Sporocarp nutrition of ectomycorrhizal fungi indicates an important role for endemic species in a high productivity temperate rainforest

IF 8.3 1区生物学 Q1 PLANT SCIENCES

New Phytologist Pub Date : 2023-09-29 DOI:10.1111/nph.19280

M. Claire McPolin, J. Marty Kranabetter, Tim J. Philpott, Barbara J. Hawkins

{"title":"Sporocarp nutrition of ectomycorrhizal fungi indicates an important role for endemic species in a high productivity temperate rainforest","authors":"M. Claire McPolin, J. Marty Kranabetter, Tim J. Philpott, Barbara J. Hawkins","doi":"10.1111/nph.19280","DOIUrl":null,"url":null,"abstract":"<div>\n \n <p>\n \n </p><ul>\n \n \n <li>Endemic species of ectomycorrhizal fungi (EMF) are found throughout many biomes, but it is unclear whether their localized distribution is dictated by habitat filtering or geographical barriers to dispersal.</li>\n \n \n <li>We examined community composition (via long-read metabarcoding) and differences in sporocarp nutrition between endemic and cosmopolitan EMF species across perhumid temperate rainforests of British Columbia, characterized by soils with high nitrogen (N) supply alongside low phosphorus (P) and cation availability.</li>\n \n \n <li>Endemic EMF species, representing almost half of the community, had significantly greater sporocarp N (24% higher), potassium (+16%), and magnesium (+17%) concentrations than cosmopolitan species. Sporocarp P concentrations were comparatively low and did not differ by fungal range. However, sporocarp N% and P% were well correlated, supporting evidence for linkages in N and P acquisition. Endemics were more likely to occur on <i>Tsuga heterophylla</i> (a disjunct host genus) than <i>Picea sitchensis</i> (a circumpolar genus). The Inocybaceae and Thelephoraceae families had high proportions of endemic taxa, while species in Cortinariaceae were largely cosmopolitan, indicating some niche conservatism among genera.</li>\n \n \n <li>We conclude that superior adaptive traits in relation to perhumid soils were skewed toward the endemic community, underscoring the potentially important contribution of these localized fungi to rainforest nutrition and productivity.</li>\n </ul>\n \n </div>","PeriodicalId":214,"journal":{"name":"New Phytologist","volume":"242 4","pages":"1603-1613"},"PeriodicalIF":8.3000,"publicationDate":"2023-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"New Phytologist","FirstCategoryId":"99","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1111/nph.19280","RegionNum":1,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"PLANT SCIENCES","Score":null,"Total":0}

引用次数: 0

Abstract

Endemic species of ectomycorrhizal fungi (EMF) are found throughout many biomes, but it is unclear whether their localized distribution is dictated by habitat filtering or geographical barriers to dispersal.
We examined community composition (via long-read metabarcoding) and differences in sporocarp nutrition between endemic and cosmopolitan EMF species across perhumid temperate rainforests of British Columbia, characterized by soils with high nitrogen (N) supply alongside low phosphorus (P) and cation availability.
Endemic EMF species, representing almost half of the community, had significantly greater sporocarp N (24% higher), potassium (+16%), and magnesium (+17%) concentrations than cosmopolitan species. Sporocarp P concentrations were comparatively low and did not differ by fungal range. However, sporocarp N% and P% were well correlated, supporting evidence for linkages in N and P acquisition. Endemics were more likely to occur on Tsuga heterophylla (a disjunct host genus) than Picea sitchensis (a circumpolar genus). The Inocybaceae and Thelephoraceae families had high proportions of endemic taxa, while species in Cortinariaceae were largely cosmopolitan, indicating some niche conservatism among genera.
We conclude that superior adaptive traits in relation to perhumid soils were skewed toward the endemic community, underscoring the potentially important contribution of these localized fungi to rainforest nutrition and productivity.

查看原文本刊更多论文

外生菌根真菌的孢子果营养表明，在高产温带雨林中，特有物种发挥着重要作用。

外生菌根真菌（EMF）的特有物种遍布许多生物群落，但尚不清楚它们的局部分布是由栖息地过滤还是地理扩散障碍决定的。我们研究了不列颠哥伦比亚省全湿润温带雨林中特有和世界性EMF物种之间的群落组成（通过长读代谢条形码）和孢子虫营养差异，其特征是土壤具有高氮（N）供应和低磷（P）和阳离子可利用性。地方性EMF物种几乎占群落的一半，其子孢子N（高24%）、钾（+16%）和镁（+17%）浓度明显高于世界性物种。孢子虫磷的浓度相对较低，并且在真菌范围内没有差异。然而，子实体N%和P%具有很好的相关性，支持了N和P获取之间的联系。地方病更可能发生在异叶杉属（一个分离的寄主属）上，而不是云杉属（一种环极属）。Inocybaceae和Thelephoraceae科的特有分类群比例较高，而Cortinariaceae的物种在很大程度上是世界性的，这表明各属之间存在一定的生态位保守性。我们得出的结论是，与过热土壤相关的优越适应性特征偏向于地方性群落，强调了这些地方性真菌对雨林营养和生产力的潜在重要贡献。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

求助全文

约1分钟内获得全文求助全文

来源期刊

New Phytologist 生物-植物科学

自引率

5.30%

发文量

728

期刊介绍： New Phytologist is an international electronic journal published 24 times a year. It is owned by the New Phytologist Foundation, a non-profit-making charitable organization dedicated to promoting plant science. The journal publishes excellent, novel, rigorous, and timely research and scholarship in plant science and its applications. The articles cover topics in five sections: Physiology & Development, Environment, Interaction, Evolution, and Transformative Plant Biotechnology. These sections encompass intracellular processes, global environmental change, and encourage cross-disciplinary approaches. The journal recognizes the use of techniques from molecular and cell biology, functional genomics, modeling, and system-based approaches in plant science. Abstracting and Indexing Information for New Phytologist includes Academic Search, AgBiotech News & Information, Agroforestry Abstracts, Biochemistry & Biophysics Citation Index, Botanical Pesticides, CAB Abstracts®, Environment Index, Global Health, and Plant Breeding Abstracts, and others.