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Drought rearranges preferential carbon allocation to arbuscular mycorrhizal community members co-inhabiting roots of Medicago truncatula
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SYSNO ASEP 0563402 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Drought rearranges preferential carbon allocation to arbuscular mycorrhizal community members co-inhabiting roots of Medicago truncatula Author(s) Forczek, S. T. (CZ)
Bukovská, P. (CZ)
Püschel, David (BU-J) RID, ORCID
Janoušková, Martina (BU-J) RID, ORCID
Blažková, Alena (BU-J) ORCID
Jansa, J. (CZ)Article number 104897 Source Title Environmental and Experimental Botany. - : Elsevier - ISSN 0098-8472
Roč. 199, JUL 2022 (2022)Number of pages 11 s. Language eng - English Country NL - Netherlands Keywords arbuscular mycorrhizal symbiosis ; drought stress ; quantitative stable isotope probing (qSIP) Subject RIV EF - Botanics OECD category Plant sciences, botany R&D Projects GA17-12166S GA ČR - Czech Science Foundation (CSF) Method of publishing Limited access Institutional support BU-J - RVO:67985939 UT WOS 000806285500002 EID SCOPUS 85129776348 DOI 10.1016/j.envexpbot.2022.104897 Annotation Arbuscular mycorrhizal (AM) fungi establish symbiosis with majority of plant species, supporting their abiotic and biotic stress tolerances, and receiving reduced carbon in return. However, how and why plants control the composition of their associated mycorrhizal communities remains largely unknown. Our aim was to analyze the consequences of abrupt changes in environmental conditions such as light intensity or water supply on carbon allocation from plant (Medicago truncatula) to different AM fungal species coexisting in plant roots, employing 13C labeling and tracing. Significant differences were detected in the composition of synthetic communities of AM fungi just ten days after the environmental change induction. Under simulated drought, plants preferentially allocated their carbon to Funneliformis mosseae to the detriment of Claroideoglomus claroideum. Compared to drought, shading did not lead to a significant rearrangement of carbon fluxes from plants to the different AM fungi. Our observations strongly suggest that plants actively promote, through preferential allocation of their carbon, specific AM fungal symbionts in their roots depending on environmental conditions. Yet, it still needs to be elucidated which fungal traits are playing a role in this process, how are the different symbionts recognized, and which molecular mechanisms are involved in such preferential carbon routing. Workplace Institute of Botany Contact Martina Bartošová, martina.bartosova@ibot.cas.cz, ibot@ibot.cas.cz, Tel.: 271 015 242 ; Marie Jakšová, marie.jaksova@ibot.cas.cz, Tel.: 384 721 156-8 Year of Publishing 2023 Electronic address https://doi.org/10.1016/j.envexpbot.2022.104897
Number of the records: 1