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Hery L, Guidez A, Durand AA, Delannay C, Normandeau-Guimond J, Reynaud Y, Issaly J, Goindin D, Legrave G, Gustave J, Raffestin S, Breurec S, Constant P, Dusfour I, Guertin C, Vega-Rúa A. Natural Variation in Physicochemical Profiles and Bacterial Communities Associated with Aedes aegypti Breeding Sites and Larvae on Guadeloupe and French Guiana. Microb Ecol 2021; 81:93-109. [PMID: 32621210 PMCID: PMC7794107 DOI: 10.1007/s00248-020-01544-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Accepted: 06/15/2020] [Indexed: 05/10/2023]
Abstract
Aedes aegypti develop in aquatic habitats in which mosquito larvae are exposed to physicochemical elements and microorganisms that may influence their life cycle and their ability to transmit arboviruses. Little is known about the natural bacterial communities associated with A. aegypti or their relation to the biotic and abiotic characteristics of their aquatic habitats. We characterized the physicochemical properties and bacterial microbiota of A. aegypti breeding sites and larvae on Guadeloupe and in French Guiana. In addition, we explored whether geographic location, the type of breeding site and physicochemical parameters influenced the microbiota associated with this mosquito species. We used large-scale 16S rRNA gene sequencing of 160 breeding sites and 147 pools of A. aegypti larvae and recorded 12 physicochemical parameters at the sampled breeding sites. Ordination plots and multiple linear regression were used to assess the influence of environmental factors on the bacterial microbiota of water and larvae. We found territory-specific differences in physicochemical properties (dissolved oxygen, conductivity) and the composition of bacterial communities in A. aegypti breeding sites that influenced the relative abundance of several bacteria genera (e.g., Methylobacterium, Roseoccocus) on the corresponding larvae. A significant fraction of the bacterial communities identified on larvae, dominated by Herbiconiux and Microvirga genera, were consistently enriched in mosquitoes regardless the location. In conclusion, territory-specific differences observed in the biotic and abiotic properties of A. aegypti breeding sites raise concern about the impact of these changes on pathogen transmission by different A. aegypti populations.
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Affiliation(s)
- Lyza Hery
- Laboratory of Vector Control Research, Transmission Reservoir and Pathogens Diversity Unit, Institut Pasteur of Guadeloupe, Morne Jolivière, Guadeloupe France
| | - Amandine Guidez
- Vector Control and Adaptation Unit, Cayenne, Institut Pasteur of French Guiana, Vectopôle Amazonien Emile Abonnenc, Cayenne, French Guiana France
| | | | - Christelle Delannay
- Laboratory of Vector Control Research, Transmission Reservoir and Pathogens Diversity Unit, Institut Pasteur of Guadeloupe, Morne Jolivière, Guadeloupe France
| | | | - Yann Reynaud
- Laboratory of Vector Control Research, Transmission Reservoir and Pathogens Diversity Unit, Institut Pasteur of Guadeloupe, Morne Jolivière, Guadeloupe France
| | - Jean Issaly
- Vector Control and Adaptation Unit, Cayenne, Institut Pasteur of French Guiana, Vectopôle Amazonien Emile Abonnenc, Cayenne, French Guiana France
| | - Daniella Goindin
- Laboratory of Vector Control Research, Transmission Reservoir and Pathogens Diversity Unit, Institut Pasteur of Guadeloupe, Morne Jolivière, Guadeloupe France
| | - Grégory Legrave
- Laboratory of Environment and Food Hygiene, Institut Pasteur of Guadeloupe, Morne Jolivière, Guadeloupe France
| | - Joel Gustave
- Regional Health Agency of Guadeloupe, Gourbeyre, Guadeloupe France
| | - Stéphanie Raffestin
- Laboratory of Environment and Hygiene, Institut Pasteur of French Guiana, Cayenne, French Guiana France
| | - Sebastien Breurec
