Cover image for Plant biochemistry and molecular biology
Plant biochemistry and molecular biology
Heldt, Hans-Walter.
Personal Author:
Uniform Title:
Pflanzenbiochemie. English
Publication Information:
Oxford ; New York : Oxford University Press, 1997.
Physical Description:
xxiv, 522 pages : illustrations (some color) ; 25 cm
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Material Type
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QK861 .H4513 1997 Adult Non-Fiction Non-Fiction Area

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This textbook explains the basic principles and major themes in plant biochemistry and molecular biology to students. It provides not only a thorough grounding in the subject to an advanced level, but also describes its many practical applications, for example the use of genetic engineering to improve crop plants and to provide raw materials for the chemical and pharmaceutical industries. The latest research findings have been included wherever possible, and areas of future research are identified. There are full references to the scientific literature.

Table of Contents

1 A Leaf Cell Consists of Several Metabolic Compartments Introduction
1.1 The cell wall gives the plant cell mechanical stability
1.2 Vacuoles have multiple functions
1.3 Plastids have evolved from cyanobacteria
1.4 Mitochondria also result from endosymbionts
1.5 Peroxisomes are the site of reactions in which toxic intermediates are formed
1.6 The endoplasmic reticulum and Golgi apparatus form a network for the distribution of biosynthesis products
1.7 Functionally intact cell organelles can be isolated from plant cells
1.8 Various transport processes facilitate the exchange of metabolites between different compartments
1.9 Translocators catalyze the specific transport of substrates and products of metabolism
1.10 Ion channels have a very high transport capacity
1.11 Porins consist of B-sheet structures
2 The Use of Energy from Sunlight by Photosynthesis
2.1 How did photosynthesis start?
2.2 Pigments capture energy from sunlight
2.3 Light absorption excites the chlorophyll molecule
2.4 An antenna is required to capture light
3 Photosynthesis is an Electron Transport Process
3.1 The photosynthetic machinery is constructed from modules
3.2 A reductant and an oxidant are formed during photosynthesis
3.3 The basic structure of a photosynthetic reaction center has been resolved by X-ray structure analysis
3.4 How does a reaction center function?
3.5 Two photosynthetic reaction centers are arranged in tandem in photosynthesis of algae and plants
3.6 Water is split by photosystem II
3.7 The cytochrome-b6/f complex mediates electron transport between photosystem II and photosystem I
3.8 Photosystem I reduces NADP
3.9 In the absence of other acceptors electrons can be transferred from PS I to oxygen
3.10 Regulatory processes control the distribution of the captured excitons between the two photosystems
4 ATP Generation by Photosynthesis
4.1 A proton gradient serves as an energy-rich intermediate state during ATP synthesis
4.2 The electrochemical proton gradient can be dissipated by uncouplers
4.3 H+-ATP synthases from bacteria, chloroplasts, and mitochondria have a common basic structure
4.4 The synthesis of ATP is effected by a conformational change of the protein
5 Mitochondria, the Power Stations of the Cell
5.1 Biological oxidation is preceded by substrate degradation
5.2 Mitochondria are the sites of cell respiration
5.3 Degradation of substrates for biological oxidation takes place in the matrix compartment
5.4 How much energy can be gained by the oxidation of NADH?
5.5 The mitochondrial respiratory chain shares common features with the photosynthetic electron transport chain
5.6 Electron transport of the respiratory chain is coupled via proton transport to the synthesis of ATP
5.7 Plant mitochondria have special metabolic functions
5.8 Compartmentalization of mitochondrial metabolism requires specific membrane translocators
6 Photosythetic CO2 Assimilation by the Calvin Cycle
6.1 CO2 assimilation proceeds via the dark reaction of photosynthesis
6.2 Ribulose bisphosphate carboxylase catalyzes the fixation of CO2
6.3 The reduction of 3-phosphoglycerate yields triose phosphate
6.4 Ribulose bisphosphate is regenerated from triose phosphate
6.5 Besides the reductive pentose phosphate pathway there is also an oxidative pentose phosphate pathway
6.6 Reductive and oxidative pentose phosphate pathways