The effects of arbuscular mycorrhizal fungal species and taxonomic groups on stressed and unstressed plants: a global meta‐analysis

Marro, Nicolás; Grilli, Gabriel; Soteras, Florencia; Caccia, Milena Guadalupe; Longo, Sergio Enrico Favero; Cofré, Noelia; Borda, Valentina; Burni, Magalí; Janoušková, Martina; Urcelay, Carlos

doi:10.1111/nph.18102

Cited by 71 publications

(43 citation statements)

References 85 publications

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“…the abundance of Diversispora AMF (Guo et al, 2021). Moreover, a recent meta-analysis reported that the AMF benefits on plants varied among species and taxonomic group, with Diversisporales being the most beneficial to plants (Marro et al, 2022). Based on these findings, we could primarily attribute the great benefits of inoculum D to the high abundance of Diversisporaceae.…”

Section: Plant Mycorrhizal Responses Depend On the Combination Of Hos...mentioning

confidence: 87%

Specific Plant Mycorrhizal Responses Are Linked to Mycorrhizal Fungal Species Interactions

Guo

Wang

et al. 2022

Front. Plant Sci.

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Effects of arbuscular mycorrhizal fungi (AMF) on plants span the continuum from mutualism to parasitism due to the plant–AMF specificity, which obscures the utilization of AMF in the restoration of degraded lands. Caragana korshinskii, Hedysarum laeve, Caragana microphylla, and Poa annua are the most frequently used plants for revegetation in Kubuqi Desert, China, and the influence of AMF on their re-establishment remains to be explored further. Herein, using a greenhouse experiment, we tested the plant–AMF feedbacks between the four plant species and their conspecific or heterospecific AMF, retrieved from their rhizosphere in the Kubuqi Desert. AMF showed beneficial effects on plant growth for all these plant-AMF pairs. Generally, AMF increased the biomass of C. korshinskii, H. laeve, C. microphylla, and P. annua by 97.6, 50.6, 46.5, and 381.1%, respectively, relative to control. In addition, the AMF-plant specificity was detected. P. annua grew best, but C. microphylla grew worst with conspecific AMF communities. AMF community from P. annua showed the largest beneficial effect on all the plants (with biomass increased by 63.9–734.4%), while the AMF community from C. microphylla showed the least beneficial effect on all the plants (with biomass increased by 9.9–59.1%), except for P. annua (a 292.4% increase in biomass). The magnitude of AMF effects on plant growth was negatively correlated with the complexity of the corresponding AMF co-occurrence networks. Overall, this study suggests that AMF effects on plant growth vary due to plant-AMF specificity. We also observed the broad-spectrum benefits of the native AMF from P. annua, which indicates its potential utilization in the restoration of the desert vegetation.

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Section: Plant Mycorrhizal Responses Depend On the Combination Of Hos...mentioning

confidence: 87%

Specific Plant Mycorrhizal Responses Are Linked to Mycorrhizal Fungal Species Interactions

Guo

Wang

et al. 2022

Front. Plant Sci.

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“…AMF play essential roles in plant resistance subjected to various environmental stress and could potentially help farmers reduce the crop yield losses in the changing global climate [ 32 , 35 , 71 , 72 ]. Here we investigate, to the best of our knowledge for the first time, the multifaceted roles of a new combination of AMF species in the alleviation of salt, drought, and cold stress in peanut plants.…”

Section: Discussionmentioning

confidence: 99%

The multifaceted roles of Arbuscular Mycorrhizal Fungi in peanut responses to salt, drought, and cold stress

