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Articles and research papers on cell division, cell structure, animal and plant cell biology and cell cycles.

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Polarized branched Actin modulates cortical mechanics to produce unequal-size daughters during asymmetric division

Nature Cell Biology, Published online: 06 February 2023; doi:10.1038/s41556-022-01058-9Daeden et al. report that branched Actin modulates size asymmetry in Drosophila sensory organ precursor cell division.

Actin cytoskeleton vulnerability to disulfide stress mediates disulfidptosis

Nature Cell Biology, Published online: 06 February 2023; doi:10.1038/s41556-023-01091-2Liu, Nie et al. identify disulfidptosis as a form of cell death resulting from aberrant accumulation of disulfide bonds in actin cytoskeleton proteins that is induced following glucose starvation and dependent on SLC7A11-mediated cystine uptake.

Nuclear condensates in YAP1-driven ependymoma

Nature Cell Biology, Published online: 02 February 2023; doi:10.1038/s41556-022-01081-wAn ependymoma subtype is driven by fusion proteins related to the transcriptional regulator YAP1. Research now shows that localization of these fusion proteins within nuclear condensates is necessary and sufficient for tumour formation through the activation of various...

Biologically informed deep learning to query gene programs in single-cell atlases

Nature Cell Biology, Published online: 02 February 2023; doi:10.1038/s41556-022-01072-xLotfollahi et al. present ExpiMap, a deep-learning model enabling interpretable reference mapping of RNA sequencing data using biologically defined entities, offering end-to-end analysis from dataset integration to functional interpretation.

Actin-driven chromosome clustering facilitates fast and complete chromosome capture in mammalian oocytes

Nature Cell Biology, Published online: 02 February 2023; doi:10.1038/s41556-022-01082-9Harasimov et al. show that, in human and porcine oocytes, actin cables and microtubule loops move chromosomes into a cluster before spindle assembly to ensure fast and complete chromosome capture in meiosis.

Nuclear condensates of YAP fusion proteins alter transcription to drive ependymoma tumourigenesis

Nature Cell Biology, Published online: 02 February 2023; doi:10.1038/s41556-022-01069-6Hu et al. report that patient-derived YAP fusion proteins undergo liquid–liquid phase separation in the nucleus to drive ependymoma tumourigenesis, altering transcription through transcription factor recruitment and alteration of genomic methylation.

Now is the greatest time to be in it

Nature Cell Biology, Published online: 01 February 2023; doi:10.1038/s41556-023-01086-zDaylon James in an associate professor at Weill Cornell Medicine in New York, where his work focuses on reproductive biology and cell-based approaches for treating infertility. Arun Sharma is an assistant professor at the Cedars-Sinai Medical Center Regenerative Medicine...

Endothelin signalling drives dermal sheath smooth muscle contraction for hair follicle regression

Nature Cell Biology, Published online: 30 January 2023; doi:10.1038/s41556-022-01077-6Contraction of the hair follicle-lining dermal sheath smooth muscle generates the forces necessary for the tissue remodelling that takes place during the regression phase of the hair growth cycle. This study reveals that endothelin signalling — from epithelial progenitors...

Dissection of gastric homeostasis in vivo facilitates permanent capture of isthmus-like stem cells in vitro

Nature Cell Biology, Published online: 30 January 2023; doi:10.1038/s41556-022-01079-4Huebner et al. develop a 2D culture system to study gastric isthmus stem cells and identify a role for Sox2 in specifying enterochromaffin cells in the stomach.

Progenitor-derived endothelin controls dermal sheath contraction for hair follicle regression

Nature Cell Biology, Published online: 30 January 2023; doi:10.1038/s41556-022-01065-wMartino, Sunkara et al. report that endothelin produced by hair follicle progenitors binds to endothelin receptors on dermal sheath cells to trigger their contraction and hair follicle regression.

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