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Silva CMDA, Dos Santos FN, Mota TF, Brodskyn CI, Fraga DBM, Magalhães-Junior JT. Identification of Lutzomyia longipalpis' using MALDI-TOF peptide/protein profiles. Acta Trop 2024; 257:107303. [PMID: 38950763 DOI: 10.1016/j.actatropica.2024.107303] [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: 05/09/2024] [Revised: 06/18/2024] [Accepted: 06/24/2024] [Indexed: 07/03/2024]
Abstract
Sand flies are vectors of great public health importance, since they constitute a group of hematophagous insects responsible for etiological agents transmission of zoonotic diseases such a visceral leishmaniasis. In face of the expansion of these diseases, efficient control strategies are needed which depend on comprehending the sand fly eco-epidemiology. In this regard, MALDI-TOF mass spectrometry has been used for bacteria, fungi and yeast detection studies through peptide/protein profiles. However, little is known about interference of biological factors associated with vector ecology, such as blood meal preferences and even sand fly age on the peptide/protein profiles. Thus, the present study aimed to evaluate the differences in peptide/protein profiles of the sand fly Lutzomyia longipalpis, by means of MALDI-TOF, due to the sand fly's age, sex, blood meal source and Leishmania infantum infection. Sample preparation was made removing both head and last abdomen segments keeping the thorax, its appendices and the rest of the abdomen. Five specimens per pool were used to obtain peptide/protein extract of which 1 μL solution was deposited over 1 μL MALDI matrix dried. Characteristic spectra were analyzed using principal coordinate analysis as well as indicator species analysis to discriminate differences in sand flies's peptide/protein profile by sex, age, blood meal source and L. infantum infection. The results show that the evaluated variables produced distinct peptide/protein profiles, demonstrated by the identification of specific diagnostic ions. It was found that the interference of biological factors should be taken into account when using the MALDI-TOF analysis of sand fly species identification and eco-epidemiological applications in field studies. Based on our results, we believe that it is possible to identify infected specimens and the source of blood meal in a collection of wild sand flies, serving to measure infectivity and understand the dynamics of the vector's transmission chain. Our results may be useful for epidemiological studies that look at the ecology of sand flies and leishmaniasis, as well as for raising awareness of biological characteristics' impact on peptide/protein profiles in sand fly species identification.
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Affiliation(s)
- Caliene Melo de Andrade Silva
- Universidade Federal do Oeste da Bahia (UFOB), Centro Multidisciplinar da Barra, Barra, Bahia, Brazil, 47100-000; Instituto Gonçalo Moniz, Fundação Oswaldo Cruz (IGM-FIOCRUZ), Salvador, Bahia, Brazil, 40296-710.
| | - Fábio Neves Dos Santos
- Laboratório ThoMSon de Espectrometria de Massas, Instituto de Química, Universidade de Campinas (UNICAMP), Campinas, São Paulo, Brazil, 13083-970; Instituto de Química, Universidade Federal da Bahia (UFBA), Campus Universitário de Ondina, Salvador, Bahia, Brazil, 40170-290
| | - Tiago Feitosa Mota
- Instituto Gonçalo Moniz, Fundação Oswaldo Cruz (IGM-FIOCRUZ), Salvador, Bahia, Brazil, 40296-710
| | - Claudia Ida Brodskyn
- Instituto Gonçalo Moniz, Fundação Oswaldo Cruz (IGM-FIOCRUZ), Salvador, Bahia, Brazil, 40296-710
| | - Deborah Bittencourt Mothé Fraga
- Instituto Gonçalo Moniz, Fundação Oswaldo Cruz (IGM-FIOCRUZ), Salvador, Bahia, Brazil, 40296-710; Universidade Federal da Bahia (UFBA), Escola de Medicina Veterinária e Zootecnia, Salvador, Bahia, Brazil, 40170-110
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Yean S, Prasetyo DB, Marcombe S, Hadi UK, Kazim AR, Tiawsirisup S, Chinh VD, Matsuno K, Low VL, Bonnet S, Boulanger N, Lam TTY, Abdad MY, Herbreteau V, Chavatte JM, Sum S, Ren T, Sakuntabhai A, Maquart PO, Rakotonirina A, Boyer S. Challenges for ticks and tick-borne diseases research in Southeast Asia: Insight from the first international symposium in Cambodia. PLoS Negl Trop Dis 2024; 18:e0012269. [PMID: 38985826 PMCID: PMC11236135 DOI: 10.1371/journal.pntd.0012269] [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] [Indexed: 07/12/2024] Open
Abstract
BACKGROUND Ticks, as critical vectors of a variety of pathogens, pose a significant public health challenge globally. In Southeast Asia (SEA), ticks are responsible for transmitting a diverse array of pathogens affecting humans and animals. The geographical and ecological diversity of SEA provides a unique environment that supports a wide range of tick species, which complicates the management and study of tick-borne diseases (TBDs). METHODOLOGY/PRINCIPAL FINDINGS This article synthesizes findings from the first international symposium on ticks and TBDs in Southeast Asia, held in Phnom Penh on June 22 and 23, 2023. It highlights regional efforts to understand tick ecology and pathogen transmission. This paper proposes to present a summary of the various presentations given during the symposium following 3 main parts. The first one is devoted to the state of knowledge regarding ticks and TBDs in SEA countries, with presentations from 6 different countries, namely Cambodia, Indonesia, Laos, Malaysia, Thailand, and Vietnam. The second part focuses on the development of new research approaches on tick-borne pathogens (TBPs) and TBDs. The last part is a summary of the round table discussion held on the final day, with the aim of defining the most important challenges and recommendations for researches on TBP and TBD in the SEA region. CONCLUSIONS/SIGNIFICANCE Key topics discussed include advancements in diagnostic tools, such as MALDI-TOF MS and proteomics, and the development of sustainable strategies for tick management and disease prevention. The symposium facilitated the exchange of knowledge and collaborative networks among experts from various disciplines, promoting a unified approach to tackling TBDs in the region. The symposium underscored the need for enhanced surveillance, diagnostics, and inter-regional cooperation to manage the threat of TBDs effectively. Recommendations include the establishment of a regional database for tick identification and the expansion of vector competence studies. These initiatives are crucial for developing targeted interventions and understanding the broader implications of climate change and urbanization on the prevalence of TBDs.
