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Rodrigues BL, Galati EAB. New sand fly (Diptera, Psychodidae) records and COI DNA barcodes in the state of Maranhão, Eastern Amazon, Brazil. Acta Trop 2024; 250:107095. [PMID: 38097151 DOI: 10.1016/j.actatropica.2023.107095] [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: 11/13/2023] [Revised: 12/09/2023] [Accepted: 12/11/2023] [Indexed: 12/25/2023]
Abstract
The sand fly fauna and the usefulness of the DNA barcoding fragment of the cytochrome c oxidase subunit I (COI) gene were accessed in a forest fragment in the municipality of Governador Newton Bello, state of Maranhão, Brazil. We performed entomological collections in three independent campaigns in May and October 2021, and January 2023. Sand flies were morphologically-identified and then DNA barcoded. Sequences were deposited and analyzed in the BOLD System Database, and various species delimitation algorithms, to assess whether DNA sequences merge into taxonomic units in accordance with nominal species. In total, 1,524 sand flies were collected, comprising 32 nominal species. Nyssomyia antunesi was the most abundant species (31.5 %), followed by Psychodopygus davisi (27 %). We reported for the first time in the state of Maranhão, the presence of Lutzomyia evangelistai, Lutzomyia sherlocki, Pressatia equatorialis, and Psathyromyia barrettoi. We amplified and analyzed 67 COI barcodes of 23 species, which were merged with conspecific sequences extracted from GenBank. The maximum intraspecific p distances ranged from 0.0 % to 14.74 %, while the distances to the nearest neighbor varied from 1.67 % to 13.64 %. The phylogenetic gene tree and species delimitation tools clustered sequences into well-supported clades/clusters for each nominal species, except for Pressatia choti/Pr. equatorialis, which have the lowest interspecific genetic distance (1.67 %). We sequenced for the first time COI barcodes of Brumptomyia brumpti, Evandromyia monstruosa, Micropygomyia rorotaensis, Micropygomyia pilosa, Pintomyia christenseni, Pintomyia pacae, Pr. equatorialis, Pa. barrettoi, and Psathyromyia hermanlenti, which will be useful for further molecular identification and classification proposals of Neotropical species. This study updated the current list of the sand fly fauna for the state of Maranhão to 97, and demonstrated that COI barcodes are useful for specific identification.
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Affiliation(s)
- Bruno Leite Rodrigues
- Programa de Pós-Graduação em Saúde Pública, Faculdade de Saúde Pública da Universidade de São Paulo (FSP/USP), Av. Dr. Arnaldo, 715 - Cerqueira César, São Paulo 01246-904, SP, Brazil,.
| | - Eunice Aparecida Bianchi Galati
- Programa de Pós-Graduação em Saúde Pública, Faculdade de Saúde Pública da Universidade de São Paulo (FSP/USP), Av. Dr. Arnaldo, 715 - Cerqueira César, São Paulo 01246-904, SP, Brazil
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Lozano-Sardaneta YN, Díaz-Cruz JA, Viveros-Santos V, Ibáñez-Bernal S, Huerta H, Marina CF, Mis-Ávila PC, Martínez-Burgos M, Torres-Monzón JA, Sánchez-Cordero V, Becker I. Phylogenetic relations among Mexican phlebotomine sand flies (Diptera: Psychodidae) and their divergence time estimation. PLoS One 2023; 18:e0287853. [PMID: 37384618 PMCID: PMC10309607 DOI: 10.1371/journal.pone.0287853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 06/14/2023] [Indexed: 07/01/2023] Open
Abstract
Phlebotomine sand flies (Diptera: Psychodidae: Phlebotominae) have biological relevance as vectors of several pathogens. To ensure periodic entomological monitoring it is necessary to have efficient and accurate tools for an adequate taxonomic identification. There are only few studies on phylogenetic analyses of phlebotomine sand flies from Neotropics, based mostly on morphological and/or molecular data, which makes the delimitation of intra- and interspecific variability of species challenging. Here we generated new molecular information on sand fly species distributed in endemic areas of leishmaniasis in Mexico, using mitochondrial and ribosomal genes, and incorporating morphological information available. Specifically, we established their phylogenetic relationships, and estimated their divergence time. Our study provides molecular information for 15 phlebotomine sand fly species from different areas of Mexico, contributing to the genetic inventory and phylogenetic relations among Neotropical species of the subfamily Phlebotominae. Mitochondrial genes proved to be suitable markers for the molecular identification of phlebotomine sand flies. However, the incorporation of additional nuclear gene information could increase the significance of phylogenetic inferences. We also provided evidence about a possible divergence time of phlebotomine sand fly species, supporting their presumable origin in the Cretaceous period.
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Affiliation(s)
- Yokomi N. Lozano-Sardaneta
- Centro de Medicina Tropical, Unidad de Medicina Experimental, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México, México
- Facultad de Ciencias, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - Jesús A. Díaz-Cruz
- Colección Nacional de Peces, Departamento de Zoología, Instituto de Biología, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - Vicente Viveros-Santos
- Centro Regional de Investigación en Salud Pública, Instituto Nacional de Salud Pública (CRISP-INSP), Tapachula, Chiapas, México
| | - Sergio Ibáñez-Bernal
- Instituto de Ecología, A. C. (INECOL), Red Ambiente y Sustentabilidad, Xalapa, Veracruz, México
| | - Herón Huerta
- Laboratorio de Entomología, Instituto de Diagnóstico y Referencia Epidemiológicos ‘Dr, Manuel Martínez Báez’, Ciudad de México, México
| | - Carlos F. Marina
- Centro Regional de Investigación en Salud Pública, Instituto Nacional de Salud Pública (CRISP-INSP), Tapachula, Chiapas, México
| | - Pedro C. Mis-Ávila
- Servicios Estatales de Salud de Quintana Roo, Departamento de Enfermedades Transmitidas por Vector y Zoonosis, Chetumal, Quintana Roo, México
| | - Maribel Martínez-Burgos
- Servicios Estatales de Salud de Quintana Roo, Departamento de Enfermedades Transmitidas por Vector y Zoonosis, Chetumal, Quintana Roo, México
| | - Jorge A. Torres-Monzón
- Centro Regional de Investigación en Salud Pública, Instituto Nacional de Salud Pública (CRISP-INSP), Tapachula, Chiapas, México
| | - Víctor Sánchez-Cordero
- Departamento de Zoología, Instituto de Biología, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - Ingeborg Becker
- Centro de Medicina Tropical, Unidad de Medicina Experimental, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México, México
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Posada-López L, Rodrigues BL, Velez ID, Uribe S. Improving the COI DNA barcoding library for Neotropical phlebotomine sand flies (Diptera: Psychodidae). Parasit Vectors 2023; 16:198. [PMID: 37308979 DOI: 10.1186/s13071-023-05807-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 05/10/2023] [Indexed: 06/14/2023] Open
Abstract
Sand fly species are traditionally identified using morphological traits, though this method is hampered by the presence of cryptic species. DNA barcoding is a widely used tool in the case of insects of medical importance, where it is necessary to know quickly which species are present in a transmission area. Here, we assess the usefulness of mitochondrial cytochrome c oxidase subunit I (COI) DNA barcoding as a practical tool for species identification, correct assignment of isomorphic females, and to evaluate the detection of cryptic diversity that occurs in the same species. A fragment of the COI gene was used to generate 156 new barcode sequences for sand flies from different countries of the Neotropical region, mainly Colombia, which had been identified morphologically as 43 species. The sequencing of the COI gene allowed the detection of cryptic diversity within species and correctly associated isomorphic females with males identified by morphology. The maximum intraspecific genetic distances ranged from 0 to 8.32% and 0 to 8.92% using uncorrected p distances and the Kimura 2-parameter (K2P) model, respectively. The minimum interspecific distance (nearest neighbor) for each species ranged from 1.5 to 14.14% and 1.51 to 15.7% using p and K2P distances, respectively. Three species had more than 3% maximum intraspecific distance: Psychodopygus panamensis, Micropygomyia cayennensis cayennensis, and Pintomyia evansi. They also were split into at least two molecular operational taxonomic units (MOTUs) each, using different species delimitation algorithms. Regarding interspecific genetic distances, the species of the genera Nyssomyia and Trichophoromyia generated values lower than 3% (except Nyssomyia ylephiletor and Ny. trapidoi). However, the maximum intraspecific distances did not exceed these values, indicating the presence of a barcode gap despite their proximity. Also, nine sand fly species were DNA barcoded for the first time: Evandromyia georgii, Lutzomyia sherlocki, Ny. ylephiletor, Ny. yuilli pajoti, Psathyromyia punctigeniculata, Sciopemyia preclara, Trichopygomyia triramula, Trichophoromyia howardi, and Th. velezbernali. The COI DNA barcode analysis enabled the correct delimitation of several Neotropical sand fly species from South and Central America and raised questions about the presence of cryptic species for some taxa, which should be further assessed.
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Affiliation(s)
- Laura Posada-López
- PECET (Programa de Estudio y Control de Enfermedades Tropicales), Universidad de Antioquia, Medellín, Colombia.
- Programa de Pós-graduação em Saúde Pública, Faculdade de Saúde Pública (FSP/USP), São Paulo, SP, Brasil.
| | - Bruno Leite Rodrigues
- Programa de Pós-graduação em Saúde Pública, Faculdade de Saúde Pública (FSP/USP), São Paulo, SP, Brasil
| | - Ivan Dario Velez
- PECET (Programa de Estudio y Control de Enfermedades Tropicales), Universidad de Antioquia, Medellín, Colombia
| | - Sandra Uribe
- Grupo de Investigación en Sistemática Molecular, Universidad Nacional de Colombia, Campus, Medellín, Colombia
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Pinto IDS, Rodrigues BL, de Araujo-Pereira T, Shimabukuro PHF, de Pita-Pereira D, Britto C, Brazil RP. DNA barcoding of sand flies (Diptera, Psychodidae, Phlebotominae) from the western Brazilian Amazon. PLoS One 2023; 18:e0281289. [PMID: 36730314 PMCID: PMC9894394 DOI: 10.1371/journal.pone.0281289] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Accepted: 01/19/2023] [Indexed: 02/03/2023] Open
Abstract
The subfamily Phlebotominae comprises important insects for public health. The use of complementary tools such as molecular taxonomy is necessary for interspecific delimitation and/or discovery of cryptic species. Here, we evaluated the DNA barcoding tool to identify different species in the southwestern Brazilian Amazon. For this, we collected sand flies in forest fragments along the highway BR-317, in the municipality of Brasiléia, state of Acre, Brazil. The specimens were DNA-barcoded using a fragment of the cytochrome c oxidase subunit I (COI) gene. The sequences were analyzed to generate K2P pairwise genetic distances and a Neighbour-joining tree. The sand fly barcodes were also clustered into Molecular Operation Taxonomic Units (MOTU) using Automatic Barcode Gap Discovery (ABGD) approach. A total of 59 COI sequences comprising 22 nominal species and ten genera were generated. Of these, 11 species had not been sequenced before, thus being new COI sequences to science. Intraspecific genetic distances ranged between 0 and 4.9%, with Pintomyia serrana presenting the highest values of genetic distance, in addition to having been partitioned into three MOTUs. Regarding the distances to the nearest neighbour, all species present higher values in relation to the maximum intraspecific distance, in addition to forming well supported clusters in the neighbour-joining analysis. The DNA barcoding approach is useful for the molecular identification of sand flies from Brasiléia, state of Acre, and was efficient in detecting cryptic diversity of five species which can be confirmed in future studies using an integrative approach. We also generated new COI barcodes for Trichophoromyia auraensis, Nyssomyia shawi, and Psychodopygus paraensis, which may play a role in the transmission of Leishmania spp. in the Brazilian Amazon.
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Affiliation(s)
- Israel de Souza Pinto
- Departamento de Ciências Biológicas, Instituto Federal de Educação, Ciência e Tecnologia do Pará, Itaituba, Pará, Brasil
| | - Bruno Leite Rodrigues
- Programa de Pós-Graduação em Saúde Pública, Faculdade de Saúde Pública, Universidade de São Paulo, São Paulo, São Paulo, Brasil
| | - Thais de Araujo-Pereira
- Laboratório de Biologia Molecular e Doenças Endêmicas, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, Rio de Janeiro, Brasil
| | - Paloma Helena Fernandes Shimabukuro
- Coleção de Flebotomíneos, Grupo de Estudos em Leishmanioses, Instituto René Rachou, Fundação Oswaldo Cruz, Belo Horizonte, Minas Gerais, Brasil
| | - Daniela de Pita-Pereira
- Laboratório de Biologia Molecular e Doenças Endêmicas, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, Rio de Janeiro, Brasil
| | - Constança Britto
- Laboratório de Biologia Molecular e Doenças Endêmicas, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, Rio de Janeiro, Brasil
- * E-mail:
| | - Reginaldo Peçanha Brazil
- Laboratório de Doenças Parasitárias, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, Rio de Janeiro, Brasil
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Lozano-Sardaneta YN, Viveros-Santos V, Colunga-Salas P, Rodríguez-Rojas JJ, Becker I. Is Psathyromyia shannoni (Diptera: Psychodidae: Phlebotominae) a species complex? Retrospective study of genetic diversity of COI gene, pathogens and geographic distribution. Acta Trop 2023; 238:106807. [PMID: 36577477 DOI: 10.1016/j.actatropica.2022.106807] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 12/22/2022] [Accepted: 12/24/2022] [Indexed: 12/26/2022]
Abstract
The sand fly Psathyromyia shannoni is a broadly distributed species that is relevant for the transmission of pathogens such as Leishmania, Bartonella and viruses in several countries of America. This species belongs to the Shannoni complex. Yet its identification is difficult due to morphologic intraspecific polymorphisms that make it difficult to distinguish between species, and could therefore lead to misidentification and overestimation of its distribution. The aim of this study was to perform a retrospective study on the genetic diversity of Pa. shannoni based on the Cytochrome Oxidase subunit 1 gene and considering its geographic distribution to achieve a better identification and differentiation from other species of the Shannoni complex. According to the Maximum Likelihood analysis and the data on the genetic structure, we propose a modified delimitation of Pa. shannoni species by classifying it into at least three genetic lineages, based on genetic variability and distribution. However, more genetic information on the COI gene, mainly from countries where this species has been reported, is needed to strengthen this proposal.
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Affiliation(s)
- Yokomi N Lozano-Sardaneta
- Centro de Medicina Tropical, Unidad de Medicina Experimental, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México 06720, México; Facultad de Ciencias, Universidad Nacional Autónoma de México, Ciudad de México 06720, México.
| | - Vicente Viveros-Santos
- Centro Regional de Investigación en Salud Pública, Instituto Nacional de Salud Pública, Tapachula, Chiapas, México
| | - Pablo Colunga-Salas
- Centro de Medicina Tropical, Unidad de Medicina Experimental, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México 06720, México; Instituto de Biotecnología y Ecología Aplicada, Universidad Veracruzana, Campus para la Cultura, las Artes y el Deporte, Cultura Veracruzana No. 101, Emiliano Zapata, Xalapa-Enríquez, Veracruz 91090, México
| | - Jorge J Rodríguez-Rojas
- Universidad Autónoma de Nuevo León, Centro de Investigación y Desarrollo en Ciencias de la Salud, Unidad de Patógenos y Vectores. Dr. Carlos Canseco s/n esquina Dr. J. E. González, Mitras Centro, C.P., Monterrey, Nuevo León 64460, México
| | - Ingeborg Becker
- Centro de Medicina Tropical, Unidad de Medicina Experimental, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México 06720, México.
