An Annotated Catalog of Inverted Repeats of Caenorhabditis elegans Chromosomes III and X, with Observations Concerning Odd/Even Biases and Conserved Motifs

  1. Mark D. LeBlanc1,
  2. Glen Aspeslagh1,
  3. Nathan P. Buggia1, and
  4. Betsey D. Dyer2
  1. 1Department of Math and Computer Science and 2Department of Biology, Wheaton College, Norton, Massachusetts USA, 02766

Abstract

We have taken a computational approach to the problem of discovering and deciphering the grammar and syntax of gene regulation in eukaryotes. A logical first step is to produce an annotated catalog of all regulatory sites in a given genome. Likely candidates for such sites are direct and indirect repeats, including three subcategories of indirect repeats: inverted (palindromic), everted, and mirror-image repeats. To that end we have produced a searchable database of inverted repeats of chromosomes III and X of Caenorhabditis elegans, the first completely sequenced multicellular eukaryote. Initial results from the use of this catalog are observations concerning odd/even biases in perfect IRs. The potential usefulness of the catalog as a discovery tool for promoters was shown for some of the genes involved with G-protein functions and for heat shock protein 104 (hsp104).

Footnotes

  • 2 Corresponding author.

  • E-MAIL BDyer{at}Wheatoncollege.edu; FAX (508) 285-8278.

  • Article and publication are at www.genome.org/cgi/doi/10.1101/gr.122700.

    • Received October 12, 1999.
    • Accepted July 11, 2000.
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