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US: Researchers uncover how Salmonella infects plants before harvest

Food Safety News: Scientists in India have discovered how Salmonella enters plants to cause pre-harvest contamination of produce. Researchers found Salmonella enters through a gap created when a lateral root branches out from the plant’s main root and that it can penetrate the deeper layer of the root. This is different to other disease-causing bacteria that enter the root, fruit or leaf by producing enzymes to break down the plant’s cell wall.