This special issue of Molecular and Cellular Biochemistry contains twenty-two selected research papers and reviews from a total of one hundred and ten presentations given at the 12th International Symposium on ADP-ribosylation Reactions: From Bacterial Pathogenesis to Cancer, held in Cancun, Mexico, May 10-14, 1997. The Symposium was hosted by the Sociedad Mexicana de Bioquimica and was sponsored by the University of North Texas Health Science Center, Fort Worth, TX, USA. This volume provides a state-of-the-art source of information for basic scientists and clinicians who are interested in the molecular, biochemical, and cellular aspects of protein-(ADP-ribose) transfer reactions in human health and disease.
