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Chatpiyaphat K, Sumruayphol S, Dujardin J, Samung Y, Phayakkaphon A, Cui L, Ruangsittichai J, Sungvornyothin S, Sattabongkot J, Sriwichai P. Geometric morphometrics to distinguish the cryptic species Anopheles minimus and An. harrisoni in malaria hot spot villages, western Thailand. Med Vet Entomol 2021; 35:293-301. [PMID: 33205850 PMCID: PMC8451769 DOI: 10.1111/mve.12493] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 07/09/2020] [Accepted: 11/02/2020] [Indexed: 06/02/2023]
Abstract
Anopheles minimus Theobald 1901 and An. harrisoni Harbach & Manguin 2007 belong to the same species complex. They are morphologically similar and can exist in sympatry but have blood host preferences. The most accurate method for their identification is based on molecular techniques. Here, we measure the level of interspecific discrimination by geometric morphometry. Sixty-seven An. minimus and 22 An. harrisoni specimens were selected based on their morphological integrity and confirmed by identification polymerase chain reaction of internal transcribed spacer 2. These samples were used as reference data allowing for a morphometric identification based on geometric shape. Despite size overlap between the two species, there was a significant shape divergence allowing for differentiation of An. minimus and An. harrisoni with 90% accuracy. An intraspecific study of An. minimus showed a summer period associated to the reducing of wing size, which did not influence the shape-based differentiation of An. harrisoni. Wing venation geometry can be used to distinguish between these cryptic species mainly based on shaped divergence. This study suggests that geometric morphometrics represent a convenient low-cost method to complement morphological identification, especially concerning damaged specimens, i.e., insects having accidentally lost the anatomical features allowing a reliable morphological identification.
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Affiliation(s)
- K. Chatpiyaphat
- Department of Medical Entomology, Faculty of Tropical MedicineMahidol UniversityBangkokThailand
| | - S. Sumruayphol
- Department of Medical Entomology, Faculty of Tropical MedicineMahidol UniversityBangkokThailand
| | - J.‐P. Dujardin
- Unité Mixte de Recherche 177‐Interactions Hôte‐Vecteur‐Parasite‐Enironnement dans les Maladies Tropicales Négligées dues aux Trypanosomatidés, Centre International de Recherches Agronomiques pour le Développement (CIRAD)Institut de Recherches pour le Développement (IRD), Campus international de BaillarguetMontpellierFrance
| | - Y. Samung
- Department of Medical Entomology, Faculty of Tropical MedicineMahidol UniversityBangkokThailand
| | - A. Phayakkaphon
- Department of Medical Entomology, Faculty of Tropical MedicineMahidol UniversityBangkokThailand
| | - L. Cui
- Department of Internal Medicine, Morsani College of MedicineUniversity of South FloridaTampaFloridaU.S.A.
| | - J. Ruangsittichai
- Department of Medical Entomology, Faculty of Tropical MedicineMahidol UniversityBangkokThailand
| | - S. Sungvornyothin
- Department of Medical Entomology, Faculty of Tropical MedicineMahidol UniversityBangkokThailand
| | - J. Sattabongkot
- Vivax Research Unit, Faculty of Tropical MedicineMahidol UniversityBangkokThailand
| | - P. Sriwichai
- Department of Medical Entomology, Faculty of Tropical MedicineMahidol UniversityBangkokThailand
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Dujardin J, Batelaan O, Canters F, Boel S, Anibas C, Bronders J. Improving surface-subsurface water budgeting using high resolution satellite imagery applied on a brownfield. Sci Total Environ 2011; 409:800-809. [PMID: 21112074 DOI: 10.1016/j.scitotenv.2010.10.055] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2010] [Revised: 10/28/2010] [Accepted: 10/29/2010] [Indexed: 05/30/2023]
Abstract
The estimation of surface-subsurface water interactions is complex and highly variable in space and time. It is even more complex when it has to be estimated in urban areas, because of the complex patterns of the land-cover in these areas. In this research a modeling approach with integrated remote sensing analysis has been developed for estimating water fluxes in urban environments. The methodology was developed with the aim to simulate fluxes of contaminants from polluted sites. Groundwater pollution in urban environments is linked to patterns of land use and hence it is essential to characterize the land cover in a detail. An object-oriented classification approach applied on high-resolution satellite data has been adopted. To assign the image objects to one of the land-cover classes a multiple layer perceptron approach was adopted (Kappa of 0.86). Groundwater recharge has been simulated using the spatially distributed WetSpass model and the subsurface water flow using MODFLOW in order to identify and budget water fluxes. The developed methodology is applied to a brownfield case site in Vilvoorde, Brussels (Belgium). The obtained land use map has a strong impact on the groundwater recharge, resulting in a high spatial variability. Simulated groundwater fluxes from brownfield to the receiving River Zenne were independently verified by measurements and simulation of groundwater-surface water interaction based on thermal gradients in the river bed. It is concluded that in order to better quantify total fluxes of contaminants from brownfields in the groundwater, remote sensing imagery can be operationally integrated in a modeling procedure.
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Affiliation(s)
- J Dujardin
- Vrije Universiteit Brussel, Department of Hydrology and Hydraulic Engineering, Pleinlaan 2, Brussels, Belgium.
