Dark septate endophytes and arbuscular mycorrhizal fungi (<i>Paris</i>‐morphotype) affect the stable isotope composition of ‘classically’ non‐mycorrhizal plants

Giesemann, Philipp; Eichenberg, David; Stöckel, Marcus; Seifert, Lukas F.; Gomes, Sofia I. F.; Merckx, Vincent; Gebauer, Gerhard

doi:10.1111/1365-2435.13673

Cited by 17 publications

(15 citation statements)

References 70 publications

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“…rapa association is coupled with reciprocal C transfer from the plant, as observed by tracing plant‐derived 13 C into the fungal mycelium (Usuki & Narisawa, 2007). Although the ecological significance of DSE remains enigmatic, DSE colonization of Cyperaceae and Caryophyllaceae plants under natural conditions appears to correlate with natural 15 N enrichment in these plants, suggesting that DSE fungi mediate N uptake from organic sources in these nonmycorrhizal plant families (Giesemann et al ., 2020).…”

Section: Mycorrhizal Symbioses In Am Nonhost Lineagesmentioning

confidence: 99%

“…tofieldiae (Hiruma et al ., 2016), transferring P to Brassicaceae plants (Table 1), suggests that there are previously unaccounted interactions between mycorrhizal‐like fungi and nonmycorrhizal plants. Furthermore, recent studies on 15 N signatures in wild Cyperaceae and Caryophyllaceae also suggest trophic interactions with DSE fungi (Giesemann et al ., 2020). We hypothesize that nonmycorrhizal plants rely on these plant–fungal associations for their nutrition as a replacement strategy for AM symbiosis loss.…”

Section: Mycorrhiza‐like Associations and Nonmycorrhizal Plantsmentioning

confidence: 99%

“…DSE fungi, including Helotiales taxa, are thought to promote local adaptation of plants in Arctic/alpine habitats by feeding on organic nutrient sources (Giesemann et al ., 2020), as AM fungal association become increasingly rare in high‐altitude environments (Bueno de Mesquita et al ., 2018). Climate change is expected to drastically reduce snow cover and thus affect N bioavailability in the coming years.…”

Section: Will Mycorrhiza‐like Associations Help Plants Adapt To Globa...mentioning

confidence: 99%

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Unearthing the plant–microbe quid pro quo in root associations with beneficial fungi

2022

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Mutualistic symbiotic associations between multicellular eukaryotes and their microbiota are driven by the exchange of nutrients in a quid pro quo manner. In the widespread arbuscular mycorrhizal (AM) symbiosis involving plant roots and Glomeromycotina fungi, the mycobiont is supplied with carbon through photosynthesis, which in return supplies the host plant with essential minerals such as phosphorus (P). Most terrestrial plants are largely dependent on AM fungi for nutrients, which raises the question of how plants that are unable to form a functional AM sustain their P nutrition. AM nonhost plants can form alternative, evolutionarily younger, mycorrhizal associations such as the ectomycorrhiza, ericoid and orchid mycorrhiza. However, it is unclear how plants such as the Brassicaceae species Arabidopsis thaliana, which do not form known mycorrhizal symbioses, have adapted to the loss of these essential mycorrhizal traits. Isotope tracing experiments with root-colonizing fungi have revealed the existence of new 'mycorrhizallike' fungi capable of transferring nutrients such as nitrogen (N) and P to plants, including Brassicaceae. Here, we provide an overview of the biology of trophic relationships between roots and fungi and how these associations might support plant adaptation to climate change.

