Identification of an elicitin gene cluster in Phytophthora cinnamomi

Duclos, J.; Fauconnier, A.; Coelho, A. C.; Bollen, A.; Cravador, A.; Godfroid, Edmond

http://hdl.handle.net/10400.1/1233

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Abstract(s)

Elicitins are a group of highly conserved proteins secreted by species of Phytophthora and a species of the related genus Pythium, Pythium vexans. Some of these proteins act as inducers of the necrotic hypersensitive-like response and the associated systemic acquired resistance phenomenon, in some species. We cloned and characterised the cinnamomin-beta and -alpha genes and two related elicitin genes from Phytophthora cinnamomi. These four open reading frames (ORFs) are clustered in tandem pairs. Two out of these four genes present homologies with the basic and acidic elicitin groups; but the two others encode, if expressed, elicitin isoforms exhibiting homologies with the class II of highly acidic elicitins.

Keywords

Cinnamomin Elicitins Transcription site promoter Fungi Oomycete

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http://hdl.handle.net/10400.1/1233

Citation

Duclos, J.; Fauconnier, A.; Coelho, A. C.; Bollen, Alex; Cravador, Alfredo; Godfroid, Edmond. Identification of an elicitin gene cluster in Phytophthora cinnamomi, DNA Sequence. The Journal of DNA Mapping, Sequencing, and Analysis, 9, 67, 231-237, 1998.