- Transmission, Reservoir and Diversity of Pathogens Unit, Institut Pasteur of Guadeloupe, Pointe-à-Pitre, France
- Hyacinthe Bastaraud Faculty of Medicine, University of Antilles, Pointe-à-Pitre, France
- INSERM Centre for Clinical Investigation 1424, Pointe-à-Pitre, Les Abymes France
| | - Philippe Constant
- INRS-Centre Armand-Frappier Santé Biotechnologie, Laval, Québec Canada
| | - Isabelle Dusfour
- Vector Control and Adaptation Unit, Cayenne, Institut Pasteur of French Guiana, Vectopôle Amazonien Emile Abonnenc, Cayenne, French Guiana France
| | - Claude Guertin
- INRS-Centre Armand-Frappier Santé Biotechnologie, Laval, Québec Canada
| | - Anubis Vega-Rúa
- Laboratory of Vector Control Research, Transmission Reservoir and Pathogens Diversity Unit, Institut Pasteur of Guadeloupe, Morne Jolivière, Guadeloupe France
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Vega-Rúa A, Pagès N, Fontaine A, Nuccio C, Hery L, Goindin D, Gustave J, Almeras L. Improvement of mosquito identification by MALDI-TOF MS biotyping using protein signatures from two body parts. Parasit Vectors 2018; 11:574. [PMID: 30390691 PMCID: PMC6215610 DOI: 10.1186/s13071-018-3157-1] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Accepted: 10/17/2018] [Indexed: 11/22/2022] Open
Abstract
Background Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry technology (MALDI-TOF MS) is an innovative tool that has been shown to be effective for the identification of numerous arthropod groups including mosquitoes. A critical step in the implementation of MALDI-TOF MS identification is the creation of spectra databases (DB) for the species of interest. Mosquito legs were the body part most frequently used to create identification DB. However, legs are one of the most fragile mosquito compartments, which can put identification at risk. Here, we assessed whether mosquito thoraxes could also be used as a relevant body part for mosquito species identification using a MALDI-TOF MS biotyping strategy; we propose a double DB query strategy to reinforce identification success. Methods Thoraxes and legs from 91 mosquito specimens belonging to seven mosquito species collected in six localities from Guadeloupe, and two laboratory strains, Aedes aegypti BORA and Aedes albopictus Marseille, were dissected and analyzed by MALDI-TOF MS. Molecular identification using cox1 gene sequencing was also conducted on representative specimens to confirm their identification. Results MS profiles obtained with both thoraxes and legs were highly compartment-specific, species-specific and species-reproducible, allowing high identification scores (log-score values, LSVs) when queried against the in-house MS reference spectra DB (thorax LSVs range: 2.260–2.783, leg LSVs range: 2.132–2.753). Conclusions Both thoraxes and legs could be used for a double DB query in order to reinforce the success and accuracy of MALDI-TOF MS identification. Electronic supplementary material The online version of this article (10.1186/s13071-018-3157-1) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Anubis Vega-Rúa
- Laboratory of Vector Control Research, Environment and Health Unit, Institut Pasteur de la Guadeloupe, 97183, Les Abymes, Guadeloupe, France.
| | - Nonito Pagès
- CIRAD, UMR ASTRE, F-97170, Petit Bourg, Guadeloupe, France.,ASTRE, CIRAD, INRA, University of Montpellier, Montpellier, France
| | - Albin Fontaine
- Unité de Parasitologie et Entomologie, Département des Maladies Infectieuses, Institut de Recherche Biomédicale des Armées, Marseille, France.,Aix Marseille Université, IRD, AP-HM, SSA, UMR Vecteurs - Infections Tropicales et Méditerranéennes (VITROME), IHU - Méditerranée Infection, 19-21 bd Jean Moulin, 13385, Marseille, cedex 5, France
| | - Christopher Nuccio
- Aix Marseille Université, INSERM, SSA, IRBA, MCT, 13005, Marseille, France
| | - Lyza Hery
- Laboratory of Vector Control Research, Environment and Health Unit, Institut Pasteur de la Guadeloupe, 97183, Les Abymes, Guadeloupe, France