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Affiliation(s)
- Sony Yean
- Medical and Veterinary Entomology Unit, Institut Pasteur du Cambodge, Phnom Penh, Cambodia
| | - Didot Budi Prasetyo
- Medical and Veterinary Entomology Unit, Institut Pasteur du Cambodge, Phnom Penh, Cambodia
| | | | - Upik Kesumawati Hadi
- School of Veterinary Medicine and Biomedical Sciences, IPB University, Bogor, Indonesia
| | - Abdul Rahman Kazim
- Department of Medical Microbiology and Parasitology, Faculty of Medicine, Universiti Teknologi MARA, Sungai Buloh Campus, Jalan Hospital, Selangor, Malaysia
| | | | - Vu Duc Chinh
- National Institute of Malariology, Parasitology and Entomology, Hanoi, Vietnam
| | - Keita Matsuno
- International Institute for Zoonosis Control, Hokkaido University, Sapporo, Japan
| | - Van Lun Low
- Tropical Infectious Diseases Research and Education Centre, Universiti Malaya, Kuala Lumpur, Malaysia
| | - Sarah Bonnet
- Ecology and Emergence of Arthropod-borne pathogens Unit, Institut Pasteur, Université Paris Cité, CNRS UMR 2000, INRAE USC 1510, Paris, France
| | - Nathalie Boulanger
- University of Strasbourg and French Reference Center Lyme, Strasbourg, France
| | | | | | | | - Jean-Marc Chavatte
- National Public Health Laboratory–National Centre for Infectious Diseases, Ministry of Health, Singapore
| | - Samuth Sum
- Faculty of Veterinary Medicine, Royal University of Agriculture, Phnom Penh, Cambodia
| | - Theary Ren
- National Animal Health and Production Research Institute, General Directorate of Animal Health and Production, Ministry of Agriculture, Forestry and Fisheries, Phnom Penh, Cambodia
| | - Anavaj Sakuntabhai
- Ecology and Emergence of Arthropod-borne pathogens Unit, Institut Pasteur, Université Paris Cité, CNRS UMR 2000, INRAE USC 1510, Paris, France
| | - Pierre-Olivier Maquart
- Medical and Veterinary Entomology Unit, Institut Pasteur du Cambodge, Phnom Penh, Cambodia
| | - Antsa Rakotonirina
- Medical and Veterinary Entomology Unit, Institut Pasteur du Cambodge, Phnom Penh, Cambodia
| | - Sebastien Boyer
- Medical and Veterinary Entomology Unit, Institut Pasteur du Cambodge, Phnom Penh, Cambodia
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Karisa J, Ominde K, Tuwei M, Bartilol B, Ondieki Z, Musani H, Wanjiku C, Mwikali K, Babu L, Rono M, Eminov M, Mbogo C, Bejon P, Mwangangi J, Laroche M, Maia M. Utility of MALDI-TOF MS for determination of species identity and blood meal sources of primary malaria vectors on the Kenyan coast. Wellcome Open Res 2024; 8:151. [PMID: 38957296 PMCID: PMC11217722 DOI: 10.12688/wellcomeopenres.18982.2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/21/2024] [Indexed: 07/04/2024] Open
Abstract
Background Protein analysis using matrix-assisted laser desorption/ionisation time-of-flight mass-spectrometry (MALDI-TOF MS) represents a promising tool for entomological surveillance. In this study we tested the discriminative power of this tool for measuring species and blood meal source of main Afrotropical malaria vectors on the Kenyan coast. Methods Mosquito collections were conducted along the coastal region of Kenya. MALDI-TOF MS spectra were obtained from each individual mosquito's cephalothorax as well as the abdomens of blood-engorged mosquitoes. The same mosquitoes were also processed using gold standard tests: polymerase chain reaction (PCR) for species identification and enzyme linked immunosorbent assay (ELISA) for blood meal source identification. Results Of the 2,332 mosquitoes subjected to MALDI-TOF MS, 85% (1,971/2,332) were considered for database creation and validation. There was an overall accuracy of 97.5% in the identification of members of the An. gambiae ( An. gambiae, 100%; An. arabiensis, 91.9%; An. merus, 97.5%; and An. quadriannulatus, 90.2%) and An. funestus ( An. funestus, 94.2%; An. rivulorum, 99.4%; and An. leesoni, 94.1%) complexes. Furthermore, MALDI-TOF MS also provided accurate (94.5% accuracy) identification of blood host sources across all mosquito species. Conclusions This study provides further evidence of the discriminative power of MALDI-TOF MS to identify sibling species and blood meal source of Afrotropical malaria vectors, further supporting its utility in entomological surveillance. The low cost per sample (<0.2USD) and high throughput nature of the method represents a cost-effective alternative to molecular methods and could enable programs to increase the number of samples analysed and therefore improve the data generated from surveillance activities.
