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Laojun S, Chaiphongpachara T. Island mosquitoes of Thailand: an update on species diversity and DNA barcoding. Parasitol Res 2024; 123:224. [PMID: 38809447 DOI: 10.1007/s00436-024-08237-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Accepted: 05/08/2024] [Indexed: 05/30/2024]
Abstract
Mosquitoes (Diptera: Culicidae) are among the most medically significant insects, with several species acting as vectors for human pathogens. Although there are frequent reports of mosquito-borne diseases in the border island areas of Thailand, comprehensive data on the diversity and DNA barcoding of these mosquito species remain limited. This study investigated mosquito diversity in two main archipelagos in Thailand-the Trat archipelago (comprising Chang Island and Kood Island) and the Ranong archipelago (comprising Chang Island and Phayam Island)-and generated DNA barcode data from the mosquitoes found there. The survey across these islands discovered a total of 41 species, highlighting the presence of several species known to be vectors for human diseases. Thirty-seven mosquito species from the island areas were documented to provide reference DNA barcode sequences for mosquitoes in Thailand's island regions. Two species, Aedes fumidus and Finlaya flavipennis, have been added as new COI sequence records in the database. DNA barcoding was highly effective in classifying almost all species by identifying barcoding gaps, except for Anopheles baimaii and Anopheles dirus, which could not be distinguished. Additionally, the study noted that geographical variations might influence certain mosquito species, such as Anopheles barbirostris A3 and Mansonia dives, causing them to be split into two distinct subgroups. The findings of this study are crucial, as they aid in classifying mosquito species using molecular techniques and expand our knowledge of disease vectors in these biodiverse regions.
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Affiliation(s)
- Sedthapong Laojun
- Department of Public Health and Health Promotion, College of Allied Health Sciences, Suan Sunandha Rajabhat University, Samut Songkhram, 75000, Thailand
| | - Tanawat Chaiphongpachara
- Department of Public Health and Health Promotion, College of Allied Health Sciences, Suan Sunandha Rajabhat University, Samut Songkhram, 75000, Thailand.
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Ferreira FADS, da Costa FM, Gouveia AS, Roque RA, Tadei WP, Scarpassa VM. Bioecological Aspects of Species of the Subgenus Mansonia ( Mansonia) (Diptera: Culicidae) Prior to the Installation of Hydroelectric Dams on the Madeira River, Rondônia State, Brazil. Trop Med Infect Dis 2023; 8:479. [PMID: 37888607 PMCID: PMC10610653 DOI: 10.3390/tropicalmed8100479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 10/07/2023] [Accepted: 10/10/2023] [Indexed: 10/28/2023] Open
Abstract
The objective of this study was to evaluate ecological aspects of Mansonia species before the construction of hydroelectric plants on the Madeira River, and thus enable the assessment of the impact of these projects on mosquitoes. A total of 199 samplings were carried out between November 2003 and August 2004, using the technique of attraction with protection. Temporal distribution was evaluated from monthly incidence values obtained from the bite index per man/hour. Relative abundance was subsequently calculated to evaluate the spatial distribution of species, according to land use and municipal districts; furthermore, the pattern of hematophagous activity was evaluated from 12-h and 4-h samplings. The data were analyzed according to the negative binomial distribution and generalized linear models to estimate the influence of environmental factors on the presence and abundance of Mansonia. A total of 1479 specimens were collected, distributed among four species-Mansonia titillans (87%), Mansonia humeralis (6.3%), Mansonia amazonensis (6%), and Mansonia indubitans (0.5%), and spatial distribution analysis showed Ma. titillans to be dominant. Hematophagous activity had peaks between 6:00 p.m. and 8:00 p.m. and species incidence was higher during the rainy season and in areas where domestic animals are raised. Therefore, the region studied presented characteristics favorable to the reproduction of Mansonia even before the construction of the hydroelectric plants and after construction, these conditions were enhanced, due to the increase in the availability of breeding sites for immatures and blood sources for females, as a consequence of changes in the environment.
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Affiliation(s)
| | - Fábio Medeiros da Costa
- Programa de Pós-Graduação em Entomologia, PPGEnt, Instituto Nacional de Pesquisas da Amazônia, INPA, Manaus 69067-375, Brazil;
| | - Ayrton Sena Gouveia
- Programa de Pós-Graduação em Biologia Parasitária, Instituto Oswaldo Cruz, Rio de Janeiro 21041-250, Brazil;
| | - Rosemary Aparecida Roque
- Laboratório de Malária e Dengue, Coordenação de Sociedade, Ambiente e Saúde COSAS, Instituto Nacional de Pesquisas da Amazônia, INPA, Manaus 69067-375, Brazil; (R.A.R.)
| | - Wanderli Pedro Tadei
- Laboratório de Malária e Dengue, Coordenação de Sociedade, Ambiente e Saúde COSAS, Instituto Nacional de Pesquisas da Amazônia, INPA, Manaus 69067-375, Brazil; (R.A.R.)
| | - Vera Margarete Scarpassa
- Laboratório de Genética de Populações e Evolução de Mosquitos Vetores, Coordenação de Biodiversidade, COBIO, Instituto Nacional de Pesquisas da Amazônia, INPA, Manaus 69067-375, Brazil;
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Meireles ACA, Rios FGF, Feitoza LHM, da Silva LR, Julião GR. Nondestructive Methods of Pathogen Detection: Importance of Mosquito Integrity in Studies of Disease Transmission and Control. Pathogens 2023; 12:816. [PMID: 37375506 DOI: 10.3390/pathogens12060816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 05/26/2023] [Accepted: 06/05/2023] [Indexed: 06/29/2023] Open
Abstract
Mosquitoes are vectors of many pathogens, including viruses, protozoans, and helminths, spreading these pathogens to humans as well as to wild and domestic animals. As the identification of species and the biological characterization of mosquito vectors are cornerstones for understanding patterns of disease transmission, and the design of control strategies, we conducted a literature review on the current use of noninvasive and nondestructive techniques for pathogen detection in mosquitoes, highlighting the importance of their taxonomic status and systematics, and some gaps in the knowledge of their vectorial capacity. Here, we summarized the alternative techniques for pathogen detection in mosquitoes based on both laboratory and field studies. Parasite infection and dissemination by mosquitoes can also be obtained via analyses of saliva- and excreta-based techniques or of the whole mosquito body, using a near-infrared spectrometry (NIRS) approach. Further research should be encouraged to seek strategies for detecting target pathogens while preserving mosquito morphology, especially in biodiversity hotspot regions, thus enabling the discovery of cryptic or new species, and the determination of more accurate taxonomic, parasitological, and epidemiological patterns.
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Affiliation(s)
- Anne Caroline Alves Meireles
- Laboratory of Entomology, Oswaldo Cruz Foundation, Fiocruz Rondônia, Rua da Beira 7671, Lagoa, Porto Velho 76812-245, RO, Brazil
- Postgraduate Program in Biodiversity and Health, PhD in Sciences-Fiocruz Rondônia/Oswaldo Cruz Institute, Rua da Beira 7671, Lagoa, Porto Velho 76812-245, RO, Brazil
| | - Flávia Geovana Fontineles Rios
- Laboratory of Entomology, Oswaldo Cruz Foundation, Fiocruz Rondônia, Rua da Beira 7671, Lagoa, Porto Velho 76812-245, RO, Brazil
- Postgraduate Program in Experimental Biology-PGBIOEXP, Fiocruz Rondônia-UNIR, BR-364, Km 9.5, Porto Velho 78900-550, RO, Brazil
| | - Luiz Henrique Maciel Feitoza
- Laboratory of Entomology, Oswaldo Cruz Foundation, Fiocruz Rondônia, Rua da Beira 7671, Lagoa, Porto Velho 76812-245, RO, Brazil
- Postgraduate Program in Experimental Biology-PGBIOEXP, Fiocruz Rondônia-UNIR, BR-364, Km 9.5, Porto Velho 78900-550, RO, Brazil
| | - Lucas Rosendo da Silva
- Laboratory of Entomology, Oswaldo Cruz Foundation, Fiocruz Rondônia, Rua da Beira 7671, Lagoa, Porto Velho 76812-245, RO, Brazil
- Postgraduate Program in Experimental Biology-PGBIOEXP, Fiocruz Rondônia-UNIR, BR-364, Km 9.5, Porto Velho 78900-550, RO, Brazil
| | - Genimar Rebouças Julião
- Laboratory of Entomology, Oswaldo Cruz Foundation, Fiocruz Rondônia, Rua da Beira 7671, Lagoa, Porto Velho 76812-245, RO, Brazil
