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Related Experiment Videos

Human BAC ends quality assessment and sequence analyses.

S Zhao1, J Malek, G Mahairas

  • 1The Institute for Genomic Research, Rockville, Maryland 20850, USA.

Genomics
|March 8, 2000
PubMed
Summary
This summary is machine-generated.

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Bacterial artificial chromosome (BAC) end sequences offer precise markers for large-scale genome sequencing. Over 300,000 human BAC end sequences (BESs) provide extensive genome coverage and valuable data for various research areas.

Area of Science:

  • Genomics
  • Molecular Biology

Background:

  • Bacterial artificial chromosomes (BACs) are crucial for large-scale genome sequencing.
  • BAC end sequences (BESs) serve as specific markers for identifying genomic regions.

Purpose of the Study:

  • To generate and analyze a large dataset of human BAC end sequences.
  • To assess the quality and utility of BESs for genome research.

Main Methods:

  • Generated over 300,000 end sequences from human BAC clones.
  • Performed quality assessments and sequence analyses on the BESs.
  • Annotated BESs against genomic databases.

Main Results:

  • Achieved >460 bp average read length, totaling 141 Mb of sequence data.

Related Experiment Videos

  • Covered approximately 4.7% of the human genome with >fivefold coverage from paired-end clones.
  • Found similar properties between CalTech and Roswell Park BAC libraries, with noted insert size variations in the CalTech library.
  • Identified issues with sequence data tracking fidelity in some BES subsets.
  • Annotation revealed BESs' value for identifying genomic sequences, STSs, ESTs, protein-coding regions, and repeats.

    • Conclusions:

    • Human BAC end sequences are a valuable resource for genome research.
    • BESs provide high-quality, specific markers for large-scale sequencing projects.
    • Further refinement of data tracking is needed for optimal utilization.