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.
Ron Reagan, Nancyâs Son: 5 Fast Facts You Need to Know. Ron Reagan Jr., son of former President Ronald Reagan, touches the casket of his father during his speech on June 11, 2004 in Simi Valley, California. Ronald Prescott Reagan (Ron Reagan Jr.), born in 1958, is Nancy and Ronald Reaganâs son.