Sneaky salmonella finds a backdoor into plants

Researchers have discovered that bacteria such as salmonella, E.coli and listeria have a backdoor to take advantage of humans’ reliance on leafy greens for a healthy diet. They found that wild strains of salmonella are delivering foodborne illnesses by circumventing a plant’s immune defense system, getting into the leaves of lettuce by opening up the plant’s tiny breathing pores.