- Postgraduate Program in Experimental Biology-PGBIOEXP, Fiocruz Rondônia-UNIR, BR-364, Km 9.5, Porto Velho 78900-550, RO, Brazil
- National Institute of Epidemiology of Western Amazônia-INCT-EpiAmO, Rua da Beira 7671, Lagoa, Porto Velho 76812-245, RO, Brazil
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Amorim JA, de Oliveira TMP, de Sá ILR, da Silva TP, Sallum MAM. DNA Barcodes of Mansonia ( Mansonia) Blanchard, 1901 (Diptera, Culicidae). Genes (Basel) 2023; 14:1127. [PMID: 37372310 DOI: 10.3390/genes14061127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 05/17/2023] [Accepted: 05/21/2023] [Indexed: 06/29/2023] Open
Abstract
Females of the genus Mansonia feed on the blood of humans, livestock, and other vertebrates to develop their eggs. The females' biting behavior may cause severe disturbance to blood hosts, with a negative impact on public health and economics. Certain species have been identified as potential or effective disease vectors. The accurate species identification of field-collected specimens is of paramount importance for the success of monitoring and control strategies. Mansonia (Mansonia) morphological species boundaries are blurred by patterns of intraspecific heteromorphism and interspecific isomorphism. DNA barcodes can help to solve taxonomic controversies, especially if combined with other molecular tools. We used cytochrome c oxidase subunit I (COI) gene 5' end (DNA barcode) sequences to identify 327 field-collected specimens of Mansonia (Mansonia) spp. The sampling encompassed males and females collected from three Brazilian regions and previously assigned to species based on their morphological characteristics. Eleven GenBank and BOLD sequences were added to the DNA barcode analyses. Initial morphospecies assignments were mostly corroborated by the results of five clustering methods based on Kimura two-parameter distance and maximum likelihood phylogeny. Five to eight molecular operational taxonomic units may represent taxonomically unknown species. The first DNA barcode records for Mansonia fonsecai, Mansonia iguassuensis, and Mansonia pseudotitillans are presented.
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Affiliation(s)
- Jandui Almeida Amorim
- Departamento de Epidemiologia, Faculdade de Saúde Pública, Universidade de São Paulo, São Paulo 01246-904, SP, Brazil
- Departamento de Ciências e Matemática, Instituto Federal de Educação, Ciência e Tecnologia de São Paulo, São Paulo 01109-010, SP, Brazil
| | | | - Ivy Luizi Rodrigues de Sá
- Departamento de Epidemiologia, Faculdade de Saúde Pública, Universidade de São Paulo, São Paulo 01246-904, SP, Brazil
| | - Taires Peniche da Silva
- Laboratório de Entomologia Médica, Instituto de Pesquisas Científicas e Tecnológicas do Estado do Amapá, Macapá 68903-419, AP, Brazil
| | - Maria Anice Mureb Sallum
- Departamento de Epidemiologia, Faculdade de Saúde Pública, Universidade de São Paulo, São Paulo 01246-904, SP, Brazil
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Kirchgatter K, Guimarães LDO, Monteiro EF, Helfstein VC, Telles-de-Deus J, de Menezes RMT, Reginato SL, Chagas CRF, de Camargo-Neves VLF. DNA Barcoding of Morphologically Characterized Mosquitoes Belonging to the Genus Mansonia from the Atlantic Forest and Brazilian Savanna. INSECTS 2023; 14:109. [PMID: 36835678 PMCID: PMC9964216 DOI: 10.3390/insects14020109] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 01/16/2023] [Accepted: 01/18/2023] [Indexed: 06/18/2023]
Abstract
The identification of mosquito species is necessary for determining the entomological components of disease transmission. However, identification can be difficult in species that are morphologically similar. The cytochrome c oxidase subunit I (COI) DNA barcode region is considered a valuable and reliable diagnostic tool for mosquito species recognition, including those that belong to species complexes. Mansonia mosquitoes are found in forests near swampy areas. They are nocturnal and are highly attracted to light. Hematophagous adult females exhibit aggressive biting behavior and can become infected with and transmit pathogens during their feeding, including some