Do Host Plant and Associated Ant Species Affect Microbial Communities in Myrmecophytes?

Insects

CNRS, UMR EcoFoG, Agroparistech, CIRAD, INRA, Université de Guyane, Université des Antilles, Campus Agronomique, 97379 Kourou, France.

Published: November 2019

AI Article Synopsis

  • Ant-associated microbes play important but often unnoticed roles, particularly in interactions between ants, plants, and fungi.
  • The study focused on four species of specialist plant-ants in French Guiana, analyzing the microbial communities within their domatia structures.
  • Results revealed 69 microbial taxa, with Proteobacteria and Actinobacteria being the most diverse, and showed that microbial composition varied among ant species, influenced by geographical distance but not plant species.

Article Abstract

Ant-associated microorganisms can play crucial and often overlooked roles, and given the diversity of interactions that ants have developed, the study of the associated microbiomes is of interest. We focused here on specialist plant-ant species of the genus that grow a fungus to build galleries on their host-plant stems. -inhabited domatia, thus, might be a rich arena for microbes associated with the ants, the plant, and the fungus. We investigated the microbial communities present in domatia colonised by four arboreal ants: , , var. , and the non-fungus growing plant-ant sp. cf. , inhabiting or in French Guiana. We hypothesized that the microbial community will differ among these species. We isolated microorganisms from five colonies of each species, sequenced the 16S rRNA or Internal TranscribedSpacer (ITS) regions, and described both the alpha and beta diversities. We identified 69 microbial taxa, which belong to five bacterial and two fungal phyla. The most diverse phyla were Proteobacteria and Actinobacteria. The microbial community of cf. and spp. differed in composition and richness. Geographical distance affected microbial communities and richness but plant species did not. Actinobacteria were only associated with spp.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6920819PMC
http://dx.doi.org/10.3390/insects10110391DOI Listing

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