Title |
RNase MRP and the RNA processing cascade in the eukaryotic ancestor
|
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Published in |
BMC Ecology and Evolution, February 2007
|
DOI | 10.1186/1471-2148-7-s1-s13 |
Pubmed ID | |
Authors |
Michael D Woodhams, Peter F Stadler, David Penny, Lesley J Collins |
Abstract |
Within eukaryotes there is a complex cascade of RNA-based macromolecules that process other RNA molecules, especially mRNA, tRNA and rRNA. An example is RNase MRP processing ribosomal RNA (rRNA) in ribosome biogenesis. One hypothesis is that this complexity was present early in eukaryotic evolution; an alternative is that an initial simpler network later gained complexity by gene duplication in lineages that led to animals, fungi and plants. Recently there has been a rapid increase in support for the complexity-early theory because the vast majority of these RNA-processing reactions are found throughout eukaryotes, and thus were likely to be present in the last common ancestor of living eukaryotes, herein called the Eukaryotic Ancestor. |
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Readers by professional status | Count | As % |
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Student > Bachelor | 2 | 4% |
Other | 7 | 14% |
Unknown | 3 | 6% |
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Unspecified | 1 | 2% |
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Unknown | 3 | 6% |