Evolutionary cell biology, chromosomes, yeasts, and occasional SciArtš§¬š§ŖšØ. Postdoctoral fellow at the labs of Gautam Dey (EMBL) and Gavin Sherlock (Stanford University).
Jana Helsen
Loading...
Really nice to see @marstonlab.bsky.social's News & Views piece cover the evolution of budding yeast centromeres in @nature.com. Check it out for a clear and concise breakdown of @maxhaase.bsky.socialās new paper and ours! š§¬
š¬š¦Our Imaging spotlight from @hiralshah.bsky.social & team highlights their U-ExM atlas of planktonic eukaryotes, including details on how you can explore this wonderful resource. Plus, check out Hiralās top tips on getting started with expansion microscopy.
focalplane.biologists.com/2026/01/20/i...
š¢ Three new #bioRxiv preprints from our team on holocentric chromosomes.
Together, they connect centromere repeat evolution, karyotype dynamics, and meiotic recombination outcomes, revealing how holocentric genomes evolve and function. š§¬š
Nature research paper: Progressive coevolution of the yeast centromere and kinetochore
go.nature.com/4rtOuhu
Final version @nature.com of our paper describing unconventional multicellular development in a choanoflagellate inhabiting an extreme environment. A ton of new data since the first @biorxivpreprint.bsky.social preprint (which we've kept updating).
A brief š§µ (carried over from the old place)
Our paper is now out in Nature:
āAncient co-option of LTR retrotransposons as yeast centromeresā
www.nature.com/articles/s41...
A short thread on how retrotransposons helped give rise to yeast point centromeres.
1/14
I am happy to share that my postdoctoral work in the @gerlichlab.bsky.social at @imbavienna.bsky.social is finally out š!
Our study reveals how cohesin guides focused and accurate homology search.
Read more š www.science.org/doi/10.1126/...
Follow along for key insights and updates! š§µ
Multinucleate cells challenge deeply-held assumptions about complexity, ecological success and evolution. Postdoc extraordinaire and gifted writer @mrosjac.bsky.social tackles this subject with aplomb - tell us what you think!
www.sciencedirect.com/science/arti...
@currentbiology.bsky.social
Imaging spotlight: U-ExM atlas of microbial eukaryotes - News
Thousands of centromeres were identified and tracked across two major fungal clades, showing that new centromeres spread progressively and that the kinetochore acts as a filter to determine which new centromere variants are tolerated.
I had fun writing this N&Vs on two fascinating new papers on centromere evolution in yeast. If youāre interested in how centromeres adapt yet stay functional, hereās my take. rdcu.be/e6DD0 @nature.com @gautamdey.bsky.social @gsherloc.bsky.social @helsenjana.bsky.social @maxhaase.bsky.social
Evolutionarily related āproto-pointā centromeres providing resolution to the evolutionary origins of point centromeres are identified in yeast, and comparison shows they evolved in an ancestor with re...
Accurate repair of DNA double-strand breaks (DSBs) is essential for genome stability, and defective repair underlies diseases such as cancer. Homologous recombination uses an intact homologous sequenc...
Multinucleate cells ā single cells containing multiple nuclei in a shared cytoplasm ā are found across the eukaryotic tree of life. Having evolved indā¦
I had fun writing this N&Vs on two fascinating new papers on centromere evolution in yeast. If youāre interested in how centromeres adapt yet stay functional, hereās my take. rdcu.be/e6DD0 @nature.com @gautamdey.bsky.social @gsherloc.bsky.social @helsenjana.bsky.social @maxhaase.bsky.social
In a dividing cell, chromosome pairs are pulled apart thanks to attachment sites called centromeres. Yeast genomes reveal key steps in how centromeres have evolved. In a dividing cell, chromosome pairs are pulled apart thanks to attachment sites called centromeres. Yeast genomes reveal key steps in how centromeres have evolved.
In a dividing cell, chromosome pairs are pulled apart thanks to attachment sites called centromeres. Yeast genomes reveal key steps in how centromeres have evolved. In a dividing cell, chromosome pairs are pulled apart thanks to attachment sites called centromeres. Yeast genomes reveal key steps in how centromeres have evolved.
A study in Nature shows that the single-celled form of a tiny, aquatic organism can turn into a multicellular version by three different routes. The discovery adds insight to the possible origins of multicellular life, suggesting a previously unrecognized degree of flexibility. š§Ŗ
Adele Marston
Adele Marston
The choanoflagellate Choanoeca flexa forms motile and contractile cell monolayers purely clonally, purely aggregatively or through a combination of both processesĀ depending on environmental conditions.
