Elevated CO2 spurs reciprocal positive effects between a plant virus and an arbuscular mycorrhizal fungus
© 2013 The Authors. New Phytologist © 2013 New Phytologist Trust.
| Veröffentlicht in: | The New phytologist. - 1979. - 199(2013), 2 vom: 18. Juli, Seite 541-549 |
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| 1. Verfasser: | |
| Weitere Verfasser: | , , , |
| Format: | Online-Aufsatz |
| Sprache: | English |
| Veröffentlicht: |
2013
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| Zugriff auf das übergeordnete Werk: | The New phytologist |
| Schlagworte: | Journal Article Research Support, U.S. Gov't, Non-P.H.S. Carbon Dioxide 142M471B3J Phosphorus 27YLU75U4W |
| Zusammenfassung: | © 2013 The Authors. New Phytologist © 2013 New Phytologist Trust. Plants form ubiquitous associations with diverse microbes. These interactions range from parasitism to mutualism, depending partly on resource supplies that are being altered by global change. While many studies have considered the separate effects of pathogens and mutualists on their hosts, few studies have investigated interactions among microbial mutualists and pathogens in the context of global change. Using two wild grass species as model hosts, we grew individual plants under ambient or elevated CO(2), and ambient or increased soil phosphorus (P) supply. Additionally, individuals were grown with or without arbuscular mycorrhizal inoculum, and after 2 wk, plants were inoculated or mock-inoculated with a phloem-restricted virus. Under elevated CO(2), mycorrhizal association increased the titer of virus infections, and virus infection reciprocally increased the colonization of roots by mycorrhizal fungi. Additionally, virus infection decreased plant allocation to root biomass, increased leaf P, and modulated effects of CO(2) and P addition on mycorrhizal root colonization. These results indicate that plant mutualists and pathogens can alter each other's success, and predict that these interactions will respond to increased resource availability and elevated CO(2). Together, our findings highlight the importance of interactions among multiple microorganisms for plant performance under global change |
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| Beschreibung: | Date Completed 15.01.2014 Date Revised 20.04.2021 published: Print-Electronic ErratumIn: New Phytol. 2013 Sep;199(4):1109 Citation Status MEDLINE |
| ISSN: | 1469-8137 |
| DOI: | 10.1111/nph.12273 |