Where the minor things are: a pan-eukaryotic survey suggests neutral processes may explain much of minor intron evolution

GE Larue, SW Roy - Nucleic Acids Research, 2023 - academic.oup.com
Spliceosomal introns are gene segments removed from RNA transcripts by
ribonucleoprotein machineries called spliceosomes. In some eukaryotes a second …

The evolution of spliceosomal introns

M Lynch, AO Richardson - Current opinion in genetics & development, 2002 - Elsevier
Although the widespread proliferation of introns in eukaryotic protein-coding genes remains
one of the most poorly understood aspects of genomic architecture, major advances have …

Evolutionary convergence on highly-conserved 3′ intron structures in intron-poor eukaryotes and insights into the ancestral eukaryotic genome

M Irimia, SW Roy - PLoS genetics, 2008 - journals.plos.org
The presence of spliceosomal introns in eukaryotes raises a range of questions about
genomic evolution. Along with the fundamental mysteries of introns' initial proliferation and …

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 spread of the first introns in proto-eukaryotic paralogs

J Vosseberg, M Schinkel, S Gremmen… - Communications biology, 2022 - nature.com
Spliceosomal introns are a unique feature of eukaryotic genes. Previous studies have
established that many introns were present in the protein-coding genes of the last eukaryotic …

Worm genomes hold the smoking guns of intron gain

JM Logsdon Jr - Proceedings of the National Academy of …, 2004 - National Acad Sciences
Spliceosomal introns are prevalent in our genomes and also in our minds as unsolved
evolutionary mysteries. Are introns primordial features of eukaryotic genes? Or have they …

Alternative splicing: a missing piece in the puzzle of intron gain

R Tarrío, FJ Ayala… - Proceedings of the …, 2008 - National Acad Sciences
Spliceosomal introns, a hallmark of eukaryotic gene organization, were an unexpected
discovery. After three decades, crucial issues such as when and how introns first appeared …

Spliceosomal introns as tools for genomic and evolutionary analysis

M Irimia, SW Roy - Nucleic acids research, 2008 - academic.oup.com
Over the past 5 years, the availability of dozens of whole genomic sequences from a wide
variety of eukaryotic lineages has revealed a very large amount of information about the …

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 …

The evolutionary gain of spliceosomal introns: sequence and phase preferences

WG Qiu, N Schisler, A Stoltzfus - Molecular Biology and …, 2004 - academic.oup.com
Theories regarding the evolution of spliceosomal introns differ in the extent to which the
distribution of introns reflects either a formative role in the evolution of protein-coding genes …