Tuyển tập các báo cáo nghiên cứu về lâm nghiệp được đăng trên tạp chí lâm nghiệp Original article đề tài: "Light acclimation and photosynthetic response of beech (Fagus sylvatica L.) saplings under artificial shading or natural Mediterranean conditions"
Tuyển tập các báo cáo nghiên cứu về lâm nghiệp được đăng trên tạp chí lâm nghiệp quốc tế đề tài: A comparison of photosynthetic responses to water stress in seedlings from 3 oak species: Quercus petraea (Matt) Liebl, Q rubra L and Q cerris L...
Phototrophic green bacteria, phototrophic purple
bacteria, and heliobacteria are three groups of bacteria that use anoxygenic photosynthesis.
Anoxygenic phototrophs have photosynthetic pigments called bacteriochlorophylls.
Bacteriochlorophyll a and b have maxima wavelength absorption at 775 nm and 790 nm,
respectively in ether. Unlike oxygenic phototrophs, anoxygenic photosynthesis only
functions using a single photosystem. This restricts them to cyclic electron flow only, and
they are therefore unable to produce O2 from the oxidization of H2O.
Since the 1930s, the USDA (U.S. Department of Agriculture) Forest
Service’s International Institute of Tropical Forestry (the Institute) has
studied mahogany and its management. In the 1960s, F.B. Lamb, the author
of the classic book on mahogany (1966), was an Institute collaborator.
Before gene flow and genetic erosion became popular terms, my predecessor
Frank Wadsworth established a gene bank at the Luquillo Experimental
Microalgae are prokaryotic or eukaryotic photosynthetic microorganisms that can grow
rapidly and live in a wide range of ecosystems extending from terrestrial to aquatic
environment. Environmental factors such as temperature, UV-light, irradiance, drought and
salinity are known to affect their photosynthesis.
Photosynthesis was the most sensitive process in microalgae, leading to numerous changes
in structure and function of the photosynthetic apparatus under various conditions.
THE CONVERSION OF SOLAR ENERGY to the chemical energy of organic compounds is a complex process that includes electron transport and photosynthetic carbon metabolism (see Chapters 7 and 8). Earlier discussions of the photochemical and biochemical reactions of photosynthesis should not overshadow the fact that, under natural conditions, the photosynthetic process takes place in intact organisms that are continuously responding to internal and external changes. This chapter addresses some of the photosynthetic responses of the intact leaf to its environment....
Since the synthesis of DDT during 1874 several insecticide molecules have been
identified and synthesized globally for the control of insect pests, pathogens, microbes,
vectors of human and animal diseases, weeds and other obnoxious organisms.
Currently, 1.8 billion kgs of pesticides are used annually worldwide in the form of
herbicides, insecticides and fungicides. There are more than 1055 active ingredients
registered as pesticides till date implying that there is no best alternate for the
Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: CO2 assimilation, ribulose-1,5-bisphosphate carboxylase/oxygenase, carbohydrates and photosynthetic electron transport probed by the JIP-test, of tea leaves in response to phosphorus supply
Tuyển tập các báo cáo nghiên cứu về lâm nghiệp được đăng trên tạp chí lâm nghiệp Original article đề tài: Diﬀerential photosynthetic and survival responses to soil drought in two evergreen Nothofagus species...
Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Responses of photosynthetic capacity to soil moisture gradient in perennial rhizome grass and perennial bunchgrass
Tuyển tập các báo cáo nghiên cứu về lâm nghiệp được đăng trên tạp chí lâm nghiệp Original article đề tài: A comparison of the photosynthetic radiation response of Scots pine shoots in direct and diffuse radiation...
The efficiency of light harvesting in higher plant photosynthesis is regulated
in response to external environmental conditions. Under conditions of
excess light, the normally highly efficient light-harvesting system of photo-system II is switched into a state in which unwanted, potentially harmful,
energy is dissipated as heat.
The charged quaternary ammonium compounds – methyl, ethyl and benzyl
viologens – generate reactive oxygen species in photosynthetic cells. Three
independent methyl viologen-resistant spontaneous mutants of Synechocys-tis sp. PCC 6803 were identified, in which the conserved R115 residue of
the Slr1174 protein was replaced with G115, L115 and C115. The Slr1174
protein of the DUF990 family is related to the permease subunit of an
ABC-2-type transporter and its R115 mutation was found to be solely
responsible for the observed methyl viologen resistance. ...
Heme oxygenase (HO) catalyzes the oxidative degradation
of heme utilizing molecular oxygen and reducing equiva-lents. In photosynthetic organisms, HO functions in the
biosynthesis of such open-chain tetrapyrroles as phyto-chromobilin and phycobilins, which are involved in the sig-nal transduction for light responses and light harvesting for