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Mitochondrial COI and Cytb gene as valid molecular identification marker of sandfly species (Diptera: Psychodidae) in China. Acta Trop 2023; 238:106798. [PMID: 36529191 DOI: 10.1016/j.actatropica.2022.106798] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 12/13/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022]
Abstract
The accurate identification of sandfly species is crucial because some species transmit medically significant diseases, including leishmaniasis, bartonellosis and sandfly fever. However, due to the high similarity of the external morphology in sandfly species, identification can only be performed using internal morphological characteristics after dissection, which is time consuming and requires highly experienced staff. Thus, the introduction of suitable molecular markers may solve these identification problems. This study screened suitable DNA barcodes to identify common sandfly species in China. The phlebotomine sandflies were collected from Sichuan, Henan and Hainan Provinces from 2014 to 2016. The species were identified by the morphological characteristics of the pharyngeal armature and spermatheca. The genomic DNA of sandfly was extracted individually, and mitochondrial DNA (mtDNA) cytochrome C oxidase subunit I (COI) and cytochrome B (Cytb) as well as the 18S subunit of ribosomal DNA (rDNA) were amplified using polymerase chain reaction (PCR). Additionally, intraspecific and interspecific differences (p-distance) were calculated to evaluate the feasibility of the three gene fragments as a DNA barcode. The phylogeny trees of all sandfly species in this study were constructed using neighbor joining (NJ) method. Six species were identified by the morphological features, belonging to Phlebotomus and Sergentomyia, as Ph. chinensis s. l., Ph. stantoni, Se. bailyi, Se. iyengari, Se. squamirostris, and Se. squamipleuris. Analysis based on three gene fragments revealed some degree of intraspecific polymorphism among these sandfly species in China. The largest intraspecific variation occurred in Ph. chinensis s. l. (mtDNA COI, p-distance = 0.042; mtDNA Cytb, p-distance = 0.071), but the 18S rDNA fragment showed a small variation (p-distance = 0.005). The ranges of interspecific p-distances for mtDNA COI and mtDNA Cytb were 0.138 - 0.231 and 0.128 - 0.274, respectively. However, the interspecific p-distances of 18S rDNA are relatively low ranging from 0.003 to 0.055. Both mitochondrial COI and Cytb gene fragments are valid molecular identification markers in theses sandfly species. The topological structure of phylogeny trees based on mtDNA COI, mtDNA Cytb and 18S rDNA genes were all consistent with morphological classification. And we also found there were significant intraspecies differences within Ph. chinensis s. l. (0.006-0.071) and Se. bailyi (0.002-0.032) based on mtDNA Cytb gene fragment. Sequence alignment data suggested that Ph. chinensis s. l. from Sichuan should be Ph. sichuanensis, and the sandfly specimen collected from Henan was Ph. chinensis s. s.. There could be cryptic species in Se. bailyi from China.
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Rodrigues BL, Galati EAB. Molecular taxonomy of phlebotomine sand flies (Diptera, Psychodidae) with emphasis on DNA barcoding: A review. Acta Trop 2023; 238:106778. [PMID: 36435214 DOI: 10.1016/j.actatropica.2022.106778] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 11/21/2022] [Accepted: 11/22/2022] [Indexed: 11/25/2022]
Abstract
The taxonomy and systematics of sand flies (Diptera, Psychodidae, Phlebotominae) are one of the pillars of research aimed to identifying vector populations and the agents transmitted by these insects. Traditionally, the use of morphological traits has been the main line of evidence for the definition of species, but the use of DNA sequences is useful as an integrative approach for their delimitation. Here, we discuss the current status of the molecular taxonomy of sand flies, including their most sequenced molecular markers and the main results. Only about 37% of all sand fly species have been processed for any molecular marker and are publicly available in the NCBI GenBank or BOLD Systems databases. The genera Phlebotomus, Nyssomyia, Psathyromyia and Psychodopygus are well-sampled, accounting for more than 56% of their sequenced species. However, less than 34% of the species of Sergentomyia, Lutzomyia, Trichopygomyia and Trichophoromyia have been sampled, representing a major gap in the knowledge of these groups. The most sequenced molecular markers are those within mtDNA, especially the DNA barcoding fragment of the cytochrome c oxidase subunit I (coi) gene, which has shown promising results in detecting cryptic diversity within species. Few sequences of conserved genes have been generated, which hampers higher-level phylogenetic inferences. We argue that sand fly species should be sequenced for at least the coi DNA barcoding marker, but multiple markers with different mutation rates should be assessed, whenever possible, to generate multilocus analysis.
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Affiliation(s)
- Bruno Leite Rodrigues
- Programa de Pós-Graduação em Saúde Pública, Faculdade de Saúde Pública da Universidade de São Paulo (FSP/USP). Av. Dr. Arnaldo, 715 - Cerqueira César, São Paulo SP, Brazil, 01246-904.
| | - Eunice Aparecida Bianchi Galati
- Programa de Pós-Graduação em Saúde Pública, Faculdade de Saúde Pública da Universidade de São Paulo (FSP/USP). Av. Dr. Arnaldo, 715 - Cerqueira César, São Paulo SP, Brazil, 01246-904
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Balaska S, Calzolari M, Grisendi A, Scremin M, Dottori M, Mavridis K, Bellini R, Vontas J. Monitoring of Insecticide Resistance Mutations and Pathogen Circulation in Sand Flies from Emilia-Romagna, a Leishmaniasis Endemic Region of Northern Italy. Viruses 2023; 15:148. [PMID: 36680189 PMCID: PMC9862798 DOI: 10.3390/v15010148] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 12/28/2022] [Accepted: 12/29/2022] [Indexed: 01/05/2023] Open
Abstract
The continuously expanding distribution of sand flies, proven vectors of Leishmania and of several phleboviruses, is a growing public health issue in Europe. Especially in Italy, visceral leishmaniasis (VL) is occurring with increasing incidence northward, in previously non-endemic provinces. Around the globe, disease elimination efforts largely focus on sand fly vector insecticidal control, often leading to the development of resistance. In Emilia-Romagna (ER), northern Italy, insecticides are heavily applied for agricultural and mosquito control, but not specifically against sand flies. Here, we investigated the sand fly species composition in certain environmental settings in ER provinces and monitored the presence of pyrethroid resistance mutations and pathogen circulation. Phlebotomus perfiliewi, a dominant vector of Leishmania infantum, was detected almost exclusively in the region. No mutations in the voltage-gated sodium channel gene, e.g., knock-down resistance mutations I1011M, L1014F/S, V1016G, or F1020S, were recorded. Pathogen monitoring revealed that almost 40% of the tested sand fly pools were positive for Leishmania, while the presence of Toscana and Fermo phleboviruses was also observed in much lower frequencies (≤3% positive pools). Regular epidemiological and entomological monitoring, alongside resistance surveillance, is highly recommended to ensure the sustainability and efficiency of vector control interventions.
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Affiliation(s)
- Sofia Balaska
- Institute of Molecular Biology & Biotechnology, Foundation for Research & Technology Hellas, 70013 Heraklion, Greece
- Department of Biology, University of Crete, 70013 Heraklion, Greece
| | - Mattia Calzolari
- Istituto Zooprofilattico Sperimentale della Lombardia e dell’Emilia Romagna (IZSLER) “B. Ubertini”, 25124 Brescia, Italy
| | - Annalisa Grisendi
- Istituto Zooprofilattico Sperimentale della Lombardia e dell’Emilia Romagna (IZSLER) “B. Ubertini”, 25124 Brescia, Italy
| | - Mara Scremin
- Istituto Zooprofilattico Sperimentale della Lombardia e dell’Emilia Romagna (IZSLER) “B. Ubertini”, 25124 Brescia, Italy
| | - Michele Dottori
- Istituto Zooprofilattico Sperimentale della Lombardia e dell’Emilia Romagna (IZSLER) “B. Ubertini”, 25124 Brescia, Italy
| | - Konstantinos Mavridis
- Institute of Molecular Biology & Biotechnology, Foundation for Research & Technology Hellas, 70013 Heraklion, Greece
| | - Romeo Bellini
- Centro Agricoltura Ambiente (CAA) “Giorgio Nicoli”, Via Sant’Agata 835, Crevalcore, 40014 Bologna, Italy
| | - John Vontas
- Institute of Molecular Biology & Biotechnology, Foundation for Research & Technology Hellas, 70013 Heraklion, Greece
- Pesticide Science Lab, Department of Crop Science, Agricultural University of Athens, 11855 Athens, Greece
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Nasereddin A, Ereqat S, Al-Jawabreh A, Taradeh M, Abbasi I, Al-Jawabreh H, Sawalha S, Abdeen Z. Concurrent molecular characterization of sand flies and Leishmania parasites by amplicon-based next-generation sequencing. Parasit Vectors 2022; 15:262. [PMID: 35869485 PMCID: PMC9308317 DOI: 10.1186/s13071-022-05388-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Accepted: 07/05/2022] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Phlebotomine sand flies are vectors of Leishmania parasites, which are the causative agents of leishmaniasis. Herein, we developed an amplicon-based next-generation sequencing (Amp-NGS) to characterize sand flies and Leishmania parasites simultaneously targeting partial fragments of 18S rDNA and ITS1 genes, respectively. METHODS Our assay was optimized using reference sand fly (n = 8) and Leishmania spp. (n = 9) samples and validated using wild-caught sand flies from Palestine. The assay was highly specific, and all DNA references were successfully identified to the species level. RESULTS Among the wild-caught sand flies (n = 187), Phlebotomus spp. represented 95% of the collected samples (177/187), including Ph. sergenti (147/187, 79%), Ph. papatasi (19/187, 10.2%), Ph. perfiliewi (3/187, 1.6%), Ph. tobbi (2/187, 1.2%) and Ph. syriacus (6/187, 3.2%). Sergentomyia spp. represented only 5% (10/187) of the collected samples and included S. dentata (n = 6), S. fallax (n = 2), S. schwetzi (n = 1) and S. ghesquiere (n = 1). The study observed strong positive correlation between sand fly identification results of the Amp-NGS and morphological identification method (r = 0.84, df = 185, P < 0.001). Some discrepancies between the two methods in the identification of closely related species (i.e. Ph. perfiliewi, Ph. tobbi and Ph. syriacus) were observed. Leishmania DNA was detected and identified as L. tropica in 14 samples (14/187, 7.5%). CONCLUSIONS Our assay was sensitive to detect (limit of detection was 0.0016 ng/reaction) and identify Leishmania DNA in sand flies, thus representing a new tool for studying sand flies and their associated Leishmania parasites in endemic areas.
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Affiliation(s)
- Abedelmajeed Nasereddin
- grid.16662.350000 0001 2298 706XBiochemistry and Molecular Biology Department, Faculty of Medicine, Al-Quds University, Abu Deis, East Jerusalem, Palestine
| | - Suheir Ereqat
- grid.16662.350000 0001 2298 706XBiochemistry and Molecular Biology Department, Faculty of Medicine, Al-Quds University, Abu Deis, East Jerusalem, Palestine
| | - Amer Al-Jawabreh
- grid.440578.a0000 0004 0631 5812Department of Medical Laboratory Sciences, Faculty of Allied Health Sciences, Arab American University, Jenin, Palestine ,Leishmaniases Research Unit, Jericho, Palestine
| | - Mohamad Taradeh
- grid.16662.350000 0001 2298 706XAl-Quds Nutrition and Health Research Institute, Al-Quds University, East Jerusalem, Palestine ,AL-Quds Public Health Society, East Jerusalem, Palestine
| | - Ibrahim Abbasi
- grid.16662.350000 0001 2298 706XDepartment of Biology and Biotechnology, Al-Quds University, East Jerusalem, Palestine
| | - Hanan Al-Jawabreh
- Leishmaniases Research Unit, Jericho, Palestine ,grid.16662.350000 0001 2298 706XAl-Quds Nutrition and Health Research Institute, Al-Quds University, East Jerusalem, Palestine ,AL-Quds Public Health Society, East Jerusalem, Palestine
| | | | - Ziad Abdeen
- grid.16662.350000 0001 2298 706XAl-Quds Nutrition and Health Research Institute, Al-Quds University, East Jerusalem, Palestine ,AL-Quds Public Health Society, East Jerusalem, Palestine
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10
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LAIR XAVIER, ROPARS LISE, SKEVINGTON JEFFREYH, KELSO SCOTT, GESLIN BENOÎT, MINSSIEUX ELISE, NÈVE GABRIEL. Revision of the genus Pelecocera Meigen, 1822 (Diptera: Syrphidae) from France: taxonomy, ecology and distribution. Zootaxa 2022; 5141:1-24. [DOI: 10.11646/zootaxa.5141.1.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Indexed: 11/04/2022]
Abstract
The occurrence and distribution of the various species of the genus Pelecocera Meigen, 1822 (Diptera: Syrphidae) occurring in France are revised and a new species, Pelecocera garrigae Lair & Nève, 2022 sp. nov., is described from Mediterranean France. Distribution and ecological data of the six French species of Pelecocera are provided and an identification key is given to all these species. Sequences of the cytochrome c oxidase subunit I (COI) from all European Pelecocera species support the morphological species concept, except for Pelecocera scaevoides (Fallén, 1817). The binomen Pelecocera lugubris Perris, 1839 is recovered to name the Pelecocera lusitanica (Mik, 1898) of authors in France.
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11
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Molecular phylogeny of heritable symbionts and microbiota diversity analysis in phlebotominae sand flies and Culex nigripalpus from Colombia. PLoS Negl Trop Dis 2021; 15:e0009942. [PMID: 34928947 PMCID: PMC8722730 DOI: 10.1371/journal.pntd.0009942] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 01/03/2022] [Accepted: 10/22/2021] [Indexed: 01/04/2023] Open
Abstract
Background Secondary symbionts of insects include a range of bacteria and fungi that perform various functional roles on their hosts, such as fitness, tolerance to heat stress, susceptibility to insecticides and effects on reproduction. These endosymbionts could have the potential to shape microbial communites and high potential to develop strategies for mosquito-borne disease control. Methodology/Principal findings The relative frequency and molecular phylogeny of Wolbachia, Microsporidia and Cardinium were determined of phlebotomine sand flies and mosquitoes in two regions from Colombia. Illumina Miseq using the 16S rRNA gene as a biomarker was conducted to examine the microbiota. Different percentages of natural infection by Wolbachia, Cardinium, and Microsporidia in phlebotomines and mosquitoes were detected. Phylogenetic analysis of Wolbachia shows putative new strains of Lutzomyia gomezi (wLgom), Brumptomyia hamata (wBrham), and a putative new group associated with Culex nigripalpus (Cnig) from the Andean region, located in Supergroup A and Supergroup B, respectively. The sequences of Microsporidia were obtained of Pi. pia and Cx. nigripalpus, which are located on phylogeny in the IV clade (terrestrial origin). The Cardinium of Tr. triramula and Ps. shannoni were located in group C next to Culicoides sequences while Cardinium of Mi. cayennensis formed two putative new subgroups of Cardinium in group A. In total were obtained 550 bacterial amplicon sequence variants (ASVs) and 189 taxa to the genus level. The microbiota profiles of Sand flies and mosquitoes showed mainly at the phylum level to Proteobacteria (67.6%), Firmicutes (17.9%) and Actinobacteria (7.4%). High percentages of relative abundance for Wolbachia (30%-83%) in Lu. gomezi, Ev. dubitans, Mi. micropyga, Br. hamata, and Cx. nigripalpus were found. ASVs assigned as Microsporidia were found in greater abundance in Pi. pia (23%) and Cx. nigripalpus (11%). An important finding is the detection of Rickettsia in Pi. pia (58,8%) and Bartonella sp. in Cx. nigripalpus. Conclusions/Significance We found that Wolbachia infection significantly decreased the alpha diversity and negatively impacts the number of taxa on sand flies and Culex nigripalpus. The Principal Coordinate Analysis (PCoA) is consistent, which showed statistically significant differences (PERMANOVA, F = 2.4744; R2 = 0.18363; p-value = 0.007) between the microbiota of sand flies and mosquitoes depending on its origin, host and possibly for the abundance of some endosymbionts (Wolbachia, Rickettsia). The secondary endosymbionts can positively influence the metabolism of many compounds essential for the survival of the insect vectors, provide resistance to pathogens and impact susceptibility to insecticides, as also the tolerance to heat stress. We provide information from new records of natural infection of secondary endosymbionts, such as Wolbachia, Cardinium, Microsporidia, Flavobacterium, and Rickettsia in phlebotomine sand flies and mosquitoes from Colombia. An important finding is the detection of Bartonella sp. in Cx. nigripalpus. Clear differences were found in the composition and diversity of microbiota at the intra-specific and interspecific levels in sand flies and Cx. nigripalpus, which may depend in the of the load of natural infection of endosymbionts (as Wolbachia), the geographical distribution and host.
