<i>Caulobacter crescentus</i> (IMAGE) Indiana University Caption Stalks increase the rate of nutrient uptake by efficiently increasing cell surface area. The finding has potential implications for both ecology and drug production. Credit Jennifer Wagner Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.