Genetic diversity and ecology of coronaviruses hosted by cave-dwelling bats in Gabon.

Abstract:

:Little research on coronaviruses has been conducted on wild animals in Africa. Here, we screened a wide range of wild animals collected in six provinces and five caves of Gabon between 2009 and 2015. We collected a total of 1867 animal samples (cave-dwelling bats, rodents, non-human primates and other wild animals). We explored the diversity of CoVs and determined the factors driving the infection of CoVs in wild animals. Based on a nested reverse transcription-polymerase chain reaction, only bats, belonging to the Hipposideros gigas (4/156), Hipposideros cf. ruber (13/262) and Miniopterus inflatus (1/249) species, were found infected with CoVs. We identified alphacoronaviruses in H. gigas and H. cf. ruber and betacoronaviruses in H. gigas. All Alphacoronavirus sequences grouped with Human coronavirus 229E (HCoV-229E). Ecological analyses revealed that CoV infection was significantly found in July and October in H. gigas and in October and November in H. cf ruber. The prevalence in the Faucon cave was significantly higher. Our findings suggest that insectivorous bats harbor potentially zoonotic CoVs; highlight a probable seasonality of the infection in cave-dwelling bats from the North-East of Gabon and pointed to an association between the disturbance of the bats' habitat by human activities and CoV infection.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Maganga GD,Pinto A,Mombo IM,Madjitobaye M,Mbeang Beyeme AM,Boundenga L,Ar Gouilh M,N'Dilimabaka N,Drexler JF,Drosten C,Leroy EM

doi

10.1038/s41598-020-64159-1

subject

Has Abstract

pub_date

2020-04-30 00:00:00

pages

7314

issue

1

issn

2045-2322

pii

10.1038/s41598-020-64159-1

journal_volume

10

pub_type

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