date:Feb 14, 2014
e species to another through changes at the molecular level. Researchers examined the biochemical differences between Phytophthora infestans and sister species Phytophthora mirabilis, a pathogen that split from P. infestans around 1300 years ago to target the Mirabilis jalapa plant, commonly known as the four o'clock flower. They found that each pathogen species secretes specialized substances to shut down the defences of their target hosts.
'Plants have these enzymes called proteases that play