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Genetics and Molecular Biology

Print version ISSN 1415-4757On-line version ISSN 1678-4685


DORNELAS, Marcelo Carnier  and  MAZZAFERA, Paulo. A genomic approach to characterization of the Citrus terpene synthase gene family. Genet. Mol. Biol. [online]. 2007, vol.30, n.3, suppl., pp.832-840. ISSN 1415-4757.

Terpenes are a very large and structurally diverse group of secondary metabolites which are abundant in many essential oils, resins and floral scents. Additionally, some terpenes have roles as phytoalexins in plant-pathogen relationships, allelopathic inhibitors in plant-plant interactions, or as airborne molecules of plant-herbivore multitrophic signaling. Thus the elucidation of the biochemistry and molecular genetics of terpenoid biosynthesis has paramount importance in any crop species. With this aim, we searched the CitEST database for clusters of expressed sequence tags (ESTs) coding for terpene synthases. Herein is a report on the identification and in silico characterization of 49 putative members of the terpene synthase family in diverse Citrus species. The expression patterns and the possible physiological roles of the identified sequences are also discussed.

Keywords : secondary metabolism; flavor; aroma; plant protection; terpene synthesis.

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