Small molecule signals mediate social behaviors in C. elegans
Caroline S Muirhead1, Jagan Srinivasan1
1Department of Biology and Biotechnology, Worcester Polytechnic Institute, Worcester, MA, USA.
Journal of Neurogenetics
|September 29, 2020
Summary
Ascarosides are chemical signals in C. elegans that control development and behavior. This review explores how these signals link metabolism, neurobiology, and survival behaviors in worms.
Area of Science:
- * Molecular and Systems Biology
- * Neuroethology
- * Chemical Ecology
Background:
- * Ascarosides are small-molecule chemical signals crucial for biological processes in C. elegans.
- * These signals are modular, with components derived from metabolic pathways.
- * Ascaroside function is influenced by concentration and the animal's physiological state.
Purpose of the Study:
- * To review research on how ascarosides regulate social behaviors in C. elegans.
- * To explore the link between ascarosides, metabolic and neurobiological traits, and survival.
- * To highlight the complexity of the ascaroside communication system.
Main Methods:
- * Review of existing literature from multiple research groups.
- * Analysis of cellular and circuit-level mechanisms.
- * Integration of findings on ascaroside structure, function, and behavior.
Main Results:
- * Ascarosides mediate diverse biological processes, including development and behavior.
- * Behavioral responses are concentration-dependent and modulated by physiological state.
- * A complex communication system involves synergistic molecular elements and sex-specific neuronal circuits.
Conclusions:
- * Ascarosides represent a sophisticated communication system in C. elegans.
- * The ascaroside repertoire connects metabolic and neurobiological traits to life-history strategies.
- * Ascarosides are vital for the survival of C. elegans in its natural environment.
