The rearranged genetic code and its implications in evolution and biochemistry.
نویسندگان
چکیده
We rearrange the genetic code and present a table of codons. The chemical properties of the amino acids coded by codons, and the evolutionary trend of codons are well reflected in the order of this table, from which two rules can be drawn: (1) the polarity/non-polarity and hydrophilicity/hydrophobicity of amino acids coded for by codons alternate row by row in the table; (2) in general, the lower down in the table, the earlier the codons are in terms of evolution.
منابع مشابه
I-16: The Evolution of Morality and Implications for Animal Usage
The propensity to show moral behaviour has evolved in all animals living in complex societies as it promotes social stability. All major religions provide a structure for a moral code. The code is valuable in the societies where the religions have influence. The most important aspects of morality are the same in all countries. Because of their moral code, people consider that they have obligati...
متن کاملThe evolving tRNA molecule.
The study of tRNA molecular evolution is crucial to understanding the origin and establishment of the genetic code as well as the differentiation and refinement of the machinery of protein synthesis in prokaryotes, eukaryotes, organelles, and phage systems. The small size of the molecule and its critical involvement in a multiplicity of roles distinguish its study from classical protein molecul...
متن کاملOptimization of Beam Orientation and Weight in Radiotherapy Treatment Planning using a Genetic Algorithm
Introduction: The selection of suitable beam angles and weights in external-beam radiotherapy is at present generally based upon the experience of the planner. Therefore, automated selection of beam angles and weights in forward-planned radiotherapy will be beneficial. Material and Methods: In this work, an efficient method is presented within the MATLAB environment to investigate how to improv...
متن کاملOrigins and evolution of modern biochemistry: insights from genomes and molecular structure.
The survey of components in living systems at different levels of organization enables an evolutionary exploration of patterns and processes in macromolecules, networks, and genomic repertoires. Here we discuss how phylogenetic strategies that generate intrinsically rooted phylogenies impact the evolutionary study of RNA and protein components of the macromolecular machinery that is responsible...
متن کاملrDNA-ITS2 Identification of Anopheles pulcherrimus (Diptera: Culicidae): Genetic Differences and Phylogenetic Relation with Other Iranian Vectors and Its Implications for Malaria Control
Anopheles pulcherrimus Theobald has a wide distribution in western Asia and is a potential vector of malaria in Iran. We have examined the rDNA-ITS2 (internal transcribed spacer 2) region of An. pulcherrimus specimens collected during the two peaks of activity (May-June and October-November) from Sistan and Baluchistan province, southeastern Iran. There were no consistent differences between sp...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
- Bio Systems
دوره 56 2-3 شماره
صفحات -
تاریخ انتشار 2000