Liu

Cui

et al. 2023

BMC Plant Biol

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Background Arbuscular Mycorrhizal Fungi (AMF) are beneficial microorganisms in soil-plant interactions; however, the underlying mechanisms regarding their roles in legumes environmental stress remain elusive. Present trials were undertaken to study the effect of AMF on the ameliorating of salt, drought, and cold stress in peanut (Arachis hypogaea L.) plants. A new product of AMF combined with Rhizophagus irregularis SA, Rhizophagus clarus BEG142, Glomus lamellosum ON393, and Funneliformis mosseae BEG95 (1: 1: 1: 1, w/w/w/w) was inoculated with peanut and the physiological and metabolomic responses of the AMF-inoculated and non-inoculated peanut plants to salt, drought, and cold stress were comprehensively characterized, respectively. Results AMF-inoculated plants exhibited higher plant growth, leaf relative water content (RWC), net photosynthetic rate, maximal photochemical efficiency of photosystem II (PSII) (Fv/Fm), activities of antioxidant enzymes, and K+: Na+ ratio while lower leaf relative electrolyte conductivity (REC), concentration of malondialdehyde (MDA), and the accumulation of reactive oxygen species (ROS) under stressful conditions. Moreover, the structures of chloroplast thylakoids and mitochondria in AMF-inoculated plants were less damaged by these stresses. Non-targeted metabolomics indicated that AMF altered numerous pathways associated with organic acids and amino acid metabolisms in peanut roots under both normal-growth and stressful conditions, which were further improved by the osmolytes accumulation data. Conclusion This study provides a promising AMF product and demonstrates that this AMF combination could enhance peanut salt, drought, and cold stress tolerance through improving plant growth, protecting photosystem, enhancing antioxidant system, and regulating osmotic adjustment.

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“…Despite both experimental duration and plant R/S being important in the prediction of the effect size of AMF on the plant shoot, root, and total biomass, we found that the correlations of these two moderators with the effect size were all weak. This might be due to the numerous factors that can influence the functions of AMF, including plant and/or AMF species ( Marro et al., 2022 ), plant nutrition status, and experimental light intensity ( Johnson, 2010 ). Accordingly, these weak relationships might be the result of the different experimental factors, which should be taken into consideration in future research.…”

Section: Discussionmentioning

confidence: 99%

Experimental duration determines the effect of arbuscular mycorrhizal fungi on plant biomass in pot experiments: A meta-analysis

Qin

Li²,

Miranda³

et al. 2022

Front. Plant Sci.

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Arbuscular mycorrhizal fungi (AMF) play various important roles in promoting plant growth. Numerous environmental and evolutionary factors influence the response of plants to AMF. However, the importance of the individual factors on the effects of AMF on plant biomass is not clearly understood. In this study, a meta-analysis using 1,640 observations from 639 published articles related to the influence of AMF on the plant shoot, root, and total biomass was performed; 13 different experimental setting factors that had an impact on the influence of AMF and their importance were quantitatively synthesized. The meta-analysis showed that AMF had positive effects on the plant shoot, root, and total biomass; moreover, the experimental duration, plant root-to-shoot ratio (R/S), AMF root length colonization, plant family, pot size, soil texture, and the soil pH all influenced the effects of AMF on the shoot, root, and total biomass. In addition, the plant root system and plant functional type had impacts on the effect of AMF on shoot biomass; AMF guild also impacted the effect of AMF on root biomass. Of these factors, the experimental duration, plant R/S, and pot size were the three most important predicting the effects of AMF on the plant shoot, root, and total biomass. This study comprehensively assessed the importance of the different factors that influenced the response of plants to AMF, highlighting that the experimental duration, plant R/S, and pot size should be taken into consideration in pot experiments in studies of the functions of AMF. Multiple unfavorable factors that may obscure or confound the observed functions of AMF should be excluded.

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The effects of arbuscular mycorrhizal fungal species and taxonomic groups on stressed and unstressed plants: a global meta‐analysis

Cited by 71 publications

References 85 publications

Specific Plant Mycorrhizal Responses Are Linked to Mycorrhizal Fungal Species Interactions

Specific Plant Mycorrhizal Responses Are Linked to Mycorrhizal Fungal Species Interactions

The multifaceted roles of Arbuscular Mycorrhizal Fungi in peanut responses to salt, drought, and cold stress

Experimental duration determines the effect of arbuscular mycorrhizal fungi on plant biomass in pot experiments: A meta-analysis

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