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the origin of the genetic code

Amino acid fermentation at the origin of the genetic code

Amino acid fermentation at the origin of the genetic code

... If sugars were vastly available, they could have a major energy source. If they were limiting, then a “ division of labour ” would be convenient, with sugars employed to synthesise nucleotides and amino acid fermentation ...

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On origin of genetic code and tRNA before translation

On origin of genetic code and tRNA before translation

... genetic code. Of course, it is unlikely that the actual shaping of the genetic code had much in common with this in vitro multi-step selection of RNA aptamers each time begin- ning with a ...

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The ATP Hypothesis: A New Conceptual Framework for the Origin of the Genetic Code

The ATP Hypothesis: A New Conceptual Framework for the Origin of the Genetic Code

... the genetic code is its ability to elongate chains of both polynucleotides and polypeptides without additional energy input, making it possible to establish or fix chemical relations between sequences of ...

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An extension of the coevolution theory of the origin of the genetic code

An extension of the coevolution theory of the origin of the genetic code

... Its origin might therefore have been determined by inter- actions between covalent complexes of peptide and RNA (peptide-RNAs) and these interactions might have consti- tuted one of the most elementary forms of ...

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The Origin of Prebiotic Information System in the Peptide/RNA World: A Simulation Model of the Evolution of Translation and the Genetic Code

The Origin of Prebiotic Information System in the Peptide/RNA World: A Simulation Model of the Evolution of Translation and the Genetic Code

... the genetic code and provided a viable mechanism for its ...The genetic code initially began from ten amino acids which were present in the vent ...the genetic code started with ...

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The mathematical structure of the genetic code: a tool for inquiring on the origin of life

The mathematical structure of the genetic code: a tool for inquiring on the origin of life

... thus, the authors appeal to the necessity of using and/or developing extraordinary tools for tackling these formidable problems. As many say, “absence of evidence is evidence of absence”; hence, the main aim of this ...

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On the origin of the translation system and the genetic code in the RNA world by means of natural selection, exaptation, and subfunctionalization

On the origin of the translation system and the genetic code in the RNA world by means of natural selection, exaptation, and subfunctionalization

... and origin of the codon assignments in the univer- sal genetic code are ...of code evolu- tion fascinated researchers even before the code was fully deciphered, and the earliest ...

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The Origin of the Information System in the RNA/Protein World: A Simulation Model of the Evolution of Translation and the Genetic Code

The Origin of the Information System in the RNA/Protein World: A Simulation Model of the Evolution of Translation and the Genetic Code

... the origin of ...the origin of life within the hydrothermal crater lakes is here ...simultaneous origin of RNA and protein molecules, creating the RNA/protein ...the genetic code, ...

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A four-column theory for the origin of the genetic code: tracing the evolutionary pathways that gave rise to an optimized code

A four-column theory for the origin of the genetic code: tracing the evolutionary pathways that gave rise to an optimized code

... the code evolution problem cannot be ...on code evolution. Considering the 40+ years history of the study of code evolution, it is rather shocking to contemplate how little progress has been made as ...

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The Rodin-Ohno hypothesis that two enzyme superfamilies descended from one ancestral gene: an unlikely scenario for the origins of translation that will not be dismissed

The Rodin-Ohno hypothesis that two enzyme superfamilies descended from one ancestral gene: an unlikely scenario for the origins of translation that will not be dismissed

... Self description and the origin of the genetic code. We appreciate the identification of previously unpub- lished work presented in two sections, the specificity spec- tra of Class I TrpRS and Class ...

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The Issues of the Judicial System and the Jurisdiction of the Courts of the First Instance in the Republic of Austria

The Issues of the Judicial System and the Jurisdiction of the Courts of the First Instance in the Republic of Austria

... Approximately since 1860, the legislator repeatedly tried to replace the outdated General judicial Charter 1781 of Joseph II[4, S.35]. For example, there were some attempts to present the projects, similar to the German ...

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Identifying the genetic components underlying the pathophysiology of movement disorders

Identifying the genetic components underlying the pathophysiology of movement disorders

... With this premise, and taking advantage of the recent developments in genetics, most remarkably GWAS, several attempts have been made to identify different genetic risk variants in PD. The two largest GWAS ...

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Revisiting old vaginal topics: conversion of the Müllerian vagina and origin of the "sinus" vagina

Revisiting old vaginal topics: conversion of the Müllerian vagina and origin of the "sinus" vagina

... dual origin: the cranial part is derived from the Müllerian duct (Müllerian vagina) and the caudal part derived from the urogenital sinus (“sinus” ...from genetic and molecular studies contradicts the ...

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The genetic control of eye development and its implications for the evolution of the various eye types

The genetic control of eye development and its implications for the evolution of the various eye types

... ABSTRACT Mutations in the Pax 6 homologs of mammals and insects prevent eye development and targeted expression of both mammal and insect Pax 6 homologs is capable of inducing functional ectopic eyes. Supported by RNA ...

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Origin and Possible Genetic Recombination of the Middle East Respiratory Syndrome Coronavirus from the First Imported Case in China: Phylogenetics and Coalescence Analysis

Origin and Possible Genetic Recombination of the Middle East Respiratory Syndrome Coronavirus from the First Imported Case in China: Phylogenetics and Coalescence Analysis

... the genetic re- lationship between ChinaGD01 and other MERS-CoV strains whose genomes are available, we performed phylogenetic anal- yses using the complete genome, the ORF1ab gene, and the S ...

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Dual embryonic origin of the hyobranchial apparatus in the Mexican axolotl (Ambystoma mexicanum)

Dual embryonic origin of the hyobranchial apparatus in the Mexican axolotl (Ambystoma mexicanum)

... experimental approaches all the authors concluded that the majority of the viscerocranium cartilages in amphibians are of NC origin, particularly the jaw, hyoid, and branchial arches. However, some viscerocranial ...

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From the Aristotelian soul to genetic and epigenetic information: the evolution of the modern concepts in developmental biology at the turn of the century

From the Aristotelian soul to genetic and epigenetic information: the evolution of the modern concepts in developmental biology at the turn of the century

... Int J Dev lJiol ~O 21 26 (1996) 21 From the Aristotelian soul to genetic and epigenetic information the evolution of the modern concepts in developmental biology at the turn of the century Creature ma[.] ...

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The Molecular Genetic Study of Genetic Markers of Predisposition to Physical Loading

The Molecular Genetic Study of Genetic Markers of Predisposition to Physical Loading

... genetic predisposition. The most common complications are disturbances of the cardiovascular system (CVS), which may be the cause of oxymortia due to coronary vessels pathology and heart function disorders in case ...

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Understanding the genetic basis of morphological evolution: the role of homeotic genes in the diversification of the arthropod bauplan

Understanding the genetic basis of morphological evolution: the role of homeotic genes in the diversification of the arthropod bauplan

... their genetic bases? Only recently, with the maturation of the field of develop- mental genetics and evolution have we started to gain some insights into these fundamental biological ...

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Effect of Selection on the Genetic Structure of the Population With the Presence or Absence of Genetic Drift

 

Effect of Selection on the Genetic Structure of the Population With the Presence or Absence of Genetic Drift  

... drift genetic does not exist (the ideal), if caused by an external factor, the chances of survival of life Homozygous lost 0 and 20 and 50 percent of the genes in the population of Mirrors Others frequency ...

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