Ascorbate Biosynthesis in Arabidopsis Cell Suspension Culture | Zendy

Mark W. Davey | Zendy; Christophe Gilot | Zendy; Geert Persiau | Zendy; Jens Østergaard | Zendy; Yu Han | Zendy; Guy Bauw | Zendy; Marc C. Van Montagu | Zendy

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Ascorbate Biosynthesis in Arabidopsis Cell Suspension Culture

Author(s) -

Mark W. Davey,

Christophe Gilot,

Geert Persiau,

Jens Østergaard,

Yu Han,

Guy Bauw,

Marc C. Van Montagu

Publication year - 1999

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.121.2.535

Subject(s) - arabidopsis , suspension culture , biosynthesis , chemistry , suspension (topology) , biochemistry , cell culture , plant cell , microbiology and biotechnology , biology , gene , genetics , mutant , mathematics , homotopy , pure mathematics

The biosynthesis of L-ascorbic acid (L-AA) in an Arabidopsis (L.) Heynh. cell suspension culture was studied by quantifying the effects of incubation with a range of potential biosynthetic precursors, analogs, and inhibitors on the intracellular levels of reduced and oxidized forms of L-AA. Our results support the recently published biosynthetic pathway of L-AA from L-galactose (G.L. Wheeler, M.A. Jones, N. Smirnoff [1998] Nature 393: 365-369), but suggest that Arabidopsis cell suspension culture simultaneously contains two other routes leading to L-AA. The possible physiological significance of these alternate routes is discussed.

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