188 papers
Developmental biology explores the incredible journey of how a single cell transforms into a complex, living organism. This field investigates the molecular switches and cellular conversations that guide growth, tissue formation, and the emergence of unique body structures, helping us understand both the origins of life and the roots of developmental disorders.
At Gist.Science, we ensure you never miss a breakthrough by processing every new preprint in this category from bioRxiv. Our team provides both plain-language explanations and detailed technical summaries for each paper, making cutting-edge research accessible to everyone regardless of their scientific background.
Below are the latest studies in developmental biology, offering fresh insights into how life takes shape.
Intermittent heat exposure during the second half of gestation in mice disrupts male reproductive development, evidenced by reduced anogenital distance and increased hypospadias, likely driven by altered RNA splicing and mRNA processing pathways rather than changes in androgen synthesis gene expression.
The study introduces the Lhr-COIN mouse line, which enables the conditional replacement of the luteinizing hormone receptor with eGFP to facilitate live imaging of granulosa cell migration during ovulation while preserving normal LH responsiveness.
This study demonstrates that endothelial-specific Med23 is essential for coordinating vascular patterning and intramembranous ossification by regulating the HIF1α-VEGF signaling axis, where its loss causes hypoxia-driven suppression of osteoblast differentiation that can be rescued by inhibiting HIF1 and supplementing VEGFA.
This study reveals that during *Drosophila* spermatocyte development, the nucleolus transforms into an atypical nucleolus-like body that functions as a specialized platform for RNA Polymerase II-mediated transcription of heterochromatic Y-linked fertility genes, a process dependent on spermatocyte-specific transcriptional regulators.
This study demonstrates that EYA1/EYA2 and EYA3/EYA4 function as stage-specific SIX cofactors, where EYA3 and EYA4 are dispensable for embryonic myogenic stem cell formation but essential for adult muscle regeneration, with EYA4 being critical for satellite cell maintenance and EYA3/EYA4 acting redundantly to drive myoblast fusion via the regulation of Myomixer, Follistatin, and Noggin.
This study identifies a novel SOX9-SEMA7A regulatory axis in the postpartum mammary gland where SOX9 suppresses SEMA7A to maintain luminal progenitor differentiation, and the disruption of this balance drives cell plasticity, mesenchymal transition, and increased metastatic risk in breast cancer.
The disordered protein COSA-2 ensures faithful meiotic inheritance in *C. elegans* by scaffolding privileged repair compartments that maintain pro-crossover factors at designated sites during late pachytene, thereby protecting crossover intermediates from dismantling and guaranteeing their successful maturation.
This study demonstrates that in the developing Drosophila eye, Hippo signaling is essential for maintaining cone and primary pigment cell fates by suppressing the EGFR pathway repressor Yan, thereby ensuring these cells remain responsive to inductive cues.
This study demonstrates that rapid embryonic eye regrowth in *Xenopus laevis* tadpoles is primarily driven by a residual niche of retinal progenitor cells, which serve as the main source for regenerating retinal layers while also interacting with surrounding cells to facilitate lens and optic fissure repair.
This study reveals that endogenous -catenin is most strongly stabilized at adherens junctions during the force-generating process of dorsal closure rather than in canonical Wnt patterning stripes, indicating a distinct stabilization mechanism regulated by Dishevelled and JNK that links Wnt signaling components to mechanotransduction.