Comparison of the microbiome and mycobiome in tissues of the tropical carnivorous epiphytic herb Utricularia jamesoniana Oliv. (Lentibulariaceae)

keywords: bladderworts, carnivorous plants, bacteria, fungi, microbial diversity

Abstract

Background: Utricularia jamesoniana, a small epiphytic plant found in wet tropical forests, stands out for its carnivorous habit, intricate trap system, and small but beautiful and complex flowers. This species remains relatively understudied despite its wide geographical distribution and curious adaptations.

Questions: Our aim is to elucidate the composition of bacterial and fungal communities inhabiting both the bladders and leaves of Utricularia jamesoniana, facilitating the comprehension of the physiology and ecological dynamics of this carnivorous species.

Methods: In this study, we employed 16S rRNA and ITS sequencing to compare the prokaryotic and fungal communities within leaves and traps of U. jamesoniana.

Results: The analysis of amplicon sequence variants (ASVs) unveiled notable differences in community composition depending on the plant tissue and type of microorganism. Prokaryotic communities predominantly comprised Proteobacteria and Actinobacteriota, featuring genera such as Acidocella, Bradyrhizobium, Ferritrophicum, and Ferrovum. Fungal communities were dominated by Ascomycota and Basidiomycota, encompassing representatives of Dothideomycetes, Sordariomycetes, Eurotiomycetes, and Agaricomycetes, as well as ASVs related to Mycosphaerellaceae, Colletotrichum, Aspergillus, and Thanatephorus. We determined that the prokaryotic diversity was higher in the bladders with respect to the leaves. Fungal communities, in turn, were more diverse in leaves than in bladders.

Conclusions: This study sheds light on the microbial communities associated with this carnivorous epiphyte and provides valuable insights into the intricate relationships between the plant and its microbial inhabitants across different tissues.

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Comparison of the microbiome and mycobiome in tissues of the tropical carnivorous epiphytic herb <em>Utricularia jamesoniana</em> Oliv. (Lentibulariaceae)

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Published
2024-03-05
How to Cite
Naranjo-Aguilar, V., Mora-Castro, R., Morera-Huertas, J., Acuña-Castillo, R. H., & Rojas-Jimenez, K. (2024). Comparison of the microbiome and mycobiome in tissues of the tropical carnivorous epiphytic herb Utricularia jamesoniana Oliv. (Lentibulariaceae). Botanical Sciences, 102(2), 401-415. https://doi.org/10.17129/botsci.3437
Section
ECOLOGY / ECOLOGÍA