An evolutionary "trap" has haunted crested and marbled newts for 25 million years: Leiden researchers have uncovered a mysterious DNA error that should not be able to arise—yet persists all the same.
Scientists discovered a small protein region that determines whether plants reject or welcome nitrogen-fixing bacteria. By ...
Multigene families are at the core of immune system complexity, shaping how organisms sense, respond to, and remember infection. Gene duplication, ...
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