Article
Population-level variation of the preproricin gene contradicts expectation of neutral equilibrium for generalist plant defense toxins.
Toxicon : official journal of the International Society on Toxinology - 1 Jul 2010
Weeks Andrea, Leshin Jonathan A, Dretchen Kenneth L, Skowronski Evan W, O'Connell Kevin P
Abstract excerpt
The preproricin gene encodes ricin, the highly toxic, type II ribosome-inactivating protein of castor bean (Ricinus communis L.). As a generalist plant defense gene, preproricin is expected to exhibit population-level variation consistent with the neutral equilibrium model and to comprise few functionally different alleles. We first test the hypothesis that the preproricin gene family should comprise six to eight...
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