Related Experiment Video
Updated: Mar 14, 2026

Surgical Size Reduction of Zebrafish for the Study of Embryonic Pattern Scaling
Published on: May 3, 2019
Hierarchical Size Scaling during Multicellular Growth and Development.
Sravanti Uppaluri1, Stephanie C Weber1, Clifford P Brangwynne1
1Department of Chemical and Biological Engineering, Princeton University, Princeton, NJ 08544, USA.
Organism growth regulation is complex. In C. elegans, nucleolus size, the ribosome biogenesis site, predicts worm growth rate, highlighting subcellular organelle importance.
Area of Science:
- Developmental biology
- Cell biology
- Organismal biology
Background:
- Multicellular organisms require precise growth regulation across all biological scales.
- Coordinating organelle, cellular, and organism-level functions during development is poorly understood.
Purpose of the Study:
- To investigate allometric scaling laws governing organelle and cellular growth in the C. elegans intestine.
- To determine the relationship between subcellular organelle size and organism-level growth rate.
Main Methods:
- Utilized the C. elegans intestine as a model system.
- Analyzed allometric scaling laws of nucleolus and nucleus volume relative to cell size during larval development.
Main Results:
- Nucleolus volume scales isometrically with cell size, directly proportional during larval development.
- Nucleus size exhibits hypoallometric growth, increasing more slowly than cell size.
- Relative nucleolus size predicts the overall growth rate of the C. elegans worm.
Conclusions:
- Subcellular organelle size, specifically the nucleolus, plays a critical role in organism-level growth regulation.
- Differential regulation of organelle growth contributes to overall developmental scaling in multicellular organisms.
More Related Videos
09:18Heteromulticellular Stromal Cells in Scaffold-free 3D Cultures of Epithelial Cancer Cells to Drive Invasion
Published on: April 4, 2025
11:41Real Time and Repeated Measurement of Skeletal Muscle Growth in Individual Live Zebrafish Subjected to Altered Electrical Activity
Published on: June 16, 2022
Related Concept Videos
Cells Coordinate Growth and Proliferation
Cells Coordinate Growth and Proliferation
Cell Size
Surface Area
Cells can take in nutrients and water via diffusion through the plasma membrane itself or through specific channels in the membrane. The area of the membrane surrounding...
Cell Diversity
Multicellular...
Zygotic Development And Stem Cell Formation
Distribution of Cytoplasmic Content
Distribution of cytoplasmic determinants
The cytoplasm contains various organelles, as well as salts, proteins, and water. The distribution of...