Results 31 to 40 of about 40,321 (291)
Reduced model of photosystem II and its use to evaluate the photosynthetic apparatus characteristics according to the fluorescence induction curves [PDF]
Компьютерные исследования и моделирование, 2012 The approach for the analysis of some large-scale biological systems, on the base of quasiequilibrium stages is proposed. The approach allows us to reduce the detailed large-scaled models and obtain the simplified model with an analytical solution.
T. Yu. Plusnina +6 more
doaj +1 more source
Cyanobacterial Acclimation to Photosystem I or Photosystem II Light [PDF]
Plant Physiology, 1986 The organization and function of the photochemical apparatus of Synechococcus 6301 was investigated in cells grown under yellow and red light regimes. Broadband yellow illumination is absorbed preferentially by the phycobilisome (PBS) whereas red light is absorbed primarily by the chlorophyll (Chl) pigment beds.
A, Manodori, A, Melis
openaire +2 more sources
Chlorophyll Fluorescence Measurements in Arabidopsis Wild-type and Photosystem II Mutant Leaves
Bio-Protocol, 2015 Chlorophyll fluorescence measurement is a widely used technique to determine photosynthetic performance. Light energy absorbed by a chlorophyll molecule can be dissipated by driving photochemical energy conversion, as heat in non-photochemical quenching ...
Iris Steinberger +2 more
doaj +1 more source
FEBS Open Bio, EarlyView.Comparative analysis of chloroplast genomes from 14 genera of Thymelaeaceae revealed variation in gene content, ranging from 128 to 142 genes, primarily influenced by IR expansion/contraction events and pseudogenization of ndhF, ndhI, and ndhG. Two large inversions were detected within the large single‐copy region, including a synapomorphic inversion ...
Abdullah +8 more
wiley +1 more source
Nature Communications, 2016 There are two common models of photosynthetic light harvesting by photosystem II cores. Here, the authors use structurally sensitive, time resolved infrared pleochroism of single crystals of photosystem II core complexes to probe the exciton ...
Marius Kaucikas +4 more
doaj +1 more source
Quality Control of Photosystem II [PDF]
Plant and Cell Physiology, 2001 Photosystem II is particularly vulnerable to excess light. When illuminated with strong visible light, the reaction center D1 protein is damaged by reactive oxygen molecules or by endogenous cationic radicals generated by photochemical reactions, which is followed by proteolytic degradation of the damaged D1 protein.
openaire +2 more sources
Specific association of photosystem II and light‐harvesting complex II in partially solubilized photosystem II membranes [PDF]
FEBS Letters, 1998 In this study, we report the structural characterization of photosystem II complexes obtained from partially solubilized photosystem II membranes. Direct observation by electron microscopy, within a few minutes after a mild disruption of the membranes with the detergent n‐dodecyl‐α,d‐maltoside, revealed the presence of several large supramolecular ...
Boekema, EJ +3 more
openaire +4 more sources
Biosupercapacitors for Human‐Powered Electronics
Advanced Functional Materials, EarlyView.Biosupercapacitors are emerging as biocompatible and integrative energy systems for next‐generation bioelectronics, offering rapid charge–discharge performance and mechanical adaptability. This review systematically categorizes their applications from external to organ‐level systems and highlights their multifunctional roles in sensing, actuation, and ...
Suhyeon Kim +7 more
wiley +1 more source
Effects of spine-shading on aspects of photosynthesis for three cactus species
Botanical Sciences, 2016 We evaluated the effect of spine removal on three cactus species varying in spine-shading of stems. Turbinicarpus schmiedickeanus showed the greater spine shading (c. 61 %), followed by Mammillaria zephyranthoides (43 %), and Echinocactus platyacanthus (
Edilia de la Rosa-Manzano +2 more
doaj +1 more source
Multiple functions of photosystem II.
Indian journal of biochemistry & biophysics, 2000 The most important function of photosystem II (PSII) is its action as a water-plastoquinone oxido-reductase. At the expense of light energy, water is split, and oxygen and plastoquinol are formed. In addition to this most important activity, PSII has additional functions, especially in the regulation of (light) energy distribution.
van Rensen, J.J.S., Curwiel, V.B.
openaire +3 more sources