Search Results - "O Bjorkman"

Chlamydomonas xanthophyll cycle mutants identified by video imaging of chlorophyll fluorescence quenching by Niyogi, K.K, Bjorkman, O, Grossman, A.R

“…The photosynthetic apparatus in plants is protected against oxidative damage by processes that dissipate excess absorbed light energy as heat within the…”
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Relationships among violaxanthin deepoxidation, thylakoid membrane conformation, and nonphotochemical chlorophyll fluorescence quenching in leaves of cotton (Gossypium hirsutum L.) by Bilger, W, Bjorkman, O

“…The kinetics and temperature dependencies of development and relaxation of light-induced absorbance changes caused by deepoxidation of violaxanthin to…”
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Effects of insulin on peripheral and splanchnic glucose metabolism in noninsulin-dependent (type II) diabetes mellitus by DEFRONZO, R. A, GUNNARSSON, R, BJORKMAN, O, OLSSON, M, WAHREN, J

“…The mechanism(s) and site(s) of the insulin resistance were examined in nine normal-weight noninsulin-dependent diabetic (NIDD) subjects. The euglycemic…”
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Leaf xanthophyll content and composition in sun and shade determined by HPLC by THAYER, S. S, BJORKMAN, O

“…As a part of our investigations to test the hypothesis that zeaxanthin formed by reversible de-epoxidation of violaxanthin serves to dissipate any excessive…”
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Remote Sensing of the Xanthophyll Cycle and Chlorophyll Fluorescence in Sunflower Leaves and Canopies by Gamon, J. A., Field, C. B., W. Bilger, Björkman, O., A. L. Fredeen, Peñuelas, J.

“…Sudden illumination of sunflower (Helianthus annuus L. cv. CGL 208) leaves and canopies led to excess absorbed PFD and induced apparent reflectance changes in…”
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Temperature dependence of violaxanthin de-epoxidation and non-photochemical fluorescence quenching in intact leaves of Gossypium hirsutum L. and Malva parviflora L by Bilger, W. (Carnegie Inst. of Washington, Stanford, California (USA). Dept. of Plant Biology), Bjoerkman, O

“…The temperature dependence of the rate of de-epoxidation of violaxanthin to zeaxanthin was determined in leaves of chilling-sensitive Gossypium hirsutum L…”
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The disposal of an oral glucose load in healthy subjects. A quantitative study by E Ferrannini, O Bjorkman, G A Reichard, Jr, A Pilo, M Olsson, J Wahren, R A DeFronzo

“…The disposal of an oral glucose load in healthy subjects. A quantitative study. E Ferrannini , O Bjorkman , G A Reichard, Jr , A Pilo , M Olsson , J Wahren and…”
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Temperature-sensitive coupling and uncoupling of ATPase-mediated, nonradiative energy dissipation: Similarities between chloroplasts and leaves by Gilmore, Adam M., Björkman, Olle

“…The effects of temperature on the dark relaxation kinetics of nonradiative energy dissipation in photosystem II were compared in lettuce (Lactuca sativa L.)…”
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Photoinhibition of photosynthesis in intact bean leaves: role of light and temperature, and requirement for chloroplast-protein synthesis during recovery by Greer, D.H. (Carnegie Inst. of Washington, Stanford, California (USA). Dept. of Plant Biology), Berry, J.A, Bjoerkman, O

“…Photoinhibition of photosynthesis was induced in intact leaves of Phaseolus vulgaris L. grown at a photon flux density (PFD; photon fluence rate) of 300…”
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Adenine nucleotides and the xanthophyll cycle in leaves. II. Comparison of the effects of CO2- and temperature-limited photosynthesis on photosystem II fluorescence quenching, the adenylate energy charge and violaxanthin de-epoxidation in cotton by Gilmore, A.M, Bjorkman, O

“…The relationships among the leaf adenylate energy charge, the xanthophyll-cycle components, and photosystem II (PSII) fluorescence quenching were determined in…”
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Brain uptake and release of amino acids in nondiabetic and insulin-dependent diabetic subjects: important role of glutamine release for nitrogen balance by Grill, V, Björkman, O, Gutniak, M, Lindqvist, M

“…We measured net uptake and release of amino acids in the brain of 7 nondiabetic and six diabetic subjects. Duration of insulin-dependent diabetes (IDDM) was…”
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Inhibition of zeaxanthin formation and of rapid changes in radiationless energy dissipation by dithiothreitol in spinach leaves and chloroplasts by Demmig-Adams, Barbara, Adams, William W., Heber, Ulrich, Neimanis, Spidola, Winter, Klaus, Almuth Krüger, Franz-Christian Czygan, Bilger, Wolfgang, Björkman, Olle

“…Dithiothreitol was used to obtain evidence for a causal relationship between zeaxanthin and the dissipation of excess excitation energy in the photochemical…”
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Arabidopsis mutants define a central role for the xanthophyll cycle in the regulation of photosynthetic energy conversion by Niyogi, K.K. (University of California, Berkeley.), Grossman, A.R, Bjorkman, O

“…A conserved regulatory mechanism protects plants against the potentially damaging effects of excessive light. Nearly all photosynthetic eukaryotes are able to…”
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Adenine nucleotides and the xanthophyll cycle in leaves. I. Effects of CO2- and temperature-limited photosynthesis on adenylate energy charge and violaxanthin de-epoxidation by Gilmore, A.M, Bjorkman, O

“…The effects of varying the steady-state rate of non-cyclic photosynthetic electron transport on the leaf adenylate energy charge and the epoxidation state of…”
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Splanchnic and muscle fructose metabolism during and after exercise by Ahlborg, G, Björkman, O

“…Regional substrate exchange was studied in 12 healthy males during 90 min of bicycle exercise at 30% of maximal O2 consumption with a 20-min recovery. Six…”
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The roles of specific xanthophylls in photoprotection by Niyogi, K.K, Bjorkman, O, Grossman, A.R

“…Xanthophyll pigments have critical structural and functional roles in the photosynthetic light-harvesting complexes of algae and vascular plants. Genetic…”
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Carotenoid distribution and deepoxidation in thylakoid pigment-protein complexes from cotton leaves and bundle-sheath cells of maize by Thayer, S.S. (Carnegie Inst. of Washington, Stanford, CA (USA). Dept. of Plant Biology), Bjoerkman, O

“…In response to excess light, the xanthophyll violaxanthin (V) is deepoxidized to zeaxanthin (Z) via antheraxanthin (A) and the degree of this deepoxidation is…”
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Influence of carnitine supplementation on muscle substrate and carnitine metabolism during exercise by Soop, M, Björkman, O, Cederblad, G, Hagenfeldt, L, Wahren, J

“…We examined 1) the effect of L-carnitine supplementation on free fatty acid (FFA) utilization during exercise and 2) exercise-induced alterations in plasma…”
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Gut exchange of glucose and lactate in basal state and after oral glucose ingestion in postoperative patients by Bjorkman, O., Eriksson, L. S., Nyberg, B., Wahren, J.

“…Gut exchange of glucose and lactate in basal state and after oral glucose ingestion in postoperative patients. O Björkman , L S Eriksson , B Nyberg and J…”
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Altered xanthophyll compositions adversely affect chlorophyll accumulation and nonphotochemical quenching in Arabidopsis mutants by Pogson, B.J. (Arizona State University, Tempe, AZ.), Niyogi, K.K, Bjorkman, O, DellaPenna, D

“…Collectively, the xanthophyll class of carotenoids perform a variety of critical roles in light harvesting antenna assembly and function. The xanthophyll…”
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