| | - Daniella Goindin
- Laboratory of Vector Control Research, Environment and Health Unit, Institut Pasteur de la Guadeloupe, 97183, Les Abymes, Guadeloupe, France
| | - Joel Gustave
- Vector Control Service of Guadeloupe, Regional Health Agency, Airport Zone South Raizet, 97139, Les Abymes, Guadeloupe, France
| | - Lionel Almeras
- Unité de Parasitologie et Entomologie, Département des Maladies Infectieuses, Institut de Recherche Biomédicale des Armées, Marseille, France.,Aix Marseille Université, IRD, AP-HM, SSA, UMR Vecteurs - Infections Tropicales et Méditerranéennes (VITROME), IHU - Méditerranée Infection, 19-21 bd Jean Moulin, 13385, Marseille, cedex 5, France
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Sherpa S, Rioux D, Goindin D, Fouque F, François O, Després L. At the Origin of a Worldwide Invasion: Unraveling the Genetic Makeup of the Caribbean Bridgehead Populations of the Dengue Vector Aedes aegypti. Genome Biol Evol 2018; 10:56-71. [PMID: 29267872 PMCID: PMC5758905 DOI: 10.1093/gbe/evx267] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/15/2017] [Indexed: 12/21/2022] Open
Abstract
Human-driven global environmental changes have considerably increased the risk of biological invasions, especially the spread of human parasites and their vectors. Among exotic species that have major impacts on public health, the dengue fever mosquito Aedes aegypti originating from Africa has spread worldwide during the last three centuries. Although considerable progress has been recently made in understanding the history of this invasion, the respective roles of human and abiotic factors in shaping patterns of genetic diversity remain largely unexplored. Using a genome-wide sample of genetic variants (3,530 ddRAD SNPs), we analyzed the genetic structure of Ae. aegypti populations in the Caribbean, the first introduced territories in the Americas. Fourteen populations were sampled in Guyane and in four islands of the Antilles that differ in climatic conditions, intensity of urbanization, and vector control history. The genetic diversity in the Caribbean was low (He = 0.14–0.17), as compared with a single African collection from Benin (He = 0.26) and site-frequency spectrum analysis detected an ancient bottleneck dating back ∼300 years ago, supporting a founder event during the introduction of Ae. aegypti. Evidence for a more recent bottleneck may be related to the eradication program undertaken on the American continent in the 1950s. Among 12 loci detected as FST-outliers, two were located in candidate genes for insecticide resistance (cytochrome P450 and voltage-gated sodium channel). Genome–environment association tests identified additional loci associated with human density and/or deltamethrin resistance. Our results highlight the high impact of human pressures on the demographic history and genetic variation of Ae. aegypti Caribbean populations.
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Affiliation(s)
- Stéphanie Sherpa
- Laboratoire d'Ecologie Alpine, CNRS UMR 5553, Université Grenoble Alpes, Grenoble, France
| | - Delphine Rioux
- Laboratoire d'Ecologie Alpine, CNRS UMR 5553, Université Grenoble Alpes, Grenoble, France
| | - Daniella Goindin
- Laboratoire d'Entomologie Médicale, Institut Pasteur de Guadeloupe, Les Abymes, France
| | - Florence Fouque
- Special Programme for Research and Training in Tropical Diseases, World Health Organization, Geneva, Switzerland
| | - Olivier François
- Laboratoire Techniques de l'Ingénierie Médicale et de la Complexité, CNRS UMR 5525, Université Grenoble Alpes, Grenoble, France
| | - Laurence Després
- Laboratoire d'Ecologie Alpine, CNRS UMR 5553, Université Grenoble Alpes, Grenoble, France
