Tessera
Folgen

Polina Novikova

@pnovik.bsky.social

Biologist, adventurer novikovalab.org novikovalab.be arabidopsislyrata.org

6 Posts107 Follower112 Folgt
Jae Young Choi@jychoi.bsky.social · 2w ago

New preprint with grad student @linhngk.bsky.social. Big mystery in plants is why do their telomere length vary? We answered by analyzing 10Tb or 1.4 billion reads from 257 species of algae to land plants. We propose ecological adaptation shapes telomere length in plants. shorturl.at/0ox4x

Biogeographic cline is associated with the global plant telomere length variation

Telomeres have the crucial role of protecting chromosome ends and its length varies significantly between organisms. What evolutionary factor shapes this natural variation has been a long standing que...

biorxiv.org

Polina Novikova@pnovik.bsky.social · 3w ago

I am happy to present our work @liverworks.bsky.social @robinburns.bsky.social @alisondawnscott.bsky.social on centromeric repeat turnovers, of which we counted three in the Arabidopsis genus:

The Nature of Centromeric Repeat Turnovers in the genus Arabidopsis

Centromeres are critical for accurate segregation of chromosomes and are often composed of megabases of tandemly arranged satellite repeats. Yet, despite their conserved function, the DNA sequence of ...

biorxiv.org

Robin Burns@robinburns.bsky.social · 2mo ago

Delighted to share our paper on neo-chromosomes! We induced centromere fission using CRISPR in Arabidopsis and increased the chromosome count from n=5 to n=6. The broken chromosomes ends quickly “healed” by adding telomeres de novo and the new karyotype is stable through mitosis and meiosis! 1/3

Ian Henderson@hendersi.bsky.social · 2mo ago

CRISPR-mediated centromere fission generates neochromosomes with distorted meiotic inheritance in Arabidopsis biorxiv.org/content/10.6... new preprint from us - includes changing the Arabidopsis karyotype from 5 -> 6 chromosomes using Cas9 & outcomes of 5/6 chromosome hybrid meiosis

Robin Burns@robinburns.bsky.social · 6mo ago

A short review from us on the easiest way to make an allopolyploid. It was a lot of fun writing with these two. We hope you will enjoy the Pac-Man inspired allopolyploidy maze!

New Phytologist@newphyt.bsky.social · 6mo ago

Somatic genome-doubling is the most parsimonious route to allopolyploidy #TansleyInsight by Burns et al. @robinburns.bsky.social @alisondawnscott.bsky.social @pnovik.bsky.social nph.onlinelibrary.wiley.com/doi/10.1111/... #plantscience

Alternative routes to allopolyploid origin.