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  • 1-aminocyclopropane-1-carboxylic acid  (1)
  • Lupinus (auxin, isoperoxidase)  (1)
  • 1990-1994  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Indole-3-methanol is the main product of the oxidation of indole-3-acetic acid catalyzed by two cytosolic basic isoperoxidases from Lupinus (1990)
    Springer
    Planta 181 (1990), S. 448-450 
    Details
    ISSN: 1432-2048
    Keywords: Auxin catabolism ; Cytosol (isoperoxidase) ; Indole-3-methanol ; Isoperoxidase, basic ; Lupinus (auxin, isoperoxidase) ; Parenchyma (auxin, isoperoxidase)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The nature of the products of the auxin catabolism mediated by both basic and acidic isoperoxidases has been studied. While indole-3-methanol is only a minor product of the oxidation of indole-3-acetic acid catalyzed by extracellular acidic isoperoxidases, it is the only product of the oxidation of indole-3-acetic acid catalyzed by two cytosolic basic isoperoxidases (EC 1.11.1.7) from lupin (Lupinus albus L.) hypocotyls. The putative indole-3-methanol formed by these latter isoperoxidases was isolated and then characterized by mass spectrometry and 1H-nuclear magnetic resonance spectrometry. These results are discussed with respect to the diversity and compartmentation of the catabolism of indole-3-acetic acid in plant tissues.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00195900
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  • 2
    Electronic Resource
    Electronic Resource
    Ethylene evolution during ripening of detached tomato fruit: Its relation with polyamine metabolism (1990)
    Springer
    Plant growth regulation 9 (1990), S. 89-96 
    Details
    ISSN: 1573-5087
    Keywords: 1-aminocyclopropane-1-carboxylic acid ; ethylene ; Lycopersicon esculentum ; polyamines ; ripening ; tomato
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Ethylene and polyamine metabolism, both sharing a common precursor, S-adenosylmethionine (SAM), were investigated during detached tomato (Lycopersicon esculentum Mill. nothovar F1 “Lorena”) fruit ripening. Putrescine (PUT) was found to be the major polyamine in the fruits, always over 100 nmols/g FW, while spermidine (SPD) was between 7% and 3% of the level of PUT. Spermine (SPM) was not detected at any stage of ripening. The level of PUT and SPD, did not change significantly during ripening in spite of the almost continuous synthesis of 1-aminocyclopropane-1-carboxylic acid (ACC), the ethylene precursor, and only at the last stage of ripening was a drastic decrease in SPD content observed. The results obtained show that the onset of ACC synthesis and its accumulation within the tissue is not a consequence of a decrease in SPD synthesis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00027436
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