Institution: | aDepartment of Microbiology, IWWR, Radboud University Nijmegen, Toernooiveld 1, NL-6525 ED Nijmegen, The Netherlands;bWarwick HRI, University of Warwick, Wellesbourne, Warwickshire, CV35 9EF, UK;cWageningen UR, Plant Research International B.V., P.O. Box 16, NL-6700 AA Wageningen, The Netherlands |