Horizontal gene transfer also plays a role in the spread of virulence factors, such as exotoxins and exoenzymes, amongst bacteria. A prime example concerning the spread of exotoxins is the adaptive evolution of Shiga toxins in E. coli through horizontal gene transfer via transduction with Shigella species of bacteria.
The brothers grew up on a succession of Oklahoma and Kansas homesteads during... On this day in 1911, President Ronald Wilson Reagan is born in Tampico, Illinois. Ronald Reagan, the 40th president of the United States, served for two terms from 1981 to 1989.
Death and state funeral of Ronald Reagan. On June 5, 2004, Ronald Reagan, the 40th President of the United States, died after having suffered from Alzheimer's disease for nearly a decade. His seven-day state funeral followed. After Reagan's death, his body was taken from his Bel Air, Los Angeles home to the Gates, Kingsley and Gates Funeral Home in Santa Monica, California to prepare the body for burial.