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Affiliation(s)
- Jonathan Karisa
- Kenya Medical Research Institute, Wellcome Trust Research Programme, Kilifi, Kenya, 230-80108, Kenya
- The Open University, Milton Keynes, United Kingdom, Walton Hall, Kents Hill, Milton Keynes MK7 6AA, UK
- Pwani University, Kilifi, Kenya, 195-80108, Kenya
| | - Kelly Ominde
- Kenya Medical Research Institute, Wellcome Trust Research Programme, Kilifi, Kenya, 230-80108, Kenya
| | - Mercy Tuwei
- Kenya Medical Research Institute, Wellcome Trust Research Programme, Kilifi, Kenya, 230-80108, Kenya
- Pwani University, Kilifi, Kenya, 195-80108, Kenya
| | - Brian Bartilol
- Kenya Medical Research Institute, Wellcome Trust Research Programme, Kilifi, Kenya, 230-80108, Kenya
| | - Zedekiah Ondieki
- Kenya Medical Research Institute, Wellcome Trust Research Programme, Kilifi, Kenya, 230-80108, Kenya
| | - Harun Musani
- Kenya Medical Research Institute, Wellcome Trust Research Programme, Kilifi, Kenya, 230-80108, Kenya
| | - Caroline Wanjiku
- Kenya Medical Research Institute, Wellcome Trust Research Programme, Kilifi, Kenya, 230-80108, Kenya
| | - Kioko Mwikali
- Kenya Medical Research Institute, Wellcome Trust Research Programme, Kilifi, Kenya, 230-80108, Kenya
| | - Lawrence Babu
- Kenya Medical Research Institute, Wellcome Trust Research Programme, Kilifi, Kenya, 230-80108, Kenya
| | - Martin Rono
- Kenya Medical Research Institute, Wellcome Trust Research Programme, Kilifi, Kenya, 230-80108, Kenya
- Pwani University, Kilifi, Kenya, 195-80108, Kenya
| | | | - Charles Mbogo
- Kenya Medical Research Institute, Wellcome Trust Research Programme, Kilifi, Kenya, 230-80108, Kenya
| | - Philip Bejon
- Kenya Medical Research Institute, Wellcome Trust Research Programme, Kilifi, Kenya, 230-80108, Kenya
- University of Oxford, Centre for Global Health and Tropical Medicine, Oxford, UK, Oxford, UK
| | - Joseph Mwangangi
- Kenya Medical Research Institute, Wellcome Trust Research Programme, Kilifi, Kenya, 230-80108, Kenya
| | - Maureen Laroche
- The University of Texas Medical Branch -, Galveston National Laboratory 301 University Blvd, Texas, Galveston TX 77555-1019, USA
| | - Marta Maia
- Kenya Medical Research Institute, Wellcome Trust Research Programme, Kilifi, Kenya, 230-80108, Kenya
- University of Oxford, Centre for Global Health and Tropical Medicine, Oxford, UK, Oxford, UK
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Almeras L, Costa MM, Amalvict R, Guilliet J, Dusfour I, David JP, Corbel V. Potential of MALDI-TOF MS biotyping to detect deltamethrin resistance in the dengue vector Aedes aegypti. PLoS One 2024; 19:e0303027. [PMID: 38728353 PMCID: PMC11086877 DOI: 10.1371/journal.pone.0303027] [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: 02/21/2024] [Accepted: 04/17/2024] [Indexed: 05/12/2024] Open
Abstract
Insecticide resistance in mosquitoes is spreading worldwide and represents a growing threat to vector control. Insecticide resistance is caused by different mechanisms including higher metabolic detoxication, target-site modification, reduced penetration and behavioral changes that are not easily detectable with simple diagnostic methods. Indeed, most molecular resistance diagnostic tools are costly and labor intensive and then difficult to use for routine monitoring of insecticide resistance. The present study aims to determine whether mosquito susceptibility status against the pyrethroid insecticides (mostly used for mosquito control) could be established by the protein signatures of legs and/or thoraxes submitted to MALDI-TOF Mass Spectrometry (MS). The quality of MS spectra for both body parts was controlled to avoid any bias due to unconformity protein profiling. The comparison of MS profiles from three inbreeds Ae. aegypti lines from French Guiana (IRF, IR03, IR13), with distinct deltamethrin resistance genotype / phenotype and the susceptible reference laboratory line BORA (French Polynesia), showed different protein signatures. On both body parts, the analysis of whole protein profiles revealed a singularity of BORA line compared to the three inbreeding lines from French Guiana origin, suggesting that the first criteria of differentiation is the geographical origin and/or the breeding history rather than the insecticide susceptibility profile. However, a deeper analysis of the protein profiles allowed to identify 10 and 11 discriminating peaks from leg and thorax spectra, respectively. Among them, a specific peak around 4870 Da was detected in legs and thoraxes of pyrethroid resistant lines compared to the susceptible counterparts hence suggesting that MS profiling may be promising to rapidly distinguish resistant and susceptible phenotypes. Further work is needed to confirm the nature of this peak as a deltamethrin resistant marker and to validate the routine use of MS profiling to track insecticide resistance in Ae. aegypti field populations.
