First report on metabarcoding analysis of gut microbiome in Island Flying Fox (Pteropus hypomelanus) in island populations of Malaysia

Nur Syafika, Mohd Yusof and Muhammad Abu Bakar, Abdul-Latiff and Mohd Ridwan, Abdul Rahman and Aqilah Sakinah, Badrulisham and Nursyuhada, Othman and Salmah, Yaakop and Shukor, Md Nor and Badrul Munir, Md Zain (2022) First report on metabarcoding analysis of gut microbiome in Island Flying Fox (Pteropus hypomelanus) in island populations of Malaysia. Biodiversity Data Journal, 10 (e69631). pp. 1-23. ISSN 1314-2836 (print)

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Abstract

Flying fox (Pteropus hypomelanus) belongs to the frugivorous bats, which play a crucial role in maintaining proper functioning of an ecosystem and conservation of the environment. Bats are well-known carriers of pathogenic viruses, such as BatCov RaTG13 from the coronavirus family that share 90.55% with SARS-CoV-2, the pathogen causing recent global pandemic coronavirus disease 19 (COVID-19). However, bats’ possible role as a carrier of pathogenic bacteria is less explored. Here, using metabarcoding analysis through high-throughput sequencing, we explored the gut microbiome composition of different island populations on the east and west coasts of Peninsula Malaysia. The 16S rRNA gene in samples from Redang Island, Langkawi Island, Pangkor Island and Tinggi Island was amplified. Bacterial community composition and structure were analysed with α and β diversity metrics. A total of 25,658 operational taxonomic units at 97% similarity were assigned to eight phyla, 44 families, 61 genera and 94 species of microbes. The Proteobacteria was the dominant phylum in all populations. Meanwhile, the genera Enterobacter, Pseudomonas and Klebsiella, isolated in this study, were previously found in the rectum of other fruit bats. Our analyses suggest that Redang Island and Langkawi Island have high bacteria diversity. Thus, we found geographic locality is a strong predictor of microbial community composition and observed a positive correlation between ecological features and bacterial richness.

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