Origin and evolution of spliceosomal introns

IB Rogozin, L Carmel, M Csuros, EV Koonin - Biology direct, 2012 - Springer
Evolution of exon-intron structure of eukaryotic genes has been a matter of long-standing,
intensive debate. The introns-early concept, later rebranded 'introns first'held that protein …

The evolution of spliceosomal introns: patterns, puzzles and progress

S William Roy, W Gilbert - Nature Reviews Genetics, 2006 - nature.com
The origins and importance of spliceosomal introns comprise one of the longest-abiding
mysteries of molecular evolution. Considerable debate remains over several aspects of the …

How did alternative splicing evolve?

G Ast - Nature Reviews Genetics, 2004 - nature.com
Alternative splicing creates transcriptome diversification, possibly leading to speciation. A
large fraction of the protein-coding genes of multicellular organisms are alternatively spliced …

The origins of eukaryotic gene structure

M Lynch - Molecular biology and evolution, 2006 - academic.oup.com
Most of the phenotypic diversity that we perceive in the natural world is directly attributable to
the peculiar structure of the eukaryotic gene, which harbors numerous embellishments …

The origin of introns and their role in eukaryogenesis: a compromise solution to the introns-early versus introns-late debate?

EV Koonin - Biology direct, 2006 - Springer
Background Ever since the discovery of'genes in pieces' and mRNA splicing in eukaryotes,
origin and evolution of spliceosomal introns have been considered within the conceptual …

Origin of spliceosomal introns and alternative splicing

M Irimia, SW Roy - Cold Spring Harbor perspectives in …, 2014 - cshperspectives.cshlp.org
In this work we review the current knowledge on the prehistory, origins, and evolution of
spliceosomal introns. First, we briefly outline the major features of the different types of …

Analysis of evolution of exon-intron structure of eukaryotic genes

IB Rogozin, AV Sverdlov, VN Babenko… - Briefings in …, 2005 - academic.oup.com
The availability of multiple, complete eukaryotic genome sequences allows one to address
many fundamental evolutionary questions on genome scale. One such important, long …

The exchangeability of amino acids in proteins

LY Yampolsky, A Stoltzfus - Genetics, 2005 - academic.oup.com
The comparative analysis of protein sequences depends crucially on measures of amino
acid similarity or distance. Many such measures exist, yet it is not known how well these …

Patterns of Intron Loss and Gain in Plants: Intron Loss–Dominated Evolution and Genome-Wide Comparison of O. sativa and A. thaliana

SW Roy, D Penny - Molecular biology and evolution, 2007 - academic.oup.com
Numerous previous studies have elucidated 2 surprising patterns of spliceosomal intron
evolution in diverse eukaryotes over the past roughly 100 Myr. First, rates of recent intron …

Rates of intron loss and gain: implications for early eukaryotic evolution

SW Roy, W Gilbert - Proceedings of the National Academy of Sciences, 2005 - pnas.org
We study the intron–exon structures of 684 groups of orthologs from seven diverse
eukaryotic genomes and provide maximum likelihood estimates for rates and numbers of …