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Related Concept Videos

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The genome refers to all of the genetic material in an organism. It can range from a few million base pairs in microbial cells to several billion base pairs in many eukaryotic organisms. Genome assembly refers to the process of taking the DNA sequencing data and putting it all back together in a correct order to create a close representation of the original genome. This is followed by the identification of functional elements on the newly assembled genome, a process called genome annotation.
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Microarray Analysis for Saccharomyces cerevisiae
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The Saccharomyces Genome Database: Exploring Genome Features and Their Annotations.

J Michael Cherry1

  • 1Department of Genetics, Stanford University School of Medicine, Stanford, California 94305-5120.

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Genome browsers visualize large-scale genomic data, displaying experimental results as tracks. This study explores the integrated genome browser within the Saccharomyces Genome Database (SGD) for enhanced data exploration.

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Area of Science:

  • Genomics
  • Bioinformatics
  • Computational Biology

Background:

  • Genomic-scale assays generate vast amounts of base-pair resolution data.
  • Graphical viewers, known as genome browsers, are essential for interpreting this complex data.
  • Current genome browsers facilitate searches by genomic coordinates or feature names but lack functional or binding site search capabilities.

Purpose of the Study:

  • To explore the genome browser integrated within the Saccharomyces Genome Database (SGD).
  • To highlight the utility of genome browsers in visualizing and analyzing genomic data from various assays.

Main Methods:

  • Utilized the graphical interface of the Saccharomyces Genome Database (SGD) genome browser.
  • Examined the display of genomic data as horizontal tracks, including feature representations and wiggle plots.
  • Considered the application of these visualizations for next-generation sequencing data, such as chromatin immunoprecipitation sequencing (ChIP-seq) and RNA sequencing (RNA-seq).

Main Results:

  • Genome browsers effectively display genomic data and experimental results as distinct tracks.
  • Wiggle plots within genome browsers represent processed signal intensity, crucial for interpreting next-generation sequencing data.
  • The SGD genome browser provides a platform for exploring yeast genomic information.

Conclusions:

  • Genome browsers are indispensable tools for summarizing and visualizing base-pair resolution genomic data.
  • The Saccharomyces Genome Database (SGD) browser offers a valuable resource for researchers studying yeast genomics.
  • Further development could enhance genome browsers to include functional or binding site search capabilities.