Overexpression of the enzyme p-hydroxyphenolpyruvate dioxygenase in Arabidopsis and its relation to tocopherol biosynthesis

@inproceedings{Tsegaye2002OverexpressionOT,
  title={Overexpression of the enzyme p-hydroxyphenolpyruvate dioxygenase in Arabidopsis and its relation to tocopherol biosynthesis},
  author={Yoseph Tsegaye and David K. Shintani and Dean DellaPenna},
  year={2002}
}
Abstract The enzyme p -hydroxyphenylpyruvate dioxygenase (HPPD) catalyzes the conversion of p -hydroxyphenylpyruvate to homogentisic acid (HGA), the aromatic precursor for the biosynthesis of vitamin E (α-tocopherol) and plastoquinone. In order to determine if increased HPPD activity could positively impact tocopherol yields, transgenic plants were generated that overexpressed the gene encoding Arabidopsis HPPD. Transgenic plants exhibiting high levels of HPPD expression were identified by… CONTINUE READING

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