Results 191 to 200 of about 13,385 (232)
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Photoinhibition in marine picocyanobacteria
Physiologia Plantarum, 2017Marine Synechococcus and Prochlorococcus cyanobacteria have different antenna compositions although they are genetically near to each other, and different strains thrive in very different illumination conditions. We measured growth and photoinhibition of PSII in two low‐light and one high‐light Prochlorococcus strains and in one Synechococcus strain ...
Arto Soitamo +2 more
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PHOTOINHIBITION OF CHLOROPLAST REACTIONS
Photochemistry and Photobiology, 1965Abstract— An attemlpt was made to localize the site of photoinhibition of photosynthesis by measuring the decay of various chloroplast reactions after exposure to very strong light. A11 substrate reductions coupled to oxygen evolution as well as photophosphorylation mediated by PMS, proved equally sensitive to photoinhibition.
B, Kok, E B, Gassner, H J, Rurainski
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2003
When photosynthetic organisms are exposed to higher irradiances which exceed their light energy requirement for photosynthetically operated metabolisms, a reduction of photosynthetic capacity, called photoinhibition, occurs [1, 2, 3]. Under excessive light conditions Ohad et al. [4] and Mattoo et al.
D. Hanelt, W. Nultsch
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When photosynthetic organisms are exposed to higher irradiances which exceed their light energy requirement for photosynthetically operated metabolisms, a reduction of photosynthetic capacity, called photoinhibition, occurs [1, 2, 3]. Under excessive light conditions Ohad et al. [4] and Mattoo et al.
D. Hanelt, W. Nultsch
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Photoinhibition of Photosystem II
International Review of Cell and Molecular Biology, 2013Photoinhibition of Photosystem II (PSII) is the light-induced loss of PSII electron-transfer activity. Although photoinhibition has been studied for a long time, there is no consensus about its mechanism. On one hand, production of singlet oxygen ((1)O(2)) by PSII has promoted models in which this reactive oxygen species (ROS) is considered to act as ...
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Photoinhibition of Photosynthesis in Nature
Annual Review of Plant Physiology and Plant Molecular Biology, 1994CONTENTS INTRODUCTION ..... .... .... .... .... .... .... .... .... .... .... ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . .... .... .... 633 MECHANISMS ..... .... .... .... .... .... .... .... .... .... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
S P Long, S Humphries, P G Falkowski
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Phytochrome and the Photoinhibition of Germination
Nature, 1967THE inhibition of seed germination by light in Nemophila insignis and Phacelia tanacetifolia depends on the far red part of the visible spectrum1–5. Red light has little or no activity1–4.
P. ROLLIN, G. MAIGNAN
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Photoinhibition at Chilling Temperatures
Australian Journal of Plant Physiology, 1988Relative susceptibilities of chilled leaves to photoinhibition were determined for 15 species of crop annuals showing a wide range of chilling tolerance. Leaf tissue at 7°C was exposed to a moderate photon irradiance of 300 µmol m-2 s-1 and photoinhibition was measured by the decrease in chlorophyll fluorescence (Fv/Fm) measured at 77K.
RM Smillie +3 more
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State Transition and Photoinhibition
2006Optimal utilization of absorbed light energy and avoidance of oxidative damage induced by excessive excitation (photoinhibition) constitute a major problem for photosynthetic oxygen evolving cells. Adaptation to transient changes in light absorption and energy utilization is achieved by regulation of photochemistry, and both radiative and nonradiative ...
Nir Keren, Itzhak Ohad
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Dynamics of Phytoplankton Communities Under Photoinhibition
Bulletin of Mathematical Biology, 2013We analyzed a model of phytoplankton competition for light in a well-mixed water column. The model, proposed by Gerla et al. (Oikos 120:519-527, 2011), assumed inhibition of photosynthesis at high irradiance (photoinhibition). We described the global behavior through mathematical analyses, providing a general solution to the multi-species competition ...
Hsu, Sze-Bi +3 more
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2017
Lecture given by Professor Charles B. Osmond, Director, Research School of Biological Sciences, Canberra at the Waite Campus, University of Adelaide, 20.7.1994This lecture is part of the Campus Seminars and Distinguished Lecturer Series, Waite Campus, University of Adelaide, 1991 – 1997.
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Lecture given by Professor Charles B. Osmond, Director, Research School of Biological Sciences, Canberra at the Waite Campus, University of Adelaide, 20.7.1994This lecture is part of the Campus Seminars and Distinguished Lecturer Series, Waite Campus, University of Adelaide, 1991 – 1997.
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