A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
Experimental evidence that root‐associated fungi improve plant growth at high altitude (2024)
Burg, S., Ovaskainen, O., Furneaux, B., Ivanova, N., Abrahamyan, A., Niittynen, P., Somervuo, P., & Abrego, N. (2024). Experimental evidence that root‐associated fungi improve plant growth at high altitude. Molecular Ecology, Early online. https://doi.org/10.1111/mec.17376
JYU-tekijät tai -toimittajat
Julkaisun tiedot
Julkaisun kaikki tekijät tai toimittajat: Burg, Skylar; Ovaskainen, Otso; Furneaux, Brendan; Ivanova, Natalia; Abrahamyan, Arusyak; Niittynen, Pekka; Somervuo, Panu; Abrego, Nerea
Lehti tai sarja: Molecular Ecology
ISSN: 0962-1083
eISSN: 1365-294X
Julkaisuvuosi: 2024
Ilmestymispäivä: 04.05.2024
Volyymi: Early online
Kustantaja: Wiley
Julkaisumaa: Britannia
Julkaisun kieli: englanti
DOI: https://doi.org/10.1111/mec.17376
Linkki tutkimusaineistoon: https://zenodo.org/records/10995681
Julkaisun avoin saatavuus: Avoimesti saatavilla
Julkaisukanavan avoin saatavuus: Osittain avoin julkaisukanava
Lisätietoja: Raw reads are deposited to the European Nucleotide Archive under project PRJEB65743 at https://www.ebi.ac.uk/ena/browser/view/PRJEB65743
Tiivistelmä
Unravelling how species communities change along environmental gradients requires a dual understanding: the direct responses of the species to their abiotic surroundings and the indirect variation of these responses through biotic interactions. Here, we focus on the interactive relationships between plants and their symbiotic root-associated fungi (RAF) along stressful abiotic gradients. We investigate whether variations in RAF community composition along altitudinal gradients influence plant growth at high altitudes, where both plants and fungi face harsher abiotic conditions. We established a translocation experiment between pairs of Bistorta vivipara populations across altitudinal gradients. To separate the impact of shifting fungal communities from the overall influence of changing abiotic conditions, we used a root barrier to prevent new colonization by RAF following translocation. To characterize the RAF communities, we applied DNA barcoding to the root samples. Through the utilization of joint species distribution modelling, we assessed the relationship between changes in plant functional traits resulting from experimental treatments and the corresponding changes in the RAF communities. Our findings indicate that RAF communities influence plant responses to stressful abiotic conditions. Plants translocated from low to high altitudes grew more when they were able to associate with the resident high-altitude RAF compared to those plants that were not allowed to associate with the resident RAF. We conclude that interactions with RAF impact how plants respond to stressful abiotic conditions. Our results provide experimental support that interactions with RAF improve plant stress tolerance to altitudinal stressors such as colder temperatures and less nutrient availability.
YSO-asiasanat: arktinen alue; mykorritsa; mykorritsasienet; symbioosi; ekologinen lokero; habitaatti; kasviekologia; molekyylibiologia; DNA-viivakoodit; metagenomiikka
Vapaat asiasanat: arctic; joint species distribution model; metabarcoding; plant fitness; root-associated fungi; translocation
Liittyvät organisaatiot
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OKM-raportointi: Kyllä
Raportointivuosi: 2024
Alustava JUFO-taso: 3