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Affiliation(s)
- Lionel Almeras
- Département Microbiologie et Maladies Infectieuses, Institut de Recherche Biomédicale des Armées, Unité Parasitologie et Entomologie, Marseille, 13005, France
- Aix Marseille University, IRD, AP-HM, SSA, VITROME, Marseille, 13005, France
- IHU-Méditerranée Infection, Marseille, 13005, France
| | - Monique Melo Costa
- Département Microbiologie et Maladies Infectieuses, Institut de Recherche Biomédicale des Armées, Unité Parasitologie et Entomologie, Marseille, 13005, France
- Aix Marseille University, IRD, AP-HM, SSA, VITROME, Marseille, 13005, France
- IHU-Méditerranée Infection, Marseille, 13005, France
| | - Rémy Amalvict
- Département Microbiologie et Maladies Infectieuses, Institut de Recherche Biomédicale des Armées, Unité Parasitologie et Entomologie, Marseille, 13005, France
- Aix Marseille University, IRD, AP-HM, SSA, VITROME, Marseille, 13005, France
- IHU-Méditerranée Infection, Marseille, 13005, France
- Centre National de Référence du Paludisme, Marseille, 13005, France
| | - Joseph Guilliet
- Laboratoire d’Ecologie Alpine, UMR UGA-USMB-CNRS 5553, Université Grenoble Alpes, Grenoble, 38041, France
| | - Isabelle Dusfour
- Institut Pasteur de la Guyane, Vectopôle Amazonien Emile Abonnenc, Unité de Contrôle et Adaptation des Vecteurs, Cayenne, France
| | - Jean-Philippe David
- Laboratoire d’Ecologie Alpine, UMR UGA-USMB-CNRS 5553, Université Grenoble Alpes, Grenoble, 38041, France
| | - Vincent Corbel
- MIVEGEC, IRD, CNRS, University of Montpellier, Montpellier, France
- Laboratório de Fisiologia e Controle de Artrópodes Vetores (Laficave), Instituto Oswaldo Cruz (IOC), Fundacao Oswaldo Cruz (FIOCRUZ), Avenida Brasil, Rio de Janeiro–RJ, Brazil
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Karisa J, Ominde K, Tuwei M, Bartilol B, Ondieki Z, Musani H, Wanjiku C, Mwikali K, Babu L, Rono M, Eminov M, Mbogo C, Bejon P, Mwangangi J, Laroche M, Maia M. Utility of MALDI-TOF MS for determination of species identity and blood meal sources of primary malaria vectors on the Kenyan coast. Wellcome Open Res 2023. [DOI: 10.12688/wellcomeopenres.18982.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023] Open
Abstract
Background: Protein analysis using matrix-assisted laser desorption/ionization time-of-flight mass-spectrometry (MALDI-TOF MS) represents a promising tool for entomological surveillance. In this study we tested the discriminative power of this tool for measuring species and blood meal source of main Afrotropical malaria vectors on the Kenyan coast. Methods: Mosquito collections were conducted along the coastal region of Kenya. MALDI-TOF MS spectra were obtained from each individual mosquito’s cephalothorax as well as the abdomens of blood-engorged mosquitoes. The same mosquitoes were also processed using gold standard tests: polymerase chain reaction (PCR) for species identification and enzyme linked immunosorbent assay (ELISA) for blood meal source identification. Results: Of the 2,332 mosquitoes subjected to MALDI-TOF MS, 85% (1,971/2,332) were considered for database creation and validation. There was an overall accuracy of 97.5% in the identification of members of the An. gambiae (An. gambiae, 100%; An. arabiensis, 91.9%; An. merus, 97.5%; and An. quadriannulatus, 90.2%) and An. funestus (An. funestus, 94.2%; An. rivulorum, 99.4%; and An. leesoni, 94.1%) complexes. Furthermore, MALDI-TOF MS also provided accurate (94.5% accuracy) identification of blood host sources across all mosquito species. Conclusions: This study provides further evidence of the discriminative power of MALDI-TOF MS to identify sibling species and blood meal source of Afrotropical malaria vectors, further supporting its utility in entomological surveillance. The low cost per sample (<0.2USD) and high throughput nature of the method represents a cost-effective alternative to molecular methods and could enable programs to increase the number of samples analysed and therefore improve the data generated from surveillance activities.
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Identification of Neotropical Culex Mosquitoes by MALDI-TOF MS Profiling. Trop Med Infect Dis 2023; 8:tropicalmed8030168. [PMID: 36977169 PMCID: PMC10055718 DOI: 10.3390/tropicalmed8030168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/02/2023] [Accepted: 03/09/2023] [Indexed: 03/16/2023] Open
Abstract
The mosquito (Diptera: Culicidae) fauna of French Guiana encompasses 242 species, of which nearly half of them belong to the genus Culex. Whereas several species of Culex are important vectors of arboviruses, only a limited number of studies focus on them due to the difficulties to morphologically identify field-caught females. Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) has been reported as a promising method for the identification of mosquitoes. Culex females collected in French Guiana were morphologically identified and dissected. Abdomens were used for molecular identification using the COI (cytochrome oxidase 1) gene. Legs and thorax of 169 specimens belonging to 13 Culex species, (i.e., Cx. declarator, Cx. nigripalpus, Cx. quinquefasciatus, Cx. usquatus, Cx. adamesi, Cx. dunni, Cx. eastor, Cx. idottus, Cx. pedroi, Cx. phlogistus, Cx. portesi, Cx. rabanicolus and Cx. spissipes) were then submitted to MALDI-TOF MS analysis. A high intra-species reproducibility and inter-species specificity of MS spectra for each mosquito body part tested were obtained. A corroboration of the specimen identification was revealed between MALDI-TOF MS, morphological and molecular results. MALDI-TOF MS protein profiling proves to be a suitable tool for identification of neotropical Culex species and will permit the enhancement of knowledge on this highly diverse genus.