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Goindin D, Cannet A, Delannay C, Ramdini C, Gustave J, Atyame C, Vega-Rúa A. Screening of natural Wolbachia infection in Aedes aegypti, Aedes taeniorhynchus and Culex quinquefasciatus from Guadeloupe (French West Indies). Acta Trop 2018; 185:314-317. [PMID: 29908171 DOI: 10.1016/j.actatropica.2018.06.011] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Revised: 05/24/2018] [Accepted: 06/12/2018] [Indexed: 10/28/2022]
Abstract
Guadeloupe islands are threatened by several mosquito-borne viruses such as Dengue, Chikungunya, Zika and West Nile virus. It appears essential to look for alternative mosquito control methods such as the incompatible insect technique (ITT) aiming at sterilizing wild females by inundative releases of incompatible males. Before considering the implementation of such a strategy, the characterization of genetic diversity of the endocellular bacterium Wolbachia regarding the local mosquito populations is a critical issue. Here, for the first time, we describe the prevalence and diversity of Wolbachia in natural populations of three mosquito species from Guadeloupe: Aedes aegypti, Aedes taeniorhynchus and Culex quinquefasciatus. The detection of Wolbachia in natural Ae. aegypti, Ae. taeniorhynchus and Cx. quinquefasciatus populations was conducted by studying Wolbachia 16S ribosomal RNA gene using a TaqMan quantitative real-time PCR and results were confirmed by conventional PCR and sequencing. In addition, molecular typing of wPip strains in Cx. quinquefasciatus was done by PCR-RFLP. We did not find Wolbachia infection in any of Ae. aegypti and Ae. taeniorhynchus studied populations. Natural Wolbachia infection was detected in Cx. quinquefasciatus with prevalence varying from 79.2% to 95.8%. In addition, no polymorphism was found between the Wolbachia strains infecting Cx. quinquefasciatus specimens, all carrying an infection from the same Wolbachia genetic wPip-I group. These results pave the way for the evaluation of the feasibility of IIT programs to fight against these medically-important mosquito species in Guadeloupe.
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Delannay C, Goindin D, Kellaou K, Ramdini C, Gustave J, Vega-Rúa A. Multiple insecticide resistance in Culex quinquefasciatus populations from Guadeloupe (French West Indies) and associated mechanisms. PLoS One 2018; 13:e0199615. [PMID: 29944713 PMCID: PMC6019780 DOI: 10.1371/journal.pone.0199615] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Accepted: 06/11/2018] [Indexed: 11/18/2022] Open
Abstract
West Nile (WN) virus has been detected in Guadeloupe since 2002. Even if no WN human cases have been detected so far, mosquitoes from Culex genus especially Culex quinquefasciatus are recognized as potential WN vectors in Guadeloupe. To evaluate the impact of local vector control activities on this mosquito species we assessed the resistance levels of Cx. quinquefasciatus populations from three different sites from Guadeloupe (Abymes, Saint François and Gourbeyre) to malathion, temephos and deltamethrin. In addition, the frequencies of the L1014F kdr and the G119S ace-1 mutations were established in Cx. quinquefasciatus populations, as well as the constitutive expressions of five cytochrome P450 genes. Mosquito populations tested displayed high resistance to deltamethrin, moderate resistance to malathion (Abymes, Gourbeyre) and low resistance to temephos (Abymes et Gourbeyre). Molecular analyses revealed high frequencies of both L1014F kdr and G119S ace-1 mutations in Cx. quinquefasciatus populations, as well as overexpression of cytochrome P450 genes CYP9J45, CYP9J40 and CYP6AA7. Finally, deltamethrin resistance and knock-down rates were strongly correlated with the frequency of the resistant kdr and ace-1 alleles, as well as with CYP9J40 overexpression. These results should be taken into account to refine the current vector control strategies to prevent the appearance of Cx. quinquefasciatus-borne diseases in Guadeloupe.
