<i>Lactobacillus johnsonii</i> (IMAGE) Norwich BioScience Institutes Caption This is a SEM image of Lactobacillus johnsonii (smooth mutant). Credit Kathryn Cross, IFR 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.