نتایج جستجو برای: photosynthetic apparatus
تعداد نتایج: 70737 فیلتر نتایج به سال:
The green unicellular alga Chlamydomonas reinhardtii occupies a unique position among photosynthetic organisms. Although its photosynthetic function is very similar to that of vascular plants, it combines the advantages of unicellular organisms, which include fast growth under controlled environmental conditions with highly sophisticated genetics of the nuclear, chloroplast, and mitochondrial c...
Most bacteria have the capability to adapt to changes in their environment. Facultatively phototrophic bacteria like Rhodobacter can switch from aerobic respiration to anoxygenic photosynthesis in the absence of oxygen. The formation of the photosynthetic apparatus is primarily regulated by oxygen tension. The amount of photosynthetic complexes is influenced by the light intensity in anaerobic ...
Higher plants possess the ability to trigger a long-term acclimatory response to different environmental light conditions through the regulation of the light-harvesting antenna size of photosystem II. The present study provides an insight into the molecular nature of the signal which initiates the high light-mediated response of a reduction in antenna size. Using barley (Hordeum vulgare) plants...
Toxic and bloom-forming cyanobacterium Microcystis aeruginosa was exposed to antialgal allelochemical gramine (0, 0.5, 1, 2, 4, 8 mg·L), The effects of gramine on photosynthetic pigments (lipid soluble: chlorophyll a and β-carotene; water soluble: phycocyanin, allophycocyanin, phycoerythrin, and total phycobilins) and absorption spectra were studied in order to identify the most sensitive pigme...
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