Note to users. If you're seeing this message, it means that your browser cannot find this page's style/presentation instructions -- or possibly that you are using a browser that does not support current Web standards. Find out more about why this message is appearing, and what you can do to make your experience of our site the best it can be.

Science 11 July 1997:
Vol. 277. no. 5323, p. 182
DOI: 10.1126/science.277.5323.182
Prev | Table of Contents | Next

Research News

DEVELOPMENTAL BIOLOGY:
One Molecule Orchestrates Amoebae

Trisha Gura

Biologists have struggled for years to understand the signals that coordinate the amoebalike cells of Dictyostelium. When food is scarce, these cells band together to form a mound that crawls to better pastures, then disperse by building a stalk and a spore body. On page 251, researchers show that a single molecule—an enzyme called PKA—can single-handedly drive all steps of development.

Read the Full Text

To Advertise     Find Products

Science. ISSN 0036-8075 (print), 1095-9203 (online)