Table of Contents
Pathogens, Volume 9, Issue 6 (June 2020) – 102 articles
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Cover Story (view full-size image) In this paper, we ask whether host species impose a strong structural effect on the gut microbiota [...] Read more. In this paper, we ask whether host species impose a strong structural effect on the gut microbiota of Phlebotomine sandflies, main vectors of Leishmania spp.. Amplicon sequencing analysis of the gut microbiota in Leishmania-free P. papatasi, P. neglectus, P. tobbi, and P. similis sandflies, collected from the island of Leros, Greece, showed a strong structural effect of host genotype on the gut bacterial community. P. papatasi carried the most distinct microbiota dominated by two Spiroplasma and Wolbachia OTUs. Archaea showed a low presence of dominant OTUs belonging to methanogenic Euryarcheota, ammonia-oxidizing Thaumarcheota, and Nanoarchaeota. We provide first insights into the composition of the bacterial and archaeal community of Phlebotomus sandflies and showed that in the absence of Leishmania, host genotype is the major modulator of Phlebotomus gut microbiota.