Age- and Organ-Specific Differences of Potato (Solanum phureja) Plants Metabolome
Potato Solanum phureja Juz. & Bukasov crop species' metobolome at the flowering stage includes 234 compounds, 117 of which were identified. The most represented group among them contains sugars and their derivatives that are in accordance with intensive carbohydrate exchange of potato tissues and organs. Young leaves and developing reproductive organs are characterized by a wide spectrum of organic and amino acids, nitrogen-containing compounds, and lipids as well as compounds of secondary metabolism that may indicate the intensity of metabolic processes and the formation of defense mechanisms. Depletion of metabolites’ profile in senescent leaves agrees with the idea of weakening synthetic processes in them and the onset of metabolites’ outflow to new forming attracting potato organs. Specificity of metabolic profiles, which corresponds to age and physiological status of potato organ or tissue, was revealed.
KeywordsSolanum phureja metabolome metabolite profile gas chromatography coupled with mass-spectrometry (GC-MS)
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