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Scientists catch a “jumping gene” mid-leap between species

Scientists have uncovered a surprising way that “jumping genes” may move between species and speed up evolution. While these mobile genetic elements were thought to travel mainly inside viruses or plasmids, researchers found circular intron RNA from a tiny predatory bacterium inside the dead cells of another microorganism. Because the RNA forms a stable ring that resists breakdown, it may provide jumping genes with a previously unknown route for spreading between species.

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