NDLI: Molecular convergence of the parasitic plant species Cuscuta reflexa and Phelipanche aegyptiaca

Content Provider	Springer Nature Link
Author	Rehker, Jan Lachnit, Magdalena Kaldenhoff, Ralf
Copyright Year	2012
Abstract	The parasitic plant species Cuscuta reflexa and Phelipanche aegyptiaca have independently developed parasitism, the former parasitizing on shoots and the latter attaching to roots. Regardless of these differences, the two species use similar organs, termed haustoria, to attach to the host plant. In this study, we show that this morphological similarity can be extended to the molecular level. An attAGP-promoter from Solanum lycopersicum, which is activated by Cuscuta infections, was also induced after infection by P. aegyptiaca. Furthermore, we show by validation of transcriptome sequencing data that the Phelipanche orthologue of a haustorium-specific Cuscuta gene, which codes for a cysteine proteinase, was activated in the early stages of Phelipanche invasion. Inhibition of the Phelipanche cysteine proteinase was achieved by 35S- or attAGP-promoter-driven expression of its intrinsic inhibitory polypeptide. A reduction in P. aegyptiaca infection rates during experiments in flower pots and in an in vitro polybag system in comparison to controls was recorded.
Starting Page	557
Ending Page	566
Page Count	10
File Format	PDF
ISSN	00320935
Journal	Planta
Volume Number	236
Issue Number	2
e-ISSN	14322048
Language	English
Publisher	Springer-Verlag
Publisher Date	2012-03-30
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Arabinogalactan protein Cuscuta Cysteine proteinase Parasitic Plant Genome Project Parasitic plants Phelipanche Forestry Ecology Plant Sciences Agriculture
Content Type	Text
Resource Type	Article
Subject	Genetics Plant Science

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