Display Settings:

Format

Send to:

Choose Destination

    Mosaic organization of DNA nucleotides.

    Source

    Department of Physics, Boston University, Massachusetts 02215, USA.

    Abstract

    Long-range power-law correlations have been reported recently for DNA sequences containing noncoding regions. We address the question of whether such correlations may be a trivial consequence of the known mosaic structure ("patchiness") of DNA. We analyze two classes of controls consisting of patchy nucleotide sequences generated by different algorithms--one without and one with long-range power-law correlations. Although both types of sequences are highly heterogenous, they are quantitatively distinguishable by an alternative fluctuation analysis method that differentiates local patchiness from long-range correlations. Application of this analysis to selected DNA sequences demonstrates that patchiness is not sufficient to account for long-range correlation properties.

    PMID:
    9961383
    [PubMed - indexed for MEDLINE]

      Supplemental Content

      Icon for American Physical Society

      Save items

      loading

      Recent activity

      Your browsing activity is empty.

      Activity recording is turned off.

      Turn recording back on

      See more...
      Write to the Help Desk