ArticleJournal of molecular evolution2003
Structural and sequence evolution of U17 small nucleolar RNA (snoRNA) and its phylogenetic congruence in chelonians.
Article in Journal of molecular evolution, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
4 citing papers in PubMed, 16 citations in OpenAlex.
- snR30/U17 Small Nucleolar Ribonucleoprotein: A Critical Player during Ribosome Biogenesis.Cells · 2020Review
- The complete mitochondrial genome of the enigmatic bigheaded turtle (Platysternon): description of unusual genomic features and the reconciliation of phylogenetic hypotheses based on mitochondrial and nuclear DNA.BMC evolutionary biology · 2006Article
- The many facets of H/ACA ribonucleoproteins.Chromosoma · 2005Review
- Evolutionary patterns of non-coding RNAs.Theory in biosciences = Theorie in den Biowissenschaften · 2005Article
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Authors and funding
6 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Vertebrate U17 RNA is an intron-encoded H/CA box containing snoRNA, which has been intensively studied in the last decade, though its precise role in ribosome biogenesis is not yet clear. A consensus secondary structure for the U17 RNA molecule has been derived from the comparative sequence and structural evolution analysis of U17 snoRNA among vertebrates. Its phylogenetic congruence above class level has been tested and preliminary data on chelonians suggest that also in this order, U17 snoRNA evolved congruently with phylogeny. We herein extend our analysis to other components of this reptile group. According to the sequence data that have also emerged from chelonians, the U17 RNA molecule can be divided into two main domains: the 5'-variable domain, which presents the sequence motifs capable of base-pairing with the 18S rRNA target and spanning STEM1, -2, and -3, and the 3'-conserved domain, consisting of STEM4. In vertebrates, the latter RNA region shows a high conservation both in secondary structure and in the presence of the three sequence motifs 5'-AUUCCUA-3', 5'-U(G/U)ACU-3', and 5'-AACCC-3'. We tested the phylogenetic congruence of U17 evolution with chelonian relationships: Our results are significantly similar to those emerging from mtDNA and morphological systematics. Some discrepancies (e.g., the position of Platysternon) need to be addressed in greater depth.
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