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Feucherolles M, Nennig M, Becker SL, Martiny D, Losch S, Penny C, Cauchie HM, Ragimbeau C. Combination of MALDI-TOF Mass Spectrometry and Machine Learning for Rapid Antimicrobial Resistance Screening: The Case of Campylobacter spp. Front Microbiol 2022; 12:804484. [PMID: 35250909 PMCID: PMC8894766 DOI: 10.3389/fmicb.2021.804484] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 12/28/2021] [Indexed: 01/15/2023] Open
Abstract
While MALDI-TOF mass spectrometry (MS) is widely considered as the reference method for the rapid and inexpensive identification of microorganisms in routine laboratories, less attention has been addressed to its ability for detection of antimicrobial resistance (AMR). Recently, some studies assessed its potential application together with machine learning for the detection of AMR in clinical pathogens. The scope of this study was to investigate MALDI-TOF MS protein mass spectra combined with a prediction approach as an AMR screening tool for relevant foodborne pathogens, such as Campylobacter coli and Campylobacter jejuni. A One-Health panel of 224 C. jejuni and 116 C. coli strains was phenotypically tested for seven antimicrobial resistances, i.e., ciprofloxacin, erythromycin, tetracycline, gentamycin, kanamycin, streptomycin, and ampicillin, independently, and were submitted, after an on- and off-plate protein extraction, to MALDI Biotyper analysis, which yielded one average spectra per isolate and type of extraction. Overall, high performance was observed for classifiers detecting susceptible as well as ciprofloxacin- and tetracycline-resistant isolates. A maximum sensitivity and a precision of 92.3 and 81.2%, respectively, were reached. No significant prediction performance differences were observed between on- and off-plate types of protein extractions. Finally, three putative AMR biomarkers for fluoroquinolones, tetracyclines, and aminoglycosides were identified during the current study. Combination of MALDI-TOF MS and machine learning could be an efficient and inexpensive tool to swiftly screen certain AMR in foodborne pathogens, which may enable a rapid initiation of a precise, targeted antibiotic treatment.
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Affiliation(s)
- Maureen Feucherolles
- Environmental Research and Innovation (ERIN) Department, Luxembourg Institute of Science and Technology, Belval, Luxembourg
- *Correspondence: Maureen Feucherolles,
| | - Morgane Nennig
- Laboratoire National de Santé, Epidemiology and Microbial Genomics, Dudelange, Luxembourg
| | - Sören L. Becker
- Institute of Medical Microbiology and Hygiene, Saarland University, Homburg, Germany
- Swiss Tropical and Public Health Institute, Basel, Switzerland
- University of Basel, Basel, Switzerland
| | - Delphine Martiny
- National Reference Centre for Campylobacter, Laboratoire des Hôpitaux Universitaires de Bruxelles-Universitaire Laboratorium Brussel (LHUB-ULB), Brussels, Belgium
- Université de Mons (UMONS), Mons, Belgium
| | - Serge Losch
- Laboratoire de Médecine Vétérinaire de l’Etat, Dudelange, Luxembourg
| | - Christian Penny
- Environmental Research and Innovation (ERIN) Department, Luxembourg Institute of Science and Technology, Belval, Luxembourg
- Chambre des Députés du Grand-Duché de Luxembourg, Parliamentary Research Service, Luxembourg, Luxembourg
| | - Henry-Michel Cauchie
- Environmental Research and Innovation (ERIN) Department, Luxembourg Institute of Science and Technology, Belval, Luxembourg
- Henry-Michel Cauchie,
| | - Catherine Ragimbeau
- Laboratoire National de Santé, Epidemiology and Microbial Genomics, Dudelange, Luxembourg
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Wolbachia detection in Aedes aegypti using MALDI-TOF MS coupled to artificial intelligence. Sci Rep 2021; 11:21355. [PMID: 34725401 PMCID: PMC8560810 DOI: 10.1038/s41598-021-00888-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Accepted: 10/19/2021] [Indexed: 11/15/2022] Open
Abstract
The mosquito Aedes aegypti is the major vector of arboviruses like dengue, Zika and chikungunya viruses. Attempts to reduce arboviruses emergence focusing on Ae. aegypti control has proven challenging due to the increase of insecticide resistances. An emerging strategy which consists of releasing Ae. aegypti artificially infected with Wolbachia in natural mosquito populations is currently being developed. The monitoring of Wolbachia-positive Ae. aegypti in the field is performed in order to ensure the program effectiveness. Here, the reliability of the Matrix‑Assisted Laser Desorption Ionization‑Time Of Flight (MALDI‑TOF) coupled with the machine learning methods like Convolutional Neural Network (CNN) to detect Wolbachia in field Ae. aegypti was assessed for the first time. For this purpose, laboratory reared and field Ae. aegypti were analyzed. The results showed that the CNN recognized Ae. aegypti spectral patterns associated with Wolbachia-infection. The MALDI-TOF coupled with the CNN (sensitivity = 93%, specificity = 99%, accuracy = 97%) was more efficient than the loop-mediated isothermal amplification (LAMP), and as efficient as qPCR for Wolbachia detection. It therefore represents an interesting method to evaluate the prevalence of Wolbachia in field Ae. aegypti mosquitoes.