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Gutierrez MAC, Lopez ROH, Ramos AT, Vélez ID, Gomez RV, Arrivillaga-Henríquez J, Uribe S. DNA barcoding of Lutzomyia longipalpis species complex (Diptera: Psychodidae), suggests the existence of 8 candidate species. Acta Trop 2021; 221:105983. [PMID: 34048789 DOI: 10.1016/j.actatropica.2021.105983] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 04/27/2021] [Accepted: 05/20/2021] [Indexed: 10/21/2022]
Abstract
The sand fly Lutzomyia (L.) longipalpis has been implicated as the primary vector of Leishmania infantum, the causative agent of visceral leishmaniasis VL. In addition, it has been associated with atypical cutaneous leishmaniasis transmission in the Neotropic and Central America, respectively. The existence of a L. longipalpis complex species has been suggested with important implications for leishmaniasis epidemiology; however, the delimitation of species conforming it remains a topic of controversy. The DNA Barcoding Initiative based on cox1 sequence variation was used to identify the MOTUs in L. longipalpis including previously described L. pseudolongipalpis. The genetic variation was analyzed based on tree and distance methods. Fifty-five haplotypes were obtained from 103 sequences which were assigned to MOTUs, with a clear separation and a high correspondence of individuals to the groups. Maximum likelihood and Bayesian phylogenetic analysis showed eight MOTUs (100% bootstrap) with high genetic divergence (12.6%). Data obtained in the present study suggest that L. longipalpis complex consists of at least 8 lineages that may represent species. It would be desirable perform additional morphological and molecular analysis of L. longipalpis from Colosó (Caribbean ecoregion) considering that specimens from that area were grouped with L. pseudolongipalpis one of the complex species previously described from Venezuela, which has not been registered in Colombia.
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Responte M, Chiu Y, Peng P, Brown RM, Dai C, Su Y. Northward geographic diversification of a kleptoparasitic spider Argyrodes lanyuensis (Araneae, Theridiidae) from the Philippine Archipelago to Orchid Island. Ecol Evol 2021; 11:11241-11266. [PMID: 34429915 PMCID: PMC8366866 DOI: 10.1002/ece3.7910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 06/17/2021] [Accepted: 06/24/2021] [Indexed: 11/10/2022] Open
Abstract
Oceanic islands are unique geographic systems that promote local adaptations and allopatric speciation in many of their highly endemic taxa. This is a common case in the Philippine Archipelago, where numerous unrelated taxa on islands have been inferred to have diversified in isolation. However, few cases have been reported in invertebrates especially among parasitic organisms. Here, we tested for biogeographical structure in novel populations of the "generalist" kleptoparasitic spider, Argyrodes lanyuensis Yoshida, Tso & Severinghaus, 1998 in the Philippines. Results showed that, in addition to Orchid/Lanyu Island, this species has a wide geographic distribution in the Philippine Archipelago. The estimated divergence time of this lineage using the mitochondrial cytochrome oxidase 1 (mt-CO1) suggests that this species diverged ca 3.12 MYA, during the Pliocene. Two reciprocal monophyletic clades were elucidated in A. lanyuensis, but with limited differentiation across Pleistocene Aggregate Island Complex (PAIC) boundaries and modern-day islands. However, in our analyses of morphological variation, we identified two phenotypically differentiated units in males (Orchid Island, Taiwan + Luzon, Philippine PAIC populations vs. Palawan + West Visayan + Mindanao PAIC populations). We infer that this species diverged in the southern portion of the Philippine Archipelago and only recently colonized Orchid Island. Our study provides new information on the extensive distribution of A. lanyuensis outside Orchid Island, Taiwan, but we documented a very limited geographically associated genetic variation. Our study points to behavioral phenomena such as foraging behavior as essential contributor to the evolutionary process of species diversification, in contrast to the traditionally invoked geographic drivers of divergence.
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Affiliation(s)
- Mae Responte
- Graduate Institute of MedicineCollege of MedicineKaohsiung Medical UniversityKaohsiungTaiwan
- Department of Biological Sciences and Environmental StudiesCollege of Science and MathematicsUniversity of the Philippines MindanaoDavao CityPhilippines
| | - Yi‐Fan Chiu
- Department of Biomedical Science and Environmental BiologyCollege of Life ScienceKaohsiung Medical UniversityKaohsiungTaiwan
| | - Po Peng
- Department of Biomedical Science and Environmental BiologyCollege of Life ScienceKaohsiung Medical UniversityKaohsiungTaiwan
| | - Rafe M. Brown
- Biodiversity InstituteDepartment of Ecology and Evolutionary BiologyUniversity of KansasLawrenceKansasUSA
| | - Chia‐Yen Dai
- Department of MedicineCollege of MedicineKaohsiung Medical UniversityKaohsiungTaiwan
| | - Yong‐Chao Su
- Department of Biomedical Science and Environmental BiologyCollege of Life ScienceKaohsiung Medical UniversityKaohsiungTaiwan
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Rodrigues BL, Baton LA, Shimabukuro PHF. Single-locus DNA barcoding and species delimitation of the sandfly subgenus Evandromyia (Aldamyia). MEDICAL AND VETERINARY ENTOMOLOGY 2020; 34:420-431. [PMID: 32590879 DOI: 10.1111/mve.12458] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 05/05/2020] [Accepted: 05/27/2020] [Indexed: 06/11/2023]
Abstract
Sandfly specimens from the subgenus Evandromyia (Aldamyia) Galati, 2003 (Diptera: Psychodidae: Phlebotominae) were collected between 2012 and 2019 from nine localities in seven Brazilian states, morphologically-identified, and then DNA barcoded by sequencing the mitochondrial cytochrome c oxidase subunit I (coi) gene. Forty-four new barcode sequences generated from 10 morphospecies were combined with 49 previously published sequences from the same subgenus and analysed using sequence-similarity methods (best-match criteria) to assess their ability at specimen identification, while four different species delimitation methods (ABGD, GMYC, PTP and TCS) were used to infer molecular operational taxonomic units (MOTUs). Overall, seven of the 11 morphospecies analysed were congruent with both the well-supported clades identified by phylogenetic analysis and the MOTUs inferred by species delimitation, while the remaining four morphospecies - E. carmelinoi, E. evandroi, E. lenti and E. piperiformis - were merged into a single well-supported clade/MOTU. Although E. carmelinoi, E. evandroi and E. lenti were indistinguishable using coi DNA barcodes, E. piperiformis did form a distinct phylogenetic cluster and could be correctly identified using best-match criteria. Despite their apparent morphological differences, we propose on the basis of the molecular similarity of their DNA barcodes that these latter four morphospecies should be considered members of a recently-diverged species complex.
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Affiliation(s)
- B L Rodrigues
- Grupo de Estudos em Leishmanioses, Instituto René Rachou-Fiocruz Minas, Belo Horizonte, Minas Gerais, Brazil
| | - L A Baton
- 50 Rowntree Way Saffron Walden, Essex, CB11 4DL, U.K
| | - P H F Shimabukuro
- Grupo de Estudos em Leishmanioses, Instituto René Rachou-Fiocruz Minas, Belo Horizonte, Minas Gerais, Brazil
- Coleção de Flebotomíneos (FIOCRUZ/COLFLEB), Instituto René Rachou-Fiocruz Minas, Belo Horizonte, Minas Gerais, Brazil
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Changbunjong T, Weluwanarak T, Sedwisai P, Ruangsittichai J, Duvallet G, Chareonviriyaphap T. New records and DNA barcoding of deer flies, Chrysops (Diptera: Tabanidae) in Thailand. Acta Trop 2020; 210:105532. [PMID: 32497542 DOI: 10.1016/j.actatropica.2020.105532] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 05/07/2020] [Accepted: 05/07/2020] [Indexed: 12/27/2022]
Abstract
Chrysops spp. or deer flies (Diptera: Tabanidae) are hematophagous flies of medical and veterinary importance and some species are important vectors of Trypanosoma evansi, the causative agent of surra in Thailand. However, data regarding deer fly species and their molecular identification are limited. Accurate species identification will indicate the appropriate control measures. In this study, an entomological survey of deer flies from different sites in Thailand between May 2018 and June 2019 were conducted. In addition, mitochondrial cytochrome oxidase subunit I (COI) barcoding region was used for species identification. A total of 82 females were collected and 6 species were identified. Of these, three species are new records for Thailand: C. designatus, C. fuscomarginalis and C. vanderwulpi bringing the species total found in Thailand to nine. The COI sequences revealed an intraspecific divergence of 0.0%-2.65% and an interspecific divergence of 7.03%-13.47%. Phylogenetic analysis showed that all deer fly species were clearly separated into distinct clusters according to morphologically identified species. These results indicated that COI barcodes were capable in discriminating between deer fly species on the basis of the barcoding gap and phylogenetic analysis. Therefore, DNA barcoding is a valuable tool for species identification of deer flies in Thailand.
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Changbunjong T, Ruangsittichai J, Duvallet G, Pont AC. Molecular Identification and Geometric Morphometric Analysis of Haematobosca aberrans (Diptera: Muscidae). INSECTS 2020; 11:E451. [PMID: 32708722 PMCID: PMC7412132 DOI: 10.3390/insects11070451] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 07/08/2020] [Accepted: 07/13/2020] [Indexed: 11/17/2022]
Abstract
The genus Haematobosca Bezzi, 1907 (Diptera: Muscidae) contains haematophagous flies of veterinary importance. A new fly species of this genus was recognised from northern Thailand based on morphological characters and described as Haematobosca aberrans Pont, Duvallet & Changbunjong, 2020. In the present study, the mitochondrial cytochrome c oxidase I (COI) gene was used to confirm the morphological identification of H. aberrans. In addition, landmark-based geometric morphometrics was used to determine sexual dimorphism. The molecular analysis was conducted with 10 COI sequences. The results showed that all sequences were 100% identical. The sequence was not highly similar to reference sequences from GenBank and did not match any identified species from Barcode of Life Data Systems (BOLD). Phylogenetic analysis clearly differentiated this species from other species within the subfamily Stomoxyinae. For geometric morphometric analysis, a total of 16 wing pictures were analysed using the landmark-based approach. The results showed significant differences in wing shape between males and females, with a cross-validated classification score of 100%. The allometric analysis showed that wing shape has no correlation with size. Therefore, the COI gene is effective in species identification of H. aberrans, and geometric morphometrics is also effective in determining sexual dimorphism.
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Affiliation(s)
- Tanasak Changbunjong
- Department of Pre-clinic and Applied Animal Science, Faculty of Veterinary Science, Mahidol University, Nakhon Pathom 73170, Thailand
- The Monitoring and Surveillance Center for Zoonotic Diseases in Wildlife and Exotic Animals (MoZWE), Faculty of Veterinary Science, Mahidol University, Nakhon Pathom 73170, Thailand
| | - Jiraporn Ruangsittichai
- Department of Medical Entomology, Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand;
| | - Gerard Duvallet
- UMR5175 CEFE, Centre d’Ecologie Fonctionnelle et Evolutive, Université Paul-Valéry, 34090 Montpellier, France;
| | - Adrian C. Pont
- Oxford University Museum of Natural History, Parks Road, Oxford OX1 3PW, UK;
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Md Naim D, Kamal NZM, Mahboob S. Population structure and genetic diversity of Aedes aegypti and Aedes albopictus in Penang as revealed by mitochondrial DNA cytochrome oxidase I. Saudi J Biol Sci 2020; 27:953-967. [PMID: 32127775 PMCID: PMC7042630 DOI: 10.1016/j.sjbs.2020.01.021] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 01/14/2020] [Accepted: 01/16/2020] [Indexed: 11/24/2022] Open
Abstract
The population genetics study is crucial as it helps in understanding the epidemiological aspects of dengue and help improving a vector control measures. This research aims to investigate the population genetics structure of two common species of Aedes mosquitoes in Penang; Aedes aegypti and Aedes albopictus using Cytochrome Oxidase I (COI) mitochondrial DNA (mtDNA) marker. Molecular investigations were derived from 440 bp and 418 bp mtDNA COI on 125 and 334 larvae of Aedes aegypti and Aedes albopictus respectively, from 32 locations in Penang. All samples were employed in the BLASTn for species identification. The haplotype diversity, nucleotide diversity, neutrality test and mismatch distribution analysis were conducted in DnaSP version 5.10.1. AMOVA analysis was conducted in ARLEQUIN version 3.5 and the phylogenetic reconstructions based on maximum likelihood (ML) and neighbor-joining (NJ) methods were implemented in MEGA X. The relationships among haplotypes were further tested by creating a minimum spanning tree using Network version 4.6.1. All samples were genetically identified and clustered into six distinct species. Among the species, Ae. albopictus was the most abundant (67.2%), followed by Ae. aegypti (25.2%) and the rest were counted for Culex sp. and Toxorhynchites sp. Both Ae. aegypti and Ae. albopictus show low nucleotide diversity (π) and high haplotype diversity (h), while the neutrality test shows a negative value in most of the population for both species. There are a total of 39 and 64 haplotypes recorded for Ae. aegypti and Ae. albopictus respectively. AMOVA analysis revealed that most of the variation occurred within population for both species. Mismatch distribution analysis showed bimodal characteristic of population differentiation for Ae. aegypti but Ae. albopictus showed unimodal characteristics of population differentiation. Genetic distance based on Tamura-Nei parameter showed low genetic divergent within population and high genetic divergent among population for both species. The maximum likelihood tree showed no obvious pattern of population genetic structure for both Ae. aegypti and Ae. albopictus from Penang and a moderate to high bootstrap values has supported this conclusion. The minimum spanning network for Ae. aegypti and Ae. albopictus showed five and three dominant haplotypes respectively, which indicates a mixture of haplotypes from the regions analysed. This study revealed that there is no population genetic structure exhibited by both Ae. aegypti and Ae. albopictus in Penang. Mutation has occurred rapidly in both species and this will be challenging in controlling the populations. However, further analysis needed to confirm this statement.
