Origins and evolution of CRISPR-Cas systems

EV Koonin, KS Makarova - Philosophical Transactions of …, 2019‏ - royalsocietypublishing.org
CRISPR-Cas, the bacterial and archaeal adaptive immunity systems, encompass a complex
machinery that integrates fragments of foreign nucleic acids, mostly from mobile genetic …

Functional long non-coding RNAs evolve from junk transcripts

AF Palazzo, EV Koonin - Cell, 2020‏ - cell.com
Transcriptome studies reveal pervasive transcription of complex genomes, such as those of
mammals. Despite popular arguments for functionality of most, if not all, of these transcripts …

Pentatricopeptide repeat proteins in plants

A Barkan, I Small - Annual review of plant biology, 2014‏ - annualreviews.org
Pentatricopeptide repeat (PPR) proteins constitute one of the largest protein families in land
plants, with more than 400 members in most species. Over the past decade, much has been …

Plant organellar RNA maturation

I Small, J Melonek, AV Bohne, J Nickelsen… - The Plant …, 2023‏ - academic.oup.com
Plant organellar RNA metabolism is run by a multitude of nucleus-encoded RNA-binding
proteins (RBPs) that control RNA stability, processing, and degradation. In chloroplasts and …

Mitochondrial and plastid genome architecture: reoccurring themes, but significant differences at the extremes

DR Smith, PJ Keeling - Proceedings of the National Academy of Sciences, 2015‏ - pnas.org
Mitochondrial and plastid genomes show a wide array of architectures, varying immensely in
size, structure, and content. Some organelle DNAs have even developed elaborate …

Origin of complexity in haemoglobin evolution

AS Pillai, SA Chandler, Y Liu, AV Signore… - Nature, 2020‏ - nature.com
Most proteins associate into multimeric complexes with specific architectures,, which often
have functional properties such as cooperative ligand binding or allosteric regulation. No …

Structure of the yeast mitochondrial large ribosomal subunit

A Amunts, A Brown, X Bai, JL Llácer, T Hussain… - Science, 2014‏ - science.org
Mitochondria have specialized ribosomes that have diverged from their bacterial and
cytoplasmic counterparts. We have solved the structure of the yeast mitoribosomal large …

The on‐again, off‐again relationship between mitochondrial genomes and species boundaries

DB Sloan, JC Havird, J Sharbrough - Molecular ecology, 2017‏ - Wiley Online Library
The study of reproductive isolation and species barriers frequently focuses on mitochondrial
genomes and has produced two alternative and almost diametrically opposed narratives. On …

Is junk DNA bunk? A critique of ENCODE

WF Doolittle - Proceedings of the National Academy of Sciences, 2013‏ - pnas.org
Do data from the Encyclopedia Of DNA Elements (ENCODE) project render the notion of
junk DNA obsolete? Here, I review older arguments for junk grounded in the C-value …

It's the song, not the singer: an exploration of holobiosis and evolutionary theory

WF Doolittle, A Booth - Biology & Philosophy, 2017‏ - Springer
That holobionts (microbial communities and their animal or plant hosts) are units of selection
squares poorly with the observation that microbes are often recruited (horizontally acquired) …