Photosynthesis Research Paper

The journal Photosynthesis Research is an international journal dealing with both basic and applied aspects of photosynthesis.The journal publishes research at all levels of plant organization: molecular, subcellular, cellular, whole plant, canopy, ecosystem and global. The copyright and publishing rights of specialized products listed below are in this publishing house. To search this web page for specific words type "Ctrl" "F" on your keyboard (Command "F" on a Mac).

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Historically, the role of light in photosynthesis has been ascribed either to a photolysis of carbon dioxide or to a photolysis of water and a resultant rearrangement of constituent atoms into molecules of oxygen and glucose (or formaldehyde).

The discovery of photophosphorylation demonstrated that photosynthesis includes a light-induced phosphorus metabolism that precedes, and is independent from, a photolysis of water or CO) serves as an electron donor for the reduction of NADP by an enzymic reaction that is independent of light.

The findings indicated that the intracellular redox state is actively controlled to change in a 24-h cycle under constant light conditions by the circadian clock system.

Near-infrared in vitro measurements of photosystem I cofactors and electron-transfer partners with a recently developed spectrophotometer A kinetic-LED-array-spectrophotometer (Klas) was recently developed for measuring in vivo redox changes of P700, plastocyanin (PCy), and ferredoxin (Fd) in the near-infrared (NIR).

The absorption and fluorescence spectra were also similar, although the peak positions differed slightly.

These results indicate that this green alga contains four types of LHCII trimer with different biochemical and spectroscopic features.

ATP, from both cyclic and noncyclic photophosphorylation, and reduced NADP jointly constitute the assimilatory power for the conversion of CO 685 nm).

Cyclic photophosphorylation in chloroplasts involves a System I photoreaction.

Noncyclic photophosphorylation is widely held to involve a collaboration of two photoreactions: a short-wavelength photoreaction belonging to System II and a long-wavelength photoreaction belonging to System I.

Recent findings, however, indicate that noncyclic photophosphorylation may include two short-wavelength, System II, photoreactions that operate in series and are joined by a “dark” electron-transport chain to which is coupled a phosphorylation site.


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