Agricultural Microbiome (IMAGE) Colorado State University Caption On the leaf surface of Arabidopsis thaliana: (Left) growth-promoting bacterium Burkholderia caribensis between pavement cells. (Middle) Burkholderia caribensis on closed stoma. (Right) Pseudomonas sp. forming biofilm between pavement cells. Credit James Kremer 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.