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Sevestre J, Diarra AZ, Laroche M, Almeras L, Parola P. Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry: an emerging tool for studying the vectors of human infectious diseases. Future Microbiol 2021; 16:323-340. [PMID: 33733821 DOI: 10.2217/fmb-2020-0145] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Arthropod vectors have historically been identified morphologically, and more recently using molecular biology methods. However, both of these methods are time-consuming and require specific expertise and equipment. Matrix-assisted laser desorption ionization time-of-flight mass spectrometry, which has revolutionized the routine identification of microorganisms in clinical microbiology laboratories, was recently successfully applied to the identification of arthropod vectors. Since then, the robustness of this identification technique has been confirmed, extended to a large panel of arthropod vectors, and assessed for detecting blood feeding behavior and identifying the infection status in regard to certain pathogenic agents. In this study, we summarize the state-of-the-art of matrix-assisted laser desorption ionization time-of-flight mass spectrometry applied to the identification of arthropod vectors (ticks, mosquitoes, phlebotomine sand-flies, fleas, triatomines, lice and Culicoides), their trophic preferences and their ability to discriminate between infection statuses.
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Affiliation(s)
- Jacques Sevestre
- IHU Méditerranée Infection, 19-21 Boulevard Jean Moulin, 13005, Marseille, France.,Aix Marseille Univ, IRD, AP-HM, SSA, VITROME, Marseille, France
| | - Adama Z Diarra
- IHU Méditerranée Infection, 19-21 Boulevard Jean Moulin, 13005, Marseille, France.,Aix Marseille Univ, IRD, AP-HM, SSA, VITROME, Marseille, France
| | - Maureen Laroche
- IHU Méditerranée Infection, 19-21 Boulevard Jean Moulin, 13005, Marseille, France
| | - Lionel Almeras
- IHU Méditerranée Infection, 19-21 Boulevard Jean Moulin, 13005, Marseille, France.,Aix Marseille Univ, IRD, AP-HM, SSA, VITROME, Marseille, France.,Département Microbiologie et Maladies Infectieuses, Unité Parasitologie et Entomologie, Institut de Recherche Biomédicale des Armées, 19-21 Boulevard Jean Moulin, 13005, Marseille, France
| | - Philippe Parola
- IHU Méditerranée Infection, 19-21 Boulevard Jean Moulin, 13005, Marseille, France.,Aix Marseille Univ, IRD, AP-HM, SSA, VITROME, Marseille, France
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10
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Benkacimi L, Gazelle G, El Hamzaoui B, Bérenger JM, Parola P, Laroche M. MALDI-TOF MS identification of Cimex lectularius and Cimex hemipterus bedbugs. INFECTION GENETICS AND EVOLUTION 2020; 85:104536. [PMID: 32927120 DOI: 10.1016/j.meegid.2020.104536] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 08/30/2020] [Accepted: 09/04/2020] [Indexed: 11/29/2022]
Abstract
Bedbugs (Cimex lectularius and C. hemipterus) have reemerged as a major public health problem around the world. Their bites cause various skin lesions as well as discomfort and anxiety. Their role as potential vectors of various infectious agents is discussed. Accordingly, all suspected cases of bedbug infestations need to be documented thoroughly, with an unequivocal identification of the arthropods involved, if any are present. Although morphological identification is easily and quickly performed by entomologists or professionals, it can be challenging otherwise. Also, distinguishing Cimex lectularius and C. hemipterus requires entomological expertise. MALDI-TOF mass spectrometry has been recently presented as an additional tool for arthropod identification. In this study, we assess the use of MALDI-TOF MS for the identification of laboratory and wild strains of C. lectularius and C. hemipterus. Several body parts of laboratory reared C. lectularius specimens were used to develop a MALDI-TOF MS protocol for bedbug identification, which was later validated using five other laboratory and wild populations of C. hemipterus and C. lectularius. A total of 167C. lectularius and C. hemipterus bedbug specimens (98 laboratory specimens and 69 wild specimens) were submitted to MALDI-TOF MS analysis. 143/167 (85.63%) provided high quality MS spectra. The in-lab database was then upgraded with a total of 20 reference spectra from all bedbug populations and the rest of the MS spectra (123 bedbugs) were blind tested. All specimens were properly identified to the species level using MALDI-TOF MS and 86,25% (69/80) were aptly identified according to their origin with LSVs ranging from 1.867 to 2.861. MALDI-TOF MS appears as a reliable additional tool for the identification of these two anthropophilic species.
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Affiliation(s)
- Linda Benkacimi
- Aix Marseille Univ, IRD, AP-HM, SSA, VITROME, Marseille, France; IHU-Méditerranée Infection, Marseille, France
| | - Gladys Gazelle
- Aix Marseille Univ, IRD, AP-HM, SSA, VITROME, Marseille, France; IHU-Méditerranée Infection, Marseille, France
| | - Basma El Hamzaoui
- Aix Marseille Univ, IRD, AP-HM, SSA, VITROME, Marseille, France; IHU-Méditerranée Infection, Marseille, France
| | - Jean-Michel Bérenger
- Aix Marseille Univ, IRD, AP-HM, SSA, VITROME, Marseille, France; IHU-Méditerranée Infection, Marseille, France
| | - Philippe Parola
- Aix Marseille Univ, IRD, AP-HM, SSA, VITROME, Marseille, France; IHU-Méditerranée Infection, Marseille, France
| | - Maureen Laroche
- Aix Marseille Univ, IRD, AP-HM, SSA, VITROME, Marseille, France; IHU-Méditerranée Infection, Marseille, France.
