Plants Steal Genes from Their Hosts

The Parasitic Plant Rafflesia cantleyi, with its 50cm diameter flowers, has 'stolen' genes from its host Tetrastigma rafflesiae. Analysis of these genes shows that their functions range from respiration to metabolism, and that some of them have even replaced the parasites own gene activity
           
http://www.biomedcentral.com/1471-2164/13/227/abstract