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Affiliation(s)
- Darlina Md Naim
- School of Biological Sciences, Universiti Sains Malaysia, 11800 Pulau Pinang, Malaysia
| | | | - Shahid Mahboob
- Department of Zoology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
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18
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Lozano-Sardaneta YN, Paternina LE, Sánchez-Montes S, Quintero A, Ibáñez-Bernal S, Sánchez-Cordero V, Bejarano EE, Becker I. DNA barcoding and fauna of phlebotomine sand flies (Diptera: Psychodidae: Phlebotominae) from Los Tuxtlas, Veracruz, Mexico. Acta Trop 2020; 201:105220. [PMID: 31618609 DOI: 10.1016/j.actatropica.2019.105220] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 09/18/2019] [Accepted: 10/11/2019] [Indexed: 11/18/2022]
Abstract
Mexico has great diversity of phlebotomine sand flies related to cases of leishmaniasis, yet few studies have dressed the molecular taxonomy of these sand fly species. The use of the cytochrome oxidase subunit 1 (COI) gene, as a DNA Barcode has facilitated the molecular identification of sand flies species worldwide. We use the DNA barcode as a useful tool for the identification of phlebotomine sand flies of the natural reserve Los Tuxtlas from Veracruz, México. A fragment of 536 bp of the COI gene was obtained from 36 individuals belonging to eight species of five genera (Dampfomyia, Lutzomyia, Psathyromyia, Psychodopygus and Brumptomyia) with coverage between 92-100%, and found similarities ranging from 93-98% with other New World phlebotomine sand flies. The NJ dendogram grouped sand flies into eight clusters according to identified species, supported by bootstrap of 97%-100%. In conclusion, all phlebotomine sand flies were correctly identified and agree with the morphological identification, also could separate genetics the isomorphic females of the genus Brumptomyia.
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Affiliation(s)
- Yokomi N Lozano-Sardaneta
- Centro de Medicina Tropical, División de Investigación, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - Luís E Paternina
- Grupo Investigaciones Biomédicas, Universidad de Sucre, Sincelejo, Sucre, Colombia
| | - Sokani Sánchez-Montes
- Centro de Medicina Tropical, División de Investigación, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - Alejandro Quintero
- Centro de Medicina Tropical, División de Investigación, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México, México
| | | | - Víctor Sánchez-Cordero
- Instituto de Biología, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - Eduar Elías Bejarano
- Grupo Investigaciones Biomédicas, Universidad de Sucre, Sincelejo, Sucre, Colombia
| | - Ingeborg Becker
- Centro de Medicina Tropical, División de Investigación, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México, México.
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Adeniran AA, Fernández‐Santos NA, Rodríguez‐Rojas JJ, Treviño‐Garza N, Huerta‐Jiménez H, Mis‐Ávila PC, Pérez‐Pech WA, Hernández‐Triana LM, Rodríguez‐Pérez MA. Identification of phlebotomine sand flies (Diptera: Psychodidae) from leishmaniasis endemic areas in southeastern Mexico using DNA barcoding. Ecol Evol 2019; 9:13543-13554. [PMID: 31871665 PMCID: PMC6912917 DOI: 10.1002/ece3.5811] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 10/05/2019] [Accepted: 10/10/2019] [Indexed: 11/13/2022] Open
Abstract
Leishmaniasis, a vector-borne disease transmitted to humans through the bite of phlebotomine sand flies, is of public health significance in southeastern Mexico. Active and continuous monitoring of vectors is an important aspect of disease control for the prediction of potential outbreaks. Thus, the correct identification of vectors is paramount in this regard. In this study, we employed DNA barcoding as a tool for identifying phlebotomine sand flies collected in localized cutaneous leishmaniasis endemic areas of Quintana Roo, Mexico. Specimens were collected using CDC light and Shannon traps as part of the Mexican Ministry of Health surveillance program. DNA extraction was carried out using a nondestructive protocol, and morphological identification based on taxonomic keys was conducted on slide-mounted specimens. Molecular taxonomic resolution using the 658-bp fragment of the mitochondrial cytochrome c oxidase subunit 1 (cox1) gene was 100% congruent with the morphological identification. Seven species were identified: Lutzomyia cruciata (Coquillett 1907), Lutzomyia longipalpis (Lutz & Neiva 1912), Psathyromyia shannoni (Dyar 1929), Dampfomyia deleoni (Fairchild & Hertig 1947), Dampfomyia beltrani/steatopyga (Vargas & Díaz-Nájera 1951), Bichromomyia olmeca olmeca (Vargas & Díaz-Nájera, 1959), and Brumptomyia mesai (Sherlock 1962). Mean intraspecific divergence ranged from 0.12% to 1.22%, while interspecific distances ranged from 11.59% to 19.29%. Neighbor-joining (NJ) analysis using the Kimura 2-parameter model also showed specimens of the same species to be clustered together. The study provides the first cox1 sequences for three species of sand flies and indicates the utility of DNA barcoding for phlebotomine sand flies species identification in southeastern Mexico.
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Affiliation(s)
- Adebiyi A. Adeniran
- Laboratorio de Biomedicina MolecularCentro de Biotecnología GenómicaInstituto Politécnico NacionalReynosaMéxico
| | - Nadia A. Fernández‐Santos
- Laboratorio de Biomedicina MolecularCentro de Biotecnología GenómicaInstituto Politécnico NacionalReynosaMéxico
| | - Jorge J. Rodríguez‐Rojas
- Centro de Investigación y Desarrollo en Ciencias de la SaludUnidad de Patógenos Emergentes, Re-emergentes y VectoresUniversidad Autónoma de Nuevo LeónNuevo LeónMéxico
| | - Nancy Treviño‐Garza
- Centro Nacional de Programas Preventivos y Control de EnfermedadesSecretaria de SaludMexico CityMéxico
| | - Heron Huerta‐Jiménez
- Laboratorio de Entomología e InsectarioInstituto Nacional de Diagnóstico y Referencia EpidemiológicosSecretaria de SaludMexico CityMéxico
| | - Pedro C. Mis‐Ávila
- Servicios de Salud del Estado de Quintana RooSecretaria de SaludChetumalMéxico
| | | | | | - Mario A. Rodríguez‐Pérez
- Laboratorio de Biomedicina MolecularCentro de Biotecnología GenómicaInstituto Politécnico NacionalReynosaMéxico
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20
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Onder Z, Yildirim A, Duzlu O, Arslan MO, Sari B, Tasci GT, Ciloglu A, Aydin NP, Inci A, Adler PH. Molecular characterization of black flies (Diptera: Simuliidae) in areas with pest outbreaks and simuliotoxicosis in Northeast Anatolia Region, Turkey. Acta Trop 2019; 199:105149. [PMID: 31422094 DOI: 10.1016/j.actatropica.2019.105149] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Revised: 08/06/2019] [Accepted: 08/14/2019] [Indexed: 11/19/2022]
Abstract
Accurate species identification provides the foundation for successful pest management and vector control of black flies. Accordingly, we examined the mitochondrial DNA cytochrome oxidase I (COI) gene sequences of four morphologically and chromosomally identified species of black flies (Simulium vernumgroup sp., S. bergi Rubtsov, S. bezzii (Corti), and S. kiritshenkoi Rubtsov) in Northeast Anatolia Region of Turkey where simuliid pest problems and simuliotoxicosis cases have been reported among cattle. COI gene sequences of these species and closely related species available in GenBank were used to provide species-level diagnoses and infer relationships. Both subgenera (Nevermannia and Simulium) were monophyletic, and subclades generally corresponded with species groups. Intraspecific genetic divergence was 0.2-1.6%, whereas the mean interspecific genetic divergence among the four species was 11.2-14.5%. The COI analysis produced results congruent with morphological concepts of the nominal species S. bergi and S. bezzii. Probable misidentifications in GenBank were revealed, especially for species in the S. ornatum and S. vernum groups, complicating identification capability. Sequence variation in the COI barcode region also might not be adequate for species delineation and identification among some species in these two species groups.
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Affiliation(s)
- Zuhal Onder
- Erciyes University, Faculty of Veterinary Medicine, Parasitology Department, Kayseri, Turkey; Vectors and Vector-Borne Diseases Implementation and Research Center, Erciyes University, Kayseri, Turkey.
| | - Alparslan Yildirim
- Erciyes University, Faculty of Veterinary Medicine, Parasitology Department, Kayseri, Turkey; Vectors and Vector-Borne Diseases Implementation and Research Center, Erciyes University, Kayseri, Turkey
| | - Onder Duzlu
- Erciyes University, Faculty of Veterinary Medicine, Parasitology Department, Kayseri, Turkey; Vectors and Vector-Borne Diseases Implementation and Research Center, Erciyes University, Kayseri, Turkey
| | - Mukremin O Arslan
- Kafkas University, Faculty of Medicine, Parasitology Department, Kars, Turkey
| | - Baris Sari
- Kafkas University, Faculty of Veterinary Medicine, Parasitology Department, Kars, Turkey
| | - Gencay T Tasci
- Kafkas University, Faculty of Veterinary Medicine, Parasitology Department, Kars, Turkey
| | - Arif Ciloglu
- Erciyes University, Faculty of Veterinary Medicine, Parasitology Department, Kayseri, Turkey; Vectors and Vector-Borne Diseases Implementation and Research Center, Erciyes University, Kayseri, Turkey
| | | | - Abdullah Inci
- Erciyes University, Faculty of Veterinary Medicine, Parasitology Department, Kayseri, Turkey; Vectors and Vector-Borne Diseases Implementation and Research Center, Erciyes University, Kayseri, Turkey
| | - Peter H Adler
- Department of Plant and Environmental Sciences, Clemson University, Clemson, SC 29634, USA
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Thongjued K, Chotigeat W, Bumrungsri S, Thanakiatkrai P, Kitpipit T. A new cost-effective and fast direct PCR protocol for insects based on PBS buffer. Mol Ecol Resour 2019; 19:691-701. [PMID: 30758899 DOI: 10.1111/1755-0998.13005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 02/06/2019] [Accepted: 02/08/2019] [Indexed: 01/26/2023]
Abstract
Insect DNA barcoding is a species identification technique used in biodiversity assessment and ecological studies. However, DNA extraction can result in the loss of up to 70% of DNA. Recent research has reported that direct PCR can overcome this issue. However, the success rates could still be improved, and tissues used for direct PCR could not be reused for further genetic studies. Here, we developed a direct PCR workflow that incorporates a 2-min sample preparation in PBS-buffer step for fast and effective universal insect species identification. The developed protocol achieved 100% success rates for amplification in six orders: Mantodea, Phasmatodea, Neuroptera, Odonata, Blattodea and Orthoptera. High and moderate success rates were obtained for five other species: Lepidoptera (97.3%), Coleoptera (93.8%), Diptera (90.5%), Hemiptera (81.8%) and Hymenoptera (75.0%). High-quality sequencing data were also obtained from these amplifiable products, allowing confidence in species identification. The method was sensitive down to 1/4th of a 1-mm fragment of leg or body and its success rates with oven-dried, ethanol-preserved, food, bat guano and museum specimens were 100%, 98.6%, 90.0%, 84.0% and 30.0%, respectively. In addition, the pre-PCR solution (PBS with insect tissues) could be used for further DNA extraction if needed. The workflow will be beneficial in the fields of insect taxonomy and ecological studies due to its low cost, simplicity and applicability to highly degraded specimens.
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Affiliation(s)
- Kantima Thongjued
- Department of Molecular Biotechnology and Bioinformatics, Faculty of Science, Prince of Songkla University, Songkhla, Thailand
| | - Wilaiwan Chotigeat
- Department of Molecular Biotechnology and Bioinformatics, Faculty of Science, Prince of Songkla University, Songkhla, Thailand.,Center for Genomics and Bioinformatics Research, Faculty of Science, Prince of Songkla University, Songkhla, Thailand
| | - Sara Bumrungsri
- Department of Biology, Faculty of Science, Prince of Songkla University, Songkhla, Thailand
| | - Phuvadol Thanakiatkrai
- Forensic Science Program, Department of Applied Science, Faculty of Science, Prince of Songkla University, Songkhla, Thailand
| | - Thitika Kitpipit
- Forensic Science Program, Department of Applied Science, Faculty of Science, Prince of Songkla University, Songkhla, Thailand
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Morinière J, Balke M, Doczkal D, Geiger MF, Hardulak LA, Haszprunar G, Hausmann A, Hendrich L, Regalado L, Rulik B, Schmidt S, Wägele JW, Hebert PDN. A DNA barcode library for 5,200 German flies and midges (Insecta: Diptera) and its implications for metabarcoding-based biomonitoring. Mol Ecol Resour 2019; 19:900-928. [PMID: 30977972 PMCID: PMC6851627 DOI: 10.1111/1755-0998.13022] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Revised: 03/22/2019] [Accepted: 03/25/2019] [Indexed: 11/29/2022]
Abstract
This study summarizes results of a DNA barcoding campaign on German Diptera, involving analysis of 45,040 specimens. The resultant DNA barcode library includes records for 2,453 named species comprising a total of 5,200 barcode index numbers (BINs), including 2,700 COI haplotype clusters without species‐level assignment, so called “dark taxa.” Overall, 88 out of 117 families (75%) recorded from Germany were covered, representing more than 50% of the 9,544 known species of German Diptera. Until now, most of these families, especially the most diverse, have been taxonomically inaccessible. By contrast, within a few years this study provided an intermediate taxonomic system for half of the German Dipteran fauna, which will provide a useful foundation for subsequent detailed, integrative taxonomic studies. Using DNA extracts derived from bulk collections made by Malaise traps, we further demonstrate that species delineation using BINs and operational taxonomic units (OTUs) constitutes an effective method for biodiversity studies using DNA metabarcoding. As the reference libraries continue to grow, and gaps in the species catalogue are filled, BIN lists assembled by metabarcoding will provide greater taxonomic resolution. The present study has three main goals: (a) to provide a DNA barcode library for 5,200 BINs of Diptera; (b) to demonstrate, based on the example of bulk extractions from a Malaise trap experiment, that DNA barcode clusters, labelled with globally unique identifiers (such as OTUs and/or BINs), provide a pragmatic, accurate solution to the “taxonomic impediment”; and (c) to demonstrate that interim names based on BINs and OTUs obtained through metabarcoding provide an effective method for studies on species‐rich groups that are usually neglected in biodiversity research projects because of their unresolved taxonomy.
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Affiliation(s)
| | | | | | - Matthias F Geiger
- Zoological Research Museum Alexander Koenig - Leibniz Institute for Animal Biodiversity, Bonn, Germany
| | | | | | | | | | | | - Björn Rulik
- Zoological Research Museum Alexander Koenig - Leibniz Institute for Animal Biodiversity, Bonn, Germany
| | | | - Johann-Wolfgang Wägele
- Zoological Research Museum Alexander Koenig - Leibniz Institute for Animal Biodiversity, Bonn, Germany
| | - Paul D N Hebert
- Centre for Biodiversity Genomics, University of Guelph, Guelph, Ontario, Canada
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Merchant A, Yu T, Shi J, Zhou X. Development of a Diagnostic Marker for Phlebotomus papatasi to Initiate a Potential Vector Surveillance Program in North America. INSECTS 2018; 9:insects9040162. [PMID: 30424532 PMCID: PMC6315872 DOI: 10.3390/insects9040162] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Revised: 11/07/2018] [Accepted: 11/09/2018] [Indexed: 11/16/2022]
Abstract
Phlebotomus papatasi, an Old World sand fly species, is primarily responsible for the transmission of leishmaniasis, a highly infectious and potentially lethal disease. International travel, especially military rotations, between domestic locations and P. papatasi-prevalent regions in the Middle East poses an imminent threat to the public health of US citizens. Because of its small size and cryptic morphology, identification of P. papatasi is challenging and labor-intensive. Here, we developed a ribosomal DNA-polymerase chain reaction (PCR)-based diagnostic assay that is capable of detecting P. papatasi genomic DNA from mixed samples containing multiple sand flies native to the Americas. Serial dilution of P. papatasi samples demonstrated that this diagnostic assay could detect one P. papatasi from up to 255 non-target sand flies. Due to its simplicity, sensitivity and specificity, this rapid identification tool is suited for a long-term surveillance program to screen for the presence of P. papatasi in the continental United States and to reveal geographical regions potentially vulnerable to sand fly-borne diseases.