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11
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Ouarti B, Laroche M, Righi S, Meguini MN, Benakhla A, Raoult D, Parola P. Development of MALDI-TOF mass spectrometry for the identification of lice isolated from farm animals. ACTA ACUST UNITED AC 2020; 27:28. [PMID: 32351208 PMCID: PMC7191974 DOI: 10.1051/parasite/2020026] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Accepted: 04/11/2020] [Indexed: 12/18/2022]
Abstract
Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) is now routinely used for the rapid identification of microorganisms isolated from clinical samples and has been recently successfully applied to the identification of arthropods. In the present study, this proteomics tool was used to identify lice collected from livestock and poultry in Algeria. The MALDI-TOF MS spectra of 408 adult specimens were measured for 14 species, including Bovicola bovis, B. ovis, B. caprae, Haematopinus eurysternus, Linognathus africanus, L. vituli, Solenopotes capillatus, Menacanthus stramineus, Menopon gallinae, Chelopistes meleagridis, Goniocotes gallinae, Goniodes gigas, Lipeurus caponis and laboratory reared Pediculus humanus corporis. Good quality spectra were obtained for 305 samples. Spectral analysis revealed intra-species reproducibility and inter-species specificity that were consistent with the morphological classification. A blind test of 248 specimens was performed against the in-lab database upgraded with new spectra and validated using molecular tools. With identification percentages ranging from 76% to 100% alongside high identification scores (mean = 2.115), this study proposes MALDI-TOF MS as an effective tool for discriminating lice species.
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Affiliation(s)
- Basma Ouarti
- Aix Marseille Univ., IRD, AP-HM, SSA, VITROME, 13005 Marseille, France - IHU-Méditerranée Infection, 19-21 Boulevard Jean Moulin, 13005 Marseille, France
| | - Maureen Laroche
- Aix Marseille Univ., IRD, AP-HM, SSA, VITROME, 13005 Marseille, France - IHU-Méditerranée Infection, 19-21 Boulevard Jean Moulin, 13005 Marseille, France
| | - Souad Righi
- Université Chadli Bendjdid, Département des sciences Vétérinaire, 36000 El Tarf, Algeria
| | - Mohamed Nadir Meguini
- Université Chadli Bendjdid, Département des sciences Vétérinaire, 36000 El Tarf, Algeria - Institut des Sciences Vétérinaire et Agronomiques, Université Mohamed Cherif Messaadia, 41000 Souk-Ahras, Algeria
| | - Ahmed Benakhla
- Université Chadli Bendjdid, Département des sciences Vétérinaire, 36000 El Tarf, Algeria
| | - Didier Raoult
- IHU-Méditerranée Infection, 19-21 Boulevard Jean Moulin, 13005 Marseille, France - Aix Marseille Univ., IRD, AP-HM, MEPHI, 13005 Marseille, France
| | - Philippe Parola
- Aix Marseille Univ., IRD, AP-HM, SSA, VITROME, 13005 Marseille, France - IHU-Méditerranée Infection, 19-21 Boulevard Jean Moulin, 13005 Marseille, France
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12
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Karadjian G, Bilska-Zając E, Bahn P, Py JS, Johne A, Gassilloud B, Różycki M, Cencek T, Mayer-Scholl A, Vallée I. Species identification of Trichinella originated from various host and different geographical location by MALDI-TOF. Exp Parasitol 2020; 213:107890. [PMID: 32272128 DOI: 10.1016/j.exppara.2020.107890] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 03/24/2020] [Accepted: 03/31/2020] [Indexed: 12/17/2022]
Abstract
The foodborne zoonotic nematode Trichinella spp. can cause human trichinellosis when raw or undercooked contaminated meat is ingested. To date, twelve Trichinella species/genotypes have been described. According to EU regulation any Trichinella larvae detected during mandatory routine examinations need to be identified at a species level by a competent laboratory. Currently, Trichinella species identification is performed using molecular biology tools such as multiplex PCR, PCR-sequencing or PCR-RFLP. These techniques require high level of skills for good interpretation of the results. Due to its rapidness and ease of use a matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) protocol was previously developed for the identification of Trichinella species. Using this method, spectra from different Trichinella species and strains were acquired allowing to generate new Main Spectra (MSP). Finally a new MSP database from Trichinella spp. Samples of different countries (France, Germany and Poland), including field samples, was generated. Comparing the different main spectra, Trichinella worms were identified at the species level and differences in the genetic diversities within the different species are discussed. In conclusion, using the previously described method on field samples is a reliable, rapid, easy-to-use and cheap tool for Trichinella species identification. The new Trichinella database could be incremented with new samples. It constitutes a tool, which could be used as an alternative method to replace the actual molecular methods for Trichinella species identification.
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Affiliation(s)
- Gregory Karadjian
- JRU BIPAR, ANSES, Alfort National Veterinary School, INRA, Animal Health Laboratory, 14 Rue Pierre et Marie Curie, 94701, Maisons-Alfort Cedex, France.
| | - Ewa Bilska-Zając
- Department of Parasitology and Invasive Diseases, National Veterinary Research Institute in Pulawy, Al. Partyzantow 57, 24-100, Pulawy, Poland.
