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Herbivore-driven disruption of arbuscular mycorrhizal carbon-for-nutrient exchange is ameliorated by neighboring plants.
Curr Biol
June 2023
Plants, Photosynthesis and Soil, School of Biosciences, University of Sheffield, Sheffield, South Yorkshire S10 2TN, UK. Electronic address:
Arbuscular mycorrhizal fungi colonize the roots of most plants, forming a near-ubiquitous symbiosis that is typically characterized by the bi-directional exchange of fungal-acquired nutrients for plant-fixed carbon. Mycorrhizal fungi can form below-ground networks with potential to facilitate the movement of carbon, nutrients, and defense signals across plant communities. The importance of neighbors in mediating carbon-for-nutrient exchange between mycorrhizal fungi and their plant hosts remains equivocal, particularly when other competing pressures for plant resources are present.
View Article and Find Full Text PDFStrigolactones in Rhizosphere Communication: Multiple Molecules With Diverse Functions.
Plant Cell Physiol
September 2023
Division of Biological Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, Ikoma, Nara, 630-0192 Japan.
Strigolactones (SLs) are root-secreted small molecules that influence organisms living in the rhizosphere. While SLs are known as germination stimulants for root parasitic plants and as hyphal branching factors for arbuscular mycorrhizal fungi, recent studies have also identified them as chemoattractants for parasitic plants, sensors of neighboring plants and key players in shaping the microbiome community. Furthermore, the discovery of structurally diverged SLs, including so-called canonical and non-canonical SLs in various plant species, raises the question of whether the same SLs are responsible for their diverse functions 'in planta' and the rhizosphere or whether different molecules play different roles.
View Article and Find Full Text PDFFunction in Lipid Biosynthesis Is Required for Arbuscular Mycorrhizal Symbiosis in Rice.
Mol Plant Microbe Interact
March 2022
School of Life Sciences, Nanjing University, Nanjing 210023, China.
Arbuscular mycorrhiza (AM) is a mutualistic symbiosis formed between most land plants and Glomeromycotina fungi. During symbiosis, plants provide organic carbon to fungi in exchange for mineral nutrients. Previous legume studies showed that the () gene is necessary for transferring lipids from plants to AM fungi (AMF) and is also likely to play a "signaling" role at the root surface.
View Article and Find Full Text PDFPartial mycoheterotrophy is common among chlorophyllous plants with Paris-type arbuscular mycorrhiza.
Ann Bot
April 2021
University of Bayreuth, Laboratory of Isotope Biogeochemistry, Bayreuth Center of Ecology and Environmental Research (BayCEER), Bayreuth, Germany.
Background And Aims: An arbuscular mycorrhiza is a mutualistic symbiosis with plants as carbon providers for fungi. However, achlorophyllous arbuscular mycorrhizal species are known to obtain carbon from fungi, i.e.
View Article and Find Full Text PDFNeighbours of arbuscular-mycorrhiza associating trees are colonized more extensively by arbuscular mycorrhizal fungi than their conspecifics in ectomycorrhiza dominated stands.
New Phytol
July 2020
Institut für Biologie, Freie Universität Berlin, Altensteinstr. 6, Berlin, D-14195, Germany.
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