1. Agricultural Genetic Engineering Research Inst., Agricultural Research CentreGizaEgypt12619
2. Dép. des Sciences BiologiquesUniv. du Québec à MontréalMontréalQC H3C 3P8Canada
3. Botany Dep., Faculty of ScienceMenoufia Univ.Shebin El KomEgypt
4. Dep. of Biology and Centre for Structural and Functional GenomicsConcordia Univ.7141 Sherbrooke St.W. MontrealQC H4B 1R6Canada
5. Dep. of Plant SciencesUniv. of SaskatchewanSaskatoonSK S7N 5A8Canada
6. National Research Council CanadaSaskatoonSK S7N 0W9Canada