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The evolution of aminoacyl-tRNA synthetases, the biosynthetic pathways of amino acids and the genetic code

✍ Scribed by Massimo Di Giulio

Publisher
Springer Netherlands
Year
1992
Tongue
English
Weight
822 KB
Volume
22
Category
Article
ISSN
1573-0875

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πŸ“œ SIMILAR VOLUMES

On the Classes of Aminoacyl-tRNA Synthet
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As a consequence of the existence of two classes of aminoacyl-tRNA synthetases (aaRSs), we de"ned two types of mutations: g (mutations that do not change the class of the involved amino acids) and u (those which change the class). We have found that the mean chemical distance resulting from g mutati

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Spontaneous revertants of a temperature-sensitive Escherichia coli strain harboring a thermolabile leucyl-tRNA synthetase and seryl-tRNA synthetase were selected for growth at 40 degrees C. Among these, strains were found with increased levels of both thermolabile synthetases. Two distinct genetic l