First and second line mechanisms of cadmium detoxification in the lichen photobiont Trebouxia impressa (Chlorophyta).

Abstract

"First line" defence mechanisms, such as phytochelatin biosynthesis, and "second line" mechanisms, such as stress protein induction, were investigated in cadmium-exposed cells of Trebouxia impressa Ahmadjian, a green microalgal species that is a common photobiont of the lichen Physcia adscendens (Fr.) H. Olivier. When T. impressa cells were exposed to 0, 9… (More)

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