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Gene Review

pds  -  phytoene desaturase

Solanum lycopersicum

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Disease relevance of pds


High impact information on pds


Biological context of pds

  • An increase in gene expression was observed before the return to light for pds and zds (when carotenoid levels were at their lowest), or following the return to light for ptox [5].

Associations of pds with chemical compounds

  • This result suggests that one polypeptide, the product of the pds gene, can carry out phytoene desaturation in the carotenoid biosynthetic pathway [1].
  • The phytoene desaturation inhibitor norflurazon leads to a decrease coloured carotenoid content and, in the light, this correlated with pds and zds gene induction [5].


  1. A single polypeptide catalyzing the conversion of phytoene to zeta-carotene is transcriptionally regulated during tomato fruit ripening. Pecker, I., Chamovitz, D., Linden, H., Sandmann, G., Hirschberg, J. Proc. Natl. Acad. Sci. U.S.A. (1992) [Pubmed]
  2. Cloning and characterization of the cDNA for lycopene beta-cyclase from tomato reveals decrease in its expression during fruit ripening. Pecker, I., Gabbay, R., Cunningham, F.X., Hirschberg, J. Plant Mol. Biol. (1996) [Pubmed]
  3. Regulation of carotenoid biosynthesis during tomato development. Giuliano, G., Bartley, G.E., Scolnik, P.A. Plant Cell (1993) [Pubmed]
  4. Cloning and characterization of the gene for phytoene desaturase (Pds) from tomato (Lycopersicon esculentum). Mann, V., Pecker, I., Hirschberg, J. Plant Mol. Biol. (1994) [Pubmed]
  5. Comparison of carotenoid content, gene expression and enzyme levels in tomato (Lycopersicon esculentum) leaves. Simkin, A.J., Labouré, A.M., Kuntz, M., Sandmann, G. Z. Naturforsch., C, J. Biosci. (2003) [Pubmed]
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