Document Detail


A genetic code Boolean structure. II. The genetic information system as a Boolean information system.
MedLine Citation:
PMID:  15998493     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
A Boolean structure of the genetic code where Boolean deductions have biological and physicochemical meanings was discussed in a previous paper. Now, from these Boolean deductions we propose to define the value of amino acid information in order to consider the genetic information system as a communication system and to introduce the semantic content of information ignored by the conventional information theory. In this proposal, the value of amino acid information is proportional to the molecular weight of amino acids with a proportional constant of about 1.96 x 10(25) bits per kg. In addition to this, for the experimental estimations of the minimum energy dissipation in genetic logic operations, we present two postulates: (1) the energy Ei (i=1,2,...,20) of amino acids in the messages conveyed by proteins is proportional to the value of information, and (2) amino acids are distributed according to their energy Ei so the amino acid population in proteins follows a Boltzmann distribution. Specifically, in the genetic message carried by the DNA from the genomes of living organisms, we found that the minimum energy dissipation in genetic logic operations was close to kTLn(2) joules per bit.
Authors:
Robersy Sanchez; Ricardo Grau
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Bulletin of mathematical biology     Volume:  67     ISSN:  0092-8240     ISO Abbreviation:  Bull. Math. Biol.     Publication Date:  2005 Sep 
Date Detail:
Created Date:  2005-07-06     Completed Date:  2005-09-12     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0401404     Medline TA:  Bull Math Biol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1017-29     Citation Subset:  IM    
Affiliation:
Research Institute of Tropical Roots, Tuber Crops and Banana (INIVIT), Biotechnology Group, Santo Domingo, Villa Clara, Cuba. robersy@uclv.edu.cu
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MeSH Terms
Descriptor/Qualifier:
Algorithms
Amino Acids / chemistry,  genetics
Animals
Archaea / genetics
Bacteria / genetics
Deoxyribonucleotides / chemistry,  genetics
Genetic Code / genetics*
Genome
Humans
Models, Genetic*
Regression Analysis
Statistical Distributions
Thermodynamics*
Chemical
Reg. No./Substance:
0/Amino Acids; 0/Deoxyribonucleotides

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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