Results 11 to 20 of about 11,814 (233)
Parameterization of photoinhibition for phytoplankton
Mathematical models of photosynthesis–irradiance relationships in phytoplankton are used to compute integrated water-column photosynthetic rates and predict primary production. Models typically ignore an important phenomenon observed in most experiments:
Mohammad M. Amirian +3 more
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Honeysuckle (Lonicera japonica Thunb.) is a popular landscape plant. This study was to explore leaf photosynthetic characterization with emphasis on the coordination between photosystem II (PSII) and photosystem I (PSI) in tetraploid and its autodiploid ...
Kun eYan +4 more
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The cost of photoinhibition [PDF]
Photoinhibition is an inevitable consequence of oxygenic photosynthesis. However, the concept of a ‘photoinhibition‐proof’ plant in which photosystem II (PSII) is immune to photodamage is useful as a benchmark for considering the performances of plants with varying mixes of mechanisms which limit the extent of photodamage and which repair photodamage ...
John A. Raven, Raven, JA
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History of photoinhibition research
At the beginning of our century few scientists paid attention to the phenomenon of inactivation of photosynthesis by high light intensities which was later called photoinhibition. In the period 1925-1950, the idea was established that photoinhibition is a reversible inactivation, determined by light intensity and exposure time, followed by irreversible
Ball, Rafael, Wild, Aloysius
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Cyanophage infection and photoinhibition in marine cyanobacteria
Members of two cyanobacterial genera, Synechococcus and Prochlorococcus, are dominant within the prokaryotic component of the picophytoplankton and contribute significantly to global photosynthetic productivity. These organisms are known to be susceptible to infection by bacteriophages (viruses that infect bacteria) and it is believed that phage ...
Bailey, S +3 more
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Photoinhibition and protection of photosystem I. [PDF]
Abstract Over 30 years ago, when we first reported the selective photoinhibition of photosystem I (PSI) in chilling-sensitive plants at chilling temperatures, the inhibition tended to be regarded as a specific phenomenon observed only under unusual conditions.
Sonoike K.
europepmc +4 more sources
Photoinhibition of FeFe Hydrogenase [PDF]
In the enzyme FeFe hydrogenase, hydrogen oxidation and production occur at the H-cluster, a Fe6S6 active site that bears intrinsic carbonyl and cyanide ligands. This enzyme has been coupled to photosensitizers to design H2 photoproduction systems, and yet, according to earlier reports, the enzyme from Desulfovibrio desulfuricans is "easily destroyed ...
Sensi, Matteo +11 more
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Loss of qE Does Not Necessarily Lead to Photoinhibition: Sustained Non-Photochemical Quenching in the Absence of PsbS and Zeaxanthin. [PDF]
ABSTRACT Photosynthetic light‐harvesting complexes mediate light absorption and energy dissipation. By modulating the photosystems' absorption cross‐section, they affect both photosynthetic activity and non‐photochemical quenching (NPQ). These processes are often studied by spectrally integrated chlorophyll fluorescence, masking their associated ...
Cainzos M +5 more
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Photoinhibition and regulation of photosynthesis [PDF]
Plants are photosynthetic organisms that use light to reduce carbon dioxide, nitrate and sulfate to synthesise the organic molecules that are the building blocks of all life.
Lempiäinen, Tapio
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This study was conducted to evaluate the physiological and growth responses of Sedirea japonica cultured in chambers under RCP 6.0 and different light conditions. S.
Kyeong Cheol Lee +9 more
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