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  • 1
    Digitale Medien
    Digitale Medien
    Glycerolipid Synthesis: Biochemistry and Regulation (1991)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Plant Physiology and Plant Molecular Biology 42 (1991), S. 467-506 
    Details
    ISSN: 1040-2519
    Quelle: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Thema: Biologie
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1146/annurev.pp.42.060191.002343
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  • 2
    Digitale Medien
    Digitale Medien
    A dynamic model for photosynthesis by an aquatic plant, Egeria densa (1985)
    Oxford, UK : Blackwell Publishing Ltd
    Plant, cell & environment 8 (1985), S. 0 
    Details
    ISSN: 1365-3040
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Biologie
    Notizen: Abstract This paper describes a dynamic model for photosynthesis by an aquatic plant, Egeria densa. The model takes into account an HCO−3 pump, high diffusion resistances and PEP carboxylase, and develops a set of differential equations to form the time-dependent solutions for photosynthesis. The predicted changes in pH, [CO2]aq and total inorganic carbon are compared with experimental data and the model is found to describe the data.The model is then used to examine the effect of O2 on photosynthesis under these conditions, and shows that the increase in internal CO2 concentration due to the recycling of photorespiratory CO2 directly stimulates gross CO2 fixation and can more than compensate for the O2 inhibition of gross photosynthesis. The importance of the HCO−3 pump in O2 inhibition is also examined.The CO2 compensation point (where inorganic carbon influx and efflux are equal) is examined and the importance of the HCO−3 pump and PEP carboxylase in reducing the compensation concentration is discussed.The model was developed in order to study the photosynthesis of an aquatic weed, which will be reported in a later paper.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/1365-3040.ep11611677
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  • 3
    Digitale Medien
    Digitale Medien
    Cold comfort farm: the acclimation of plants to freezing temperatures (2000)
    Oxford, UK : Blackwell Science Ltd
    Plant, cell & environment 23 (2000), S. 0 
    Details
    ISSN: 1365-3040
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Biologie
    Notizen: Plant acclimation to freezing temperatures is very complex. Many temperate plants increase in freezing tolerance upon exposure to a period of low but non-freezing temperatures, an adaptive process known as cold acclimation. This acclimation phenomenon has encouraged investigations of physiological, biochemical, and molecular changes that are associated with the development of freezing tolerance. Although many biochemical and gene-expression changes occur during cold acclimation, few have been unequivocally demonstrated to contribute to the development of freezing tolerance. However, in the last few years, exciting new progress has been made through the use of mutational analysis and molecular genetic approaches. We now recognize that several interacting signal pathways are activated to bring about cold acclimation and ensure the winter survival of plants. The challenge for the future is to understand these pathways at a mechanistic level. Facile map-based cloning in Arabidopsis and techniques (such as DNA micro-arrays) for transcript profiling will provide the tools needed for this task.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1046/j.1365-3040.2000.00611.x
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  • 4
    Digitale Medien
    Digitale Medien
    Use of transgenic plants and mutants to study the regulation and function of lipid composition (1994)
    Oxford, UK : Blackwell Publishing Ltd
    Plant, cell & environment 17 (1994), S. 0 
    Details
    ISSN: 1365-3040
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Biologie
    Notizen: Mutants and transgenic plants with altered expression of genes implicated in lipid metabolism are providing fresh insights into the regulation and function of lipid composition. To date, several genes encoding fatty acid desaturases, acyltransferases, a thioesterase, a lipid transfer protein and an isoform of acyl-carrier protein have been introduced into transgenic plants. Despite the fact that some of these transgenic plants had large alterations in lipid composition, they showed surprisingly little phenotypic variation from wild-type plants. Although detailed analyses of these plants are just beginning, several theories regarding the roles of particular genes in various plant processes, such as cold tolerance and transfer of lipids between membranes, have been either substantiated or discarded on the basis of the data already obtained. In addition, constructs that contain the promoter regions of genes implicated in lipid metabolism fused to reporter genes have been introduced into transgenic plants and are providing some clues as to how lipid composition is regulated.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1365-3040.1994.tb00154.x
