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Gene Review

zds  -  zeta-carotene desaturase

Solanum lycopersicum

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High impact information on zds

  • Genomic analysis suggests the presence of a single gene in these organisms, the expression of which parallels phytoene desaturase and zeta-carotene desaturase gene expression during fruit ripening [1].
  • Results of qRT-PCR analysis suggested that transcription of PSY-1, PDS and ZDS genes were developmentally regulated in both genotypes [2].
  • In the dark, norflurazon treatment led to only a weak decrease in carotenoid content and only a small increase in pds and zds gene expression [3].
  • A decrease in the expression of several carotenogenic genes, namely pds, zds (carotenoid desaturases) and ptox (plastid terminal oxidase), was observed following the removal of the light (when carotenoid content is at its highest) [3].

Biological context of zds

  • 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 [3].

Associations of zds with chemical compounds


  1. A plastid terminal oxidase associated with carotenoid desaturation during chromoplast differentiation. Josse, E.M., Simkin, A.J., Gaffé, J., Labouré, A.M., Kuntz, M., Carol, P. Plant Physiol. (2000) [Pubmed]
  2. Agronomic performance and transcriptional analysis of carotenoid biosynthesis in fruits of transgenic HighCaro and control tomato lines under field conditions. Giorio, G., Stigliani, A.L., D'Ambrosio, C. Transgenic Res. (2007) [Pubmed]
  3. 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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