Home  Research Photosynthesis
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Eva Selstam Project Page |
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The prolamellar body structure
The prolamellar body is a parachrystaline membrane
body. The membrane itself is a lipid bilayer but is highly convoluted
giving rise to a body with a three dimensional cubic symmetry, see fig 2.
The prolamellar body is formed in the etioplast by the plastid lipids
and mainly one protein, protochlorophyllide reductase. I am interested
in the mechanism behind the formation of this cubic membrane structure.
Traditionally membranes are pictured as flat bilayers of lipids with
inserted proteins. However there are many examples where the biological
membrane are convoluted and form three dimensional networks.
Contact Info |
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PI: Eva Selstam
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Read more... [Eva Selstam Project Page]
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Gunnar Öquist Project Page |
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Stress and adaptation mechanisms in photosynthesis
Scientific objectives
The long term goal of the research is a mechanistic understanding of
how photosynthesis acclimates to overcome environmental stresses
limiting plant performance. Particular attention is paid to the
function of the two photosystems, energy distribution between
photosystems and the intersystem electron transfer in relation to
molecular, organizational and metabolic changes as plants are exposed
to high light intensities, low temperatures, nutritional and water
stress.
Contact Info |
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PI: Gunnar Öquist
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Read more... [Gunnar Öquist Project Page]
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Petter Gustafsson Project name |
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Structure,
function and regulation of the light antenna in cyanobacteria
Cyanobacteria
Cyanobacteria
are unique in the sense that they are prokaryotes that carry
out oxygenic photosynthesis equivalent to the one found in
higher plants. Thus, they comprise an interesting model system
for studies of the evolution, regulation and function of photo-synthesis.
They also possess a light antenna, the phycobilisome, that
is unique and that may offer interesting possibilities to
study photon transport, light regulation and the bio-genesis
of soluble, multi-protein complexes.
Contact Info |
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PI: Petter Gustafsson
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Read more... [Petter Gustafsson Project name]
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Stefan Jansson Project Page |
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Structure and function of the chlorophyll a/b-binding proteins
In the photosynthesis apparatus of green plants, the light-harvesting chlorophyll a/b-binding (LHC) proteins serve as antenna for photosystem I and photosystem II. Members of the LHC protein family bind the majority of the photosynthetic pigments (chlorophyll and carotenoids), make the photosynthetic light reaction efficient and regulate the photosynthetic light reaction, for example by dissipating excess light and adjusting excitation balance between the photosystems.
Contact Info |
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PI: Stefan Jansson
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Read more... [Stefan Jansson Project Page]
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Recent Publications
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March 2010 |
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Research
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