epizootic viruses and avian malaria. In Brazil, twelve Mansonia species have been reported. In a recent study from the São Paulo Zoo in Brazil, three morphologically distinct species were collected and identified, namely: Mansonia (Mansonia) indubitans, Ma. (Man.) pseudotitillans and Ma. (Man.) titillans. However, confirmation of these species by molecular identification was unsuccessful due to a lack of COI sequences in the GenBank database. Thus, this research aimed to describe the COI DNA barcode sequences of some morphologically characterized Mansonia (Man.) species from Brazil and to determine their utility in delimiting species collected from the Atlantic Forest and Brazilian Savanna. Accordingly, we provide tools for the genetic identification of species that play a significant role in pathogen transmission in wildlife and potentially humans. We show that the delimitation of Mansonia species via five different approaches based on COI DNA sequences (BI, NJ, ASAP, bPTP and GMYC) yield basically the same groups identified by traditional taxonomy, and we provide the identification of specimens that were previously identified only up to the subgenus level. We also provide COI sequences from two Mansonia species that were not previously available in sequence databases, Ma. wilsoni and Ma. pseudotitillans, and thus contribute to the ongoing global effort to standardize DNA barcoding as a molecular means of species identification.
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Affiliation(s)
- Karin Kirchgatter
- Pasteur Institute, São Paulo 01027-000, SP, Brazil
- Postgraduate Program in Tropical Medicine, School of Medicine, University of São Paulo, São Paulo 05403-000, SP, Brazil
| | | | | | - Vanessa Christe Helfstein
- Pasteur Institute, São Paulo 01027-000, SP, Brazil
- Postgraduate Program in Tropical Medicine, School of Medicine, University of São Paulo, São Paulo 05403-000, SP, Brazil
| | | | | | | | - Carolina Romeiro Fernandes Chagas
- Nature Research Centre, 08412 Vilnius, Lithuania
- Applied Research Department, São Paulo Zoological Foundation, São Paulo 04301-905, SP, Brazil
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Rafael MS, Meireles SDF, Ferreira VDC, Tadei WP, Roque RA. Study of karyotype and constitutive heterochromatin of Mansonia spp. (Diptera: Culicidae) in the area surrounding the Jirau Hydroelectric Dam, Rondônia, Brazil. Rev Soc Bras Med Trop 2023; 56:e0095. [PMID: 36888782 PMCID: PMC9991104 DOI: 10.1590/0037-8682-0095-2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 01/11/2023] [Indexed: 03/08/2023] Open
Abstract
BACKGROUND Mansonia mosquitoes transmit arboviruses to humans. This study describes the karyotypes and C-banding of Mansonia humeralis, Mansonia titillans, Mansonia pseudotitillans, and Mansonia indubitans. METHODS From the 202 larvae, the brain ganglia were dissected (n=120) for the preparation of slides. Twenty slides with well-distended chromosomes for each species (10 for karyotyping and 10 for C-banding) were selected for further study. RESULTS The haploid genome and the average lengths of the chromosomal arms differed in relation to the centromere between species, and intraspecific differences also occurred in the distribution of the C-bands. CONCLUSIONS These results are useful for better understanding of the chromosomal variability of Mansonia mosquitoes.
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Affiliation(s)
- Míriam Silva Rafael
- Instituto Nacional de Pesquisas da Amazônia, Pós-Graduação em Genética, Conservação e Biologia Evolutiva, Manaus, AM, Brasil
| | - Sabrina da Fonseca Meireles
- Instituto Nacional de Pesquisas da Amazônia, Pós-Graduação em Genética, Conservação e Biologia Evolutiva, Manaus, AM, Brasil
| | | | - Wanderli Pedro Tadei
- Instituto Nacional de Pesquisas da Amazônia, Coordenação de Sociedade, Ambiente e Saúde, Laboratório de Malária e Dengue, Manaus, AM, Brasil
| | - Rosemary Aparecida Roque
- Instituto Nacional de Pesquisas da Amazônia, Coordenação de Sociedade, Ambiente e Saúde, Laboratório de Malária e Dengue, Manaus, AM, Brasil
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