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Updated: Aug 13, 2026

Using Ex Vivo Upright Droplet Cultures of Whole Fetal Organs to Study Developmental Processes during Mouse Organogenesis
Published on: October 21, 2015
[Problems of evolution of extraembryonic organs]
The placenta facilitates co-adaptation between mother and fetus through a trial-and-error process, involving molecular mechanisms like alternative splicing and clonal selection for evolutionary adjustments.
Area of Science:
- Developmental Biology
- Evolutionary Biology
- Reproductive Biology
Context:
- Extraembryonic organs form early in development and are crucial for fetal growth.
- Environmental changes necessitate adaptive mechanisms for the mother-fetus system.
- The placenta acts as a central hub for homeostatic regulation.
Purpose:
- To analyze the phylogenetic history and integration of extraembryonic organs.
- To explore evolutionary strategies within the mother-extraembryonic organs-fetus system.
- To investigate the mechanisms of co-adaptation between maternal and fetal organisms.
Summary:
- The study examines the evolutionary formation and integration of extraembryonic organs, focusing on the placenta.
- Co-adaptation mechanisms between maternal and fetal organisms occur at the placental level via trial-and-error.
- Alternative splicing and clonal selection are proposed as key molecular mechanisms driving these adaptations, evidenced by trophoblastic cell nuclear morphotype variations.
Impact:
- Provides insights into the evolutionary plasticity of the mother-fetus interface.
- Highlights the placenta's role as a mediator of evolutionary adaptation.
- Suggests alternative splicing and clonal selection as critical drivers of reproductive evolution.
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