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Intra-leaf gradients of photoinhibition induced by different color lights: Implications for the dual mechanisms of photoinhibition and for the application of conventional chlorophyll fluorometers

Chow, Wah Soon; Oguchi, Riichi; Douwstra, Peter; Fujita, Takashi; Terashima, Ichiro


We studied how different color lights cause gradients of photoinhibition within a leaf, to attempt to resolve the controversy whether photon absorption by chlorophyll or Mn is the primary cause of photoinhibition, suggested by the excess-energy hypothesis or the two-step hypothesis, respectively. Lincomycin-treated leaf-discs were photoinhibited by white, blue, green or red light. Combining a micro-fiber fluorometer, a fiber-thinning technique and a micro-manipulator enabled us to...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Journal article
Source: New Phytologist 191 (2011): 146–159
DOI: 10.1111/j.1469-8137.2011.03669.x


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