Abstract:
:The flavor and taste of fruits are often determined by terpenes. We identified three cDNAs encoding putative terpene synthases from olive fruits of cv. Frantoio and Grignano. Heterologous expression in a bacterial system demonstrated that one of the terpene synthases, OeGES1, was an active monoterpene synthase that converted geranyl diphosphate to the monoterpene alcohol geraniol. The transcript accumulation pattern of this gene showed a peak during fruit ripening in both genotypes, indicating that the enzyme may be involved in the production of monoterpene flavor compounds in olive fruit. Although the putative terpene synthases OeTPS2 and OeTPS3 clustered with α-farnesene synthases and angiosperm monoterpene synthases, no detectable in vitro activity was found after expression in a bacterial system. Nevertheless, their transcripts sharply accumulated during fruit ripening starting from véraison.
journal_name
J Plant Physioljournal_title
Journal of plant physiologyauthors
Vezzaro A,Krause ST,Nonis A,Ramina A,Degenhardt J,Ruperti Bdoi
10.1016/j.jplph.2012.01.021subject
Has Abstractpub_date
2012-06-15 00:00:00pages
908-14issue
9eissn
0176-1617issn
1618-1328pii
S0176-1617(12)00105-8journal_volume
169pub_type
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