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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1111/nph.16574
|2 doi
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|a pubmed25n1027.xml
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Forrester, Nicole J
|e verfasserin
|4 aut
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| 245 |
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|a Polyploid plants obtain greater fitness benefits from a nutrient acquisition mutualism
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 14.05.2021
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|a Date Revised 14.05.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2020 The Authors. New Phytologist © 2020 New Phytologist Trust.
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|a Polyploidy is a key driver of ecological and evolutionary processes in plants, yet little is known about its effects on biotic interactions. This gap in knowledge is especially profound for nutrient acquisition mutualisms, despite the fact that they regulate global nutrient cycles and structure ecosystems. Generalism in mutualistic interactions depends on the range of potential partners (niche breadth), the benefits obtained and ability to maintain benefits across a variety of partners (fitness plasticity). Here, we determine how each of these is influenced by polyploidy in the legume-rhizobium mutualism. We inoculated a broad geographic sample of natural diploid and autotetraploid alfalfa (Medicago sativa) lineages with a diverse panel of Sinorhizobium bacterial symbionts. To analyze the extent and mechanism of generalism, we measured host growth benefits and functional traits. Autotetraploid plants obtained greater fitness enhancement from mutualistic interactions and were better able to maintain this across diverse rhizobial partners (i.e. low plasticity in fitness) relative to diploids. These benefits were not attributed to increases in niche breadth, but instead reflect increased rewards from investment in the mutualism. Polyploid plants displayed greater generalization in bacterial mutualisms relative to diploids, illustrating another axis of advantage for polyploids over diploids
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Research Support, U.S. Gov't, Non-P.H.S.
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| 650 |
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4 |
|a benefit
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| 650 |
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4 |
|a fitness
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|a legume
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| 650 |
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|a mutualism
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| 650 |
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4 |
|a niche
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| 650 |
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4 |
|a plasticity
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| 650 |
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|a polyploid
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| 650 |
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4 |
|a rhizobia
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| 700 |
1 |
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|a Rebolleda-Gómez, Maria
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sachs, Joel L
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ashman, Tia-Lynn
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t The New phytologist
|d 1984
|g 227(2020), 3 vom: 04. Aug., Seite 944-954
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnas
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| 773 |
1 |
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|g volume:227
|g year:2020
|g number:3
|g day:04
|g month:08
|g pages:944-954
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| 856 |
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|u http://dx.doi.org/10.1111/nph.16574
|3 Volltext
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|d 227
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|h 944-954
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