Evolution of large subunit rRNA structure. The 3' terminal domain contains elements of secondary structure specific to major phylogenetic groups

Biochimie
J P Bachellerie, B Michot

Abstract

Refined secondary structure models supported by phylogenetic evidence have been derived for the 3' terminal domain of large subunit rRNA (the region that exists as a separate 4.5 S molecular entity in chloroplast ribosomes) through a comparative analysis of all the pro- and eukaryotic sequences at present available. While several universally conserved features of secondary structure are found, a few diversified structural elements are also detected which are specific to one of the primary kingdoms, eubacteria, archaebacteria, or eukaryotes. Remarkably, some appear to be selectively preserved during the evolution of the primary kindgom, suggesting they represent functionally important structures. Thus, although the role of this 3' terminal domain in ribosomal function still remains unknown, its mode of sequence variation clearly points to a significant diversification of its function among the primary kindgoms.

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Citations

Jan 17, 2014·Journal of Parasitic Diseases : Official Organ of the Indian Society for Parasitology·Anshu Chaudhary, Hridaya Shanker Singh
Mar 1, 1992·Molecular Phylogenetics and Evolution·M A Ragan
May 23, 2018·Molecular Biology and Evolution·Chad R BernierLoren Dean Williams
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Jul 2, 2014·Proceedings of the National Academy of Sciences of the United States of America·Anton S PetrovLoren Dean Williams
Aug 14, 2020·Genome Biology and Evolution·Petar I PenevJennifer B Glass
May 7, 2020·Chemical Reviews·Jessica C BowmanLoren Dean Williams

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