Sven Gould
@turbokraken.bsky.social
350 followers
470 following
150 posts
ethical hedonist | arte ultra | evolutionary biologists | private citizen at bsky | will worry about humanity for as long as humanity worries about soccer | born about 100 ppms of CO2 ago
Posts
Media
Videos
Starter Packs
Reposted by Sven Gould
Reposted by Sven Gould
Reposted by Sven Gould
Reposted by Sven Gould
Reposted by Sven Gould
Shicheng Guo
@shihcheng.bsky.social
· Sep 15
Mapping the nuclear landscape with multiplexed super-resolution fluorescence microscopy | Nature Communications
The nucleus coordinates many different processes. Visualizing how these are spatially organized requires imaging protein complexes, epigenetic marks, and DNA across scales from single molecules to the whole nucleus. To accomplish this, we develop a multiplexed imaging protocol to localize 13 different nuclear targets with nanometer precision. Within single cells, we show that nuclear specification into active and repressive states exists along a spectrum of length scales, emerging below one micron and becoming strengthened at the nanoscale with unique organizational principles in both heterochromatin and euchromatin. HP1α was positively correlated with DNA at the microscale but uncorrelated at the nanoscale. RNA Polymerase II, p300, and CDK9 were positively correlated at the microscale but became partitioned below 300 nm. Perturbing histone acetylation or transcription disrupted nanoscale organization but had less effect at the microscale. We envision that our imaging and analysis pipe
doi.org
Sven Gould
@turbokraken.bsky.social
· Sep 8
Reposted by Sven Gould
Reposted by Sven Gould
Reposted by Sven Gould