[1] Univ Wageningen & Res Ctr, Biochem Lab, NL-6703 HA Wageningen, Netherlands
[2] Ctr BioSyst Genom, NL-6700 AB Wageningen, Netherlands
[3] Plant Res Int, NL-6700 AA Wageningen, Netherlands
[4] Univ Wageningen & Res Ctr, Lab Plant Physiol, NL-6703 BD Wageningen, Netherlands