RT journal article T1 The Sesquiterpene Synthase from the Botrydial Biosynthetic Gene Cluster of the Phytopathogen Botrytis cinerea A1 Pinedo Rivilla, Cristina A1 González Collado, Isidro A1 Wang, Chieh-Mei A1 Pradier, Jean-Marc A1 Dalmais, Bérengère A1 Choquer, Mathias A1 Le Pêcheur, Pascal A1 Morgant, Guillaume A1 Cane, David A1 Viaud, Muriel A2 Química Orgánica K1 botrytis K1 gen AB The fungus Botrytis cinerea is the causal agent of the economicallyimportant gray mold disease that affects more than 200 ornamental and agriculturallyimportant plant species. B. cinerea is a necrotrophic plant pathogen that secretesnonspecific phytotoxins, including the sesquiterpene botrydial and thepolyketide botcinic acid. The region surrounding the previously characterizedBcBOT1 gene has now been identified as the botrydial biosynthetic gene cluster.Five genes including BcBOT1 and BcBOT2 were shown by quantitative reversetranscription-PCR to be co-regulated through the calcineurin signaling pathway. Inactivationof the BcBOT2 gene, encoding a putative sesquiterpene cyclase, abolishedbotrydial biosynthesis, which could be restored by in trans complementation.Inactivation of BcBOT2 also resulted in overproduction of botcinic acid thatwas observed to be strain-dependent. Recombinant BcBOT2 protein convertedfarnesyl diphosphate to the parent sesquiterpene of the botrydial biosyntheticpathway, the tricyclic alcohol presilphiperfolan-8 -ol. PB American Chemical Society SN 1554-8929 YR 2008 FD 2008-11-26T00:00:00Z LK http://hdl.handle.net/10498/17355 UL http://hdl.handle.net/10498/17355 LA eng DS Repositorio Institucional de la Universidad de Cádiz RD 12-nov-2026