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Affiliation(s)
- Austin Merchant
- Department of Entomology, University of Kentucky, Lexington, KY 40546, USA.
| | - Tian Yu
- Department of Entomology, University of Kentucky, Lexington, KY 40546, USA.
| | - Jizhe Shi
- Department of Entomology, University of Kentucky, Lexington, KY 40546, USA.
| | - Xuguo Zhou
- Department of Entomology, University of Kentucky, Lexington, KY 40546, USA.
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Species identification of horse flies (Diptera: Tabanidae) in Thailand using DNA barcoding. Vet Parasitol 2018; 259:35-43. [PMID: 30056981 DOI: 10.1016/j.vetpar.2018.07.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2018] [Revised: 06/28/2018] [Accepted: 07/02/2018] [Indexed: 11/21/2022]
Abstract
Horse flies (Diptera: Tabanidae) are of medical and veterinary importance because they are known to transmit pathogens. Approximately 80 species of horse flies have been reported in Thailand. Monitoring the distribution of horse fly species is important to control the spread of diseases transmitted by them. Currently, the species identification of horse flies is based on their morphology; this requires considerable skills and taxonomic expertise, and it may be difficult to identify morphologically similar species. DNA-based identification methods are increasingly being developed for rapid and accurate identification of various insect species. In this study, we used mitochondrial cytochrome oxidase subunit I (COI) for species identification of horse flies in Thailand. A 658 bp fragment of COI was amplified from 145 adult horse flies belonging to 48 morphologically distinct species and sequenced. Sequence analysis revealed an intraspecific divergence of 0.0%-4.4% and an interspecific divergence of 0.0%-16.2%. Our results showed that COI barcodes were effective in discriminating a majority of horse flies in Thailand on the basis of the barcoding gap and phylogenetic analyses. However, COI barcodes were unable to distinguish among members of the Tabanus striatus complex and some species within the T. ceylonicus group.
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Wang JD, Wang WZ, Lin ZL, Ali A, Fu HY, Huang MT, Gao SJ, Wang R. DNA Barcoding for Identification of Sugarcane Borers in China. NEOTROPICAL ENTOMOLOGY 2018; 47:362-368. [PMID: 28965311 DOI: 10.1007/s13744-017-0560-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Accepted: 09/03/2017] [Indexed: 06/07/2023]
Abstract
Sugarcane borers are economically damaging insects with species that vary in distribution patterns both geographically and temporally, and vary based on ecological niche. Currently, identification of sugarcane borers is mostly based on morphological characters. However, morphological identification requires taxonomic expertise. An alternative method to identify sugarcane borers is the use of molecular data. DNA barcoding based on partial cytochrome c oxidase subunit 1 (COI) sequences has proven to be a useful tool for rapid and accurate species determination in many insect taxa. This study was conducted to test the effectiveness of DNA barcodes to discriminate among sugarcane borer species in China. Partial sequences of the COI gene (709 bp) were obtained from six species collected from different geographic areas. Results showed that the pairwise intraspecies genetic distance was < 0.02, whereas the interspecies genetic distance ranged from 0.117 to 0.182. Results from a neighbor-joining tree showed that the six sugarcane borer species were certainly separated. These results suggested that the partial COI sequences had high barcoding resolution in discriminating among sugarcane borer species. Our study emphasized the use of DNA barcodes for identification of the analyzed sugarcane borer species and represents an important step for building a comprehensive barcode library for sugarcane borers in China.
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Affiliation(s)
- J- D Wang
- National Engineering Research Center for Sugarcane, Fujian Agricultural and Forestry Univ, Fuzhou, Fujian, 350002, China.
| | - W- Z Wang
- National Engineering Research Center for Sugarcane, Fujian Agricultural and Forestry Univ, Fuzhou, Fujian, 350002, China
| | - Z- L Lin
- National Engineering Research Center for Sugarcane, Fujian Agricultural and Forestry Univ, Fuzhou, Fujian, 350002, China
| | - A Ali
- National Engineering Research Center for Sugarcane, Fujian Agricultural and Forestry Univ, Fuzhou, Fujian, 350002, China
| | - H- Y Fu
- National Engineering Research Center for Sugarcane, Fujian Agricultural and Forestry Univ, Fuzhou, Fujian, 350002, China
| | - M- T Huang
- National Engineering Research Center for Sugarcane, Fujian Agricultural and Forestry Univ, Fuzhou, Fujian, 350002, China
| | - S- J Gao
- National Engineering Research Center for Sugarcane, Fujian Agricultural and Forestry Univ, Fuzhou, Fujian, 350002, China
| | - R Wang
- College of Forestry, Fujian Agricultural and Forestry Univ, Fuzhou, Fujian, 350002, China.
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González C, León C, Paz A, López M, Molina G, Toro D, Ortiz M, Cordovez JM, Atencia MC, Aguilera G, Tovar C. Diversity patterns, Leishmania DNA detection, and bloodmeal identification of Phlebotominae sand flies in villages in northern Colombia. PLoS One 2018; 13:e0190686. [PMID: 29320544 PMCID: PMC5761875 DOI: 10.1371/journal.pone.0190686] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Accepted: 12/19/2017] [Indexed: 11/24/2022] Open
Abstract
Leishmaniases are neglected tropical diseases exhibiting complex transmission cycles due to the number of parasite species circulating, sand fly species acting as vectors and infected mammals, including humans, which are defined in the New World as accidental hosts. However, current transmission scenarios are changing, and the disease is no longer exclusively related to forested areas but urban transmission foci occur, involving some species of domestic animals as suspected reservoirs. The aim of this study was to determine the transmission cycles in urban environments by evaluating sand fly diversity, detection of Leishmania DNA, and bloodmeal sources through intra and peridomestic collections. The study was carried out in Colombia, in 13 municipalities of Cordoba department, implementing a methodology that could be further used for the evaluation of vector-borne diseases in villages or towns. Our sampling design included 24 houses randomly selected in each of 15 villages distributed in 13 municipalities, which were sampled in two seasons in 2015 and 2016. Sand flies were collected using CDC light traps placed in intra and peridomestic habitats. In addition to the morphological identification, molecular identification through DNA barcodes was also performed. A total of 19,743 sand flies were collected and 13,848 of them (10,268 females and 3,580 males) were used in molecular procedures. Circulation of two known parasite species–Leishmania infantum and Leishmania panamensis was confirmed. Blood source analyses showed that sand flies fed on humans, particularly in the case of the known L. infantum vector, P. evansi; further analyses are advised to evaluate the reservoirs involved in parasite transmission. Our sampling design allowed us to evaluate potential transmission cycles on a department scale, by defining suspected vector species, parasite species present in different municipalities and feeding habits.
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Affiliation(s)
- Camila González
- Centro de Investigaciones en Microbiología y Parasitología Tropical, CIMPAT, Departamento de Ciencias Biológicas, Universidad de los Andes, Bogotá, Colombia
- * E-mail:
| | - Cielo León
- Centro de Investigaciones en Microbiología y Parasitología Tropical, CIMPAT, Departamento de Ciencias Biológicas, Universidad de los Andes, Bogotá, Colombia
| | - Andrea Paz
- Centro de Investigaciones en Microbiología y Parasitología Tropical, CIMPAT, Departamento de Ciencias Biológicas, Universidad de los Andes, Bogotá, Colombia
| | - Marla López
- Centro de Investigaciones en Microbiología y Parasitología Tropical, CIMPAT, Departamento de Ciencias Biológicas, Universidad de los Andes, Bogotá, Colombia
| | - Gisell Molina
- Centro de Investigaciones en Microbiología y Parasitología Tropical, CIMPAT, Departamento de Ciencias Biológicas, Universidad de los Andes, Bogotá, Colombia
| | - Diana Toro
- Centro de Investigaciones en Microbiología y Parasitología Tropical, CIMPAT, Departamento de Ciencias Biológicas, Universidad de los Andes, Bogotá, Colombia
| | - Mario Ortiz
- Centro de Investigaciones en Microbiología y Parasitología Tropical, CIMPAT, Departamento de Ciencias Biológicas, Universidad de los Andes, Bogotá, Colombia
| | - Juan Manuel Cordovez
- Grupo de Biologia Matematica, BIOMAC, Departamento de Ingenieria Biomedica. Facultad de Ingenieria, Universidad de Los Andes, Bogotá, Colombia
| | | | - Germán Aguilera
- Centro de Investigaciones en Microbiología y Parasitología Tropical, CIMPAT, Departamento de Ciencias Biológicas, Universidad de los Andes, Bogotá, Colombia
| | - Catalina Tovar
- Grupo de Enfermedades Tropicales y Resistencia Bacteriana, Facultad de Ciencias de la Salud. Universidad del Sinú, Montería, Córdoba, Colombia
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Mejía Á, Matamoros G, Fontecha G, Sosa-Ochoa W. Bionomic aspects of Lutzomyia evansi and Lutzomyia longipalpis, proven vectors of Leishmania infantum in an endemic area of non-ulcerative cutaneous leishmaniasis in Honduras. Parasit Vectors 2018; 11:15. [PMID: 29304878 PMCID: PMC5756426 DOI: 10.1186/s13071-017-2605-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Accepted: 12/25/2017] [Indexed: 11/10/2022] Open
Abstract
Background Some Lutzomyia species are the vectors of human leishmaniasis in the Americas. Visceral and cutaneous leishmaniasis are both endemic in the Pacific region of Honduras, but the non-ulcerative form is the more frequent clinical manifestation in this region, where Lutzomyia longipalpis is the most abundant and the only incriminated vector. Taxonomic identification and distribution studies of sand flies are important to understand the epidemiology and to control these neglected tropical diseases. Results Here, we identified more than 13,000 Lutzomyia specimens captured in Isla del Tigre, Honduras, through a classical morphological approach. The two most common species were Lutzomyia evansi and Lu. longipalpis, and this is the first report of three Lutzomyia species on this island. The blood meal source was successfully identified for five sand fly species. A barcode analysis using the cox1 mitochondrial marker proved to be effective in discriminating between species and seems to be a valuable tool for future epidemiological studies including a wider geographical area. Conclusion This study updates the diversity and blood meal sources of Lutzomyia species in an island endemic for non-ulcerative cutaneous leishmaniasis in the Pacific region of Honduras, and determines the effectiveness of the barcoding approach to discriminate species, as a complementary tool to classical morphology.
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Affiliation(s)
- Ángel Mejía
- Microbiology School, Universidad Nacional Autónoma de Honduras, Tegucigalpa, Honduras
| | - Gabriela Matamoros
- Microbiology School, Universidad Nacional Autónoma de Honduras, Tegucigalpa, Honduras
| | - Gustavo Fontecha
- Microbiology Research Institute, Universidad Nacional Autónoma de Honduras, Tegucigalpa, Honduras.
| | - Wilfredo Sosa-Ochoa
- Microbiology Research Institute, Universidad Nacional Autónoma de Honduras, Tegucigalpa, Honduras
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Species of sand flies (Diptera: Psychodidae) collected from natural reserves in the Pacific and Darien regions of Colombia. BIOMEDICA 2017; 37:215-223. [PMID: 29161494 DOI: 10.7705/biomedica.v37i0.3382] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2016] [Indexed: 11/21/2022]
Abstract
INTRODUCTION The departments of Chocó and Antioquia in Colombia show climatic and vegetation conditions favoring the establishment of vector species of the genus Lutzomyia and the transmission of Leishmania spp. to human populations entering conserved forest environments. OBJECTIVE To report the species of Phlebotomine sandflies present in three natural reserves in the Darien and Pacific regions of Colombia. MATERIALS AND METHODS Sand flies were collected specifically in the natural reserves El Aguacate (Acandí, Chocó), Nabugá (Bahía Solano, Chocó) and Tulenapa (Carepa, Antioquia). Sand flies were collected with CDC light traps, active search in resting places and Shannon traps. The taxonomic determination of species was based on taxonomic keys. For some species of taxonomic interest, we evaluated the partial sequences of the 5' region of COI gene. RESULTS A total of 611 adult sand flies were collected: 531 in Acandí, 45 in Carepa and 35 in Bahía Solano. Seventeen species of the genus Lutzomyia, three of the genus Brumptomyia and one of the genus Warileya were identified. The genetic distances (K2P) and grouping supported (>99%) in the neighbor joining dendrogram were consistent for most established molecular operational taxonomic units (MOTU) of the Aragaoi group and clearly confirmed the identity of Lu. coutinhoi. CONCLUSION Species that have importance in the transmission of leishmaniasis in Acandí, Bahía Solano and Carepa were identified. The presence of Lu. coutinhoi was confirmed and consolidated in Colombia.
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Araki AS, Maia DA, Gil-Santana HR, de Mello CF, Martins ADJ, Alencar J. Variation in Mitochondrial Cytochrome c Oxidase I DNA Can Successfully Identify Culex (Melanoconion) pedroi (Diptera: Culicidae) and Culex (Melanoconion) ribeirensis (Diptera: Culicidae). JOURNAL OF MEDICAL ENTOMOLOGY 2017; 54:485-488. [PMID: 28011729 DOI: 10.1093/jme/tjw197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2016] [Accepted: 10/24/2016] [Indexed: 06/06/2023]
Abstract
Culex (Melanoconion) pedroiSirivanakarn & Belkin 1980 and Culex (Melanoconion) ribeirensisForattini & Sallum 1985 are two morphologically very similar species of the Pedroi subgroup of mosquitoes in the Spissipes section of the subgenus Melanoconion of the genus Culex L. 1758. We carried out an analysis of the mitochondrial cytochrome c oxidase I (COI) DNA variation between these two species. The recent observation of sympatric coexistence in a forested area of Rio de Janeiro State (Brazil) triggered the need to validate these two species previously identified based on morphology. We concluded that the COI is a useful tool for identification of Cx. pedroi and Cx. ribeirensis.
