developmental-biology

PhD is not nothing. This open letter tells the truth about the sacrifice, endurance, failure, and resilience behind earning a PhD in cell and molecular biology—and why the journey deserves respect. The post A PhD Is Not Nothing: An Open Letter to Those Who Dismiss the Journey appeared first on THE SCIENCE NOTES .

China has launched artificial human embryos to space to study how microgravity and cosmic radiation could affect early development, a crucial step for future off-world colonies.

Nature Communications, Published online: 25 May 2026; doi:10.1038/s41467-026-73471-9 Here they show that, during lumenogenesis, noncanonical autophagy drives formation of a single central cavity by controlling membrane recycling, while canonical autophagy supports its growth, and provide insights into tissue development from neural tube organoids.

Nature Cell Biology, Published online: 25 May 2026; doi:10.1038/s41556-026-01958-0 Single-cell transplantations of long-term haematopoietic stem cells (HSCs), in-depth phenotyping and mathematical modelling identify reconstitution kinetics as a unifying metric of HSC potency and extrinsic regulation as a driver of HSC lineage bias.

Nature Cell Biology, Published online: 25 May 2026; doi:10.1038/s41556-026-01987-9 During embryogenesis, morphogen signalling is known to pattern tissues as they remodel. Using genetic and optogenetic perturbations, together with theoretical frameworks of phase transitions and biochemical networks, we uncovered an autoregulatory feedback loop between morphogen gradients and the tissue material st…

It is known that the antiepileptic drug valproate increases the risk of developmental disorders in unborn children.

Nature Communications, Published online: 22 May 2026; doi:10.1038/s41467-026-73476-4 Here authors show cortico-brainstem neurons are molecularly specified in early development to restrict axon growth to the brainstem without extending to spinal cord. This developmentally defined circuit persists into adulthood and supports skilled forelimb movement.

Nature Communications, Published online: 22 May 2026; doi:10.1038/s41467-026-73505-2 Brain regionalization is a critical process for human brain development. Here, Shimada et al. show that the primary cilium, a hair-like projection on the cell surface, helps determine regional identity in human brain organoids. Altering signaling in the cilium is sufficient to change neural progenitor cell fate.

Hair, nails, and horns, all made up of keratin, are some of the hardest and most resilient structures in animals. Inside zebrafish cells, keratin plays a distinct role, giving them the strength they need to move together as a coherent tissue while modulating the driving forces behind their movement during early development. But what happens when keratin is missing?

IntroductionIn oocyte growth and development, metabolic reprogramming serves as a core process by which cells adjust their metabolic patterns—including glucose metabolism, lipid metabolism, and amino acid metabolism—to adapt to developmental cues, differentiation, and environmental stress. This reprogramming is essential for maintaining energy homeostasis and supporting biosynthesis. A synergisti…

Eating too much junk food early in life may rewire the brain in ways that last into adulthood, even after switching to a healthier diet. Scientists found that high-fat, high-sugar diets changed feeding behavior and disrupted appetite-control regions in the brain. Excitingly, certain gut-friendly bacteria and prebiotic fibers appeared to help undo some of the damage.

Nature Communications, Published online: 21 May 2026; doi:10.1038/s41467-026-73368-7 Obesity shows sexual dimorphism. Here, the authors identify the germ cell -specific gene C2orf74 as a driver of diet induced obesity via suppression of androgen signalling and subsequently white adipocyte browning in male but not in female mice.

Scientific Reports, Published online: 21 May 2026; doi:10.1038/s41598-026-53549-6 BMA-YOLO: an object detection model for microscopic images of mouse embryos

Scientific Data, Published online: 21 May 2026; doi:10.1038/s41597-026-07449-z A single-cell RNA sequencing dataset of cardiac aging in African Turquoise Killifish

Communications Biology invites submissions to this Collection focusing on stem cell-driven regeneration and repair in development, homeostasis, and disease. Submissions are encouraged by 29 January 2027.

Katie King ’26, biology and dance, UMBC Dance Team co-captain, and Admissions Grit Guide, pursues a future that engages her passions.

In the process, Colossal may have handed a useful tool to developmental biology.