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Expression of cinnamyl alcohol dehydrogenases and their putative homologues during Arabidopsis thaliana growth and development: Lessons for database annotations?

Sung-Jin Kim, Kye-Won Kim, Man-Ho Cho, Vincent R Franceschi, Laurence B Davin, and Norman G Lewis

Phytochemistry 68(14):18 (2007) PMID 17467016

Comprehensive examination of expression data for the putative nine-membered cinnamyl alcohol dehydrogenase gene family in Arabidopsis is described: AtCAD4 (At3g19450), AtCAD5 (At4g34230), AtCAD7 (At4g37980) and AtCAD8 (At4g37990) had patterns consistent with a role in lignification, whereas AtCAD2 (At2g21730) and AtCAD3 (At2g21890) did not. AtCAD1 (At1g72680), AtCAD6 (At4g37970) and AtCAD9 (At4g39330) were also expressed in lignifying tissues, but their biochemical functions remain unknown. The recent annotation of some of these genes as probable mannitol dehydrogenases (i.e. AtCAD2, 3 and 6-9) should be discontinued at this point.

DOI: 10.1016/j.phytochem.2007.02.032
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