Article
o-Phenylenediamine-induced DNA damage and mutagenicity in tobacco seedlings is light-dependent.
Mutation research - 22 Aug 2001
Gichner T, Stavreva D A, Van Breusegem F
Abstract excerpt
Of the three isomers of the aromatic amine phenylenediamine (PDA), only o-PDA, but not m- and p-PDA, induced DNA damage (as measured by the Comet assay), and somatic mutations in the leaves of the chlorophyll-deficient tester strain Nicotiana tabacum var. xanthi. With increasing light intensity (0, 30, 80 or 140 micromol m(-2)s(-1) photosynthetic photon fluence rate) during a 72h mutagenic treatment of tobacco...
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