Photosynthesis Research

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An improved model of C3 photosynthesis at high CO2: Reversed O2 sensitivity explained by lack of glycerate reentry into the chloroplast
Photosynthesis Research - - 1991
P. C. Harley, Thomas D. Sharkey
Hydrogen peroxide generation and antioxidant enzyme activities in the leaves and roots of wheat cultivars subjected to long-term soil drought stress
Photosynthesis Research - Tập 125 - Trang 279-289 - 2015
Irada M. Huseynova, Durna R. Aliyeva, Alamdar Ch. Mammadov, Jalal A. Aliyev
The dynamics of the activity of catalase, ascorbate peroxidase, guaiacol peroxidase, and benzidine peroxidase, as well as the level of hydrogen peroxide in the vegetative organs of durum wheat (Triticum durum Desf.) cultivars was studied under long-term soil drought conditions. It was established that hydrogen peroxide generation occurred at early stages of stress in the tolerant variety Barakatli... hiện toàn bộ
Identification of two forms of PFK and a fructose-2,6-bisphosphate independent form of PFP in a green alga
Photosynthesis Research - Tập 21 Số 2 - Trang 123-128 - 1989
Kiss, F., Johnson, T. C., Klecan, A. L., Vincze, Gy., Buchanan, B. B., Balogh, A.
Cell-free preparations from the green alga, Chlorella pyrenoidosa, contained two forms of phosphofructokinase (PFK), designated PFK I and PFK II. This represents the first evidence for a second form of PFK in green algae. A pyrophosphate D-fructose-6-phosphate, 1-phosphotransferase (PFP) activity, that was unaffected by the regulatory metabolite, fructose-2,6-bisphosphate, co-purified with PFK II ... hiện toàn bộ
Light and growth temperature alter carbon isotope discrimination and estimated bundle sheath leakiness in C4 grasses and dicots
Photosynthesis Research - Tập 91 - Trang 47-58 - 2007
Jiří Kubásek, Jiří Šetlík, Simon Dwyer, Jiří Šantrůček
We combined measurements of short-term (during gas exchange) and long-term (from plant dry matter) carbon isotope discrimination to estimate CO2 leakiness from bundle sheath cells in six C4 species (three grasses and three dicots) as a function of leaf insertion level, growth temperature and short-term irradiance. The two methods for determining leakiness yielded similar results (P > 0.05) for all... hiện toàn bộ
Active in situ and passive airborne fluorescence measurements for water stress detection on a fescue field
Photosynthesis Research - Tập 155 - Trang 159-175 - 2022
Ismael Moya, Hildo Loayza, María-Llanos López, Juan Manuel Sánchez, Yves Goulas, Abderrahmane Ounis, Roberto Quiroz, Alfonso Calera
Ledflex is a fluorometer adapted to measure chlorophyll fluorescence at the canopy level. It has been described in detail by Moya et al. (2019), Photosynthesis Research. https://doi.org/10.1007/s11120-019-00642-9 . We used this instrument to determine the effect of water stress on the fluorescence of a fescue field under extreme temperature and light conditions through a 12 days campaign during su... hiện toàn bộ
An integration of photosynthetic traits and mechanisms that can increase crop photosynthesis and grain production
Photosynthesis Research - Tập 46 - Trang 169-175 - 1995
C. C. Black, Z. P. Tu, P. A. Counce, P.-F. Yao, M. N. Angelov
The hypothesis we propose is that during photosynthesis the balance between potentially detrimental and beneficial photochemically induced events can be tipped beneficially toward increased photosynthesis and toward increased crop yield. To test this hypothesis a procedure has been devised with the rice plant, Oryza sativa, that has resulted in increasing both canopy photosynthesis and rice grain ... hiện toàn bộ
Growth enhancement of soybean (Glycine max) upon exclusion of UV-B and UV-B/A components of solar radiation: characterization of photosynthetic parameters in leaves
Photosynthesis Research - Tập 94 - Trang 299-306 - 2007
Guruprasad Kadur, Bhattacharjee Swapan, Kataria Sunita, Yadav Sanjeev, Tiwari Arjun, Baroniya Sanjay, Rajiv Abhinav, Prasanna Mohanty
Exclusion of UV (280–380 nm) radiation from the solar spectrum can be an important tool to assess the impact of ambient UV radiation on plant growth and performance of crop plants. The effect of exclusion of UV-B and UV-A from solar radiation on the growth and photosynthetic components in soybean (Glycine max) leaves were investigated. Exclusion of solar UV-B and UV-B/A radiation, enhanced the fre... hiện toàn bộ
Loose association of ribulose 1,5-bisphosphate carboxylase/oxygenase with chloroplast thylakoid membranes
Photosynthesis Research - - 1984
Hitoshi Mori, Tetsuko Takabe, Takashi Akazawa
Coupling biology to synthetic nanomaterials for semi-artificial photosynthesis
Photosynthesis Research - Tập 143 Số 2 - Trang 193-203 - 2020
Brown, Katherine A., King, Paul W.
Biohybrid artificial photosynthesis aims to combine the advantages of biological specificity with a range of synthetic nanomaterials to create innovative semi-synthetic systems for solar-to-chemical conversion. Biological systems utilize highly efficient molecular catalysts for reduction–oxidation reactions. They can operate with minimal overpotentials while selectively channeling reductant energy... hiện toàn bộ
Ca2+ effects on Fe(II) interactions with Mn-binding sites in Mn-depleted oxygen-evolving complexes of photosystem II and on Fe replacement of Mn in Mn-containing, Ca-depleted complexes
Photosynthesis Research - Tập 147 Số 2 - Trang 229-237 - 2021
Semin, B. К., Davletshina, L. N., Goryachev, S. N., Seibert, M.
Fe(II) cations bind with high efficiency and specificity at the high-affinity (HA), Mn-binding site (termed the “blocking effect” since Fe blocks further electron donation to the site) of the oxygen-evolving complex (OEC) in Mn-depleted, photosystem II (PSII) membrane fragments (Semin et al. in Biochemistry 41:5854, 2002). Furthermore, Fe(II) cations can substitute for 1 or 2Mn cations (pH depende... hiện toàn bộ
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