Phillip I. Tarr and Barbara B. Warner, Washington University School of Medicine (image) Washington University School of Medicine Share Print E-Mail Caption Phillip I. Tarr, M.D., and Barbara B. Warner, M.D., view an agar dish containing organisms sequenced in their study of gut bacteria in preterm babies. The researchers found that premature babies' guts harbor infectious microbes that can cause life-threatening late-onset sepsis. Credit E. Holland Durando Usage Restrictions Credit Washington University. Share Print E-Mail 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.