l-Ascorbic Acid Biosynthesis in Ochromonas danica | Zendy

J. P. F. G. Helsper | Zendy; Lea Kagan | Zendy; Coral L. Hilby | Zendy; Tracy M. Maynard | Zendy; Frank A. Loewus | Zendy

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l-Ascorbic Acid Biosynthesis in Ochromonas danica

Author(s) -

J. P. F. G. Helsper,

Lea Kagan,

Coral L. Hilby,

Tracy M. Maynard,

Frank A. Loewus

Publication year - 1982

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.69.2.465

Subject(s) - ascorbic acid , biosynthesis , biochemistry , chemistry , biology , food science , enzyme

Ochromonas danica Pringsheim, a freshwater chrysomonad, converts d-glucose into l-ascorbic acid over a metabolic pathway that ;inverts' the carbon chain of the sugar. In this respect, l-ascorbic acid formation resembles that found in ascorbic acid-synthesizing animals. It differs from this process in that d-galacturonate and l-galactono-1,4-lactone, rather than d-glucuronate and l-gulono-1,4-lactone, enhance production of ascorbic acid and repress the incorporation of (14)C from d-[1-(14)C]glucose into ascorbic acid.

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