Contact Information Dr. Khalid Meksem Plants and Microbes Genomics and Genetics lab; Department of Plant Soil and Agricultural Systems, Room 176.  Southern Illinois University at Carbondale, Carbondale, IL 62901-4415. Fax: 618 453 7457; E-mail: meksemk@siu.edu; Web addresses: http://www.siu.edu/~meksem/