Scale-Invariant Spatial Patterns in Genome Organization

Michael D. Purugganan

Physics Letters A, 175(3-4), 252--256 (1993)

Abstract

Eukaryotic genomes are characterized by coding regions interspersed within non-coding sequences, creating irregular dispersal patterns. Fractal analysis was applied to the study of this dispersed organization of eukaryotic genomes. The results show that eukaryotic genomes possess two length regimes -- a short ordered length scale, and a fractal regime with fractal dimensions ranging from 0.21 +/- 0.02 to 0.84 +/- 0.02. Fractal scaling provides clues to the origin and evolution of sequence patterns within genomes, and provides us with tools necessary to characterize such patterns in detail.