Results 71 to 80 of about 68,054 (203)
Cyanobacteria use large pigment-protein complexes called phycobilisomes to harvest light energy primarily for photosystem II (PSII). We used a series of mutants with partial to complete reduction of phycobilisomes to examine the effects of antenna ...
Aparna Nagarajan +3 more
doaj +1 more source
Quantum-coherent dynamics in photosynthetic charge separation revealed by wavelet analysis
Experimental/theoretical evidence for sustained vibration-assisted electronic (vibronic) coherence in the Photosystem II Reaction Center (PSII RC) indicates that photosynthetic solar-energy conversion might be optimized through the interplay of ...
Chin, Alex W. +6 more
core +2 more sources
The photosystem II (PSII) activity of C3 plants is usually inhibited at noon associated with high light but can be repaired fast in the afternoon. However, the diurnal variation of photosystem I (PSI) activity is unknown.
Wei Huang +4 more
doaj +1 more source
Diatom Proteomics Reveals Unique Acclimation Strategies to Mitigate Fe Limitation [PDF]
Phytoplankton growth rates are limited by the supply of iron (Fe) in approximately one third of the open ocean, with major implications for carbon dioxide sequestration and carbon (C) biogeochemistry.
Boyd, Philip W. +7 more
core +1 more source
I hereby submit the above-titled manuscript for publication in Frontiers in Plant Science. The research reported is original and novel. No part of it is submitted for publication elsewhere.We report on regulation and interactions of a unique histidine ...
Iskander Mohamed Ibrahim +2 more
doaj +1 more source
Paleoproterozic Icehouses and the Evolution of Oxygen Mediating Enzymes: The Case for a Late Origin of Photosystem -- II [PDF]
Two major geological problems regarding the origin of oxygenic photosynthesis are: (1) identifying a source of oxygen predating biological oxygen production and capable of driving the evolution of oxygen tolerance, and (2) determining when oxygenic ...
Kirschvink, Joseph L., Kopp, Robert E.
core
Existing antioxidant levels are more important in acclimation to supplemental UV-B irradiation than inducible ones: Studies with high light pretreated tobacco leaves [PDF]
Greenhouse grown tobacco plants were exposed to supplemental ultraviolet irradiation (280-400 nm, UV-B centered) for 6 days and changes in their photosynthesis (gas exchange and electron transport) and general and specific antioxidant activities were ...
Hideg, Éva, Majer, Petra
core +1 more source
Photosystem I application in biohybrid polymer solar cells
The use of Bio-photonic systems has attracted a lot of attention recently specially in the field of solar energy conversion and photovoltaic materials the use of photosynthetic organs of plants is very promising.
Shahriar Molamohammadi +2 more
doaj +1 more source
Flashing LEDs for microalgal production [PDF]
Flashing lights are next-generation tools to mitigate light attenuation and increase the photosynthetic efficiency of microalgal cultivation systems illuminated by light-emitting diodes (LEDs).
Guerra, Rui Manuel Farinha das Neves +4 more
core +1 more source
It has been indicated that photosystem I (PSI) is susceptible to chilling-light stress in tobacco leaves, but the effect of growth light intensity on chilling-induced PSI photoinhibition in tobacco is unclear.
Wei eHuang +3 more
doaj +1 more source

