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Silencing Genes in Arabidopsis Downy Mildew Using Exogenously Applied Small RNAs

Tör, M., Bilir, Ozlem, Telli, Osman, John, Simon, Norman, Chris, Budak, H. and Hong, Yiguo (2019) Silencing Genes in Arabidopsis Downy Mildew Using Exogenously Applied Small RNAs. In: IS-MPMI XVIII Congress Annual Meeting, 14th - 16th July 2019, Glasgow, Scotland. (Unpublished)

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Abstract

The interaction between Arabidopsis thaliana and diploid biotrophic oomycete Hyaloperonospora arabidopsidis (Hpa) has been a model for investigating plant-pathogen systems. Several R-genes conferring resistance to Hpa and signalling genes playing a role in the immune system have been cloned from Arabidopsis. Similarly, several effectors from Hpa that are recognized by the cloned R-genes have been identified and investigated. Although a vast amount of resources including mutant lines for Arabidopsis exist, lack of genetic manipulation methods for Hpa has hampered studies on pathogenicity related genes. This, in turn, has hindered the discovery of Hpa genes that are involved in spore germination, appressorium, haustorium and conidiophore development. We investigated whether the exogenous application of small RNAs, known as spray-induced gene silencing (SIGS), could silence selected target genes in Hpa. We showed that it is possible to use single or double stranded sRNAs to silence these targeted genes. The latest findings will be presented.

Item Type: Conference or Workshop Item (Poster)
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Uncontrolled Keywords: plant-pathogen systems, spray-induced gene silencing, SIGS, Arabidopsis
Subjects: Q Science > Q Science (General)
Divisions: Divisions (2019 and before) > Academic Departments > Institute of Science and the Environment
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Depositing User: Mahmut Tor
Date Deposited: 22 Aug 2019 08:34
Last Modified: 04 Oct 2019 08:17
URI: https://eprints.worc.ac.uk/id/eprint/8559

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