Species diversity of fungal endophytes across a stress gradient for plants

© 2020 The Authors. New Phytologist © 2020 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 228(2020), 1 vom: 29. Okt., Seite 210-225
1. Verfasser: Oono, Ryoko (VerfasserIn)
Weitere Verfasser: Black, Danielle, Slessarev, Eric, Sickler, Burton, Strom, Amanda, Apigo, Austen
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, U.S. Gov't, Non-P.H.S. Pinus muricata Vaccinium ovatum endophytes nitrogen phenolics resource availability sodium species richness Soil
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520 |a Foliar fungal endophytes are one of the most diverse guilds of symbiotic fungi found in the photosynthetic tissues of every plant lineage, but it is unclear how plant environments and leaf resource availability shape their diversity. We explored correlations between leaf nutrient availability and endophyte diversity among Pinus muricata and Vaccinium ovatum plants growing across a soil nutrient gradient spanning a series of coastal terraces in Mendocino, California. Endophyte richness decreased in plants with higher leaf nitrogen-to-phosphorus ratios for both host species, but increased with sodium, which may be toxic to fungi at high concentrations. Isolation frequency, a proxy of fungal biomass, was not significantly predicted by any of the same leaf constituents in the two plant species. We propose that stressed plants can exhibit both low foliar nutrients or high levels of toxic compounds, and that both of these stress responses predict endophyte species richness. Stressful conditions that limit growth of fungi may increase their diversity due to the suppression of otherwise dominating species. Differences between the host species in their endophyte communities may be explained by host specificity, leaf phenology, or microclimates 
650 4 |a Journal Article 
650 4 |a Research Support, U.S. Gov't, Non-P.H.S. 
650 4 |a Pinus muricata 
650 4 |a Vaccinium ovatum 
650 4 |a endophytes 
650 4 |a nitrogen 
650 4 |a phenolics 
650 4 |a resource availability 
650 4 |a sodium 
650 4 |a species richness 
650 7 |a Soil  |2 NLM 
700 1 |a Black, Danielle  |e verfasserin  |4 aut 
700 1 |a Slessarev, Eric  |e verfasserin  |4 aut 
700 1 |a Sickler, Burton  |e verfasserin  |4 aut 
700 1 |a Strom, Amanda  |e verfasserin  |4 aut 
700 1 |a Apigo, Austen  |e verfasserin  |4 aut 
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