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The effects of biotic and abiotic stresses on changes in amino acids and polyamine levels in Satsuma orange (Citrus unshiu; cultivar Owari) leaves were investigated. Asian citrus psyllids Diaphorina citri (Kuwayama) (ACP) infestation was used to induce biotic stress while a water deficit was imposed
Flavonols are produced by the desaturation of flavanols catalyzed by flavonol synthase. The enzyme belongs to the class of intermolecular dioxygenases which depend on molecular oxygen and FeII/2-oxoglutarate for activity, and have been in focus of structural studies recently. Flavonol synthase cDNAs
To validate the suitability of synephrine, known to be a highly abundant alkaloid in oranges, as a dietary biomarker for orange consumption, a highly sensitive and robust stable isotope dilution analysis (SIDA) as well as an ECHO method, using the analyte itself as a pseudointernal standard injected
Citrus ( Citrus unshiu Marcov.) dehydrin in response to chilling stress was overexpressed in tobacco ( Nicotiana tabacum L.), and the cold stress tolerance of transgenics at low temperature was analyzed. The freezing at -4 degrees C for 3 h of 24 independent lines indicated that a phenotype
To clarify the mechanism of fruit disease resistance activated by sweating treatment, 'Guoqing NO.1' Satsuma mandarin (Citrus unshiu Marc.) fruits were treated by sweating, which is a traditional prestorage treatment in China. Subsequently, we performed inoculation and physiological
The influence of arbuscular mycorrhizal (AM) fungus Glomus versiforme on plant growth, osmotic adjustment and photosynthesis of tangerine (Citrus tangerine) were studied in potted culture under well-watered and water stress conditions. Seven-day-old seedlings of tangerine were transferred to pots