Engineering Plants for Biofuels (1 of 2) (IMAGE) BMC (BioMed Central) Caption This is an image of [wt_xylem deficient (Irx7)_restored function (pVND7::IRX7)]. Credit Pia Petersen 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.