to determine ancient seed species, 3250-3450 year-old charred seeds obtained from different iranian archaeological sites were studied using scanning electron microscopy (sem) and molecular analysis. sem analysis of ancient seeds revealed that the surface of the seeds was damaged. therefore, we could not accurately identify their species. molecular analysis on ancient specimens was done on diffe...

■ Abstract The number, size, and scope of phylogenetic analyses using molecular data has increased steadily in recent years. This has simultaneously led to a dramatic improvement in our understanding of phylogenetic relationships and a better appreciation for an array of methodological problems that continue to hinder progress in phylogenetic studies of certain data sets and/or particular parts...

This issue of CABIOS contains a set of reviewed papers which relate to the recent Macromolecules, Genes and Computers International Workshop and Symposium held August 12-17, 1986 in Waterville Valley, NH. This introductory article reviews that meeting and those ideas which will provide a useful context for the continuing research and discussions on molecular genetic analyses contained within th...