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Hunters or gardeners? Linking community structure and function of trap-associated microbes to the nutrient acquisition strategy of a carnivorous plant

Dagmara Sirová, Jiří Bárta, Karel Šimek, Thomas Posch, Jiří Pech, James Stone, Jakub Borovec, Lubomír Adamec, Jaroslav Vrba
doi: https://doi.org/10.1101/197020
Dagmara Sirová
1Biology Centre CAS, Institute of Hydrobiology, Na Sádkách 7, CZ-37005, Èeské Budìjovice, Czech Republic , tel. 387775872, fax. 385310248
2Faculty of Biological Sciences, University of South Bohemia, Branišovská 1760, CZ-37005 Èeské Budìjovice, Czech Republic
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  • For correspondence: dagmara_sirova@hotmail.com
Jiří Bárta
1Biology Centre CAS, Institute of Hydrobiology, Na Sádkách 7, CZ-37005, Èeské Budìjovice, Czech Republic , tel. 387775872, fax. 385310248
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  • For correspondence: dagmara_sirova@hotmail.com
Karel Šimek
1Biology Centre CAS, Institute of Hydrobiology, Na Sádkách 7, CZ-37005, Èeské Budìjovice, Czech Republic , tel. 387775872, fax. 385310248
2Faculty of Biological Sciences, University of South Bohemia, Branišovská 1760, CZ-37005 Èeské Budìjovice, Czech Republic
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  • For correspondence: dagmara_sirova@hotmail.com
Thomas Posch
3Limnological Station, Department of Plant and Microbial Biology, University of Zurich, Kilchberg CH-8802, Switzerland
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Jiří Pech
1Biology Centre CAS, Institute of Hydrobiology, Na Sádkách 7, CZ-37005, Èeské Budìjovice, Czech Republic , tel. 387775872, fax. 385310248
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  • For correspondence: dagmara_sirova@hotmail.com
James Stone
4University of Alaska Fairbanks, Department of Biology and Wildlife, Fairbanks, AK-99775, USA
5Institute of Experimental Botany CAS, Rozvojová 263, CZ-16502, Praha 6-Lysolaje, Czech Republic
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Jakub Borovec
2Faculty of Biological Sciences, University of South Bohemia, Branišovská 1760, CZ-37005 Èeské Budìjovice, Czech Republic
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Lubomír Adamec
6Institute of Botany CAS, Section of Plant Ecology, Dukelská 135, CZ-37982 Třeboň, Czech Republic
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Jaroslav Vrba
1Biology Centre CAS, Institute of Hydrobiology, Na Sádkách 7, CZ-37005, Èeské Budìjovice, Czech Republic , tel. 387775872, fax. 385310248
2Faculty of Biological Sciences, University of South Bohemia, Branišovská 1760, CZ-37005 Èeské Budìjovice, Czech Republic
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  • For correspondence: dagmara_sirova@hotmail.com
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Abstract

All higher eukaryotes live in a relationship with diverse microorganisms which colonize their bodily surfaces; plants are no exception. However, we still lack a satisfactory understanding of how these loosely associated microbiomes with immense diversity and functional potential interact with their hosts or how these interactions shape processes within populations and ecosystems. There is considerable similarity between microbial communities colonizing plant surfaces such as roots, and those of the animal gut. This often overlooked parallel allows us to look at microbial as well as host ecophysiology from a fresh perspective. The traps of carnivorous plants are sophisticated digestive organs and interface environments between the supply and the demand for nutrients. We selected the miniature ecosystem in the traps of aquatic carnivorous Utricularia plants as our model system. By assessing the trap-associated microbial community structure, diversity, function, as well as the nutrient recycling potential of bacterivory, we gained insight into the nutrient acquisition strategies of the Utricularia hosts. We conclude that trap ecophysiological function is in many aspects highly analogous to that of the herbivore gut and centers around complex microbial consortia, which act synergistically to covert complex organic matter, often of algal origin, into a source of nutrients for the plants.

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Posted October 02, 2017.
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Hunters or gardeners? Linking community structure and function of trap-associated microbes to the nutrient acquisition strategy of a carnivorous plant
Dagmara Sirová, Jiří Bárta, Karel Šimek, Thomas Posch, Jiří Pech, James Stone, Jakub Borovec, Lubomír Adamec, Jaroslav Vrba
bioRxiv 197020; doi: https://doi.org/10.1101/197020
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Hunters or gardeners? Linking community structure and function of trap-associated microbes to the nutrient acquisition strategy of a carnivorous plant
Dagmara Sirová, Jiří Bárta, Karel Šimek, Thomas Posch, Jiří Pech, James Stone, Jakub Borovec, Lubomír Adamec, Jaroslav Vrba
bioRxiv 197020; doi: https://doi.org/10.1101/197020

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