Plant pathogens usually infect only plants, but scientists say rare crossovers into humans can happen. Researchers recently reported a case where a plant fungus caused infection in a human, raising new questions about how some microbes adapt.
Most plant bacteria, fungi, and viruses struggle to survive inside the human body because our cells and body temperature create strong biological barriers. However, certain pathogens like silver leaf disease fungi and resistant bacteria have occasionally infected people with weakened immune systems.
Experts warn that climate change and rising temperatures may help some plant pathogens adapt over time, making continued research and monitoring increasingly important.
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