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Related Concept Videos

Genetic Screens02:46

Genetic Screens

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Genetic screens are tools used to identify genes and mutations responsible for phenotypes of interest. Genetic screens help identify individuals or a group of people at risk of developing  genetic diseases and help them with early intervention, targeted therapy, and reproductive options.
Forward genetic screens
Forward or “classical” genetic screens involve creating random mutations in an organism’s DNA using radiation, mutagens, or insertion of additional bases, which...
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DaniocellDesktop: for Interactive Reanalysis of Wild-Type Zebrafish Single-Cell Genomic Data.

Alicia Evans1, Jeffrey A Farrell2

  • 1Bioinformatics and Scientific Programming Core, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, MD, USA.

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|September 5, 2025
PubMed
Summary
This summary is machine-generated.

DaniocellDesktop allows researchers to easily reanalyze zebrafish development gene expression data. This tool enables new insights into cell types and gene patterns without coding skills.

Keywords:
developmental biologysingle-cell RNAseqsoftwarezebrafish

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Area of Science:

  • Developmental Biology
  • Genomics
  • Bioinformatics

Background:

  • Single-cell RNA sequencing (scRNA-seq) provides high-resolution gene expression data.
  • Understanding early zebrafish development requires detailed cell-type-specific gene expression analysis.
  • Reanalysis of existing large-scale scRNA-seq datasets can yield novel biological insights.

Purpose of the Study:

  • To develop a user-friendly desktop application for reanalyzing a large-scale scRNA-seq dataset of early zebrafish development.
  • To enable researchers without programming expertise to explore cell-type-specific gene expression patterns.
  • To facilitate the identification of differentially expressed genes and visualization of gene expression dynamics.

Main Methods:

  • Development of DaniocellDesktop, a cross-platform interactive desktop application.
  • Utilizing a previously published 462,243-cell scRNA-seq dataset from wild-type zebrafish embryos (0-5 days post-fertilization).
  • Implementation of features for cell population redefinition, differential gene expression analysis, and various plotting functions.

Main Results:

  • DaniocellDesktop successfully facilitates the reanalysis of the comprehensive zebrafish development scRNA-seq dataset.
  • Users can redefine cell populations and identify novel differentially expressed genes.
  • The application generates publication-ready plots illustrating gene expression patterns, co-expression, and temporal dynamics.

Conclusions:

  • DaniocellDesktop empowers broader accessibility to complex scRNA-seq data analysis.
  • The tool enhances the potential for new discoveries in zebrafish developmental gene expression.
  • It provides a valuable resource for researchers studying early vertebrate development.