Translocation of [14C]Sucrose in Wheat | Zendy

Nina L. Robinson | Zendy; John E. Hendrix | Zendy

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Translocation of [¹⁴C]Sucrose in Wheat

Author(s) -

Nina L. Robinson,

John E. Hendrix

Publication year - 1983

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.71.3.701

Subject(s) - sucrose , chromosomal translocation , hexose , phloem , hydrolysis , chemistry , moiety , botany , biochemistry , biology , stereochemistry , enzyme , gene

Flag leaves of wheat plants (Triticum aestivum L. em. Thell. cv ;Duke') were supplied with (14)C(glucosyl)sucrose. Translocated [(14)C]sucrose was isolated, then hydrolyzed. Label appeared in both the hexose moieties indicating that some randomization of label had occurred. However, near the radioactive front essentially all of the (14)C was in the glucose moiety, suggesting that randomization occurred after unloading, supporting the conclusion that sucrose was taken up intact by phloem and translocated unaltered.

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