| Title | Effects of jasmonic acid signalling on the wheat microbiome differ between body sites |
| Publication Type | Journal Article |
| Year of Publication | 2017 |
| Authors | Liu H.W, Carvalhais L.C, Schenk P.M, Dennis P.G |
| Journal | Scientific Reports |
| Volume | 7 |
| Pagination | 8 |
| Date Published | Jan |
| Type of Article | Article |
| ISBN Number | 2045-2322 |
| Accession Number | WOS:000392922900001 |
| Keywords | arabidopsis-thaliana, biocontrol, defense, diversity, endophytic bacteria, methyl jasmonate, plant-growth promotion, rhizosphere, root-growth, Science & Technology - Other Topics, soil |
| Abstract | Jasmonic acid (JA) signalling helps plants to defend themselves against necrotrophic pathogens and herbivorous insects and has been shown to influence the root microbiome of Arabidopsis thaliana. In this study, we determined whether JA signalling influences the diversity and functioning of the wheat (Triticum aestivum) microbiome and whether these effects are specific to particular parts of the plant. Activation of the JA pathway was achieved via exogenous application of methyl jasmonate and was confirmed by significant increases in the abundance of 10 JA-signalling-related gene transcripts. Phylogenetic marker gene sequencing revealed that JA signalling reduced the diversity and changed the composition of root endophytic but not shoot endophytic or rhizosphere bacterial communities. The total enzymatic activity and substrate utilisation profiles of rhizosphere bacterial communities were not affected by JA signalling. Our findings indicate that the effects of JA signalling on the wheat microbiome are specific to individual plant compartments.
|
| Short Title | Sci RepSci Rep |
| Alternate Journal | Sci Rep |
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Liu, Hongwei Carvalhais, Lilia C. Schenk, Peer M. Dennis, Paul G.
China Scholarship Council (CSC); Australian Research Council [DP1094749]
H.L. gratefully acknowledges the financial support from China Scholarship Council (CSC). The authors wish to thank the Australian Research Council for financial support (DP1094749). The authors also thank Dr Mark Dieters for providing the wheat seeds, and Miss Anna Balzer and Dr Yash Dang for helping with the soil collection from Condamine, Australia.
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