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- Title
UNIVERSAL LENGTHS IN COMPLETE MICROBIAL GENOMES.
- Authors
Chen, T. Y.; Hsieh, L. C.; Chang, C. H.; Luo, L. F.; Ji, F. M.; Lee, H. C.
- Abstract
Statistical analysis of frequency occurrence of short words in complete genomes reveals the existence of a set of universal lengths common to all extant complete microbial genomes. This phenomenon is consistent with a model for genome growth in which primitive genomes grew mainly by maximally stochastic duplications of short segments from an initial length of about 200 nucleotides. The relevance of these results to the so-called RNA world in which life began and evolved before the rise of proteins is discussed.
- Subjects
MICROBIAL genomes; GENOMES; BACTERIAL genomes; STATISTICAL physics; NUCLEOTIDES; RNA; NUCLEIC acids; GENOMICS
- Publication
International Journal of Modern Physics B: Condensed Matter Physics; Statistical Physics; Applied Physics, 2004, Vol 18, Issue 17-19, p2448
- ISSN
0217-9792
- Publication type
Article
- DOI
10.1142/S021797920402549X