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Dorbolo S, Terwagne D, Delhalle R, Dujardin J, Huet N, Vandewalle N, Denkov N. Antibubble lifetime: Influence of the bulk viscosity and of the surface modulus of the mixture. Colloids Surf A Physicochem Eng Asp 2010. [DOI: 10.1016/j.colsurfa.2010.01.028] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Dujardin J, Le Pont F, Martinez E. Quantitative morphological evidence for incipient species within Lutzomyia quinquefer (Diptera: Psychodidae). Mem Inst Oswaldo Cruz 1999; 94:829-36. [PMID: 10585664 DOI: 10.1590/s0074-02761999000600022] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Morphological variation among geographic populations of the New World sand fly Lutzomyia quinquefer (Diptera, Phlebotominae) was analyzed and patterns detected that are probably associated with species emergence. This was achieved by examining the relationships of size and shape components of morphological attributes, and their correlation with geographic parameters. Quantitative and qualitative morphological characters are described, showing in both sexes differences among local populations from four Departments of Bolivia. Four arguments are then developed to reject the hypothesis of environment as the unique source of morphological variation: (1) the persistence of differences after removing the allometric consequences of size variation, (2) the association of local metric properties with meristic and qualitative attributes, rather than with altitude, (3) the positive and significant correlation between metric and geographic distances, and (4) the absence of a significant correlation between altitude and general-size of the insects.
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Affiliation(s)
- J Dujardin
- Unité Mixte de Recherche IRD-CNRS 9926, Montpellier, France.
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Abstract
Elucidating the evolution of Phlebotominae is important not only to revise their taxonomy, but also to help understand the origin of the genus Leishmania and its relationship with humans. Our study is a phenetic portrayal of this history based on the genetic relationships among some New Word and Old Word taxa. We used both multilocus enzyme electrophoresis and morphometry on 24 male specimens of the Old Word genus Phlebotomus (with three of its subgenera: Phlebotomus, Spelaeophlebotomus and Australophlebotomus), and on 67 male specimens of the three New World genera, Warileya, Brumptomyia and Lutzomyia, (with three subgenera of Lutzomyia: Lutzomyia, Oligodontomyia and Psychodopygus). Phenetic trees derived from both techniques were similar, but disclosed relationships that disagree with the present classification of sand flies. The need for a true evolutionary approach is stressed.
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Affiliation(s)
- J Dujardin
- UMR IRD-CNRS 9926, IRD Montpellier, France.
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Dujardin J, Steinden M, Chavez T, Machane M, Schofield C. Changes in the sexual dimorphism of triatominae in the transition from natural to artificial habitats. Mem Inst Oswaldo Cruz 1999; 94:565-9. [PMID: 10446020 DOI: 10.1590/s0074-02761999000400024] [Citation(s) in RCA: 54] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
A shift from large to small average sizes was observed in Triatoma infestans and Rhodnius domesticus between field and domestic (or laboratory) conditions of life. It was more pronounced in the female specimens, leading to a subsequent reduction of sexual size dimorphism. This feature is discussed in terms of genetic and populational changes occurring from natural to artificial habitats, in particular those related to population densities. Sexual size dimorphism is then recommended as a new character to be used in the study of species of Triatominae adapting to domestic ecotopes.
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Dujardin J, Deroanne R, Pirnay F, Petit JM, Delvaux JM, Rondia D. [Cardiorespiratory adaptation to muscular exertion during alcoholic intoxication]. Arch Int Physiol Biochim 1973; 81:47-55. [PMID: 4122941 DOI: 10.3109/13813457309074443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Pirnay F, Deroanne R, Dujardin J, Degauque C, Petit JM. [Measurement of cardiac output during muscle exercise]. Arch Int Physiol Biochim 1972; 80:171-2. [PMID: 4111298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Pirnay F, Deroanne R, Maréchal R, Dujardin J, Petit JM. [Maximum oxygen consumption in different types of muscular exercise]. Arch Int Physiol Biochim 1971; 79:319-26. [PMID: 4108441 DOI: 10.3109/13813457109085314] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Pirnay F, Deroanne R, Dujardin J, Petit JM. [Maximal muscular exertion under carbon monoxide poisoning]. J Physiol (Paris) 1971; 63:87A-88A. [PMID: 5561578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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Pirnay F, Deroanne R, Petit JM, Bottin R, Dujardin J. Signification de la consommation d'oxyg�ne correspondant a la fr�quence cardiaque de 170/min. Eur J Appl Physiol 1970. [DOI: 10.1007/bf00695703] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Dujardin J, Petit JM, Decortis A, Pirnay F. [Comparison between PO2, PCO2 and arterial pH values by direct or indirect measurement]. Acta Tuberc Pneumol Belg 1970; 61:155-62. [PMID: 5484292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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Pirnay F, Deroanne R, Dujardin J, Petit JM. [Measurement of pO2 and pCO2 of venous blood mixed by reinspiration of expired air]. Arch Int Physiol Biochim 1969; 77:952-3. [PMID: 4190889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Dujardin J, Grosjean MH, Noirfalise A, Delvaux JM, Rondia D, Petit JM. [Influence of hypercapnic hyperventilation and muscular exercise upon alcoholemia]. Arch Belg Med Soc 1969; 27:532-40. [PMID: 5402706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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Pirnay F, Dujardin J, Deroanne R, Bottin R, Petit JM. [Influence of amphetamine on muscular exercise tests]. Arch Int Physiol Biochim 1968; 76:148-9. [PMID: 4174304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Pirnay F, Petit JM, Dujardin J, Deroanne R, Juchemes J, Bottin R. [Influence of amphetamine on some muscular exercises carried on by normal individuals]. Int Z Angew Physiol 1968; 25:121-129. [PMID: 5664686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
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Fontan M, Dujardin J, Lecerf J, Vanbatten R, Penot M. [The serum albumin labeled I-131 space in non-cirrhotic alcoholics]. Lille Med 1967; 12:432-42. [PMID: 5619105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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