Document Detail


Compensatory nature of Chargaff's second parity rule.
MedLine Citation:
PMID:  23140179     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The second parity rule of Chargaff (A≈T and G≈C within one strand) holds all over the living world with minor exceptions. It is maintained with higher accuracy for long sequences. The question addressed in the article is how different sequence types, with different biases from the parity, contribute to the general effect. It appears that the sequence segments with biases of opposite sign are intermingled, so that with sufficient sequence lengths the parity is established. The parity rule seems to be a cumulative result of a number of independent processes in the genome evolution, with the parity as their intrinsic property. Symmetrical appearance of simple repeats and of Alu sequences in the human DNA strands, and other contributions to the Chargaff parity II rule are discussed.
Authors:
Alexandra E Rapoport; Edward N Trifonov
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-11-12
Journal Detail:
Title:  Journal of biomolecular structure & dynamics     Volume:  -     ISSN:  1538-0254     ISO Abbreviation:  J. Biomol. Struct. Dyn.     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-11-12     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8404176     Medline TA:  J Biomol Struct Dyn     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
a Genome Diversity Center, Institute of Evolution, University of Haifa , Mount Carmel , Haifa , 31905 , Israel.
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