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Sep 29, 2014

Cdc42 prompts a change of heart

The Drosophila heart is a simple tubular structure with a central lumen. Vogler et al. reveal that the small GTPase Cdc42 and actin-nucleating formin proteins promote lumen formation by regulating the dynamics of non-muscle myosin in cardioblasts during heart morphogenesis. This biosights...

Sep 1, 2014

Deploying exosomes in a battle of the sexes

The paired accessory glands of male Drosophila secrete multiple signaling factors into the seminal fluid that promote reproductive success by altering the recipient female's physiology and behavior. This biosights episode presents the paper by Corrigan et al. from the...