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Insights into the host range, genetic diversity, and geographical distribution of jingmenviruses

Temmam Sarah, Bigot Thomas, Chrétien Delphine, Gondard Mathilde, Pérot Philippe, Pommelet Virginie, Dufour Evelyne, Petres Stéphane, Devillers Elodie, Hoem Thavry, Pinarello Valérie, Hul Vibol, Vongphayloth Khamsing, Hertz Jeffrey C., Loiseau Irène, Dumarest Marine, Duong Veasna, Vayssier-Taussat Muriel, Grandadam Marc, Albina Emmanuel, Dussart Philippe, Moutailler Sara, Cappelle Julien, Brey Paul T., Eloit Marc. 2019. Insights into the host range, genetic diversity, and geographical distribution of jingmenviruses. mSphere, 4 (6):e00645-19, 13 p.

Journal article ; Article de recherche ; Article de revue à facteur d'impact Revue en libre accès total
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Quartile : Q1, Sujet : MICROBIOLOGY

Abstract : Jingmenvirus is a recently identified group of segmented RNA viruses phylogenetically linked with unsegmented Flaviviridae viruses. Primarily identified in various tick genera originating in China, Jingmenvirus geographical distribution has rapidly expanded to cover Africa, South America, Caribbean, and Europe. The identification of Jingmen-related viruses in various mammals, including febrile humans, opens the possibility that Jingmenviruses may be novel tick-borne arboviruses. In this study, we aimed at increasing knowledge of the host range, genetic diversity, and geographical distribution of Jingmenviruses by reporting for the first time the identification of Jingmenviruses associated with Rhipicephalus microplus ticks originating in the French Antilles (Guadeloupe and Martinique islands), with Amblyomma testudinarium ticks in Lao PDR, and with Ixodes ricinus ticks in metropolitan France, and from urine of Pteropus lylei bats in Cambodia. Analyses of the relationships between the different Jingmenvirus genomes resulted in the identification of three main phylogenic subclades, each of them containing both tick-borne and mammal-borne strains, reinforcing the idea that Jingmenviruses may be considered as tick-borne arboviruses. Finally, we estimated the prevalence of Jingmenvirus-like infection using luciferase immunoprecipitation assay screening (LIPS) of asymptomatic humans and cattle highly exposed to tick bites. Among 70 French human, 153 Laotian human, and 200 Caribbean cattle sera tested, only one French human serum was found (slightly) positive, suggesting that the prevalence of Jingmenvirus human and cattle infections in these areas is probably low. IMPORTANCE Several arboviruses emerging as new pathogens for humans and domestic animals have recently raised public health concern and increased interest in the study of their host range and in detection of spillover events. Recently, a new group of segmented Flaviviridae-related viruses, the Jingmenviruses, has been identified worldwide in many invertebrate and vertebrate hosts, pointing out the issue of whether they belong to the arbovirus group. The study presented here combined whole-genome sequencing of three tick-borne Jingmenviruses and one bat-borne Jingmenvirus with comprehensive phylogenetic analyses and high-throughput serological screening of human and cattle populations exposed to these viruses to contribute to the knowledge of Jingmenvirus host range, geographical distribution, and mammalian exposure.

Mots-clés Agrovoc : Virus des animaux, Maladie transmissible par tiques, Variation génétique, Distribution géographique, Relation hôte pathogène

Classification Agris : L72 - Pests of animals
L73 - Animal diseases

Champ stratégique Cirad : CTS 4 (2019-) - Santé des plantes, des animaux et des écosystèmes

Auteurs et affiliations

  • Temmam Sarah, Institut Pasteur (FRA) - auteur correspondant
  • Bigot Thomas, Institut Pasteur (FRA)
  • Chrétien Delphine, Institut Pasteur (FRA)
  • Gondard Mathilde, CIRAD-BIOS-UMR ASTRE (FRA)
  • Pérot Philippe, Institut Pasteur (FRA)
  • Pommelet Virginie, Institut Pasteur du Laos (LAO)
  • Dufour Evelyne, Institut Pasteur (FRA)
  • Petres Stéphane, Institut Pasteur (FRA)
  • Devillers Elodie, ANSES (FRA)
  • Hoem Thavry, Institut Pasteur du Cambodge (KHM)
  • Pinarello Valérie, CIRAD-BIOS-UMR ASTRE (GLP) ORCID: 0000-0002-9209-2111
  • Hul Vibol, Institut Pasteur du Cambodge (KHM)
  • Vongphayloth Khamsing, Institut Pasteur du Laos (LAO)
  • Hertz Jeffrey C., NAMRU-2 (KHM)
  • Loiseau Irène, Institut Pasteur (FRA)
  • Dumarest Marine, Institut Pasteur (FRA)
  • Duong Veasna, Institut Pasteur du Cambodge (KHM)
  • Vayssier-Taussat Muriel, ANSES (FRA)
  • Grandadam Marc, Institut Pasteur (FRA)
  • Albina Emmanuel, CIRAD-BIOS-UMR ASTRE (GLP)
  • Dussart Philippe, Institut Pasteur du Cambodge (KHM)
  • Moutailler Sara, ANSES (FRA)
  • Cappelle Julien, CIRAD-BIOS-UMR ASTRE (FRA) ORCID: 0000-0001-7668-1971
  • Brey Paul T., Institut Pasteur du Laos (LAO)
  • Eloit Marc, Institut Pasteur (FRA)

Source : Cirad-Agritrop (https://agritrop.cirad.fr/594865/)

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