Related Experiment Video
Updated: May 9, 2026
08:49
Use of Time Lapse Microscopy to Visualize Anoxia-induced Suspended Animation in C. elegans Embryos
Published on: December 3, 2012
Deep-sea ecology. Developmental arrest in vent worm embryos
F Pradillon1, B Shillito, C M Young
1Biologie Marine, Unite Mixte de Recherche, Université Pierre et Marie Curie, 7 Quai Saint-Bernard, 75252 Paris cedex 05, France.
Nature
|October 19, 2001
Summary
Marine worms Alvinella pompejana have different temperature needs for embryos than adults. Embryos may survive cold deep-sea water by pausing development until finding warmer hydrothermal vent conditions.
Area of Science:
- Marine Biology
- Deep-Sea Ecology
- Hydrothermal Vent Ecosystems
Background:
- Temperature critically influences marine organism distribution.
- Hydrothermal vents exhibit steep thermal gradients over small scales.
- The thermophilic worm Alvinella pompejana inhabits the East Pacific Rise vents.
Purpose of the Study:
- To investigate the thermal tolerance of Alvinella pompejana embryos.
- To compare embryonic temperature requirements with adult thermotolerance.
- To understand the role of temperature in Alvinella pompejana early life stages.
Main Methods:
- Experimental manipulation of water temperature for embryonic development.
- Observation of developmental stages under varying thermal conditions.
- Comparison of embryonic thermal ranges with known adult thermotolerance.
Main Results:
- Alvinella pompejana embryos require a different temperature range than adults.
- Adult Alvinella pompejana exhibit broad thermotolerance (20-80°C).
- Embryonic development is arrested in cold abyssal water.
Conclusions:
- Alvinella pompejana embryos likely disperse in a dormant state through cold waters.
- Development is completed upon encountering suitable warm hydrothermal vent conditions.
- This strategy facilitates survival and distribution in variable vent environments.
