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One ancestor for two codes viewed from the perspective of two complementary modes of tRNA aminoacylation

Overview of attention for article published in Biology Direct, January 2009
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Title
One ancestor for two codes viewed from the perspective of two complementary modes of tRNA aminoacylation
Published in
Biology Direct, January 2009
DOI 10.1186/1745-6150-4-4
Pubmed ID
Authors

Andrei S Rodin, Eörs Szathmáry, Sergei N Rodin

Abstract

The genetic code is brought into action by 20 aminoacyl-tRNA synthetases. These enzymes are evenly divided into two classes (I and II) that recognize tRNAs from the minor and major groove sides of the acceptor stem, respectively. We have reported recently that: (1) ribozymic precursors of the synthetases seem to have used the same two sterically mirror modes of tRNA recognition, (2) having these two modes might have helped in preventing erroneous aminoacylation of ancestral tRNAs with complementary anticodons, yet (3) the risk of confusion for the presumably earliest pairs of complementarily encoded amino acids had little to do with anticodons. Accordingly, in this communication we focus on the acceptor stem.

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Mendeley readers

The data shown below were compiled from readership statistics for 32 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United States 1 3%
Netherlands 1 3%
Unknown 30 94%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 11 34%
Researcher 7 22%
Student > Master 3 9%
Professor 2 6%
Student > Doctoral Student 1 3%
Other 4 13%
Unknown 4 13%
Readers by discipline Count As %
Agricultural and Biological Sciences 18 56%
Biochemistry, Genetics and Molecular Biology 3 9%
Computer Science 1 3%
Immunology and Microbiology 1 3%
Physics and Astronomy 1 3%
Other 2 6%
Unknown 6 19%