Mysterious protein sets up a beneficial partnership between bacteria and insects

Nature, Published online: 01 July 2026; doi:10.1038/d41586-026-02007-4 Buchnera bacteria that live in the cells of insects known as aphids secrete a protein called SyeA, which is crucial for colonization. The structural similarity of SyeA to proteins secreted by disease-causing bacteria indicates that the beneficial symbiotic relationship between Buchnera and aphids had pathogenic origins.

Source: Nature — Latest Research — read the full report at the original publisher.

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