Facultative root-colonizing fungi dominate endophytic assemblages in roots of nonmycorrhizal Microthlaspi species

© 2017 The Authors. New Phytologist © 2017 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 217(2018), 3 vom: 01. Feb., Seite 1190-1202
1. Verfasser: Glynou, Kyriaki (VerfasserIn)
Weitere Verfasser: Nam, Bora, Thines, Marco, Maciá-Vicente, Jose G
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Microthlaspi Brassicaceae biogeography fungal communities root endophytes saprotrophy symbiosis
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520 |a There is increasing knowledge on the diversity of root-endophytic fungi, but limited information on their lifestyles and dependence on hosts hampers our understanding of their ecological functions. We compared diversity and biogeographical patterns of cultivable and noncultivable root endophytes to assess whether their occurrence is determined by distinct ecological factors. The endophytic diversity in roots of nonmycorrhizal Microthlaspi spp. growing across Europe was assessed using high-throughput sequencing (HTS) and compared with a previous dataset based on cultivation of endophytes from the same root samples. HTS revealed a large fungal richness undetected by cultivation, but which largely comprised taxa with restricted distributions and/or low representation of sequence reads. Both datasets coincided in a consistent high representation of widespread endophytes within orders Pleosporales, Hypocreales and Helotiales, as well as similar associations of community structure with spatial and environmental conditions. Likewise, distributions of particular endophytes inferred by HTS agreed with cultivation data in suggesting individual ecological preferences. Our findings support that Microthlaspi spp. roots are colonized mostly by saprotrophic and likely facultative endophytes, and that differential niche preferences and distribution ranges among fungi importantly drive the assembly of root-endophytic communities 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Microthlaspi 
650 4 |a Brassicaceae 
650 4 |a biogeography 
650 4 |a fungal communities 
650 4 |a root endophytes 
650 4 |a saprotrophy 
650 4 |a symbiosis 
700 1 |a Nam, Bora  |e verfasserin  |4 aut 
700 1 |a Thines, Marco  |e verfasserin  |4 aut 
700 1 |a Maciá-Vicente, Jose G  |e verfasserin  |4 aut 
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