Roles of Srs2/PARI-family DNA helicases in NoCut checkpoint signaling and abscission regulation. New study from Monica Dam, David F. Moreno, Nicola Brownlow, Manuel Mendoza (@longchrom.bsky.social) and colleagues @igbmc.bsky.social: rupress.org/jcb/article/...

#Genetics #CellDivision #Cytokinesis

Peiyao Fan, Yang Chen et al. @pku1898.bsky.social show that tubular ER extends into retraction fibers and #migrasomes through #microtubule-dependent ER extension and ER-plasma membrane contact sites in migrating cells. rupress.org/jcb/article/...

#ER_literature #Migration #Organelles

In new study from Ryken, Bezanilla et al., analysis of PIIB-type calcium pump localization and function elucidates one of the molecular mechanisms that maintains the strength of the calcium gradient during polarized growth. rupress.org/jcb/article/...

#PlantBiology #Cytoskeleton #Trafficking

Glushkova, Böhm, & Beck @maxplanck.de develop a publicly available computational method to measure the thickness of biological membranes in cryo-electron tomograms. Analysis of algae & human cells reveals systematic membrane thickness variations within & across organelles rupress.org/jcb/article/...