期刊
FEMS MICROBIOLOGY ECOLOGY
卷 99, 期 4, 页码 -出版社
OXFORD UNIV PRESS
DOI: 10.1093/femsec/fiad028
关键词
16S; colombia; geography; Heliconius; microbial; microbiota
类别
A study found that the microbiota of Heliconius butterflies varies with geographic and habitat variations, but is not associated with pollen feeding. The microbiota of different species is taxonomically similar but varies in abundance, with the variation associated with the Central Cordillera of Colombia.
Heliconius butterflies are an ideal organism for studying ecology, behavior, adaptation, and speciation. These butterflies can be found in various locations and habitats in Central and South America, where they encounter and interact with different sources of pollen, nectar, and host plants. However, there is limited knowledge on how geographic and habitat variations affect the microbiota of these insects, and whether microbial associates play a role in their ability to exploit different habitats. To date, research on the microbial communities associated with Heliconius has mainly focused on host phylogenetic signal in microbiomes or microbiome characterization in specific communities of butterflies. In this study, we characterized the microbiomes of several species and populations of Heliconius from distant locations that represent contrasting environments. We found that the microbiota of different Heliconius species is taxonomically similar but vary in abundance. Notably, this variation is associated with a major geographic barrier-the Central Cordillera of Colombia. Additionally, we confirmed that this microbiota is not associated with pollen-feeding. Therefore, it seems likely that geography shapes the abundance of microbiota that the butterfly carries, but not the taxonomic diversity of the microbial community. Based on the current evidence, the bacterial microbiota associated with Heliconius does not appear to play a beneficial role for these butterflies. Microbial communities in tropical butterflies.
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