Contents

14 April 2015
Vol 8, Issue 372

About The Cover

Cover image expansion

Online Cover This week features a Research Article that shows that inadequate leucine uptake by maturing red blood cells limits the production of hemoglobin. The image shows the distribution of Lat3 mRNA (pseudo-colored red), which encodes a leucine transporter that is particularly abundant in the liver, the site of erythropoiesis in the mouse embryo. [Image: Paul D. Kingsley and James Palis/University of Rochester Medical Center, Rochester, NY]