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Symbiotic bacterial communities in rainforest fungus-farming ants: evidence for species and colony specificity. | LitMetric

Symbiotic bacterial communities in rainforest fungus-farming ants: evidence for species and colony specificity.

Sci Rep

Departamento de Biologia Animal, C.P. 6109, Universidade Estadual de Campinas, 13083-862, Campinas, SP, Brazil.

Published: June 2020

AI Article Synopsis

  • - Animals, like fungus-farming ants, host diverse bacteria that impact their behavior, health, and ecology, especially in mutualistic relationships with microorganisms.
  • - This study focused on the bacterial communities of five species of fungus-farming ants in Brazil's Atlantic rainforest, using advanced DNA sequencing techniques to analyze their structure and diversity.
  • - Results revealed that bacterial communities are specific to each ant species and colony, with minimal differences between ants inside the nest and those foraging outside, underscoring the significance of these microbial relationships in ant ecology.

Article Abstract

Animals may host diverse bacterial communities that can markedly affect their behavioral physiology, ecology, and vulnerability to disease. Fungus-farming ants represent a classical example of mutualism that depends on symbiotic microorganisms. Unraveling the bacterial communities associated with fungus-farming ants is essential to understand the role of these microorganisms in the ant-fungus symbiosis. The bacterial community structure of five species of fungus-farmers (non-leaf-cutters; genera Mycocepurus, Mycetarotes, Mycetophylax, and Sericomyrmex) from three different environments in the Brazilian Atlantic rainforest (lowland forest, restinga forest, and sand dunes) was characterized with amplicon-based Illumina sequencing of 16 S ribosomal RNA gene. Possible differences in bacterial communities between ants internal to the nest (on the fungus garden) and external foragers were also investigated. Our results on the richness and diversity of associated bacteria provide novel evidence that these communities are host- and colony-specific in fungus-farming ants. Indeed, the bacterial communities associated with external foragers differ among the five species, and among colonies of the same species. Furthermore, bacterial communities from internal ants vs. foragers do not differ or differ only slightly within each ant species. This study highlights the importance of describing ant-associated bacterial communities to better understand this host-bacterial interaction in the social environment of insect colonies and provides the foundation for future studies on the ecological and evolutionary processes that drive the success of fungus-farming ants.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7311517PMC
http://dx.doi.org/10.1038/s41598-020-66772-6DOI Listing

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