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  • 5
    Digitale Medien
    Digitale Medien
    Mutational analysis of chilling tolerance in plants (1997)
    Oxford, UK : Blackwell Publishing Ltd
    Plant, cell & environment 20 (1997), S. 0 
    Details
    ISSN: 1365-3040
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Biologie
    Notizen: A mutational approach was taken to identify genes required for low-temperature growth of the chilling-tolerant plant Arabidopsis thaliana. The screen identified mutants that were specifically compromised in their ability to grow at 5°C but were indistinguishable from wild type when grown at 22°C. The populations screened were mutated either by ethyl methanesulphonate or by T-DNA insertion. In both cases symptoms at 5°C included chlorosis, reduced growth, necrosis and death. This diversity of phenotypes demonstrates roles for chilling-tolerance responses in such diverse processes as organdie biogenesis, cell metabolism and cell and organ development. Co-segregation analysis on the first five mutants isolated from the T-DNA lines indicated that in three of them, pfc1, pfc2 and sop1, the chilling phenotype is the result of T-DNA insertion in a gene required for chilling tolerance rather than the creation of a temperature-conditional mutation in an essential housekeeping gene. This identification of T-DNA tagged alleles will facilitate cloning of the PFC1, PFC2 and SOP1 loci and allow for the biochemical and molecular genetic characterization of these chilling-tolerance genes and the proteins that they encode.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1046/j.1365-3040.1997.d01-38.x
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  • 6
    Digitale Medien
    Digitale Medien
    A preparation and purification of [1-^1^4C]acetylcarnitine
    Amsterdam : Elsevier
    Analytical Biochemistry 207 (1992), S. 106-108 
    Details
    ISSN: 0003-2697
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Biologie , Chemie und Pharmazie
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1016/0003-2697(92)90509-6
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  • 7
    Digitale Medien
    Digitale Medien
    The recombinant spinach acyl-acyl carrier protein-I expressed in Escherichia coli is the 18:1Δ11 (cis) thioester
    Amsterdam : Elsevier
    Archives of Biochemistry and Biophysics 271 (1989), S. 246-253 
    Details
    ISSN: 0003-9861
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Biologie , Chemie und Pharmazie , Physik
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1016/0003-9861(89)90275-0
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  • 8
    Digitale Medien
    Digitale Medien
    The effects of temperature and oxygen on the rates of fatty acid synthesis and oleate desaturation in safflower (Carthamus tinctorius) seed
    Amsterdam : Elsevier
    Biochimica et Biophysica Acta (BBA)/Lipids and Lipid Metabolism 753 (1983), S. 145-152 
    Details
    ISSN: 0005-2760
    Schlagwort(e): (Safflower) ; Activation energy ; Fatty acid synthesis ; Oleate desaturation ; Oxygen ; Temperature effect
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Biologie , Chemie und Pharmazie , Medizin , Physik
    Materialart: Digitale Medien
    URL: http://linkinghub.elsevier.com/retrieve/pii/0005-2760(83)90001-2
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  • 9
    Digitale Medien
    Digitale Medien
    Fatty acid composition of leaf lipids determined after combined digestion and fatty acid methyl ester formation from fresh tissue
    Amsterdam : Elsevier
    Analytical Biochemistry 152 (1986), S. 141-145 
    Details
    ISSN: 0003-2697
    Schlagwort(e): fatty acid methyl esters ; gas-liquid chromatography ; lipids
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Biologie , Chemie und Pharmazie
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1016/0003-2697(86)90132-6
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  • 10
    Digitale Medien
    Digitale Medien
    The genetics of plant lipids
    Amsterdam : Elsevier
    Biochimica et Biophysica Acta (BBA)/Lipids and Lipid Metabolism 1082 (1991), S. 1-26 
    Details
    ISSN: 0005-2760
    Schlagwort(e): Acyl carrier protein ; Lipid composition ; Lipid synthesis ; Plant lipid
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Biologie , Chemie und Pharmazie , Medizin , Physik
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1016/0005-2760(91)90294-R
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