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Keywords = Schreiber’s bat

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10 pages, 4681 KiB  
Article
Metagenomic Sequencing of Lloviu Virus from Dead Schreiber’s Bats in Bosnia and Herzegovina
by Sejla Goletic, Teufik Goletic, Jasmin Omeragic, Jovana Supic, Naida Kapo, Melisa Nicevic, Vedad Skapur, Dunja Rukavina, Zinka Maksimovic, Adis Softic and Amer Alic
Microorganisms 2023, 11(12), 2892; https://doi.org/10.3390/microorganisms11122892 - 30 Nov 2023
Cited by 4 | Viewed by 1948
Abstract
Bats are a natural host for a number of viruses, many of which are zoonotic and thus present a threat to human health. RNA viruses of the family Filoviridae, many of which cause disease in humans, have been associated with specific bat hosts. [...] Read more.
Bats are a natural host for a number of viruses, many of which are zoonotic and thus present a threat to human health. RNA viruses of the family Filoviridae, many of which cause disease in humans, have been associated with specific bat hosts. Lloviu virus is a Filovirus which has been connected to mass mortality events in Miniopterus schreibersii colonies in Spain and Hungary, and some studies have indicated its immense zoonotic potential. A die-off has been recorded among Miniopterus schreibersii in eastern Bosnia and Herzegovina for the first time, prompting the investigation to determine the causative agent. Bat carcasses were collected and subjected to pathological examination, after which the lung samples with notable histopathological changes, lung samples with no changes and guano were analyzed using metagenomic sequencing and RT-PCR. A partial Lloviu virus genome was sequenced from lung samples with histopathological changes and found to be closely related to Hungarian and Italian virus sequences. Further accumulation of mutations on the GP gene, coding the glycoprotein responsible for cell tropism and host preference, enhances the need for further characterization and monitoring of this virus to prevent spillover events and protect human health. Full article
(This article belongs to the Special Issue Emerging Viral Zoonoses)
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8 pages, 930 KiB  
Article
Seroprevalence of Toscana Virus and Sandfly Fever Sicilian Virus in European Bat Colonies Measured Using a Neutralization Test
by Nazli Ayhan, Marc López-Roig, Abir Monastiri, Remi N. Charrel and Jordi Serra-Cobo
Viruses 2021, 13(1), 88; https://doi.org/10.3390/v13010088 - 11 Jan 2021
Cited by 8 | Viewed by 3822
Abstract
Toscana phlebovirus (TOSV) and Sicilian phlebovirus (SFSV) are endemic in the Mediterranean area where they are transmitted to humans by infected sandflies. Vertebrates of several species have been postulated to act as reservoirs of these viruses, but convincing evidence is still awaited. Among [...] Read more.
Toscana phlebovirus (TOSV) and Sicilian phlebovirus (SFSV) are endemic in the Mediterranean area where they are transmitted to humans by infected sandflies. Vertebrates of several species have been postulated to act as reservoirs of these viruses, but convincing evidence is still awaited. Among them, bats have been suggested, however documented evidence is lacking. Here we tested a total of 329 bats belonging to eight species collected from twelve localities in southern Spain for the presence of neutralizing antibodies specific to TOSV and SFSV. Positive sera were detected in Schreiber’s long-fingered bat (Miniopterus schreibersii), mouse-eared Myotis (Myotis myotis), European free-tailed bat (Tadarida teniotis), and common serotine (Eptesicus serotinus) with the latter showing the highest prevalence rates for SFSV (22.6%) and TOSV (10%). There was no difference between females and males. Results suggest that bats are not likely to play a major role in the natural cycle of these two sandfly-borne phleboviruses. However, large breeding colonies of bats can be used as sentinels for surveillance of the presence of such viruses in a given locality. In addition, capture–recapture studies should be initiated in order to understand better the dynamics of TOSV and SFSV in bat populations. Full article
(This article belongs to the Collection Emerging Arboviruses, Volume II)
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21 pages, 3861 KiB  
Article
First Evidence of Antibodies Against Lloviu Virus in Schreiber’s Bent-Winged Insectivorous Bats Demonstrate a Wide Circulation of the Virus in Spain
by Eva Ramírez de Arellano, Mariano Sanchez-Lockhart, Maria J. Perteguer, Maggie Bartlett, Marta Ortiz, Pamela Campioli, Ana Hernández, Jeanette Gonzalez, Karla Garcia, Manolo Ramos, Miguel Ángel Jiménez-Clavero, Antonio Tenorio, Mª Paz Sánchez-Seco, Félix González, Juan Emilio Echevarría, Gustavo Palacios and Anabel Negredo
Viruses 2019, 11(4), 360; https://doi.org/10.3390/v11040360 - 19 Apr 2019
Cited by 17 | Viewed by 7027
Abstract
Although Lloviu virus (LLOV) was discovered in the carcasses of insectivorous Schreiber’s Bent-winged bats in the caves of Northern Spain in 2002, its infectivity and pathogenicity remain unclear. We examined the seroprevalence of LLOV in potentially exposed Schreiber’s Bent-winged bats (n = [...] Read more.
Although Lloviu virus (LLOV) was discovered in the carcasses of insectivorous Schreiber’s Bent-winged bats in the caves of Northern Spain in 2002, its infectivity and pathogenicity remain unclear. We examined the seroprevalence of LLOV in potentially exposed Schreiber’s Bent-winged bats (n = 60), common serotine bats (n = 10) as controls, and humans (n = 22) using an immunoblot assay. We found antibodies against LLOV GP2 in all of Schreiber’s Bent-winged bats serum pools, but not in any of the common serotine bats and human pools tested. To confirm this seroreactivity, 52 serums were individually tested using Domain Programmable Arrays (DPA), a phage display based-system serology technique for profiling filovirus epitopes. A serological signature against different LLOV proteins was obtained in 19/52 samples tested (36.5%). The immunodominant response was in the majority specific to LLOV-unique epitopes, confirming that the serological response detected was to LLOV. To our knowledge, this is the first serological evidence of LLOV exposure in live captured Schreiber’s Bent-winged bats, dissociating LLOV circulation as the cause of the previously reported die-offs. Full article
(This article belongs to the Collection Advances in Ebolavirus, Marburgvirus, and Cuevavirus Research)
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