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Hunters or farmers? Microbiome characteristics help elucidate the diet composition in an aquatic carnivorous plant


Sirová, Dagmara; Bárta, Jiří; Šimek, Karel; Posch, Thomas; Pech, Jiří; Stone, James; Borovec, Jakub; Adamec, Lubomír; Vrba, Jaroslav (2018). Hunters or farmers? Microbiome characteristics help elucidate the diet composition in an aquatic carnivorous plant. Microbiome, 6(1):225.

Abstract

Background
Utricularia are rootless aquatic carnivorous plants which have recently attracted the attention of researchers due to the peculiarities of their miniaturized genomes. Here, we focus on a novel aspect of Utricularia ecophysiology—the interactions with and within the complex communities of microorganisms colonizing their traps and external surfaces.
Results
Bacteria, fungi, algae, and protozoa inhabit the miniature ecosystem of the Utricularia trap lumen and are involved in the regeneration of nutrients from complex organic matter. By combining molecular methods, microscopy, and other approaches to assess the trap-associated microbial community structure, diversity, function, as well as the nutrient turn-over potential of bacterivory, we gained insight into the nutrient acquisition strategies of the Utricularia hosts.
Conclusions
We conclude that Utricularia traps can, in terms of their ecophysiological function, be compared to microbial cultivators or farms, which center around complex microbial consortia acting synergistically to convert complex organic matter, often of algal origin, into a source of utilizable nutrients for the plants.

Abstract

Background
Utricularia are rootless aquatic carnivorous plants which have recently attracted the attention of researchers due to the peculiarities of their miniaturized genomes. Here, we focus on a novel aspect of Utricularia ecophysiology—the interactions with and within the complex communities of microorganisms colonizing their traps and external surfaces.
Results
Bacteria, fungi, algae, and protozoa inhabit the miniature ecosystem of the Utricularia trap lumen and are involved in the regeneration of nutrients from complex organic matter. By combining molecular methods, microscopy, and other approaches to assess the trap-associated microbial community structure, diversity, function, as well as the nutrient turn-over potential of bacterivory, we gained insight into the nutrient acquisition strategies of the Utricularia hosts.
Conclusions
We conclude that Utricularia traps can, in terms of their ecophysiological function, be compared to microbial cultivators or farms, which center around complex microbial consortia acting synergistically to convert complex organic matter, often of algal origin, into a source of utilizable nutrients for the plants.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Department of Plant and Microbial Biology
Dewey Decimal Classification:580 Plants (Botany)
Scopus Subject Areas:Life Sciences > Microbiology
Health Sciences > Microbiology (medical)
Language:English
Date:1 December 2018
Deposited On:13 Feb 2019 13:05
Last Modified:15 Apr 2020 22:58
Publisher:BioMed Central
ISSN:2049-2618
OA Status:Gold
Free access at:PubMed ID. An embargo period may apply.
Publisher DOI:https://doi.org/10.1186/s40168-018-0600-7
PubMed ID:30558682

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