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Related Concept Videos

Genomics02:02

Genomics

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Genomics is the science of genomes: it is the study of all the genetic material of an organism. In humans, the genome consists of information carried in 23 pairs of chromosomes in the nucleus, as well as mitochondrial DNA. In genomics, both coding and non-coding DNA is sequenced and analyzed. Genomics allows a better understanding of all living things, their evolution, and their diversity. It has a myriad of uses: for example, to build phylogenetic trees, to improve productivity and...
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Genome comparison is one of the excellent ways to interpret the evolutionary relationships between organisms. The basic principle of genome comparison is that if two species share a common feature, it is likely encoded by the DNA sequence conserved between both species. The advent of genome sequencing technologies in the late 20th century enabled scientists to understand the concept of conservation of domains between species and helped them to deduce evolutionary relationships across diverse...
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Related Experiment Video

Updated: Aug 2, 2025

An Integrated Approach for Microprotein Identification and Sequence Analysis
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GenArk: Towards a million UCSC Genome Browsers.

Hiram Clawson1, Brian T Lee1, Brian J Raney1

  • 1Genomics Institute, University of California, Santa Cruz, CA 95064, USA.

Research Square
|April 17, 2023
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Summary
This summary is machine-generated.

The Genome Archive (GenArk) provides accessible UCSC Genome Browsers for thousands of NCBI-hosted genome assemblies. This system enables rapid visualization of DNA sequences and annotations without needing a database server.

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Area of Science:

  • Genomics
  • Bioinformatics

Background:

  • Interactive genome browsers are crucial for DNA sequence analysis.
  • Managing a growing number of genome assemblies and their annotations presents significant challenges.

Approach:

  • Developed the Genome Archive (GenArk) collection of UCSC Genome Browsers for NCBI-hosted assemblies.
  • Utilized an established assembly hub system for on-demand visualization without database servers.
  • Optimized BLAT aligner and in-silico PCR for efficient large-genome analysis with limited RAM.

Key Points:

  • GenArk offers fast visualization of chromosome regions with pre-loaded annotations like gene models and repeat masks.
  • Users can upload custom annotations via track hubs or import bulk data from third-party resources.
  • Currently hosts 2,430 assemblies, with plans for continuous updates and community-driven additions.

Conclusions:

  • GenArk significantly improves accessibility to a vast and growing number of genome assemblies.
  • Facilitates comparative genomics and annotation efforts by providing a scalable visualization platform.