UDP-Glucose-Dependent Sucrose Translocation in Tonoplast Vesicles from Stalk Tissue of Sugarcane | Zendy

Andrew Maretzki | Zendy; Margaret Thom | Zendy

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UDP-Glucose-Dependent Sucrose Translocation in Tonoplast Vesicles from Stalk Tissue of Sugarcane

Author(s) -

Andrew Maretzki,

Margaret Thom

Publication year - 1987

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.83.2.235

Subject(s) - sucrose , invertase , vesicle , hexose , uridine diphosphate glucose , stalk , vacuole , biochemistry , chemistry , hydrolysis , biology , membrane , enzyme , cytoplasm , horticulture

Tonoplast vesicles isolated from stalk parenchyma tissue of sugarcane plants transport sucrose via a uridine diphosphate glucose (UDPGlc)-dependent group translocator. No sucrose transport via an ATP-dependent system could be detected. The products of UDPGlc uptake in the vesicles were sucrose and sucrose phosphate which, upon hydrolysis with alkaline phosphatase and invertase, showed that both hexose moieties are derived from UDPGlc.

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