414 papers
Cell biology is the study of life at its most fundamental unit: the cell. This field explores how these microscopic building blocks function, communicate, and replicate to sustain living organisms, from the simplest bacteria to complex human tissues. By understanding the machinery inside a cell, scientists unlock secrets about growth, disease, and the very nature of existence itself.
At Gist.Science, we track every new preprint uploaded to bioRxiv within this dynamic category. Our team processes each submission to provide both accessible plain-language explanations and detailed technical summaries, ensuring you can grasp complex discoveries without getting lost in dense jargon. Below are the latest papers in cell biology, offering a fresh look at the inner workings of life as they are shared with the world.
This study identifies nuclear export as a critical regulator of TDP-43 phase transitions, demonstrating that inhibiting nuclear export promotes a protective liquid-liquid phase separation state within the nucleus, thereby preventing pathogenic cytoplasmic aggregation associated with ALS.
This study reveals that under thermal or metabolic stress, endoplasmic reticulum membranes undergo a large-scale phase transition into rigid, multilamellar "rods" driven by saturated lipid demixing and the exclusion of tubulating proteins, thereby serving as a homeoviscous mechanism to preserve organelle function.
This study demonstrates that mammalian epidermal stem cells maintain their proliferative capacity and skin barrier function across both neonatal and adult stages despite significant fibroblast depletion, revealing a robust compensatory mechanism that ensures tissue resilience even when basement membrane mechanics are altered.
This study reveals that cellular adaptability is an evolved physiological architecture shaped by selection history, demonstrating that long-term osmotic stress in yeast reorders a pre-existing hierarchical stress response mechanism, ultimately enhancing tolerance to specific conditions while compromising the cell's ability to integrate diverse environmental cues.
This study demonstrates that the {gamma}-Tubulin Ring Complex ({gamma}-TuRC) is essential for both initiating mitotic spindle assembly and maintaining spindle integrity by acting as a stabilizing minus-end cap, as its rapid depletion causes spindle collapse that can be rescued by inhibiting the depolymerizing kinesin KIF2A.
The human microprotein ZNF706 acts as an RNA chaperone that melts pathological G-quadruplex structures formed by C9orf72 hexanucleotide repeats, thereby converting rigid RNA aggregates into dynamic condensates and regulating their clearance to mitigate neurodegenerative disease mechanisms.
Using microneedle manipulation, this study reveals that mammalian anaphase midzone bundles are mechanically coupled both locally and globally via a PRC1-dependent mechanism, allowing the spindle to function as a single mechanical unit that resists force over short timescales while remodeling over longer periods to ensure robust chromosome segregation.
This paper proposes a physical theory of epigenetic memory based on a spreading-writing-erasing model that explains how chromatin compartmentalization balances stability and plasticity, while predicting that noise in histone segregation and rapid proliferation enhance reprogramming efficiency and that chromatin reorganization drives cellular senescence.
This study demonstrates that nanovibrational stimulation rapidly induces actin-myosin mediated stiffening and solid-like behavior in NIH 3T3 fibroblasts, though prolonged exposure may eventually reverse these effects, highlighting the importance of temporal optimization for enhancing mechanotransduction.
This study introduces spatial Organellomics (sOrganellomics), an imaging workflow that leverages multi-organelle features to map functional cell state diversity and metabolic adaptation in tissues, revealing novel hepatocyte organization patterns and linking architectural remodeling to bioenergetic heterogeneity in vivo.