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Section: Mycorrhizal Symbioses In Am Nonhost Lineagesmentioning

confidence: 99%

Section: Mycorrhiza‐like Associations and Nonmycorrhizal Plantsmentioning

confidence: 99%

Section: Will Mycorrhiza‐like Associations Help Plants Adapt To Globa...mentioning

confidence: 99%

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Unearthing the plant–microbe quid pro quo in root associations with beneficial fungi

2022

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“… 31 Besides, some plant species such as field horsetail ( Equisetum arvense ) and gentian ( Gentiana lutea ) enriched their 13 C and 15 N isotopes content as compared to adjacent plant species due to the fully or partial mycorrhizal association, respectively. 33 , 34 …”

Section: Resultsmentioning

confidence: 99%

Stable Isotope Ratios of Herbs and Spices Commonly Used as Herbal Infusions in the Italian Market

et al. 2021

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Stable isotope ratio analysis has been widely used for traceability and authenticity purposes in relation to various food commodities, but only in a limited number of herb and spice species. This study explored the stable isotope ratios of carbon, nitrogen, sulfur, oxygen, and hydrogen (δ 13 C, δ 15 N, δ 34 S, δ 18 O, and δ 2 H) of 119 herbs and spices belonging to 116 plant species and 57 plant families collected from the Italian market for the first time. The characteristic value ranges of δ 13 C, δ 15 N, δ 34 S, δ 18 O, and δ 2 H of the herbs and spices went from −31.0 to −11.6, −4.7 to 12.0, −5.0 to 22.0, 14.7 to 46.0, and −158 to −12‰, respectively. The isotopic profiles within and between common botanical families and their similarity/dissimilarity between herbs and spices belonging to the common botanical families are also discussed here. The results of this exploratory work highlight the possibility of characterizing herbs and spices and suggest widening the scope of the survey through more extensive sampling and focusing on specific plant species.

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“…Carbon isotope methods using 14 C isotopes [2], [3] or stable 13 C isotopes [4]- [6] help track the fate of C in various ecosystems. There are natural variations in the 13 C/ 12 C ratio according to the photosynthesis pattern in two types of plants: C 3 -plants with a δ 13 C value in the -29 to -25 ‰ range, and C 4 -plants with a δ 13 C value in the -16 to -12 ‰ range [7], [8] . Theses natural δ 13 C variations can also be attributed to various factors as stomata regulation by microclimate or nitrogen availability [9], [10] or carbon gain from mycorrhizal fungi [11]- [13].…”

Section: Introductionmentioning

confidence: 99%

Can stable isotopes quantify soil carbon build-up from organic fertilizers?

Jamoteau

Balesdent

Basile-Doeslch

et al. 2021

Isotopes in Environmental and Health Studies

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Application of organic fertilizers (OF) can supply carbon (C) to the soil in crop fields.OF-derived C (OF-C) is often estimated using the differential method that can be biased due to indirect effects of OF on soil C. This study tested three methods to quantify OF-C: (i) the widespread differential method, (ii) the synchronic isotopic method comparing plots with and without OF and (iii) the asynchronic isotopic method mimicking a trial without a control plot. These methods were implemented on an Arenosol and an Andosol supplied during 13 years with slurry or compost. The results highlighted the relevance of using the isotopic synchronic method, which focuses on the direct effect of OFs on the soil organic matter (without bias of vegetation change) and considers control soil's evolution. Considering limit of resolution in the Arenosol, the method was suitable after 4 years of fertilisation for an initial δ 13 C difference of 7.5 ‰ between OF and soil, and after 9 years for a difference of 3.5 ‰. A sensitivity analysis showed that particular attention must be paid to OF-δ 13 C variability to guarantee the method validity. The method proved to be suitable to study the factors controlling the OF-C fate in tropical soils.

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Dark septate endophytes and arbuscular mycorrhizal fungi (Paris‐morphotype) affect the stable isotope composition of ‘classically’ non‐mycorrhizal plants

Abstract: This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

Cited by 17 publications

References 70 publications

Unearthing the plant–microbe quid pro quo in root associations with beneficial fungi

Unearthing the plant–microbe quid pro quo in root associations with beneficial fungi

Stable Isotope Ratios of Herbs and Spices Commonly Used as Herbal Infusions in the Italian Market

Can stable isotopes quantify soil carbon build-up from organic fertilizers?

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