Unexpectedly high diversity of arbuscular mycorrhizal fungi in fertile Chernozem croplands in Central Europe

Baltruschat, Helmut; Santos, Vera Maria dos; Silva, Danielle Karla Alves da; Schellenberg, Ingo; Deubel, Annette; Sieverding, Ewald; Oehl, Fritz

doi:10.1016/j.catena.2019.104135

Cited by 50 publications

(27 citation statements)

References 57 publications

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“…We also have to consider that the occurrence of Glomeromycota in roots of EM trees might be an effect of this early colonization stage in the experiment. However, Glomeromycota have been described to be abundant on the same soil type as in our study (i.e., Chernozems, see Baltruschat et al., 2019). Brundrett (2002) suggested that AM in plants with dual associations might either be relicts, provide additional functions (such as increased access to nutrients) or be a backup mechanism.…”

Section: Discussionsupporting

confidence: 68%

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Mixing tree species associated with arbuscular or ectotrophic mycorrhizae reveals dual mycorrhization and interactive effects on the fungal partners

Heklau

Schindler

Buscot

et al. 2021

Ecology and Evolution

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Section: Discussionsupporting

confidence: 68%

“…Mycorrhizae can either be studied morphologically (e.g., Baltruschat et al., 2019; Brundrett & Tedersoo, 2020; Kottke & Oberwinkler, 1986; Rumberger et al., 2004) or by meta‐barcoding (e.g., Francioli et al., 2016). Both approaches have advantages and disadvantages.…”

Section: Introductionmentioning

confidence: 99%

Mixing tree species associated with arbuscular or ectotrophic mycorrhizae reveals dual mycorrhization and interactive effects on the fungal partners

Heklau

Schindler

Buscot

et al. 2021

Ecology and Evolution

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“…Bayesian analysis (two runs over 3 × 10 6 generations with a sample frequency of 300 and a burn-in value of 25%) was performed in MrBayes 3.1.2 (Ronquist and Huelsenbeck 2003), launched from Topali 2.5, using the GTR + G model. Our annotations follow the most recent systematics of the Glomeromycota (e.g., Baltruschat et al 2019;Błaszkowski et al 2018a, b;Corazon-Guivin et al 2019;Oehl et al 2019a;Silva et al 2012;Tedersoo et al 2018). Table 1 gives detailed information about sequence origin.…”

Section: Phylogenetic Analysesmentioning

confidence: 88%

“…Reference slides of the isolates were deposited at the mycological herbarium of ETH Zurich (Z + ZT). For morphological spore identification, the identification manual of Błaszkowski (2012) for Glomeromycota was used and was based on the classification system of Oehl et al (2011b), considering the most recent updates (e.g., Baltruschat et al 2019;Błaszkowski et al 2015Błaszkowski et al , 2018aBłaszkowski et al 2019;Wijayawardene et al 2020).…”

Section: Morphological Characterization Of Amf Isolatesmentioning

confidence: 99%

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Ancient lineages of arbuscular mycorrhizal fungi provide little plant benefit

et al. 2021

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Almost all land plants form symbiotic associations with arbuscular mycorrhizal fungi (AMF). Individual plants usually are colonized by a wide range of phylogenetically diverse AMF species. The impact that different AMF taxa have on plant growth is only partly understood. We screened 44 AMF isolates for their effect on growth promotion and nutrient uptake of leek plants (Allium porrum), including isolates that have not been tested previously. In particular, we aimed to test weather AMF lineages with an ancient evolutionary age differ from relatively recent lineages in their effects on leek plants. The AMF isolates that were tested covered 18 species from all five AMF orders, eight families, and 13 genera. The experiment was conducted in a greenhouse. A soil–sand mixture was used as substrate for the leek plants. Plant growth response to inoculation with AMF varied from − 19 to 232% and depended on isolate, species, and family identity. Species from the ancient families Archaeosporaceae and Paraglomeraceae tended to be less beneficial, in terms of stimulation plant growth and nutrient uptake, than species of Glomeraceae, Entrophosporaceae, and Diversisporaceae, which are considered phylogenetically more recent than those ancient families. Root colonization levels also depended on AMF family. This study indicates that plant benefit in the symbiosis between plants and AMF is linked to fungal identity and phylogeny and it shows that there are large differences in effectiveness of different AMF.

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Arbuscular Mycorrhizal Fungi and the Need for a Meaningful Regulatory Plant Protection Product Testing Strategy

Sweeney

Bottoms

Ellis³

et al. 2022

Enviro Toxic and Chemistry

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Arbuscular mycorrhizal fungi (AMF) perform key soil ecosystem services and, because of their symbiotic relationship with plant roots, may be exposed to the plant protection products (PPPs) applied to soils and crops. In 2017, the European Food Safety Authority (EFSA) released a scientific opinion addressing the state of the science on risk assessment of PPPs for in‐soil organisms, recommending the inclusion of AMF ecotoxicological testing in the PPP regulatory process. However, it is not clear how this can be implemented in a tiered, robust, and ecologically relevant manner. Through a critical review of current literature, we examine the recommendations made within the EFSA report and the methodologies available to integrate AMF into the PPP risk assessment and provide perspective and commentary on their agronomic and ecological relevance. We conclude that considerable research questions remain to be addressed prior to the inclusion of AMF into the in‐soil organism risk assessment, many of which stem from the unique challenges associated with including an obligate symbiont within the PPP risk assessment. Finally, we highlight critical knowledge gaps and the further research required to enable development of relevant, reliable, and robust scientific tests alongside pragmatic and scientifically sound guidance to ensure that any future risk‐assessment paradigm is adequately protective of the ecosystem services it aims to preserve. Environ Toxicol Chem 2022;41:1808–1823. © 2022 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.

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Unexpectedly high diversity of arbuscular mycorrhizal fungi in fertile Chernozem croplands in Central Europe

Cited by 50 publications

References 57 publications

Mixing tree species associated with arbuscular or ectotrophic mycorrhizae reveals dual mycorrhization and interactive effects on the fungal partners

Mixing tree species associated with arbuscular or ectotrophic mycorrhizae reveals dual mycorrhization and interactive effects on the fungal partners

Ancient lineages of arbuscular mycorrhizal fungi provide little plant benefit

Arbuscular Mycorrhizal Fungi and the Need for a Meaningful Regulatory Plant Protection Product Testing Strategy

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