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Affiliation(s)
- Christelle Delannay
- Laboratory of Medical Entomology, Environment and Health Unit, Institut Pasteur de la Guadeloupe, Les Abymes, Guadeloupe, France
| | - Daniella Goindin
- Laboratory of Medical Entomology, Environment and Health Unit, Institut Pasteur de la Guadeloupe, Les Abymes, Guadeloupe, France
| | - Kevin Kellaou
- Laboratory of Medical Entomology, Environment and Health Unit, Institut Pasteur de la Guadeloupe, Les Abymes, Guadeloupe, France
| | - Cédric Ramdini
- Vector Control Service of Grande–Terre, Regional Health Agency, Airport Zone South Raizet, Les Abymes, Guadeloupe, France
| | - Joël Gustave
- Vector Control Service of Grande–Terre, Regional Health Agency, Airport Zone South Raizet, Les Abymes, Guadeloupe, France
| | - Anubis Vega-Rúa
- Laboratory of Medical Entomology, Environment and Health Unit, Institut Pasteur de la Guadeloupe, Les Abymes, Guadeloupe, France
- * E-mail:
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Chouin-Carneiro T, Vega-Rua A, Vazeille M, Yebakima A, Girod R, Goindin D, Dupont-Rouzeyrol M, Lourenço-de-Oliveira R, Failloux AB. Differential Susceptibilities of Aedes aegypti and Aedes albopictus from the Americas to Zika Virus. PLoS Negl Trop Dis 2016; 10:e0004543. [PMID: 26938868 PMCID: PMC4777396 DOI: 10.1371/journal.pntd.0004543] [Citation(s) in RCA: 400] [Impact Index Per Article: 50.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2016] [Accepted: 02/24/2016] [Indexed: 11/24/2022] Open
Abstract
Background Since the major outbreak in 2007 in the Yap Island, Zika virus (ZIKV) causing dengue-like syndromes has affected multiple islands of the South Pacific region. In May 2015, the virus was detected in Brazil and then spread through South and Central America. In December 2015, ZIKV was detected in French Guiana and Martinique. The aim of the study was to evaluate the vector competence of the mosquito spp. Aedes aegypti and Aedes albopictus from the Caribbean (Martinique, Guadeloupe), North America (southern United States), South America (Brazil, French Guiana) for the currently circulating Asian genotype of ZIKV isolated from a patient in April 2014 in New Caledonia. Methodology/Principal Findings Mosquitoes were orally exposed to an Asian genotype of ZIKV (NC-2014-5132). Upon exposure, engorged mosquitoes were maintained at 28°±1°C, a 16h:8h light:dark cycle and 80% humidity. 25–30 mosquitoes were processed at 4, 7 and 14 days post-infection (dpi). Mosquito bodies (thorax and abdomen), heads and saliva were analyzed to measure infection, dissemination and transmission, respectively. High infection but lower disseminated infection and transmission rates were observed for both Ae. aegypti and Ae. albopictus. Ae. aegypti populations from Guadeloupe and French Guiana exhibited a higher dissemination of ZIKV than the other Ae. aegypti populations examined. Transmission of ZIKV was observed in both mosquito species at 14 dpi but at a low level. Conclusions/Significance This study suggests that although susceptible to infection, Ae. aegypti and Ae. albopictus were unexpectedly low competent vectors for ZIKV. This may suggest that other factors such as the large naïve population for ZIKV and the high densities of human-biting mosquitoes contribute to the rapid spread of ZIKV during the current outbreak. Zika virus (ZIKV) is an emerging mosquito-borne arbovirus causing dengue-like symptoms. This virus was commonly detected in Africa and Asia. Since its emergence in Yap Island in Micronesia in 2007, ZIKV reemerged in the South Pacific region in 2013 and ultimately reached the American continent in 2015. The human biting mosquito Aedes aegypti and the less anthropophilic Aedes albopictus have been incriminated as vectors of ZIKV. Our study showed that American populations of Ae. aegypti and Ae. albopictus were able to become infected and disseminate ZIKV within the mosquito general cavity at early days (4, 7) post-infection (dpi). Nevertheless, transmission was unexpectedly low and only detected at 14 dpi. Our findings will help in designing more adapted vector control strategies and limiting the impact of a new emerging threat on human health in the Americas as did the chikungunya in 2014.
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Affiliation(s)
| | - Anubis Vega-Rua
- Institut Pasteur, Arboviruses and Insect Vectors, Paris, France
| | - Marie Vazeille
- Institut Pasteur, Arboviruses and Insect Vectors, Paris, France
| | - André Yebakima
- Centre de Démoustication/Collectivité Territoriale de La Martinique, Fort-de-France, Martinique
| | - Romain Girod
- Institut Pasteur of French Guiana, Unit of Medical Entomology, Cayenne, French Guiana
| | - Daniella Goindin
- Institut Pasteur of Guadeloupe, Laboratory of Medical Entomology, Environment and Health, Les Abymes, Guadeloupe
| | - Myrielle Dupont-Rouzeyrol
- Institut Pasteur of New Caledonia, Dengue and Arboviruses Research and Expertise Unit, Nouméa, New Caledonia
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