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Theprodutionofsucrosetakesplaceinplants,tostoreenergyproducedduringphotosynthesis.Theextractionofsucrosefromplantslikesugarcaneandsugarbeetsisusedtoproducesugarforconsumption,makingthispathwayofsignificanteconomicinterest.Thestartingpointforsucrosesynthesisisactivatedglucose,UDP-glucose.Thesynthesisofdisaccharidesingeneraltakesplacethroughamonosaccharideintermediateactivatedbytheadditionofanucleotidegroup.UDP-glucoseusedinsucrosesynthesisisderivedfromglucose-1-phosphate,whichisitselfderivedfromphotosyntheticproducts.Thefructose-6-phosphateinvolvedinsucrosesynthesisisalsoderivedfromphotosyntheticproducts.Theenzymesucrose6-phosphatesynthaseisregulatedinseveralways.Glucose-6-phosphateactivatesthisenzyme,anddephosphorylationofthisenzymeinlightalsoactivatessucrose6-phosphatesynthase,coordinatingsucrosesynthesiswithphotosynthesis. Contributor: REFERENCES: