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Garrigós M, Garrido M, Morales-Yuste M, Martínez-de la Puente J, Veiga J. Survival effects of antibiotic exposure during the larval and adult stages in the West Nile virus vector Culex pipiens. INSECT SCIENCE 2024; 31:542-550. [PMID: 37559499 DOI: 10.1111/1744-7917.13259] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 06/26/2023] [Accepted: 07/15/2023] [Indexed: 08/11/2023]
Abstract
The ability of mosquitoes to transmit a pathogen is affected, among other factors, by their survival rate, which is partly modulated by their microbiota. Mosquito microbiota is acquired during the larval phase and modified during their development and adult feeding behavior, being highly dependent on environmental factors. Pharmaceutical residues including antibiotics are widespread pollutants potentially being present in mosquito breeding waters likely affecting their microbiota. Here, we used Culex pipiens mosquitoes to assess the impact of antibiotic exposure during the larval and adult stages on the survival rate of adult mosquitoes. Wild-collected larvae were randomly assigned to two treatments: larvae maintained in water supplemented with antibiotics and control larvae. Emerged adults were subsequently assigned to each of two treatments, fed with sugar solution with antibiotics and fed only with sugar solution (controls). Larval exposure to antibiotics significantly increased the survival rate of adult females that received a control diet. In addition, the effect of adult exposure to antibiotics on the survival rate of both male and female mosquitoes depended on the number of days that larvae fed ad libitum in the laboratory before emergence. In particular, shorter larval ad libitum feeding periods reduced the survival rate of antibiotic-treated adult mosquitoes compared with those that emerged after a longer larval feeding period. These differences were not found in control adult mosquitoes. Our results extend the current understanding of the impact of antibiotic exposure of mosquitoes on a key component of vectorial capacity, that is the vector survival rate.
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Affiliation(s)
- Marta Garrigós
- Faculty of Pharmacy, Department of Parasitology, University of Granada, Granada, Spain
| | - Mario Garrido
- Faculty of Pharmacy, Department of Parasitology, University of Granada, Granada, Spain
| | - Manuel Morales-Yuste
- Faculty of Pharmacy, Department of Parasitology, University of Granada, Granada, Spain
| | - Josué Martínez-de la Puente
- Faculty of Pharmacy, Department of Parasitology, University of Granada, Granada, Spain
- CIBER de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
| | - Jesús Veiga
- Faculty of Pharmacy, Department of Parasitology, University of Granada, Granada, Spain
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do Nascimento RM, Campolina TB, Chaves BA, Delgado JLF, Godoy RSM, Pimenta PFP, Secundino NFC. The influence of culture-dependent native microbiota in Zika virus infection in Aedes aegypti. Parasit Vectors 2022; 15:57. [PMID: 35177110 PMCID: PMC8851793 DOI: 10.1186/s13071-022-05160-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 01/10/2022] [Indexed: 01/26/2023] Open
Abstract
Background Emerging and re-emerging vector-borne diseases (VBDs) pose a recurring threat to tropical countries, mainly due to the abundance and distribution of the Aedes aegypti mosquito, which is a vector of the Zika, dengue, chikungunya, and yellow fever arboviruses. Methods Female 3–5 day-old Ae. aegypti were distributed into two experimental groups: group I—survey of cultivable bacteria; sucrose group: fed only on sucrose, i.e., non-blood-fed (UF); blood-fed group: (i) fed with non-infected blood (BF); (ii) fed with blood infected with the Zika virus (BZIKV); (iii) pretreated with penicillin/streptomycin (pen/strep), and fed with non-infected blood (TBF); (iv) pretreated with pen/strep and fed blood infected with ZIKV, i.e., gravid with developed ovaries, (TGZIKV); group II—experimental co-infections: bacteria genera isolated from the group fed on sucrose, i.e., non-blood-fed (UF). Results Using the cultivable method and the same mosquito colony and ZIKV strain described by in a previous work, our results reveled 11 isolates (Acinetobacter, Aeromonas, Cedecea, Cellulosimicrobium, Elizabethkingia, Enterobacter, Lysinibacillus, Pantoea, Pseudomonas, Serratia, and Staphylococcus). Enterobacter was present in all evaluated groups (i.e., UF, BF, BZIKV, TBF, and TGZIKV), whereas Elizabethkingia was present in the UF, BZIKV, and TBF groups. Pseudomonas was present in the BZIKV and TBF groups, whereas Staphylococcus was present in the TBF and TGZIKV groups. The only genera of bacteria that were found to be present in only one group were Aeromonas, Lysinibacillus, and Serratia (UF); Cedacea, Pantoea and Acinetobacter (BF); and Cellulosimicrobium (BZIKV). The mosquitoes co-infected with ZIKV plus the isolates group fed on sucrose (UF) showed interference in the outcome of infection. Conclusions We demonstrate that the distinct feeding aspects assessed herein influence the composition of bacterial diversity. In the co-infection, among ZIKV, Ae. aegypti and the bacterial isolates, the ZIKV/Lysinibacillus–Ae. aegypti had the lowest number of viral copies in the head-SG, which means that it negatively affects vector competence. However, when the saliva was analyzed after forced feeding, no virus was detected in the mosquito groups ZIKV/Lysinibacillus–Lu. longipalpis and Ae. aegypti; the combination of ZIKV/Serratia may interfere in salivation. This indicates that the combinations do not produce viable viruses and may have great potential as a method of biological control. Graphical Abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s13071-022-05160-7.
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Affiliation(s)
- Rêgila Mello do Nascimento
- Laboratorio de Entomologia Médica, Instituto René Rachou-FIOCRUZ-Minas, Belo Horizonte, Minas Gerais, Brazil.,Instituto de Pesquisas Clínicas Carlos Borborema, Fundação de Medicina Tropical Dr. Heitor Vieira Dourado, Manaus, Amazonas, Brazil.,Programa de Pós-Graduação em Medicina Tropical, Universidade do Estado do Amazonas, Manaus, Brazil
| | - Thais Bonifácio Campolina
- Laboratorio de Entomologia Médica, Instituto René Rachou-FIOCRUZ-Minas, Belo Horizonte, Minas Gerais, Brazil.,Programa de Pós-Graduação em Ciências da Saúde, IRR-FIOCRUZ-Minas, Belo Horizonte, Minas Gerais, Brazil
| | - Barbara Aparecida Chaves
- Instituto de Pesquisas Clínicas Carlos Borborema, Fundação de Medicina Tropical Dr. Heitor Vieira Dourado, Manaus, Amazonas, Brazil
| | | | - Raquel Soares Maia Godoy
- Laboratorio de Entomologia Médica, Instituto René Rachou-FIOCRUZ-Minas, Belo Horizonte, Minas Gerais, Brazil
| | - Paulo Filemon Paolucci Pimenta
- Laboratorio de Entomologia Médica, Instituto René Rachou-FIOCRUZ-Minas, Belo Horizonte, Minas Gerais, Brazil.,Programa de Pós-Graduação em Medicina Tropical, Universidade do Estado do Amazonas, Manaus, Brazil.,Programa de Pós-Graduação em Ciências da Saúde, IRR-FIOCRUZ-Minas, Belo Horizonte, Minas Gerais, Brazil
| | - Nagila Francinete Costa Secundino
- Laboratorio de Entomologia Médica, Instituto René Rachou-FIOCRUZ-Minas, Belo Horizonte, Minas Gerais, Brazil. .,Programa de Pós-Graduação em Medicina Tropical, Universidade do Estado do Amazonas, Manaus, Brazil. .,Programa de Pós-Graduação em Ciências da Saúde, IRR-FIOCRUZ-Minas, Belo Horizonte, Minas Gerais, Brazil.
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Duan DY, Liu YK, Liu L, Liu GH, Cheng TY. Microbiome analysis of the midguts of different developmental stages of Argas persicus in China. Ticks Tick Borne Dis 2021; 13:101868. [PMID: 34800866 DOI: 10.1016/j.ttbdis.2021.101868] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 09/25/2021] [Accepted: 10/29/2021] [Indexed: 12/12/2022]
Abstract
Argas persicus is an ectoparasite of poultry. The bacterial community structure and the pathogenic bacteria associated with different developmental stages of A. persicus have implications for control. Argas persicus were collected from chickens in the city of Jiuquan in Gansu, China. Bacterial DNA was extracted from the midgut contents of blood engorged larvae, nymphs and adult females. The V3-V4 hypervariable regions of 16S rRNA genes were sequenced using the IonS5™XL platform. Identification of Rickettsia spp. and detection of Coxiella burnetii were performed using PCR on target genes. The bacterial diversity within larvae was the highest and the bacterial diversity within nymphs was greater than that of adults. At different classification levels, seven bacterial phyla were common phyla, 27 genera were common genera, and 18 species were common species in the three samples. At the phylum level, Proteobacteria showed a marked predominance in all samples. Rickettsia, Stenotrophomonas, Spiroplasma, and Coxiella were the dominant bacteria at the genus level. The Rickettsia species in A. persicus was identified as Rickettsia hoogstraalii and the Coxiella species was identified as a Coxiella-like endosymbiont. Additionally, some bacterial species such as Pseudomonas geniculata, Sphingomonas koreensis, and Acinetobacter haemolyticus were reported here for the first time in A. persicus.
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Affiliation(s)
- De-Yong Duan
- College of Veterinary Medicine, Hunan Agricultural University, Changsha, Hunan Province 410128, China
| | - Yu-Ke Liu
- College of Veterinary Medicine, Hunan Agricultural University, Changsha, Hunan Province 410128, China
| | - Lei Liu
- College of Veterinary Medicine, Hunan Agricultural University, Changsha, Hunan Province 410128, China
| | - Guo-Hua Liu
- College of Veterinary Medicine, Hunan Agricultural University, Changsha, Hunan Province 410128, China.
| | - Tian-Yin Cheng
- College of Veterinary Medicine, Hunan Agricultural University, Changsha, Hunan Province 410128, China.
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Wang H, Wang Y, Cheng P, Wang H, Wang H, Liu H, Zhang C, Gong M. The Larval Density of Mosquitos (Diptera: Culicidae) in Jiaxiang County, Shandong Province, China: Influence of Bacterial Diversity, Richness, and Physicochemical Factors. Front Ecol Evol 2021. [DOI: 10.3389/fevo.2021.616769] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
As Jiaxiang County of Shandong province is an area with complex mosquito vector composition, it is necessary to investigate the relationship between bacterial diversity, physicochemical factors, and larval density. Therefore, the physicochemical properties of 46 breeding sites for six kinds of habitat types (small puddles, small water containers, paddy fields, large water containers, irrigation channels, and drainage ditches) were investigated by a multiparameter analyzer; the water’s bacterial diversity was analyzed by the 16S rRNA full-length sequencing method. Spearman correlation and multiple linear regression were used to analyze the correlation between larval density and variables. The variables analyzed were dissolved oxygen, pH, hardness, turbidity, conductivity, temperature, ammonia nitrogen, water depth, and distance from the nearest house. One-Way ANOVA was used to understand whether there are differences in bacterial diversity in different habitats. Pearson linear correlation model was used to analyze the effects of bacterial diversity and richness on mosquito densities in breeding sites. A total of 3291 larvae were captured, and a total of 6 species of 4 genera were identified. The identified species were Culex pipiens pallens, Aedes albopictus, Anopheles sinensis, Culex tritaeniorhynchus, Culex bitaeniorhynchus, and Mansonia uniformis. The density and species can be jointly affected by physicochemical properties and bacterial diversity, especially Shannon index and distance from the nearest house. In general, the physicochemical parameters and bacterial diversity of different habitats were significantly different. Even for the same habitat type, the physicochemical parameters varied greatly due to different environments.
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Scolari F, Sandionigi A, Carlassara M, Bruno A, Casiraghi M, Bonizzoni M. Exploring Changes in the Microbiota of Aedes albopictus: Comparison Among Breeding Site Water, Larvae, and Adults. Front Microbiol 2021; 12:624170. [PMID: 33584626 PMCID: PMC7876458 DOI: 10.3389/fmicb.2021.624170] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 01/04/2021] [Indexed: 12/12/2022] Open
Abstract
The mosquito body hosts highly diverse microbes, which influence different physiological traits of both larvae and adults. The composition of adult mosquito microbiota is tightly linked to that of larvae, which are aquatic and feed on organic detritus, algae and prokaryotic microorganisms present in their breeding sites. Unraveling the ecological features of larval habitats that shape the structure of bacterial communities and their interactions with the mosquito host is still a poorly investigated topic in the Asian tiger mosquito Aedes albopictus, a highly invasive species that is vector of numerous arboviruses, including Dengue, Chikungunya, and Zika viruses. In this study, we investigated the composition of the bacterial community present in the water from a natural larval breeding site in which we separately reared wild-collected larvae and hatched eggs of the Foshan reference laboratory strain. Using sequence analysis of bacterial 16S rRNA gene amplicons, we comparatively analyzed the microbiota of the larvae and that of adult mosquitoes, deriving information about the relative impact of the breeding site water on shaping mosquito microbiota. We observed a higher bacterial diversity in breeding site water than in larvae or adults, irrespective of the origin of the sample. Moreover, larvae displayed a significantly different and most diversified microbial community than newly emerged adults, which appeared to be dominated by Proteobacteria. The microbiota of breeding site water significantly increased its diversity over time, suggesting the presence of a dynamic interaction among bacterial communities, breeding sites and mosquito hosts. The analysis of Wolbachia prevalence in adults from Foshan and five additional strains with different geographic origins confirmed the described pattern of dual wAlbA and wAlbB strain infection. However, differences in Wolbachia prevalence were detected, with one strain from La Reunion Island showing up to 18% uninfected individuals. These findings contribute in further understanding the dynamic interactions between the ecology of larval habitats and the structure of host microbiota, as well as providing additional information relative to the patterns of Wolbachia infection.
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Affiliation(s)
- Francesca Scolari
- Department of Biology and Biotechnology, University of Pavia, Pavia, Italy
| | - Anna Sandionigi
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Milan, Italy
| | - Martina Carlassara
- Department of Biology and Biotechnology, University of Pavia, Pavia, Italy
| | - Antonia Bruno
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Milan, Italy
| | - Maurizio Casiraghi
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Milan, Italy
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Qing W, Zhijing X, Guangfu Y, Fengxia M, Qiyong L, Zhong Z, Ruiling Z. Variation in the microbiota across different developmental stages of Aedes albopictus is affected by ampicillin exposure. Microbiologyopen 2020; 9:1162-1174. [PMID: 32207564 PMCID: PMC7294303 DOI: 10.1002/mbo3.1026] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Revised: 02/14/2020] [Accepted: 02/15/2020] [Indexed: 12/23/2022] Open
Abstract
The microbiota plays an important role in the growth of mosquitoes and the transmission of mosquito-borne pathogens. The effects of changes in aquatic habitats in which mosquitoes live, as one of the major factors closely associated with the microbial communities of mosquitoes, on the microbiota of different developmental stages remain to be elucidated. Here, we compared the microbiota of larvae and pupae of Aedes albopictus exposed to different ampicillin concentrations and investigated the bacterial composition of adult females. The results demonstrate that the microbial community differed substantially between developmental stages and that samples of the same stages shared similarities, whereas differences were observed between adult females. Based on all observations, we hypothesize that the use of ampicillin caused dysbiosis rather than excluding bacteria from mosquitoes and that the disturbing effect of ampicillin was obvious in adults. Kyoto Encyclopedia of Genes and Genomes (KEGG) analyses revealed that most of the bacteria identified in this study were significantly associated with metabolism. Taken together, our results indicate that ampicillin can change the abundance of bacteria, while microbial communities of Ae. albopictus showed obvious stage-specific characteristics. Further investigations are needed to characterize specific bacterial components that are affected by ampicillin exposure and to quantify their functions, thereby providing a better understanding of the influence of antibiotics on microbial communities at different life stages.
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Affiliation(s)
- Wan Qing
- School of Basic Medical ScienceShandong First Medical UniversityTaianChina
| | - Xue Zhijing
- State Key Laboratory of Infectious Disease Prevention and ControlNational Institute for Communicable Disease Control and PreventionChinese Center for Disease Control and PreventionBeijingChina
| | - Yu Guangfu
- School of Basic Medical ScienceShandong First Medical UniversityTaianChina
| | - Meng Fengxia
- State Key Laboratory of Infectious Disease Prevention and ControlNational Institute for Communicable Disease Control and PreventionChinese Center for Disease Control and PreventionBeijingChina
| | - Liu Qiyong
- State Key Laboratory of Infectious Disease Prevention and ControlNational Institute for Communicable Disease Control and PreventionChinese Center for Disease Control and PreventionBeijingChina
| | - Zhang Zhong
- School of Basic Medical ScienceShandong First Medical UniversityTaianChina
| | - Zhang Ruiling
- School of Basic Medical ScienceShandong First Medical UniversityTaianChina
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