleotide change does not alter the amino acid sequence due to the redundancy of the genetic code. For instance, changing ACC to ACA still encodes threonine, leaving the protein function unaffected. This occurs because...
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Mutations01:35

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Mutations are changes in the sequence of DNA. These changes can occur spontaneously or they can be induced by exposure to environmental factors. Mutations can be characterized in a number of different ways: whether and how they alter the amino acid sequence of the protein, whether they occur over a small or large area of DNA, and whether they occur in somatic cells or germline cells.
Chromosomal Alterations Are Large-Scale Mutations
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Updated: Mar 1, 2026

Using Next Generation Sequencing to Identify Mutations Associated with Repair of a CAS9-induced Double Strand Break Near the CD4 Promoter
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A SIMPLE Pipeline for Mapping Point Mutations.

Guy Wachsman1, Jennifer L Modliszewski2, Manuel Valdes1

  • 1Department of Biology, Duke University, Durham, North Carolina 27708.

Plant Physiology
|May 27, 2017
PubMed
Summary
This summary is machine-generated.

We developed a user-friendly pipeline for mapping plant mutations using next-generation sequencing data. This tool simplifies identifying causal DNA changes, accelerating gene function discovery in forward genetic screens.

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Area of Science:

  • Plant genetics
  • Molecular biology
  • Genomics

Background:

  • Forward genetic screens are essential for understanding gene function in plants.
  • Next-generation sequencing (NGS) offers cost-effective data for mutation mapping.
  • Existing mutation mapping tools can be complex and time-consuming.

Purpose of the Study:

  • To develop a simplified and efficient pipeline for mapping induced mutations in plants.
  • To facilitate the identification of causal DNA changes from NGS data.
  • To provide a user-friendly tool for researchers conducting forward genetic screens.

Main Methods:

  • The pipeline accepts next-generation sequencing fastq files as input.
  • It integrates several established and freely available genome-analysis tools.
  • The system analyzes sequencing data to pinpoint the most likely causal DNA variations.

Main Results:

  • The developed pipeline successfully maps induced mutations in *Arabidopsis thaliana*.
  • It is capable of identifying both dominant and recessive mutations.
  • The tool streamlines the process of mutation mapping, reducing complexity and preparation time.

Conclusions:

  • The new pipeline significantly simplifies mutation mapping in plants.
  • This tool enhances the efficiency of gene function discovery through forward genetic screens.
  • The pipeline is adaptable for use in various plant species and mutation types.