{"title":"Saprotrophic-mycorrhizal divide in stable isotope composition throughout the whole fungus: From mycelium to hymenophore","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","month":"04","date_updated":"2025-05-05T11:48:23Z","type":"journal_article","_id":"19641","OA_type":"closed access","abstract":[{"lang":"eng","text":"Mycorrhizal and saprotrophic macromycetes contribute strongly to the carbon and nitrogen cycles of forest ecosystems, often studied by tracing stable isotope composition of carbon and nitrogen. The phenomenon of the saprotrophic-mycorrhizal divide highlights the difference in the stable isotope composition of fruiting bodies of mycorrhizal and saprotrophic fungi. Much less is known about the isotopic composition of the mycelium, which plays an important role in the formation of the soil organic matter and fuels the fungal trophic channel in soil food webs. In this study, we assessed whether the saprotrophic-mycorrhizal divide in the natural δ13С and δ15N values can be traced throughout entire fungal organisms. This hypothesis was tested using 16 species of ectomycorrhizal and six species of saprotrophic basidiomycetous fungi. We showed that not only fruiting bodies, but also the mycelium of ectomycorrhizal and saprotrophic fungi differs in the δ13C and δ15N values. In both ectomycorrhizal and saprotrophic fungi, the δ13C and δ15N values increased from mycelium to hymenophores and correlated positively with the total N content in the corresponding tissues. The differences between ectomycorrhizal and saprotrophic mycelium can be used to reconstruct the fungal-driven belowground carbon and nitrogen allocation, and the contribution of saprotrophic and mycorrhizal fungi to soil food webs."}],"department":[{"_id":"NiBa"}],"pmid":1,"issue":"2","oa_version":"None","acknowledgement":"We thank Sergey Tsurikov for the help with stable isotope analysis. Dr. Jacob D. Wickham (IEE RAS) kindly improved the English of the manuscript. This work was supported by the Russian Science Foundation (project №. 22–14–00363).","doi":"10.1007/s00572-025-01203-w","date_created":"2025-05-04T22:02:32Z","volume":35,"publisher":"Springer Nature","article_type":"original","date_published":"2025-04-01T00:00:00Z","article_processing_charge":"No","day":"01","publication":"Mycorrhiza","citation":{"ieee":"A. G. Zuev, A. V. Alexandrova, V. A. Litvinskiy, E. Pravdolyubova, and A. V. Tiunov, “Saprotrophic-mycorrhizal divide in stable isotope composition throughout the whole fungus: From mycelium to hymenophore,” <i>Mycorrhiza</i>, vol. 35, no. 2. Springer Nature, 2025.","ista":"Zuev AG, Alexandrova AV, Litvinskiy VA, Pravdolyubova E, Tiunov AV. 2025. Saprotrophic-mycorrhizal divide in stable isotope composition throughout the whole fungus: From mycelium to hymenophore. Mycorrhiza. 35(2), 32.","short":"A.G. Zuev, A.V. Alexandrova, V.A. Litvinskiy, E. Pravdolyubova, A.V. Tiunov, Mycorrhiza 35 (2025).","ama":"Zuev AG, Alexandrova AV, Litvinskiy VA, Pravdolyubova E, Tiunov AV. Saprotrophic-mycorrhizal divide in stable isotope composition throughout the whole fungus: From mycelium to hymenophore. <i>Mycorrhiza</i>. 2025;35(2). doi:<a href=\"https://doi.org/10.1007/s00572-025-01203-w\">10.1007/s00572-025-01203-w</a>","apa":"Zuev, A. G., Alexandrova, A. V., Litvinskiy, V. A., Pravdolyubova, E., &#38; Tiunov, A. V. (2025). Saprotrophic-mycorrhizal divide in stable isotope composition throughout the whole fungus: From mycelium to hymenophore. <i>Mycorrhiza</i>. Springer Nature. <a href=\"https://doi.org/10.1007/s00572-025-01203-w\">https://doi.org/10.1007/s00572-025-01203-w</a>","chicago":"Zuev, A. G., A. V. Alexandrova, V. A. Litvinskiy, Evgeniya Pravdolyubova, and A. V. Tiunov. “Saprotrophic-Mycorrhizal Divide in Stable Isotope Composition throughout the Whole Fungus: From Mycelium to Hymenophore.” <i>Mycorrhiza</i>. Springer Nature, 2025. <a href=\"https://doi.org/10.1007/s00572-025-01203-w\">https://doi.org/10.1007/s00572-025-01203-w</a>.","mla":"Zuev, A. G., et al. “Saprotrophic-Mycorrhizal Divide in Stable Isotope Composition throughout the Whole Fungus: From Mycelium to Hymenophore.” <i>Mycorrhiza</i>, vol. 35, no. 2, 32, Springer Nature, 2025, doi:<a href=\"https://doi.org/10.1007/s00572-025-01203-w\">10.1007/s00572-025-01203-w</a>."},"language":[{"iso":"eng"}],"quality_controlled":"1","external_id":{"pmid":["40232310"]},"status":"public","year":"2025","author":[{"last_name":"Zuev","first_name":"A. G.","full_name":"Zuev, A. G."},{"first_name":"A. V.","last_name":"Alexandrova","full_name":"Alexandrova, A. V."},{"first_name":"V. A.","last_name":"Litvinskiy","full_name":"Litvinskiy, V. A."},{"id":"0b30719b-13f0-11ed-ab2a-94498bc6a278","last_name":"Pravdolyubova","first_name":"Evgeniya","full_name":"Pravdolyubova, Evgeniya"},{"full_name":"Tiunov, A. V.","last_name":"Tiunov","first_name":"A. V."}],"article_number":"32","intvolume":"        35","publication_identifier":{"eissn":["1432-1890"],"issn":["0940-6360"]},"publication_status":"published","scopus_import":"1"}