The Contribution ofArabidopsisHomologs ofL -Gulono-1,4-lactone Oxidase to the Biosynthesis of Ascorbic Acid
Author(s) -
Takanori Maruta,
Yaka Ichikawa,
Takahiro Mieda,
Toru Takeda,
Masahiro Tamoi,
Yukinori Yabuta,
Takahiro Ishikawa,
Shigeru Shigeoka
Publication year - 2010
Publication title -
bioscience biotechnology and biochemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.509
H-Index - 116
eISSN - 1347-6947
pISSN - 0916-8451
DOI - 10.1271/bbb.100157
Subject(s) - ascorbic acid , arabidopsis , oxidase test , transgene , biosynthesis , biochemistry , chemistry , enzyme , gene , food science , mutant
To clarify the involvement of seven Arabidopsis homologs of rat L-gulono-1,4-lactone (L-GulL) oxidase, AtGulLOs, in the biosynthesis of L-ascorbic acid (AsA), transgenic tobacco cells overexpressing the various AtGulLOs were generated. Under treatment with L-GulL, the levels of total AsA in three transgenic tobacco cell lines, overexpressing AtGulLO2, 3, or 5, were significantly increased as compared with those in control cells.
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