Abstract
Current disease resistance breeding, which is largely dependent on the exploitation of resistance genes in host plants, faces the serious challenges of rapidly evolving phytopathogens. The phyllosphere is the largest biological surface on Earth and an untapped reservoir of functional microbiomes. The phyllosphere microbiome has the potential to defend against plant diseases. However, the mechanisms of how the microbiota assemble and function in the phyllosphere remain largely elusive, and this restricts the exploitation of the targeted beneficial microbes in the field. Here we review the endogenous and exogenous cues impacting microbiota assembly in the phyllosphere and how the phyllosphere microbiota in turn facilitate the disease resistance of host plants. We further construct a holistic framework by integrating of holo-omics, genetic manipulation, culture-dependent characterization and emerging artificial intelligence techniques, such as deep learning, to engineer the phyllosphere microbiome for sustainable crop production.
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Acknowledgements
This study was supported by National Key R&D Program of China (2021YFE0113700), National Natural Science Foundation of China (32122074, U21A20219) and Strategic Research on ‘Plant Microbiome and Agroecosystem Health’ (2020ZL008, Cao Guangbiao High Science and Technology Foundation, Zhejiang University). Artwork was created in part using Figdraw (https://www.figdraw.com), and we also appreciate S. Chen (College of Biosystems Engineering and Food Science, Zhejiang University) for visualizing DL models.
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M.W., H.M. and C.Z. conceived the manuscript. M.W., C.Z. and H.M. wrote the manuscript. Y.L. provided critical suggestions and edited the section on deep learning.
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Zhan, C., Matsumoto, H., Liu, Y. et al. Pathways to engineering the phyllosphere microbiome for sustainable crop production. Nat Food 3, 997–1004 (2022). https://doi.org/10.1038/s43016-022-00636-2
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DOI: https://doi.org/10.1038/s43016-022-00636-2
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