Enemy at the Stomatal Gate: How Bacteria Trick Plants Into Letting Them Pass

Andy Fell — February 17, 2026 - 4:45pm

Plants have resources, and bacteria want them. Plants have gates on their leaves to keep the thieves out. But a nasty bug called Salmonella has figured out how to trick plants into opening up their safety gates so it can sneak in and live happily inside.

When people eat those contaminated leaves, they can get sick, sometimes severely. Because the bacteria are actually inside the leaves, they cannot be removed by washing.

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Enemy at the Stomatal Gate: How Bacteria Trick Plants Into Letting Them Pass