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Affiliation(s)
- A S Araki
- Laboratório de Biologia Molecular de Insetos, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro, Brazil
| | - D A Maia
- Laboratório de Diptera, Instituto Oswaldo Cruz, Av. Brasil, 4365, Rio de Janeiro, RJ, 21040-360, Brazil (; ; ; )
| | - H R Gil-Santana
- Laboratório de Diptera, Instituto Oswaldo Cruz, Av. Brasil, 4365, Rio de Janeiro, RJ, 21040-360, Brazil (; ; ; )
| | - C F de Mello
- Laboratório de Diptera, Instituto Oswaldo Cruz, Av. Brasil, 4365, Rio de Janeiro, RJ, 21040-360, Brazil (; ; ; )
- Programa de Pós-graduação em Biologia Animal, Universidade Federal Rural do Rio de Janeiro, Brazil
| | - A de J Martins
- Laboratório de Fisiologia e Controle de Artrópodes Vetores, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro, Brazil
| | - J Alencar
- Laboratório de Diptera, Instituto Oswaldo Cruz, Av. Brasil, 4365, Rio de Janeiro, RJ, 21040-360, Brazil (; ; ; )
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Phylogeography of the Asian rice gall midge Orseolia oryzae (Wood Mason) (Diptera: Cecidomyiidae) in Thailand. Genetica 2017; 145:37-49. [PMID: 28070758 DOI: 10.1007/s10709-016-9944-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2016] [Accepted: 12/19/2016] [Indexed: 10/20/2022]
Abstract
The Asian rice gall midge (RGM) Orseolia oryzae (Wood Mason) (Diptera: Cecidomyiidae) is a major pest of rice, leading to yield losses in Thailand and many Asian countries. Despite an increasing number of reported midge outbreaks and the presence of many susceptible rice varieties, only a few studies have focused on the genetic variation of the midges. Therefore, we analyzed the phylogeography among Thai RGM populations covering north, northeast and central Thailand. Two mitochondrial DNA genes, cytochrome C oxidase I (COI) and 12S, and a non-coding repeat region (RR) situated just before COI were amplified. Overall, the haplotype diversity for COI and 12S genes of the Thai population was high, but the nucleotide diversity was quite low. Altogether, the phylogenetic tree and pairwise F st values indicated that Thai RGM populations recently expanded and were homogeneously distributed throughout the country, except for some populations in the north, which most likely became recently isolated from the main population. Two non-coding repeat motifs, that were recently observed in the mitogenome of RGM in India, were absent in Thai populations and replaced by an 89 bp non-coding sequence. Tandem nucleotide repeats of the sequence TA were also observed. The repeat copy number varied from 2 to 11 and was not correlated with geographical repartition of the midge. Finally, COI barcoding divergence between Indian and Thai populations was high (6.3% in average), giving insights into the potential existence of an RGM species complex in Asia.
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Godoy RE, Galati EAB. Revalidation of Nyssomyia fraihai (Martins, Falcão & Silva 1979) (Diptera: Psychodidae). JOURNAL OF MEDICAL ENTOMOLOGY 2016; 53:1303-1311. [PMID: 27838613 DOI: 10.1093/jme/tjw108] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2016] [Accepted: 05/30/2016] [Indexed: 06/06/2023]
Abstract
Lutzomyia fraihai (Martins, Falcão & Silva 1979), described from Três Braços municipality (Bahia state, Brazil), is closely related to Nyssomyia yuilli yuilli (Young & Porter, 1972), described from Rio Anori, Antioquia, Colombia. The former species, despite the morphological differences reported by its authors, was included as a junior synonym of Ny. yuilli yuilli, and this status has been accepted by sand fly-taxonomists. However, we had an opportunity to examine both taxa, and a clear difference was noted in their male genitalia. In this study, the morphometric/morphologic characters of specimens that had been identified as Ny. yuilli yuilli from different localities (Brazil, Peru, Colombia, Bolivia) and type material of both Ny. yuilli yuilli and Lu. fraihai were analyzed. The results revealed that males from Brazil (Bahia, Acre, Pará, and Rondônia states) and Peru present statistically significant differences in the ratio between paramere rectangular and digitiform areas as well as for the cercus length and width of the aedeagal ducts tips, when compared with the type specimens of Ny. yuilli yuilli, but are statistically similar to those characters of Lu. fraihai However, females of the two species are indistinguishable. Thus, based on the male morphology, Ny. fraihai STAT REV N COM: was resurrected from the synonymy of Ny. yuilli yuilli. The specimens from the Atlantic forest biome and the Amazon biome in Brazil, Peru, and Bolivia in fact belong to Ny. fraihai This species presents a cis-Andean distribution, while Ny. yuilli yuilli has been found in both Andean and Trans-Andean areas.
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Affiliation(s)
- R E Godoy
- Departamento de Epidemiologia, Faculdade de Saúde Pública, Universidade de São Paulo, São Paulo, SP, Brasil 01246-904 (; )
- Laboratório Interdisciplinar de Vigilância Entomológica em Diptera e Hemiptera, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro, Brasil 21040-360, and
| | - E A B Galati
- Departamento de Epidemiologia, Faculdade de Saúde Pública, Universidade de São Paulo, São Paulo, SP, Brasil 01246-904 (; )
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Sukantamala J, Sing KW, Jaturas N, Polseela R, Wilson JJ. Unexpected diversity of sandflies (Diptera: Psychodidae) in tourist caves in Northern Thailand. Mitochondrial DNA A DNA Mapp Seq Anal 2016; 28:949-955. [PMID: 27759464 DOI: 10.1080/24701394.2016.1214728] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Certain species of Phlebotomine sandflies (Diptera: Psychodidae) are vectors of the protozoa which causes leishmaniasis. Sandflies are found breeding in enclosed places like caves. Thailand is a popular tourist destination, including for ecotourism activities like caving, which increases the risk of contact between tourists and sandflies. Surveillance of sandflies is important for monitoring this risk but identification of species based on morphology is challenged by phenotypic plasticity and cryptic diversity. DNA barcodes have been used for the identification of sandflies in Thailand. We collected sandflies using CDC light trap from four tourist caves in Northern Thailand. Female sandflies were provisionally sorted into 13 morphospecies and 19 unidentified specimens. DNA was extracted from the thorax and legs of sandflies and the DNA barcode region of cytochrome c oxidase I mtDNA amplified and sequenced. The specimens were sorted into 22 molecular operational taxonomic units (MOTU) based on the 145 DNA barcodes, which is significantly more than the morphospecies. Several of the taxa thought to be present in multiple caves, based on morphospecies sorting, split into cave-specific MOTU which likely represent cryptic species. Several MOTU reported in an earlier study from Wihan Cave, Thailand, were also found in these caves. This supports the use of DNA barcodes to investigate species diversity of sandflies and their useful role in surveillance of sandflies in Thailand.
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Affiliation(s)
- Jedsada Sukantamala
- a Department of Microbiology and Parasitology, Faculty of Medical Science , Naresuan University , Phitsanulok , Thailand.,b Museum of Zoology, Institute of Biological Sciences, Faculty of Science, University of Malaya , Kuala Lumpur , Malaysia
| | - Kong-Wah Sing
- b Museum of Zoology, Institute of Biological Sciences, Faculty of Science, University of Malaya , Kuala Lumpur , Malaysia.,c Ecology and Biodiversity Program, Institute of Biological Sciences, Faculty of Science, University of Malaya , Kuala Lumpur , Malaysia
| | - Narong Jaturas
- a Department of Microbiology and Parasitology, Faculty of Medical Science , Naresuan University , Phitsanulok , Thailand.,d Faculty of Medical Science, Centre of Excellence in Medical Biotechnology, Naresuan University , Phitsanulok , Thailand
| | - Raxsina Polseela
- a Department of Microbiology and Parasitology, Faculty of Medical Science , Naresuan University , Phitsanulok , Thailand.,d Faculty of Medical Science, Centre of Excellence in Medical Biotechnology, Naresuan University , Phitsanulok , Thailand
| | - John-James Wilson
- b Museum of Zoology, Institute of Biological Sciences, Faculty of Science, University of Malaya , Kuala Lumpur , Malaysia.,c Ecology and Biodiversity Program, Institute of Biological Sciences, Faculty of Science, University of Malaya , Kuala Lumpur , Malaysia
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Vivero RJ, Jaramillo NG, Cadavid-Restrepo G, Soto SIU, Herrera CXM. Structural differences in gut bacteria communities in developmental stages of natural populations of Lutzomyia evansi from Colombia's Caribbean coast. Parasit Vectors 2016; 9:496. [PMID: 27618991 PMCID: PMC5020466 DOI: 10.1186/s13071-016-1766-0] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2016] [Accepted: 08/19/2016] [Indexed: 11/13/2022] Open
Abstract
Background Lutzomyia evansi, a phlebotomine insect endemic to Colombia’s Caribbean coast, is considered to be the main vector of visceral and cutaneous leishmaniasis in the region. Although insects of this species can harbor pathogenic and non-pathogenic microorganisms in their intestinal microbiota, there is little information available about the diversity of gut bacteria present in Lutzomyia evansi. In this study, conventional microbiological methods and molecular tools were used to assess the composition of bacterial communities associated with Lutzomyia evansi guts in immature and adult stages of natural populations from the department of Sucre (Caribbean coast of Colombia). Methods Sand flies were collected from two locations (peri-urban and jungle biotype) in the Department of Sucre (Caribbean coast of Colombia). A total of 752 Lutzomyia evansi intestines were dissected. In this study, 125 bacterial strains were isolated from different culture media (LB Agar, MacConkey Agar). Different methods were used for bacterial identification, including ribosomal intergenic spacer analysis (RISA) and analysis of the 16S rRNA and gyrB gene sequences. The genetic profiles of the bacterial populations were generated and temporal temperature gradient gel electrophoresis (TTGE) was used to compare them with total gut DNA. We also used PCR and DNA sequence analysis to determine the presence of Wolbachia endosymbiont bacteria and Leishmania parasites. Results The culture-dependent technique showed that the dominant intestinal bacteria isolated belong to Acinetobacter, Enterobacter, Pseudomonas, Ochrobactrum, Shinella and Paenibacillus in the larval stage; Lysobacter, Microbacterium, Streptomyces, Bacillus and Rummeliibacillus in the pupal stage; and Staphylococcus, Streptomyces, Brevibacterium, Acinetobacter, Enterobacter and Pantoea in the adult stage. Statistical analysis revealed significant differences between the fingerprint patterns of the PCR-TTGE bands in bacterial communities from immature and adult stages. Additionally, differences were found in bacterial community structure in fed females, unfed females, males and larvae. The intestinal bacteria detected by PCR-TTGE were Enterobacter cloacae and Bacillus thuringiensis, which were present in different life stages of Lu. evansi, and Burkholderia cenocepacia and Bacillus gibsonii, which were detected only in the larval stage. Wolbachia and Leishmania were not detected in gut samples of Lutzomyia evansi. Conclusions The analyses conducted using microbiological and molecular approaches indicated significant variations in the bacterial communities associated with the gut of Lu. evansi, depending on the developmental stage and food source. We propose that these elements affect microbial diversity in L. evansi guts and may in turn influence pathogen transmission to humans bitten by this insect.
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Affiliation(s)
- Rafael José Vivero
- Grupo de Investigación en Sistemática Molecular, Universidad Nacional de Colombia, Street 59 A # 63-20, Medellín, Postal Code 050003, Colombia. .,PECET (Programa de Estudio y Control de Enfermedades Tropicales), Universidad de Antioquia, Street 62 # 52-59, SIU-Sede de Investigación Universitaria, Laboratory 632, Medellín, Postal Code 050003, Colombia. .,Grupo de Microbiodiversidad y Bioprospección, Laboratorio de Biología Celular y Molecular, Universidad Nacional de Colombia sede Medellín, Street 59 A # 63-20, Medellín, Postal Code 050003, Colombia.
| | - Natalia Gil Jaramillo
- Grupo de Microbiodiversidad y Bioprospección, Laboratorio de Biología Celular y Molecular, Universidad Nacional de Colombia sede Medellín, Street 59 A # 63-20, Medellín, Postal Code 050003, Colombia
| | - Gloria Cadavid-Restrepo
- Grupo de Microbiodiversidad y Bioprospección, Laboratorio de Biología Celular y Molecular, Universidad Nacional de Colombia sede Medellín, Street 59 A # 63-20, Medellín, Postal Code 050003, Colombia
| | - Sandra I Uribe Soto
- Grupo de Investigación en Sistemática Molecular, Universidad Nacional de Colombia, Street 59 A # 63-20, Medellín, Postal Code 050003, Colombia.,PECET (Programa de Estudio y Control de Enfermedades Tropicales), Universidad de Antioquia, Street 62 # 52-59, SIU-Sede de Investigación Universitaria, Laboratory 632, Medellín, Postal Code 050003, Colombia
| | - Claudia Ximena Moreno Herrera
- Grupo de Microbiodiversidad y Bioprospección, Laboratorio de Biología Celular y Molecular, Universidad Nacional de Colombia sede Medellín, Street 59 A # 63-20, Medellín, Postal Code 050003, Colombia
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Gajapathy K, Tharmasegaram T, Eswaramohan T, Peries LB, Jayanetti R, Surendran SN. DNA barcoding of Sri Lankan phlebotomine sand flies using cytochrome c oxidase subunit I reveals the presence of cryptic species. Acta Trop 2016; 161:1-7. [PMID: 27180216 DOI: 10.1016/j.actatropica.2016.05.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2015] [Revised: 04/07/2016] [Accepted: 05/05/2016] [Indexed: 11/26/2022]
Abstract
Sri Lanka is known for high diversity of phlebotomine sand flies and prevalence of cutaneous and visceral leishmaniasis; a disease vectored by sand flies. The taxonomy of phlebotomine sand flies is complicated and often the diversity is over/underrated. The current study aims to use the cytochrome c oxidase gene subunit 1 (COI) sequence and formulate a barcode for the sand fly species in Sri Lanka. A total of 70 samples comprising seven species morphologically identified and collected from dry zone districts of Hambantota, Anuradhapura, Vavuniya, Trincomalee and Jaffna were processed. Neighbour-joining (NJ) tree created using the sequences revealed the species identity is compatible with the current morphology based identification. Further the analysis delineated morphologically identified Se. bailyi, Se babu babu and Se babu insularis into genetically distinct groups.
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Kocher A, Gantier JC, Gaborit P, Zinger L, Holota H, Valiere S, Dusfour I, Girod R, Bañuls AL, Murienne J. Vector soup: high-throughput identification of Neotropical phlebotomine sand flies using metabarcoding. Mol Ecol Resour 2016; 17:172-182. [PMID: 27292284 DOI: 10.1111/1755-0998.12556] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2016] [Revised: 05/31/2016] [Accepted: 05/31/2016] [Indexed: 11/26/2022]
Abstract
Phlebotomine sand flies are haematophagous dipterans of primary medical importance. They represent the only proven vectors of leishmaniasis worldwide and are involved in the transmission of various other pathogens. Studying the ecology of sand flies is crucial to understand the epidemiology of leishmaniasis and further control this disease. A major limitation in this regard is that traditional morphological-based methods for sand fly species identifications are time-consuming and require taxonomic expertise. DNA metabarcoding holds great promise in overcoming this issue by allowing the identification of multiple species from a single bulk sample. Here, we assessed the reliability of a short insect metabarcode located in the mitochondrial 16S rRNA for the identification of Neotropical sand flies, and constructed a reference database for 40 species found in French Guiana. Then, we conducted a metabarcoding experiment on sand flies mixtures of known content and showed that the method allows an accurate identification of specimens in pools. Finally, we applied metabarcoding to field samples caught in a 1-ha forest plot in French Guiana. Besides providing reliable molecular data for species-level assignations of phlebotomine sand flies, our study proves the efficiency of metabarcoding based on the mitochondrial 16S rRNA for studying sand fly diversity from bulk samples. The application of this high-throughput identification procedure to field samples can provide great opportunities for vector monitoring and eco-epidemiological studies.
