Comparative virome analysis of individual shedding routes of Miniopterus fuliginosus bats inhabiting the Wavul Galge Cave, Sri Lanka

Author:

Muzeniek ThereseORCID,Perera Thejanee,Siriwardana Sahan,Bas Dilara,Bayram Fatimanur,Öruc Mizgin,Becker-Ziaja Beate,Perera Inoka,Weerasena Jagathpriya,Handunnetti Shiroma,Schwarz Franziska,Premawansa Gayani,Premawansa Sunil,Yapa Wipula,Nitsche Andreas,Kohl Claudia

Abstract

AbstractBats are described as the natural reservoir host for a wide range of viruses. Although an increasing number of bat-associated, potentially human pathogenic viruses were discovered in the past, the full picture of the bat viromes is not explored yet. In this study, the virome composition from Miniopterus fuliginosus bats inhabiting the Wavul Galge cave, Sri Lanka, was analyzed. To assess different possible shedding routes, oral swabs, feces and urine were collected and analyzed individually by using metagenomic NGS. The data obtained was further evaluated by using phylogenetic reconstructions.Two different alphacoronavirus strains were detected in feces and urine samples. Furthermore, a paramyxovirus was detected in urine samples. Sequences related to Picornaviridae, Iflaviridae, unclassified Riboviria and Astroviridae were identified in feces samples, and further sequences related to Astroviridae in urine samples. No further viruses were detected in oral swab samples.The comparative virome analysis in this study revealed a diversity in the virome composition between the collected sample types which also represent different potential shedding routes for the detected viruses. At the same time, several viruses were detected for the first time in bats in Sri Lanka.The detection of two different coronaviruses in the samples indicates the potential general persistence of this virus species in M. fuliginosus bats. Based on phylogenetics, the identified viruses are closer related to bat-associated viruses with comparably low human pathogenic potential. In further studies, the seasonal variation of the virome will be analyzed to identify possible shedding patterns for particular viruses.

Publisher

Cold Spring Harbor Laboratory

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