Elevated carbon dioxide reduces a common soybean leaf endophyte

© 2021 John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Global change biology. - 1999. - 27(2021), 17 vom: 22. Sept., Seite 4154-4168
1. Verfasser: Christian, Natalie (VerfasserIn)
Weitere Verfasser: Espino Basurto, Baldemar, Toussaint, Amber, Xu, Xinyan, Ainsworth, Elizabeth A, Busby, Posy E, Heath, Katy D
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:Global change biology
Schlagworte:Journal Article Methylobacterium FACE (free-air CO2 enrichment) Glycine max (soybean) endophytes fungi in vitro assays microbiome Carbon Dioxide 142M471B3J
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520 |a Free-air CO2 enrichment (FACE) experiments have elucidated how climate change affects plant physiology and production. However, we lack a predictive understanding of how climate change alters interactions between plants and endophytes, critical microbial mediators of plant physiology and ecology. We leveraged the SoyFACE facility to examine how elevated [CO2 ] affected soybean (Glycine max) leaf endophyte communities in the field. Endophyte community composition changed under elevated [CO2 ], including a decrease in the abundance of a common endophyte, Methylobacterium sp. Moreover, Methylobacterium abundance was negatively correlated with co-occurring fungal endophytes. We then assessed how Methylobacterium affected the growth of co-occurring endophytic fungi in vitro. Methylobacterium antagonized most co-occurring fungal endophytes in vitro, particularly when it was more established in culture before fungal introduction. Variation in fungal response to Methylobacterium within a single fungal operational taxonomic unit (OTU) was comparable to inter-OTU variation. Finally, fungi isolated from elevated vs. ambient [CO2 ] plots differed in colony growth and response to Methylobacterium, suggesting that increasing [CO2 ] may affect fungal traits and interactions within the microbiome. By combining in situ and in vitro studies, we show that elevated [CO2 ] decreases the abundance of a common bacterial endophyte that interacts strongly with co-occurring fungal endophytes. We suggest that endophyte responses to global climate change will have important but largely unexplored implications for both agricultural and natural systems 
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650 4 |a Methylobacterium 
650 4 |a FACE (free-air CO2 enrichment) 
650 4 |a Glycine max (soybean) 
650 4 |a endophytes 
650 4 |a fungi 
650 4 |a in vitro assays 
650 4 |a microbiome 
650 7 |a Carbon Dioxide  |2 NLM 
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700 1 |a Espino Basurto, Baldemar  |e verfasserin  |4 aut 
700 1 |a Toussaint, Amber  |e verfasserin  |4 aut 
700 1 |a Xu, Xinyan  |e verfasserin  |4 aut 
700 1 |a Ainsworth, Elizabeth A  |e verfasserin  |4 aut 
700 1 |a Busby, Posy E  |e verfasserin  |4 aut 
700 1 |a Heath, Katy D  |e verfasserin  |4 aut 
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773 1 8 |g volume:27  |g year:2021  |g number:17  |g day:22  |g month:09  |g pages:4154-4168 
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