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Affiliation(s)
- Arthur Kocher
- CNRS, Université Toulouse III Paul Sabatier, ENFA, UMR5174 EDB (Laboratoire Evolution et Diversité Biologique), Toulouse, France.,UMR MIVEGEC (IRD 224 - CNRS 5290 - Université de Montpellier), 911 Avenue Agropolis, F34394, Montpellier, France
| | - Jean-Charles Gantier
- Laboratoire des Identifications Fongiques et Entomo-parasitologiques, Mennecy, France
| | - Pascal Gaborit
- Medical Entomology Unit, Institut Pasteur de la Guyane, 23 Avenue Pasteur, BP 6010, 97306, Cayenne Cedex, French Guiana
| | - Lucie Zinger
- CNRS, Université Toulouse III Paul Sabatier, ENFA, UMR5174 EDB (Laboratoire Evolution et Diversité Biologique), Toulouse, France
| | - Helene Holota
- CNRS, Université Toulouse III Paul Sabatier, ENFA, UMR5174 EDB (Laboratoire Evolution et Diversité Biologique), Toulouse, France
| | - Sophie Valiere
- GeT-PlaGe, Genotoul, INRA Auzeville, 31326, Castanet-Tolosan, France
| | - Isabelle Dusfour
- Medical Entomology Unit, Institut Pasteur de la Guyane, 23 Avenue Pasteur, BP 6010, 97306, Cayenne Cedex, French Guiana
| | - Romain Girod
- Medical Entomology Unit, Institut Pasteur de la Guyane, 23 Avenue Pasteur, BP 6010, 97306, Cayenne Cedex, French Guiana
| | - Anne-Laure Bañuls
- UMR MIVEGEC (IRD 224 - CNRS 5290 - Université de Montpellier), 911 Avenue Agropolis, F34394, Montpellier, France
| | - Jerome Murienne
- CNRS, Université Toulouse III Paul Sabatier, ENFA, UMR5174 EDB (Laboratoire Evolution et Diversité Biologique), Toulouse, France
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Romero-Ricardo L, Lastre-Meza N, Pérez-Doria A, Bejarano EE. DNA barcoding to identify species of phlebotomine sand fly (Diptera: Psychodidae) in the mixed leishmaniasis focus of the Colombian Caribbean. Acta Trop 2016; 159:125-31. [PMID: 26992298 DOI: 10.1016/j.actatropica.2016.03.017] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2015] [Revised: 01/25/2016] [Accepted: 03/14/2016] [Indexed: 01/08/2023]
Abstract
Identification of the species of phlebotomine sand flies present in each focus of leishmaniasis is necessary to incriminate vectors and implement vector control strategies. Although the cytochrome oxidase I (COI) gene has been proposed as a barcode for the identification of animal species, less than 20% of New World phlebotomines have been characterized to date. In this study DNA barcoding was used to identify phlebotomine species of the mixed leishmaniasis focus in the Colombian Caribbean by means of three evolutionary models: Kimura's two parameter (K2P) nucleotide substitution model, that of (Tamura and Nei, 1993) (TN93) and proportional sequence divergence (p-distances). A 681bp sequence of the COI gene was obtained from 66 individuals belonging to 19 species of the genus Lutzomyia (Lu. abonnenci, Lu. atroclavata, Lu. bicolor, Lu. carpenteri, Lu. cayennensis cayennensis, Lu. dubitans, Lu. evansi, Lu. gomezi, Lu. gorbitzi, Lu. longipalpis, Lu. micropyga, Lu. migonei, Lu. panamensis, Lu. (Psathyromyia) sp., Lu. rangeliana, Lu. serrana, Lu. shannoni, Lu. trinidadensis and Lu. venezuelensis) and one of Brumptomyia (B. mesai). The genetic divergence values for TN93 among individuals of the same species fluctuated up to 3.2% (vs. 2.9% for K2P and 2.8% for p-distances), while the values between species ranged from 8.8-43.7% (vs. 6.8-19.6% for K2P and 6.6-17.4% for p-distances). A dendrogram constructed by means of the Neighbor-Joining method grouped phlebotomines into 20 clusters according to species, with bootstrap values of up to 100% in those with more than one individual. However, loss of the phylogenetic signal of the gene COI was observed at the supraspecific level as a consequence of substitutional saturation. In conclusion, irrespective of the evolutionary model selected, all phlebotomines were correctly assigned to species, showing 100% concordance with morphological identification.
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Lafri I, Almeras L, Bitam I, Caputo A, Yssouf A, Forestier CL, Izri A, Raoult D, Parola P. Identification of Algerian Field-Caught Phlebotomine Sand Fly Vectors by MALDI-TOF MS. PLoS Negl Trop Dis 2016; 10:e0004351. [PMID: 26771833 PMCID: PMC4714931 DOI: 10.1371/journal.pntd.0004351] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Accepted: 12/11/2015] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Phlebotomine sand flies are known to transmit Leishmania parasites, bacteria and viruses that affect humans and animals in many countries worldwide. Precise sand fly identification is essential to prevent phlebotomine-borne diseases. Over the past two decades, progress in matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) has emerged as an accurate tool for arthropod identification. The objective of the present study was to investigate the usefulness of MALDI-TOF MS as a tool for identifying field-caught phlebotomine. METHODOLOGY/PRINCIPAL FINDINGS Sand flies were captured in four sites in north Algeria. A subset was morphologically and genetically identified. Six species were found in these areas and a total of 28 stored frozen specimens were used for the creation of the reference spectrum database. The relevance of this original method for sand fly identification was validated by two successive blind tests including the morphological identification of 80 new specimens which were stored at -80°C, and 292 unknown specimens, including engorged specimens, which were preserved under different conditions. Intra-species reproducibility and inter-species specificity of the protein profiles were obtained, allowing us to distinguish specimens at the gender level. Querying of the sand fly database using the MS spectra from the blind test groups revealed concordant results between morphological and MALDI-TOF MS identification. However, MS identification results were less efficient for specimens which were engorged or stored in alcohol. Identification of 362 phlebotomine sand flies, captured at four Algerian sites, by MALDI-TOF MS, revealed that the subgenus Larroussius was predominant at all the study sites, except for in M'sila where P. (Phlebotomus) papatasi was the only sand fly species detected. CONCLUSION The present study highlights the application of MALDI-TOF MS for monitoring sand fly fauna captured in the field. The low cost, reliability and rapidity of MALDI-TOF MS analyses opens up new ways in the management of phlebotomine sand fly-borne diseases.
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Affiliation(s)
- Ismail Lafri
- Aix Marseille Université, URMITE, UM63, CNRS 7278, IRD 198, Inserm 1095, Marseille, France
- Ecole Nationale Supérieure Vétérinaire d’Alger, Alger, Algérie
- Institut des Sciences Vétérinaires, Université Blida 1, Blida, Algérie
| | - Lionel Almeras
- Aix Marseille Université, URMITE, UM63, CNRS 7278, IRD 198, Inserm 1095, Marseille, France
| | - Idir Bitam
- Aix Marseille Université, URMITE, UM63, CNRS 7278, IRD 198, Inserm 1095, Marseille, France
- Ecole Nationale Supérieure Vétérinaire d’Alger, Alger, Algérie
- Université de Bab Ezzouar, Laboratoire d’Ecologie et Environnement, Bab Ezzouar, Algérie
| | - Aurelia Caputo
- Aix Marseille Université, URMITE, UM63, CNRS 7278, IRD 198, Inserm 1095, Marseille, France
| | - Amina Yssouf
- Aix Marseille Université, URMITE, UM63, CNRS 7278, IRD 198, Inserm 1095, Marseille, France
| | - Claire-Lise Forestier
- Aix Marseille Université, URMITE, UM63, CNRS 7278, IRD 198, Inserm 1095, Marseille, France
| | - Arezki Izri
- Parasitologie-Mycologie, CHU Avicenne, Université Paris 13, Bobigny, France
| | - Didier Raoult
- Aix Marseille Université, URMITE, UM63, CNRS 7278, IRD 198, Inserm 1095, Marseille, France
| | - Philippe Parola
- Aix Marseille Université, URMITE, UM63, CNRS 7278, IRD 198, Inserm 1095, Marseille, France
- * E-mail:
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Argüello Caro EB, Dumón AD, Mattio MF, Alemandri V, Truol G. A molecular framework for the identification of planthopper vectors (Hemiptera: Delphacidae) of central Argentina. BULLETIN OF ENTOMOLOGICAL RESEARCH 2015; 105:754-762. [PMID: 26353811 DOI: 10.1017/s0007485315000735] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Planthoppers are important worldwide crop pests as well as vectors of numerous diseases. Different species transmit Mal de Río Cuarto virus, which causes the most economically important corn disease in central Argentina. Epidemiological studies rely on the accurate identification of the species present in the field. Presently, morphological identification of planthoppers requires taxonomic expertise and there are no taxonomic keys for females and nymphs. Nevertheless, no molecular protocols are available for accurate species identification of most frequent delphacid species from central Argentina. In this context, the aim of this study was to evaluate the utility of the cytochrome oxidase I gene (COI) as a DNA barcode and its digestion with restriction enzymes (Restriction Fragment Length Polymorphism, RFLP) for the identification of the most common species of planthoppers in central Argentina. We amplified and sequenced a 843 bp fragment of the COI gene of taxonomically identified specimens and evaluated its use as a DNA barcode. Restriction enzymes were also selected for digesting the COI fragment via RFLP. The high interspecific variability (20.79%; ± 2.32%) and low intraspecific divergence (0.12%; ± 0.17%) observed in the studied species, demonstrate the effectiveness of the COI gene for species identification of major vector delphacids affecting corn crops in Argentina. Moreover, the digestion of this COI gene fragment with Bfa I and Apo I enzymes allows a fast and cost-effective species identification method when numerous specimens need to be processed. Both molecular techniques developed here, allow the accurate identification of planthopper species at regional scale. These new tools would assist traditional identification of these insects, especially for aiding non-experts in morphological taxonomy.
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Affiliation(s)
- E B Argüello Caro
- Instituto de Patología Vegetal - Centro de Investigaciones Agropecuarias - Instituto Nacional de Tecnología Agropecuaria (IPAVE-CIAP-INTA).Av. 11 de Septiembre 4755,B° Cárcano,Ciudad de Córdoba. CP X5020ICA,Córdoba,Argentina
| | - A D Dumón
- Instituto de Patología Vegetal - Centro de Investigaciones Agropecuarias - Instituto Nacional de Tecnología Agropecuaria (IPAVE-CIAP-INTA).Av. 11 de Septiembre 4755,B° Cárcano,Ciudad de Córdoba. CP X5020ICA,Córdoba,Argentina
| | - M F Mattio
- Instituto de Patología Vegetal - Centro de Investigaciones Agropecuarias - Instituto Nacional de Tecnología Agropecuaria (IPAVE-CIAP-INTA).Av. 11 de Septiembre 4755,B° Cárcano,Ciudad de Córdoba. CP X5020ICA,Córdoba,Argentina
| | - V Alemandri
- Instituto de Patología Vegetal - Centro de Investigaciones Agropecuarias - Instituto Nacional de Tecnología Agropecuaria (IPAVE-CIAP-INTA).Av. 11 de Septiembre 4755,B° Cárcano,Ciudad de Córdoba. CP X5020ICA,Córdoba,Argentina
| | - G Truol
- Instituto de Patología Vegetal - Centro de Investigaciones Agropecuarias - Instituto Nacional de Tecnología Agropecuaria (IPAVE-CIAP-INTA).Av. 11 de Septiembre 4755,B° Cárcano,Ciudad de Córdoba. CP X5020ICA,Córdoba,Argentina
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Pinto IDS, Chagas BDD, Rodrigues AAF, Ferreira AL, Rezende HR, Bruno RV, Falqueto A, Andrade-Filho JD, Galati EAB, Shimabukuro PHF, Brazil RP, Peixoto AA. DNA Barcoding of Neotropical Sand Flies (Diptera, Psychodidae, Phlebotominae): Species Identification and Discovery within Brazil. PLoS One 2015; 10:e0140636. [PMID: 26506007 PMCID: PMC4624639 DOI: 10.1371/journal.pone.0140636] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Accepted: 08/19/2015] [Indexed: 11/24/2022] Open
Abstract
DNA barcoding has been an effective tool for species identification in several animal groups. Here, we used DNA barcoding to discriminate between 47 morphologically distinct species of Brazilian sand flies. DNA barcodes correctly identified approximately 90% of the sampled taxa (42 morphologically distinct species) using clustering based on neighbor-joining distance, of which four species showed comparatively higher maximum values of divergence (range 4.23–19.04%), indicating cryptic diversity. The DNA barcodes also corroborated the resurrection of two species within the shannoni complex and provided an efficient tool to differentiate between morphologically indistinguishable females of closely related species. Taken together, our results validate the effectiveness of DNA barcoding for species identification and the discovery of cryptic diversity in sand flies from Brazil.
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Affiliation(s)
- Israel de Souza Pinto
- Lab. de Biologia Molecular de Insetos, Instituto Oswaldo Cruz, FIOCRUZ, Brasil Ave. 4365, 21040360, Rio de Janeiro, RJ, Brazil
- Unidade de Medicina Tropical, UFES, Marechal Campos Ave. 1468, 29043900, Vitória, Espírito Santo, Brazil
- * E-mail:
| | - Bruna Dias das Chagas
- Lab. de Biologia Molecular de Insetos, Instituto Oswaldo Cruz, FIOCRUZ, Brasil Ave. 4365, 21040360, Rio de Janeiro, RJ, Brazil
| | | | - Adelson Luiz Ferreira
- Unidade de Medicina Tropical, UFES, Marechal Campos Ave. 1468, 29043900, Vitória, Espírito Santo, Brazil
| | - Helder Ricas Rezende
- Unidade de Medicina Tropical, UFES, Marechal Campos Ave. 1468, 29043900, Vitória, Espírito Santo, Brazil
| | - Rafaela Vieira Bruno
- Lab. de Biologia Molecular de Insetos, Instituto Oswaldo Cruz, FIOCRUZ, Brasil Ave. 4365, 21040360, Rio de Janeiro, RJ, Brazil
- Instituto Nacional de Ciência e Tecnologia em Entomologia Molecular – INCT-EM/CNPq, Rio de Janeiro, Brazil
| | - Aloisio Falqueto
- Unidade de Medicina Tropical, UFES, Marechal Campos Ave. 1468, 29043900, Vitória, Espírito Santo, Brazil
| | - José Dilermando Andrade-Filho
- Grupo de Estudos em Leishmanioses, Centro de Pesquisas René Rachou, FIOCRUZ, Augusto de Lima Ave. 1715, 30190002, Belo Horizonte, MG, Brazil
| | - Eunice Aparecida Bianchi Galati
- Departamento de Epidemiologia, Faculdade de Saúde Pública, USP, Dr. Arnaldo Cerqueira Cesar Ave. 715, 01246904, São Paulo, SP, Brazil
| | - Paloma Helena Fernandes Shimabukuro
- Grupo de Estudos em Leishmanioses, Centro de Pesquisas René Rachou, FIOCRUZ, Augusto de Lima Ave. 1715, 30190002, Belo Horizonte, MG, Brazil
| | - Reginaldo Peçanha Brazil
- Lab. de Doenças Parasitárias, Instituto Oswaldo Cruz, FIOCRUZ, Brasil Ave. 4365, 21040360, Rio de Janeiro, RJ, Brazil
| | - Alexandre Afranio Peixoto
- Lab. de Biologia Molecular de Insetos, Instituto Oswaldo Cruz, FIOCRUZ, Brasil Ave. 4365, 21040360, Rio de Janeiro, RJ, Brazil
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Banerjee D, Kumar V, Maity A, Ghosh B, Tyagi K, Singha D, Kundu S, Laskar BA, Naskar A, Rath S. Identification through DNA barcoding of Tabanidae (Diptera) vectors of surra disease in India. Acta Trop 2015; 150:52-8. [PMID: 26126785 DOI: 10.1016/j.actatropica.2015.06.023] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2015] [Revised: 04/28/2015] [Accepted: 06/22/2015] [Indexed: 10/23/2022]
Abstract
Horse flies and deer flies are common names applied to members of the family Tabanidae (Diptera). Tabanid flies are pestiferous and of veterinary and medical importance, with about 244 species in India. They are major vectors of Trypanosoma evansi that causes trypanosomiasis (surra disease). Lack of stable morphological characters, and scarcity of taxonomic expertise, is major impediments for accurate species identification of these important pest and disease vectors. Molecular data, especially DNA barcode data, has been widely used in the identification of Diptera of economic importance. We evaluated the utility of DNA barcode data to discriminate the vectors of surra disease (trypanosomiasis) from India. We used barcode gap and reciprocal monophyly (neighbor-joining and Bayesian tree) criteria to analyze barcode data. A total of 46 specimens belonging to 7 species under four genera in two subfamilies were used for this study. DNA barcode data was not available previously for these species. Analysis revealed that all morphologically identifiable species can be discriminated using DNA barcoding data. Further, our study clearly demonstrated the presence of cryptic species in Chrysops dispar. Moreover, we revealed that closely related species without stable taxonomic distinguishing characters in the "Tabanus striatus species complex" can be discriminated using DNA barcode data.
