Chemoattractant Signaling in Dictyostelium: Adaptation and Amplification

Overview

Journal Sci Signal

Specialties Cell Biology
Physiology
Science

Date 2012 Mar 1

PMID 22375054

Citations 10

Authors

Pablo A Iglesias

Affiliations

Soon will be listed here.

Abstract

The social amoebae Dictyostelium discoideum has long proved a powerful model organism for studying how cells sense and interpret chemoattractant gradients. Because of the rich behavior observed in its response to chemoattractants, as well as the complex nature of the signaling pathways involved, this research has attracted and benefited from the use of theoretical models. Recent quantitative experiments provide support for a popular model: the local excitation, global inhibition mechanism of gradient sensing. Here, I discuss these findings and suggest some important open problems.

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