Article
Physcomitrella patens mutants affected on heat dissipation clarify the evolution of photoprotection mechanisms upon land colonization.
Proceedings of the National Academy of Sciences of the United States of America - 15 Jun 2010
Alboresi Alessandro, Gerotto Caterina, Giacometti Giorgio M, Bassi Roberto, Morosinotto Tomas
Abstract excerpt
Light is the source of energy for photosynthetic organisms; when in excess, however, it also drives the formation of reactive oxygen species and, consequently, photoinhibition. Plants and algae have evolved mechanisms to regulate light harvesting efficiency in response to variable light intensity so as to avoid oxidative damage. Nonphotochemical quenching (NPQ) consists of the rapid dissipation of excess...
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