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The bacterial biocontrol agent Paenibacillus alvei K165 confers inherited resistance against Verticillium dahliae
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Gkizi, Danai, González Gil, Anna, Pardal , Alonso Javier, Piquerez, Sophie J., Sergaki, Chrysi, Ntoukakis, Vardis and Tjamos, Sotirios E. (2021) The bacterial biocontrol agent Paenibacillus alvei K165 confers inherited resistance against Verticillium dahliae. Journal of Experimental Botany, 72 (12). pp. 4565-4576. doi:10.1093/jxb/erab154 ISSN 0022-0957.
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Official URL: https://doi.org/10.1093/jxb/erab154
Abstract
The biocontrol agent Paenibacillus alvei K165 was previously shown to protect Arabidopsis thaliana plants against Verticillium dahliae. Here we show that K165 also confers inherited immune resistance against V. dahliae. By performing a histone acetyltransferases mutant screen, ChIP-assays and transcriptomic experiments we were able to show that histone acetylation significantly contributes to the K165 biocontrol activity and establishment of inheritable resistance against V. dahliae. K165 treatment primed the expression of immune-related marker genes and the cinnamyl alcohol dehydrogenases CAD3 through the function of histone acetyltransferases. Our results reveal that offspring of plants treated with K165 have primed immunity and enhanced lignification both contributing towards the K165-mediated inherited immune resistance. Thus, our study paves that way for the use of biocontrol agents for the establishment of inheritable resistance against agronomically important pathogens.
| Item Type: | Journal Article | ||||||||
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| Divisions: | Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- ) | ||||||||
| Journal or Publication Title: | Journal of Experimental Botany | ||||||||
| Publisher: | OUP | ||||||||
| ISSN: | 0022-0957 | ||||||||
| Official Date: | 28 May 2021 | ||||||||
| Dates: |
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| Volume: | 72 | ||||||||
| Number: | 12 | ||||||||
| Page Range: | pp. 4565-4576 | ||||||||
| DOI: | 10.1093/jxb/erab154 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Reuse Statement (publisher, data, author rights): | This is a pre-copyedited, author-produced version of an article accepted for publication in Journal of Experimental Botany following peer review. The version of record Danai Gkizi, Anna González Gil, Alonso J Pardal, Sophie J M Piquerez, Chrysi Sergaki, Vardis Ntoukakis, Sotirios E Tjamos, The bacterial biocontrol agent Paenibacillus alvei K165 confers inherited resistance against Verticillium dahliae, Journal of Experimental Botany, 2021;, erab154,] is available online at: https://doi.org/10.1093/jxb/erab154 | ||||||||
| Access rights to Published version: | Open Access (Creative Commons) | ||||||||
| Date of first compliant deposit: | 1 April 2021 | ||||||||
| Date of first compliant Open Access: | 2 August 2021 | ||||||||
| Is Part Of: | 1 | ||||||||
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