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International Journal of Morphology

versión On-line ISSN 0717-9502

Resumen

NUNEZ-MONTERO, Kattia et al. Bacterial Communities in Fecal Samples of Myotis chiloensis from Southern, Chile. Int. J. Morphol. [online]. 2021, vol.39, n.1, pp.57-63. ISSN 0717-9502.  http://dx.doi.org/10.4067/S0717-95022021000100057.

The insectivorous bat Myotis chiloensis is endemic of South America. Even though potentially pathogenic bacterial species of Mycoplasma have been reported from this species, there are no further studies regarding the bacterial communities they harbor. This may provide important insights for the better understanding of its ecology, diet and implications in cross-species pathogens transmission. Here we report a first survey on bacterial communities of M. chiloensis based on metagenomic analysis of fecal samples. We found that taxonomic profile is dominated by Proteobacteria (23.7 to 57.7 %) and Firmicutes (11.8 to 61.6 %), which main families are represented by Burkholderiaceae- Enterobacteriaceae and Veillonellaceae-Bacillaceae, respectively. Phyla Bacteroidetes, Actinobacteria, Cyanobacteria, Planctomycetes and Acidobacteria were also present with abundance above 1 % of the total reads. Variations among individuals could be observed at genus level and no significant differences were found between sex groups regarding taxonomic profiles and diversity. Potentially pathogenic species were also detected in all the samples, including Staphylococcus aureus and Clostridium perfringens. Our results highlight the significance M. chiloensis as a reservoir of pathogenic bacteria and its microbiota as an interesting ecological model due to its wide distribution. Further metagenomic studies are necessary for a better understanding of M. chiloensis diet and its host-symbiont relationships.

Palabras clave : Chiroptera; Guano; Metagenomics; Microbiota; Pathogenic bacteria.

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