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000001238 084__ $$2WoS$$aPlant Sciences
000001238 1001_ $$0P:(DE-Juel1)129358$$aMatsubara, S.$$b0$$uFZJ
000001238 245__ $$aSun-shade patterns of leaf carotenoid composition in 86 species of neotropical forest plants
000001238 260__ $$aCollingwood, Victoria$$bCSIRO Publ.$$c2009
000001238 300__ $$a20 - 36
000001238 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article
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000001238 440_0 $$09141$$aFunctional Plant Biology$$v36$$x1445-4408$$y1
000001238 500__ $$aWe thank Barbara Krause, Maria Graf and Claudia Walraf for competent assistance. This study was supported by the Andrew W. Mellon Foundation, the Smithsonian Tropical Research Institute and Deutsche Forschungsgemeinschaft (DFG).
000001238 520__ $$aA survey of photosynthetic pigments, including 86 species from 64 families, was conducted for leaves of neotropical vascular plants to study sun-shade patterns in carotenoid biosynthesis and occurrence of alpha-carotene (alpha-Car) and lutein epoxide (Lx). Under low light, leaves invested less in structural components and more in light harvesting, as manifested by low leaf dry mass per area (LMA) and enhanced mass-based accumulation of chlorophyll (Chl) and carotenoids, especially lutein and neoxanthin. Under high irradiance, LMA was greater and beta-carotene (beta-Car) and violaxanthin-cycle pool increased on a leaf area or Chl basis. The majority of plants contained alpha-Car in leaves, but the alpha- to beta-Car ratio was always low in the sun, suggesting preference for beta-Car in strong light. Shade and sun leaves had similar beta,epsilon-carotenoid contents per unit Chl, whereas sun leaves had more beta,beta-carotenoids than shade leaves. Accumulation of Lx in leaves was found to be widely distributed among taxa: >5 mmol mol Chl(-1) in 20% of all species examined and >10 mmol mol Chl(-1) in 10% of woody species. In Virola elongata (Benth.) Warb, having substantial Lx in both leaf types, the Lx cycle was operating on a daily basis although Lx restoration in the dark was delayed compared with violaxanthin restoration.
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000001238 65320 $$2Author$$acarotene
000001238 65320 $$2Author$$acarotenoid biosynthesis
000001238 65320 $$2Author$$achlorophyll
000001238 65320 $$2Author$$aleaf dry mass
000001238 65320 $$2Author$$aVirola
000001238 65320 $$2Author$$axanthophyll cycle
000001238 7001_ $$0P:(DE-HGF)0$$aKrause, G.H.$$b1
000001238 7001_ $$0P:(DE-HGF)0$$aAranda, J.$$b2
000001238 7001_ $$0P:(DE-HGF)0$$aVirgo, A.$$b3
000001238 7001_ $$0P:(DE-Juel1)VDB86656$$aBeisel, K.G.$$b4$$uFZJ
000001238 7001_ $$0P:(DE-HGF)0$$aJahns, P.$$b5
000001238 7001_ $$0P:(DE-Juel1)VDB68551$$aWinter, K.$$b6$$uFZJ
000001238 773__ $$0PERI:(DE-600)1496158-1$$a10.1071/FP08214$$gVol. 36, p. 20 - 36$$p20 - 36$$q36<20 - 36$$tFunctional plant biology$$v36$$x1445-4408$$y2009
000001238 8567_ $$uhttp://dx.doi.org/10.1071/FP08214
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