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After simulated herbivory, inflicted by a treatment involving wounding and the application of Manduca sexta oral secretions (OS) to mechanical wounds (OS-elicitation), transcripts of the systemin-precursor, prosystemin, are down-regulated in black nightshade (Solanum nigrum). Since S. nigrum silenced in prosystemin expression (IRSys) has unaltered herbivore resistance but produced more above-ground...
The singer-song-writer Paul Simon sang about the '50 ways to leave your lover'; plants have at least as many ways of coping with their insect herbivores. Recent research has elucidated the mechanisms of direct and indirect plant defenses, and has provided the first proof of a protective function for indirect defenses in nature. Insect attack elicits a large transcriptional reorganization that differs...
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