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. 1985 May;82(9):2799-803.
doi: 10.1073/pnas.82.9.2799.

alpha-Amanitin resistance is developmentally regulated in carrot

L Pitto  1 , F L Schiavo, M Terzi
Affiliations

alpha-Amanitin resistance is developmentally regulated in carrot

L Pitto et al. Proc Natl Acad Sci U S A. 1985 May.

Abstract

Carrot cells are capable of inactivating alpha-amanitin only in embryogenic conditions (regenerating cells and embryoids). Instead, the mutant line a3 is capable of inactivating the drug also in nonembryogenic conditions (vegetative growth). The mutation is dominant in somatic hybrids and is pleiotropic, allowing expression during vegetative growth of other embryonal functions. The inactivation of alpha-amanitin is due to the oxidative activity of tyrosinase.

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