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  • 1
    Electronic Resource
    Electronic Resource
    Synthèse et hydrolyse du saccharose dans l'œillet alimenté avec une solution glucosée (1982)
    Oxford, UK : Blackwell Publishing Ltd
    Physiologia plantarum 56 (1982), S. 0 
    Details
    ISSN: 1399-3054
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Sucrose synthesis and sucrose hydrolysis in cut carnations (Dianthus caryophyllus) supplied with glucose solution.Sucrose synthesis and hydrolysis in cut carnations supplied with a glucose solution have been investigated using both entire floral branches and floral branches without any of their organs (petals, non-petaloid pieces, leaves) and isolated organs. – The flower is a more active sink that the leaves. The transformationn of glucose into sucrose is essential for the ability of the flower to use the exogenous glucose. All organs of the floral branch (petals, ovaries and sepals, leaves, stem) are able to form sucrose. The hydrolysis of the obtained sucrose occurs nearly exclusively in the petals.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1399-3054.1982.tb00345.x
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  • 2
    Electronic Resource
    Electronic Resource
    Influence ?une alimentation continue avec une solution glucosée sur ľévolution des glucides et des protéines dans les divers organes de la rose coupée (Rosa hybrida cv. Carina) (1980)
    Oxford, UK : Blackwell Publishing Ltd
    Physiologia plantarum 49 (1980), S. 0 
    Details
    ISSN: 1399-3054
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Influence of continuous supply with a solution of glucose on the changes in the content of soluble sugars and proteins in various organs of the cut rose (Rosa hybrida cv. Carina).Exogenous glucose continuously supplied to the cut rose is immediately converted into saccharose in the stem tissues. This saccharose migrates to the flower, where it is immediately hyd-rolysed, and to the leaves where its hydrolysis occurs more slowly. The reducing sugars resulting from the hydrolysis of saccharose in the flower and, therefore, possibly from the hydrolysis of saccharose in leaves, induce a large accumulation of hexoses (glucose and fructose) in the flower. The protein content does not depend on the level of reducing sugars in the flower.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1399-3054.1980.tb08646.x
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  • 3
    Electronic Resource
    Electronic Resource
    Changes in polar lipids during ripening and senescence of cherry tomato (Lycopersicon esculentum): Relation to climacteric and ethylene increases (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Physiologia plantarum 77 (1989), S. 0 
    Details
    ISSN: 1399-3054
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The entire senescence period, including ripening, is characterized in cherry tomato (Lycopersicon esculentum Mill. var. cerasiforme Alef.) by two successive changes in overall polar lipid content. The rise in respiration of the fruit in the climacteric phase is accompanied by a large increase in lipids, notably phospholipids, such as phosphatidylcholine and phosphatidic acid. This suggests the coexistence of anabolic and catabolic processes in this first period. At the degreening stage of the fruit, decreased levels of monogalactosyldiacylglycerol and the disappearance of trigalactosyldiacylglycerol may indicate some degradation of the chloroplast compartment. Following a respiratory upsurge, a sudden breakdown of total lipids occurs concomitantly with maximal ethylene production. This breakdown is essentially caused by a parallel decrease in the amounts of phosphatidylcholine, phosphatidylethanolamine, phosphatidic acid and also phosphatidylglycerol. However, in the cherry tomato, lipid peroxidation, evaluated by alteration of fatty acid distribution, seems insufficient to account for the ethylene peak.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1399-3054.1989.tb05662.x
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  • 4
    Electronic Resource
    Electronic Resource
    Changes in activities of superoxide dismutases during aging of petals of cut carnations (Dianthus caryophyllus) (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Physiologia plantarum 76 (1989), S. 0 
    Details
    ISSN: 1399-3054
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Between the end of blooming and the withering of petals of cut carnations (Dianthus caryophyllus L. cv. Ember), the total superoxide dismutase activity decreased. The three forms of superoxide dismutase (Cu, Zn-SOD, Fe-SOD and Mn-SOD. EC1. 15. 1. 1) identified on polyacrylamide gel exhibited several isozymes, the activities of which decreased sooner or later during aging. The important activity of the Mn-SOD decreased at the beginning of withering to become undetectable, while the weak activity of Fe-SODs declined only at the end of withering. It is suggested that the localization of SODs in the cell may explain these differences. Hypothesis are proposed to understand the decreased activity of SODs during aging.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1399-3054.1989.tb05624.x
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  • 5
    Electronic Resource
    Electronic Resource
    Effect of oxygen concentration on the senescence and energy metabolism of cut carnation flowers (1988)
    Oxford, UK : Blackwell Publishing Ltd
    Physiologia plantarum 73 (1988), S. 0 
    Details
    ISSN: 1399-3054
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The effect of O2 concentration on energy metabolism and senescence has been studied in cut flowers of Dianthus caryophyllus L. cv. Scania. As compared to the control (21% O2), 5% O2 delays flower senescence as well as decay of nucleotide level and AEC (adenylate energy charge). An atmosphere of 100% O2 accelerates senescence as well as the decrease of nucleotide level and AEC. While anoxia brings about a faster decrease of ATP and AEC than of total nucleotides, hyperoxia brings about a faster decrease in adenyl nucleotides than in ATP and AEC values. Petal oxygen uptake is over 90% of the maximal value under 4% O2 and saturates at 10% O2. The development of senescence is dicussed as a two phase process (first phase-progressive and second phase-catastrophic) triggered by the action of hyperoxia, first on the system for energy utilization and later on the system for energy production, the degradation of which seems to be linked with increase in membrane permeability and withering.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1399-3054.1988.tb00613.x
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  • 6
    Electronic Resource
    Electronic Resource
    The senescence of cut carnations: A phasic phenomenon (1984)
    Oxford, UK : Blackwell Publishing Ltd
    Physiologia plantarum 60 (1984), S. 0 
    Details
    ISSN: 1399-3054
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Senescence in carnations (Dianthus caryophyllus L. cv. Scania) comprises two phases. The first phase is characterized by active proteolysis and a moderate exudation of electrolytes. These changes are apparently reversible. Exogeneous glucose prolongs this phase. The second phase is preceded by a burst of ethylene, and rapidly leads to death. The changes observed, primarly in membrane permeability and proteolysis, are under the control of a process whose mechanism remains unknown, but which is marked at the cellular level by a lack of energy. Some phenomena of the senescence syndrome can be detected at the time of flower opening, so that withering is only the last phase of an aging process that begins very early.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1399-3054.1984.tb04568.x
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  • 7
    Electronic Resource
    Electronic Resource
    Identification of different classes of superoxide dismutase in carnation petals (1989)
    Weinheim : Wiley-Blackwell
    Electrophoresis 10 (1989), S. 46-48 
    Details
    ISSN: 0173-0835
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Isoelectric focusing and nondenaturing two-dimensional electrophoresis, followed by an enzymatic characterization involving use of specific inhibitors were applied to identify the different forms of the superoxide dismutase (SOD) extracted from petals of cut carnation. Electrophoresis was carried out either with the crude extract or with fractions obtained after ion exchange chromatography of the extract. Three forms of the SOD were identified (Cu, Zn-SOD, Fe-SOD and Mn-SOD). They have close pI's (4.7 to 4.9) and most of them are composed of several isoforms.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/elps.1150100111
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