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Polseela R, Jaturas N, Thanwisai A, Sing KW, Wilson JJ. Towards monitoring the sandflies (Diptera: Psychodidae) of Thailand: DNA barcoding the sandflies of Wihan Cave, Uttaradit. Mitochondrial DNA A DNA Mapp Seq Anal 2015; 27:3795-801. [PMID: 26370580 DOI: 10.3109/19401736.2015.1082085] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Sandflies vary in their distributions and role in pathogen transmission. Attempts to record distributions of sandflies in Thailand have faced difficulties due to their high abundance and diversity. We aim to provide an insight into the diversity of sandflies in Thailand by (i) conducting a literature review, and (ii) DNA barcoding sandflies collected from Wihan Cave where eight morphologically characterized species were recorded. DNA barcodes generated for 193 sandflies fell into 13 distinct species clusters under four genera (Chinius, Idiophlebotomus, Phlebotomus and Sergentomyia). Five of these species could be assigned Linnaean species names unambiguously and two others corresponded to characterized morphospecies. Two species represented a complex under the name Sergentomyia barraudi while the remaining four had not been recognized before in any form. The resulting species checklist and DNA barcode library contribute to a growing set of records for sandflies which is useful for monitoring and vector control.
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Affiliation(s)
- Raxsina Polseela
- a Department of Microbiology and Parasitology, Faculty of Medical Science , Naresuan University , Phitsanulok , Thailand .,b Centre of Excellence in Medical Biotechnology, Faculty of Medical Science, Naresuan University , Phitsanulok , Thailand
| | - Narong Jaturas
- a Department of Microbiology and Parasitology, Faculty of Medical Science , Naresuan University , Phitsanulok , Thailand .,c Department of Parasitology, Faculty of Medicine , University of Malaya , Kuala Lumpur , Malaysia
| | - Aunchalee Thanwisai
- a Department of Microbiology and Parasitology, Faculty of Medical Science , Naresuan University , Phitsanulok , Thailand .,b Centre of Excellence in Medical Biotechnology, Faculty of Medical Science, Naresuan University , Phitsanulok , Thailand
| | - Kong-Wah Sing
- d Ecology and Biodiversity Program, Institute of Biological Sciences, Faculty of Science, University of Malaya , Kuala Lumpur , Malaysia , and.,e Museum of Zoology, Institute of Biological Sciences, Faculty of Science, University of Malaya , Kuala Lumpur , Malaysia
| | - John-James Wilson
- d Ecology and Biodiversity Program, Institute of Biological Sciences, Faculty of Science, University of Malaya , Kuala Lumpur , Malaysia , and.,e Museum of Zoology, Institute of Biological Sciences, Faculty of Science, University of Malaya , Kuala Lumpur , Malaysia
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42
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Tahir HM, Kanwal N, Mehwish. The sequence divergence in cytochrome C oxidase I gene of Culex quinquefasciatus mosquito and its comparison with four other Culex species. Mitochondrial DNA A DNA Mapp Seq Anal 2015; 27:3054-7. [DOI: 10.3109/19401736.2015.1063138] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
| | - Naila Kanwal
- Department of Zoology, University of Sargodha, Sargodha, Pakistan
| | - Mehwish
- Department of Zoology, University of Sargodha, Sargodha, Pakistan
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Rozo-Lopez P, Mengual X. Mosquito species (Diptera, Culicidae) in three ecosystems from the Colombian Andes: identification through DNA barcoding and adult morphology. Zookeys 2015; 513:39-64. [PMID: 26257568 PMCID: PMC4524277 DOI: 10.3897/zookeys.513.9561] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2015] [Accepted: 06/01/2015] [Indexed: 01/09/2023] Open
Abstract
Colombia, one of the world's megadiverse countries, has a highly diverse mosquito fauna and a high prevalence of mosquito-borne diseases. In order to provide relevant information about the diversity and taxonomy of mosquito species in Colombia and to test the usefulness of DNA barcodes, mosquito species collected at different elevations in the departments of Antioquia and Caldas were identified combining adult morphology and barcode sequences. A total of 22 mosquito species from eight genera were identified using these combined techniques. We generated 77 barcode sequences with 16 species submitted as new country records for public databases. We examined the usefulness of DNA barcodes to discriminate mosquito species from the Neotropics by compiling 1,292 sequences from a total of 133 species and using the tree-based methods of neighbor-joining and maximum likelihood. Both methodologies provided similar results by resolving 105 species of mosquitoes separated into distinct clusters. This study shows the importance of combining classic morphological methodologies with molecular tools to accurately identify mosquitoes from Colombia.
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Affiliation(s)
- Paula Rozo-Lopez
- Rheinische Friedrich-Wilhelms-Universität Bonn. An der Immenburg 1, 53121 Bonn, Germany
| | - Ximo Mengual
- Zoologisches Forschungsmuseum Alexander Koenig. Adenauerallee 160, 53113 Bonn, Germany
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Jürgenstein S, Kurina O, Põldmaa K. The Mycetophilaruficollis Meigen (Diptera, Mycetophilidae) group in Europe: elucidating species delimitation with COI and ITS2 sequence data. Zookeys 2015:15-51. [PMID: 26167119 PMCID: PMC4492204 DOI: 10.3897/zookeys.508.9814] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2015] [Accepted: 05/27/2015] [Indexed: 11/12/2022] Open
Abstract
European species of the Mycetophilaruficollis group are compared on the basis of morphology and sequences of mitochondrial cytochrome oxidase subunit one (COI) and the ITS2 region of nuclear ribosomal DNA. The study represents the first evaluation of morphology-based species delimitation of closely related fungus gnat species by applying molecular information. Detailed descriptions and illustrations of the male terminalia are presented along with a key for the identification of all nine European species of the group. Phylogenetic analyses of molecular data generally supported the morphological species discrimination. The barcoding region of COI superseded ITS2 rDNA in resolving species. In the COI barcoding region interspecific differences ranged from 2.9 to 10.6% and the intraspecific distance from 0.08 to 0.8%. Only COI data distinguished between the similar and closely related Mycetophilaichneumonea and Mycetophilauninotata of which the latter was observed to include cryptic species. The host range of some species is suggested to be narrower than previously considered and to depend on the forest type. Presented evidence indicates the importance of analysing sequence data of morphologically very similar mycetophages reared from identified host fungi for elucidating species delimitation as well as their geographic and host ranges. New country records, viz. Estonia for Mycetophilaevanida, Georgia for Mycetophilaichneumonea, Mycetophilaidonea and Mycetophilaruficollis, and Norway for Mycetophilastrobli, widen the known distribution ranges of these species.
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Affiliation(s)
- Siiri Jürgenstein
- Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Kreutzwaldi st 5D, 51014 Tartu, ESTONIA
| | - Olavi Kurina
- Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Kreutzwaldi st 5D, 51014 Tartu, ESTONIA
| | - Kadri Põldmaa
- Department of Botany, Institute of Ecology and Earth Sciences, University of Tartu, Ravila 14a, 50411 Tartu, ESTONIA
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Nzelu CO, Cáceres AG, Arrunátegui-Jiménez MJ, Lañas-Rosas MF, Yañez-Trujillano HH, Luna-Caipo DV, Holguín-Mauricci CE, Katakura K, Hashiguchi Y, Kato H. DNA barcoding for identification of sand fly species (Diptera: Psychodidae) from leishmaniasis-endemic areas of Peru. Acta Trop 2015; 145:45-51. [PMID: 25697864 DOI: 10.1016/j.actatropica.2015.02.003] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2014] [Revised: 01/29/2015] [Accepted: 02/06/2015] [Indexed: 11/29/2022]
Abstract
Phlebotomine sand flies are the only proven vectors of leishmaniases, a group of human and animal diseases. Accurate knowledge of sand fly species identification is essential in understanding the epidemiology of leishmaniasis and vector control in endemic areas. Classical identification of sand fly species based on morphological characteristics often remains difficult and requires taxonomic expertise. Here, we generated DNA barcodes of the cytochrome c oxidase subunit 1 (COI) gene using 159 adult specimens morphologically identified to be 19 species of sand flies, belonging to 6 subgenera/species groups circulating in Peru, including the vector species. Neighbor-joining (NJ) analysis based on Kimura 2-Parameter genetic distances formed non-overlapping clusters for all species. The levels of intraspecific genetic divergence ranged from 0 to 5.96%, whereas interspecific genetic divergence among different species ranged from 8.39 to 19.08%. The generated COI barcodes could discriminate between all the sand fly taxa. Besides its success in separating known species, we found that DNA barcoding is useful in revealing population differentiation and cryptic diversity, and thus promises to be a valuable tool for epidemiological studies of leishmaniasis.
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Affiliation(s)
- Chukwunonso O Nzelu
- Laboratory of Parasitology, Department of Disease Control, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan
| | - Abraham G Cáceres
- Departamento Académico de Microbiología Médica, Facultad de Medicina Humana, Universidad Nacional Mayor de San Marcos, Lima, Peru; Laboratorio de Entomología, Instituto Nacional de Salud, Lima, Peru
| | - Martín J Arrunátegui-Jiménez
- Dirección Ejecutiva de Salud Ambiental, Gerencia Regional de Salud Lambayeque, Perú Área de Entomología Laboratorio Referencial, Dirección Regional de Salud Piura, Peru
| | - Máximo F Lañas-Rosas
- Área de Entomología, Laboratorio Referencial, Dirección Regional de Salud Piura, Peru
| | | | - Deysi V Luna-Caipo
- Dirección Ejecutiva de Salud Ambiental, Dirección Sub Regional de Salud Cutervo, Dirección Regional de Salud Cajamarca, Peru
| | | | - Ken Katakura
- Laboratory of Parasitology, Department of Disease Control, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan
| | - Yoshihisa Hashiguchi
- Department of Parasitology, Kochi Medical School, Kochi University, Kochi, Japan; Centro de Biomedicina, Universidad Central del Ecuador, Quito, Ecuador; Prometeo, Secretaría Nacional de Educacion Superior, Ciencia, Tecnologia e Innovacion (SENESCYT), Ecuador
| | - Hirotomo Kato
- Laboratory of Parasitology, Department of Disease Control, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan.
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Maia C, Parreira R, Cristóvão JM, Afonso MO, Campino L. Exploring the utility of phylogenetic analysis of cytochrome oxidase gene subunit I as a complementary tool to classical taxonomical identification of phlebotomine sand fly species (Diptera, Psychodidae) from southern Europe. Acta Trop 2015; 144:1-8. [PMID: 25617635 DOI: 10.1016/j.actatropica.2014.12.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2014] [Revised: 12/03/2014] [Accepted: 12/26/2014] [Indexed: 10/24/2022]
Abstract
Phlebotomine sand flies (Diptera, Psychodidae) are known to be vectors of several pathogens such as Leishmania and Phlebovirus genera. The identification of phlebotomine sand fly species is currently based on morphological characters, and requires considerable taxonomic expertise and skilfulness, but may be complemented by DNA-based analyses for (i) accurate species identification and (ii) for estimating sand fly diversity. The aim of this study was to evaluate the utility of mitochondrial cytochrome oxidase gene subunit I (cox1) sequence analysis as a complementary tool to classical taxonomical for the identification of the most prevalent phlebotomine sand fly species from southern Europe (i.e. Phlebotomus ariasi, P. perniciosus, P. sergenti and Sergentomyia minuta). Phylogenetic analyses of cox1 sequences allowed conclusive assignment of most of the sand flies into individual species, and revealed the genetic heterogeneity that characterizes some of the identified genetic clusters. Nevertheless, it showed some limitations, as it failed to (i) allocate correctly all of all species of a given subgenus to a single lineage, or (ii) conclusively identify sequences amplified from individuals classified morphologically as P. ariasi. A more extensive analysis of cox1 sequences together with morphometric characterization of specimens from different geographic areas/regions might be useful for the correct assessment of the phylogenetic relationship within the P. ariasi/P. chadlii cluster and/or help to ascertain the usefulness of cox1 for molecular taxonomy of sand flies.
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Zhao Y, Cao Z, Cheng J, Hu L, Ma J, Yang Y, Wang X, Zeng J, Wang T. Population identification of Sarcoptes hominis and Sarcoptes canis in China using DNA sequences. Parasitol Res 2014; 114:1001-10. [PMID: 25547078 DOI: 10.1007/s00436-014-4266-1] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2014] [Accepted: 12/15/2014] [Indexed: 11/25/2022]
Abstract
There has been no consistent conclusion on whether Sarcoptes mites parasitizing in humans and animals are the same species. To identify Sarcoptes (S.) hominis and S. canis in China, gDNA was extracted from individual mites (five from patients with scabies and five from dogs with mange) for amplification of rDNA ITS2, mtDNA 16S, and cox1 fragment sequences. Then, the sequences obtained were aligned with those from different hosts and geographical locations retrieved from GenBank and sequence analyses were conducted. Phylogenetic trees based on 317-bp mtDNA cox1 showed five distinctive branches (species) of Sarcoptes mites, four for S. hominis (S. hominis Chinese, S. nr. hominis Chinese, S. hominis Australian, and S. hominis Panamanian) and one for S. animal (S. animal). S. animal included mites from nine animal species, with S. canis China, S. canis Australia, and S. canis USA clustering as a subbranch. Further sequence divergence analysis revealed no overlap between intraspecific (≤ 2.6 %) and interspecific (2.6-10.5 %) divergences in 317-bp mtDNA cox1. However, overlap was detected between intra- and interspecific divergences in 311-bp rDNA ITS2 or 275-bp mtDNA 16S when the divergences exceeded 1.0 %, which resulted in failure in identification of Sarcoptes. The results showed that the 317-bp mtDNA cox1 could be used as a DNA barcode for molecular identification of Sarcoptes mites. In addition, geographical isolation was observed between S. hominis Chinese, S. hominis Australian, and S. hominis Panamanian, but not between all S. canis. S. canis and the other S. animal belonged to the same species.
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Affiliation(s)
- YaE Zhao
- Department of Immunology and Pathogen Biology, Xi'an Jiaotong University Health Science Center, No.76 Yanta West Road, Xi'an, China, 710061,
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Depaquit J. Molecular systematics applied to Phlebotomine sandflies: Review and perspectives. INFECTION GENETICS AND EVOLUTION 2014; 28:744-56. [DOI: 10.1016/j.meegid.2014.10.027] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2014] [Revised: 10/23/2014] [Accepted: 10/28/2014] [Indexed: 01/21/2023]
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