Home-field advantage? evidence of local adaptation among plants, soil, and arbuscular mycorrhizal fungi through meta-analysis

Megan A. Rúa, Anita Antoninka, Pedro M. Antunes, V. Bala Chaudhary, Catherine A Gehring, Louis J. Lamit, Bridget J. Piculell, James D. Bever, Cathy Zabinski, James F. Meadow, Marc J. Lajeunesse, Brook G. Milligan, Justine Karst, Jason D. Hoeksema

Research output: Contribution to journalArticle

46 Citations (Scopus)

Abstract

Background: Local adaptation, the differential success of genotypes in their native versus foreign environment, arises from various evolutionary processes, but the importance of concurrent abiotic and biotic factors as drivers of local adaptation has only recently been investigated. Local adaptation to biotic interactions may be particularly important for plants, as they associate with microbial symbionts that can significantly affect their fitness and may enable rapid evolution. The arbuscular mycorrhizal (AM) symbiosis is ideal for investigations of local adaptation because it is globally widespread among most plant taxa and can significantly affect plant growth and fitness. Using meta-analysis on 1170 studies (from 139 papers), we investigated the potential for local adaptation to shape plant growth responses to arbuscular mycorrhizal inoculation. Results: The magnitude and direction for mean effect size of mycorrhizal inoculation on host biomass depended on the geographic origin of the soil and symbiotic partners. Sympatric combinations of plants, AM fungi, and soil yielded large increases in host biomass compared to when all three components were allopatric. The origin of either the fungi or the plant relative to the soil was important for explaining the effect of AM inoculation on plant biomass. If plant and soil were sympatric but allopatric to the fungus, the positive effect of AM inoculation was much greater than when all three components were allopatric, suggesting potential local adaptation of the plant to the soil; however, if fungus and soil were sympatric (but allopatric to the plant) the effect of AM inoculation was indistinct from that of any allopatric combinations, indicating maladaptation of the fungus to the soil. Conclusions: This study underscores the potential to detect local adaptation for mycorrhizal relationships across a broad swath of the literature. Geographic origin of plants relative to the origin of AM fungal communities and soil is important for describing the effect of mycorrhizal inoculation on plant biomass, suggesting that local adaptation represents a powerful factor for the establishment of novel combinations of fungi, plants, and soils. These results highlight the need for subsequent investigations of local adaptation in the mycorrhizal symbiosis and emphasize the importance of routinely considering the origin of plant, soil, and fungal components.

Original languageEnglish (US)
Article number122
JournalBMC Evolutionary Biology
Volume16
Issue number1
DOIs
StatePublished - Jun 10 2016

Fingerprint

plant adaptation
local adaptation
meta-analysis
mycorrhizal fungi
fungus
soil
inoculation
fungi
provenance
symbiosis
biomass
plant growth
fitness
fungal communities
plant and fungus
symbionts
biotic factor
symbiont
growth response
genotype

Keywords

  • Arbuscular mycorrhizal fungi
  • Community ecology
  • Evolution
  • Geographic origin
  • Local adaptation
  • Soil micro-organisms
  • Symbiosis

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics

Cite this

Home-field advantage? evidence of local adaptation among plants, soil, and arbuscular mycorrhizal fungi through meta-analysis. / Rúa, Megan A.; Antoninka, Anita; Antunes, Pedro M.; Chaudhary, V. Bala; Gehring, Catherine A; Lamit, Louis J.; Piculell, Bridget J.; Bever, James D.; Zabinski, Cathy; Meadow, James F.; Lajeunesse, Marc J.; Milligan, Brook G.; Karst, Justine; Hoeksema, Jason D.

In: BMC Evolutionary Biology, Vol. 16, No. 1, 122, 10.06.2016.

Research output: Contribution to journalArticle

Rúa, MA, Antoninka, A, Antunes, PM, Chaudhary, VB, Gehring, CA, Lamit, LJ, Piculell, BJ, Bever, JD, Zabinski, C, Meadow, JF, Lajeunesse, MJ, Milligan, BG, Karst, J & Hoeksema, JD 2016, 'Home-field advantage? evidence of local adaptation among plants, soil, and arbuscular mycorrhizal fungi through meta-analysis', BMC Evolutionary Biology, vol. 16, no. 1, 122. https://doi.org/10.1186/s12862-016-0698-9
Rúa, Megan A. ; Antoninka, Anita ; Antunes, Pedro M. ; Chaudhary, V. Bala ; Gehring, Catherine A ; Lamit, Louis J. ; Piculell, Bridget J. ; Bever, James D. ; Zabinski, Cathy ; Meadow, James F. ; Lajeunesse, Marc J. ; Milligan, Brook G. ; Karst, Justine ; Hoeksema, Jason D. / Home-field advantage? evidence of local adaptation among plants, soil, and arbuscular mycorrhizal fungi through meta-analysis. In: BMC Evolutionary Biology. 2016 ; Vol. 16, No. 1.
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AU - Antoninka, Anita

AU - Antunes, Pedro M.

AU - Chaudhary, V. Bala

AU - Gehring, Catherine A

AU - Lamit, Louis J.

AU - Piculell, Bridget J.

AU - Bever, James D.

AU - Zabinski, Cathy

AU - Meadow, James F.

AU - Lajeunesse, Marc J.

AU - Milligan, Brook G.

AU - Karst, Justine

AU - Hoeksema, Jason D.

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N2 - Background: Local adaptation, the differential success of genotypes in their native versus foreign environment, arises from various evolutionary processes, but the importance of concurrent abiotic and biotic factors as drivers of local adaptation has only recently been investigated. Local adaptation to biotic interactions may be particularly important for plants, as they associate with microbial symbionts that can significantly affect their fitness and may enable rapid evolution. The arbuscular mycorrhizal (AM) symbiosis is ideal for investigations of local adaptation because it is globally widespread among most plant taxa and can significantly affect plant growth and fitness. Using meta-analysis on 1170 studies (from 139 papers), we investigated the potential for local adaptation to shape plant growth responses to arbuscular mycorrhizal inoculation. Results: The magnitude and direction for mean effect size of mycorrhizal inoculation on host biomass depended on the geographic origin of the soil and symbiotic partners. Sympatric combinations of plants, AM fungi, and soil yielded large increases in host biomass compared to when all three components were allopatric. The origin of either the fungi or the plant relative to the soil was important for explaining the effect of AM inoculation on plant biomass. If plant and soil were sympatric but allopatric to the fungus, the positive effect of AM inoculation was much greater than when all three components were allopatric, suggesting potential local adaptation of the plant to the soil; however, if fungus and soil were sympatric (but allopatric to the plant) the effect of AM inoculation was indistinct from that of any allopatric combinations, indicating maladaptation of the fungus to the soil. Conclusions: This study underscores the potential to detect local adaptation for mycorrhizal relationships across a broad swath of the literature. Geographic origin of plants relative to the origin of AM fungal communities and soil is important for describing the effect of mycorrhizal inoculation on plant biomass, suggesting that local adaptation represents a powerful factor for the establishment of novel combinations of fungi, plants, and soils. These results highlight the need for subsequent investigations of local adaptation in the mycorrhizal symbiosis and emphasize the importance of routinely considering the origin of plant, soil, and fungal components.

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KW - Community ecology

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KW - Geographic origin

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KW - Soil micro-organisms

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