Journal ArticleDOI
Composition of the photosystems and chloroplast structure in extreme shade plants.
TLDR
It is concluded that Photosystems I and II of the shade plants have lower proportions of chlorophyll a to chlorophyLL b than the corresponding photosystems of spinach.About:
This article is published in Biochimica et Biophysica Acta.The article was published on 1973-12-14. It has received 148 citations till now. The article focuses on the topics: Chlorophyll b & Chlorophyll.read more
Citations
More filters
Journal ArticleDOI
Photosynthetic activity, chloroplast ultrastructure, and leaf characteristics of high-light and low-light plants and of sun and shade leaves.
Hartmut K. Lichtenthaler,Claus Buschmann,M Döll,H J Fietz,Thomas J. Bach,U Kozel,D. Meier,U. Rahmsdorf +7 more
TL;DR: Leaf thickness, dry weight, chlorophyll content, soluble carbohydrate level, photosynthetic CO2-fixation, height and width of grana stacks and starch content, are good parameters to describe the differences between LL- and HL-leaves; with some reservations concerning age and physiological stage of leaf.
Journal ArticleDOI
Molecular recognition in thylakoid structure and function
John F. Allen,Jens Forsberg +1 more
TL;DR: This work describes a model for the chloroplast thylakoid membrane that is consistent with recent structural data that specify the relative dimensions of intrinsic protein complexes and their dispositions within the membrane.
Journal ArticleDOI
Thylakoid Membrane Organisation in Sun/Shade Acclimation
TL;DR: It is now clear that there is a dynamic continuum of organisation and function of the photosynthetic apparatus from the appressed granal and non-appressed stroma thylakoids within a chloroplast, to different chloroplasts within a leaf, to leaves within and between species.
Journal ArticleDOI
Structure and membrane organization of photosystem II in green plants
TL;DR: In this article, the primary, secondary, tertiary, and quaternary structures of PSII as well as the function of its constituent subunits are discussed in terms of the oligomeric state and subunit organization.
Journal ArticleDOI
Effects of Light and Nitrogen Nutrition on the Organization of the Photosynthetic Apparatus in Spinach
Ichiro Terashima,John R. Evans +1 more
TL;DR: The results suggest that nitrogen nutrition affects the amount of thyalkoids per unit leaf area but neither the properties of Thyalkoids nor their intra-leaf gradient, however, growth irradiance controls both the properties and the amounts of thylakoids.
References
More filters
Journal ArticleDOI
Copper enzymes in isolated chloroplasts. polyphenoloxidase in beta vulgaris
TL;DR: Evidence that a copper enzyme, polyphenoloxidase (otherwise known as tyrosinase or catecholase), is localized in the chloroplasts of spinach beet (chard), Beta vu?garis is presented.
Journal ArticleDOI
Fractionation of the photochemical systems of photosynthesis. I. Chlorophyll contents and photochemical activities of particles isolated from spinach chloroplasts.
Jan M. Anderson,N.K. Boardman +1 more
TL;DR: Spinach chloroplasts were fragmented by incubation with digitonin and the resulting chlorophyll-containing particles separated by differential centrifugation, and particles with the high chl a/chl b ratios appear to be representative of System 1 or the “long wavelength” system of photosynthesis, whereas the 1000 × g and 10 000 × g fractions seem to be enriched in particles representative of system 2.
Journal ArticleDOI
Characterization of chloroplast photosystems 1 and 2 separated by a non-detergent method
TL;DR: Data demonstrate that both digitonin and French press treatments of chloroplasts initially break stroma lamellae and end membranes to yield small vesicles which contain only Photosystem 1, which is shown to exist in freeze fractured Class I chloroplast.
Journal ArticleDOI
Inhibition of the Hill Reaction by Tris and Restoration by Electron Donation to Photosystem II
TL;DR: Experiments in which chloroplasts were washed with tris and tricine buffers at different pH's indicated that the non-protonated (uncharged) form of tris was inhibitory to the Hill reaction while the protonated form oftris and the zwitterionic forms oftricine were non-inhibitory.
Journal ArticleDOI
Distribution of function and structure in chloroplast lamellae
TL;DR: A model for distribution of functions within the lamellar system is proposed and the relationship of this model to studies on electron transport, on chemical and mechanical fractionation ofchloroplasts, and on the agranal chloroplasts of mutant and C4 plants is considered.