Transfer RNA transforms tree of life
A comparison of transfer RNAs has revealed the roots of the tree of life, indicating ancient origins for Archaea and viruses, according to research published yesterday in linkurl:PLoS Computational Biology.;http://www.ploscompbiol.org/article/info%3Adoi%2F10.1371%2Fjournal.pcbi.1000018 Since the discovery that ribosomal RNA can reveal evolutionary relationships between organisms, researchers have split the universal tree of life into three main branches: the superkingdoms Archaea, Bacteria, an

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Elie Dolgin
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