Increasing flavonoid concentrations in root exudates enhance associations between arbuscular mycorrhizal fungi and an invasive plant

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dc.citation.firstpage1919en_US
dc.citation.journalTitleThe ISME Journalen_US
dc.citation.lastpage1930en_US
dc.citation.volumeNumber15en_US
dc.contributor.authorTian, Baoliangen_US
dc.contributor.authorPei, Yingchunen_US
dc.contributor.authorHuang, Weien_US
dc.contributor.authorDing, Jianqingen_US
dc.contributor.authorSiemann, Evanen_US
dc.date.accessioned2021-07-15T21:23:51Zen_US
dc.date.available2021-07-15T21:23:51Zen_US
dc.date.issued2021en_US
dc.description.abstractMany invasive plants have enhanced mutualistic arbuscular mycorrhizal (AM) fungal associations, however, mechanisms underlying differences in AM fungal associations between introduced and native populations of invasive plants have not been explored. Here we test the hypothesis that variation in root exudate chemicals in invasive populations affects AM fungal colonization and then impacts plant performance. We examined flavonoids (quercetin and quercitrin) in root exudates of native and introduced populations of the invasive plant Triadica sebifera and tested their effects on AM fungi and plant performance. We found that plants from introduced populations had higher concentrations of quercetin in root exudates, greater AM fungal colonization and higher biomass. Applying root exudates more strongly increased AM fungal colonization of target plants and AM fungal spore germination when exudate donors were from introduced populations. The role of root exudate chemicals was further confirmed by decreased AM fungal colonization when activated charcoal was added into soil. Moreover, addition of quercetin into soil increased AM fungal colonization, indicating quercetin might be a key chemical signal stimulating AM fungal associations. Together these results suggest genetic differences in root exudate flavonoids play an important role in enhancing AM fungal associations and invasive plants’ performance, thus considering root exudate chemicals is critical to unveiling mechanisms governing shifting plant-soil microbe interactions during plant invasions.en_US
dc.identifier.citationTian, Baoliang, Pei, Yingchun, Huang, Wei, et al.. "Increasing flavonoid concentrations in root exudates enhance associations between arbuscular mycorrhizal fungi and an invasive plant." <i>The ISME Journal,</i> 15, (2021) Springer Nature: 1919-1930. https://doi.org/10.1038/s41396-021-00894-1.en_US
dc.identifier.digitals41396-021-00894-1en_US
dc.identifier.doihttps://doi.org/10.1038/s41396-021-00894-1en_US
dc.identifier.urihttps://hdl.handle.net/1911/111026en_US
dc.language.isoengen_US
dc.publisherSpringer Natureen_US
dc.rightsThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder.en_US
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en_US
dc.titleIncreasing flavonoid concentrations in root exudates enhance associations between arbuscular mycorrhizal fungi and an invasive planten_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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