| | - Peter Bahn
- Department Biological Safety, German Federal Institute for Risk Assessment, Berlin, Germany
| | - Jean-Sébastien Py
- ANSES, Nancy Laboratory for Hydrology, Water Microbiology Unit, MALDI-TOF Platform, Nancy, France
| | - Anette Johne
- Department Biological Safety, German Federal Institute for Risk Assessment, Berlin, Germany
| | - Benoit Gassilloud
- ANSES, Nancy Laboratory for Hydrology, Water Microbiology Unit, MALDI-TOF Platform, Nancy, France
| | - Mirosław Różycki
- Department of Parasitology and Invasive Diseases, National Veterinary Research Institute in Pulawy, Al. Partyzantow 57, 24-100, Pulawy, Poland
| | - Tomasz Cencek
- Department of Parasitology and Invasive Diseases, National Veterinary Research Institute in Pulawy, Al. Partyzantow 57, 24-100, Pulawy, Poland
| | - Anne Mayer-Scholl
- Department Biological Safety, German Federal Institute for Risk Assessment, Berlin, Germany
| | - Isabelle Vallée
- JRU BIPAR, ANSES, Alfort National Veterinary School, INRA, Animal Health Laboratory, 14 Rue Pierre et Marie Curie, 94701, Maisons-Alfort Cedex, France
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13
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Diarra AZ, Laroche M, Berger F, Parola P. Use of MALDI-TOF MS for the Identification of Chad Mosquitoes and the Origin of Their Blood Meal. Am J Trop Med Hyg 2019; 100:47-53. [PMID: 30526738 DOI: 10.4269/ajtmh.18-0657] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Matrix-assisted desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) is a clinical microbiology tool for the systematic identification of microorganisms. It has recently been presented as an innovative tool for the rapid and accurate identification of mosquitoes and their blood meal. To evaluate the capacity of this tool to identify mosquitoes collected in a tropical environment and preserved with silica gel, we analyzed 188 mosquitoes of different species collected in Chad, which were preserved with silica gel for 2 months. The MALDI-TOF MS analysis correctly identified 96% of the mosquitoes and 37.5% of their blood meals. Using MALDI-TOF MS and molecular biology, eight mosquito species were identified, including Anopheles gambiae s.l., Anopheles rufipes, Culex quinquefasciatus, Culex neavei, Culex pipiens, Culex perexiguus, Culex rima, and Culex watti. Blood meal identification revealed that mosquitoes fed mainly on humans, birds, and cows. Matrix-assisted desorption/ionization time-of-flight mass spectrometry appears to be a promising, fast, and reliable tool to identify mosquitoes and the origin of their blood meal for samples stored with silica gel.
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Affiliation(s)
- Adama Zan Diarra
- Aix Marseille Univ, IRD, AP-HM, SSA, VITROME, IHU Méditerranée Infection, Marseille, France.,Department of Epidemiology of Parasitic Diseases, Malaria Research and Training Center, University of Science, Techniques and Technologies of Bamako, Bamako, Mali
| | - Maureen Laroche
- Aix Marseille Univ, IRD, AP-HM, SSA, VITROME, IHU Méditerranée Infection, Marseille, France
| | - Franck Berger
- Aix Marseille Univ, Inserm, IRD, SESSTIM, Sciences Economiques & Sociales de la Santé & Traitement de l'Information Médicale, Marseille, France.,SSA, CESPA, Marseille, France
| | - Philippe Parola
- Aix Marseille Univ, IRD, AP-HM, SSA, VITROME, IHU Méditerranée Infection, Marseille, France
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14
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Boyer PH, Almeras L, Plantard O, Grillon A, Talagrand-Reboul É, McCoy K, Jaulhac B, Boulanger N. Identification of closely related Ixodes species by protein profiling with MALDI-TOF mass spectrometry. PLoS One 2019; 14:e0223735. [PMID: 31622384 PMCID: PMC6797106 DOI: 10.1371/journal.pone.0223735] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Accepted: 09/26/2019] [Indexed: 12/22/2022] Open
Abstract
Ticks are vectors of infectious diseases of major importance in human and veterinary medicine. For epidemiological studies, accurate identification of ticks is crucial to define their potential role as vectors and to develop control and prevention strategies. Although morphological and molecular methods are widely used to identify ticks, an innovative approach using MALDI-TOF MS technology recently emerged as an alternative tool. Previous works showed that MALDI-TOF MS was highly effective in identifying ticks, but these works mainly tested tick specimens of different genera. To confirm the accuracy of this new tool for tick identification, nine closely related tick species belonging to the Ixodes genus were analysed, specimens of the Dermacentor reticulatus species were also included in the analysis as an outer group. Three of the species used for the present study belonged to the I. ricinus species complex, which are known to transmit Borrelia burgdorferi sensu lato, the causative agent of Lyme borreliosis. A total of 246 tick specimens were submitted to MALDI-TOF MS analysis, and two body parts (half-idiosoma and four legs) were individually investigated. For each body part, intraspecies reproducibility and interspecies specificity of the MS profiles were determined. The profile analysis revealed that the main determinant for spectra clustering was the tick species for both legs and half-idiosoma. For each body part, a reference database of spectra was set up including 2 to 5 specimens per species randomly selected, and genotyped using 16s rDNA and COI genes to confirm their morphological identification. Both created spectral databases were individually blind tested with their respective body part using the remaining specimens, which were correctly identified in 98.5% of the cases. MALDI-TOF MS is a reliable tool for tick identification, including specimens belonging to closely related species and hardly distinguishable using morphology. The 4-legs as well as the half-idiosoma of ticks can now be applied for specimen identification using two different databases. The combined use of these two body parts improves the rate of tick identification and their confidence level.
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Affiliation(s)
- Pierre H. Boyer
- EA 7290: Early Bacterial Virulence: Borrelia Group, CHRU Strasbourg, Fédération de Médecine Translationnelle, Strasbourg, France
| | - Lionel Almeras
- Unité Parasitologie et Entomologie, Département Microbiologie et maladies infectieuses, Institut de Recherche Biomédicale des Armées, Marseille, France
- Aix Marseille Univ, IRD, SSA, AP-HM, VITROME, Marseille, France
- IHU Méditerranée Infection, Marseille, France
| | - Olivier Plantard
- BIOEPAR, INRA, Oniris, Université Bretagne Loire, Nantes, France
| | - Antoine Grillon
- EA 7290: Early Bacterial Virulence: Borrelia Group, CHRU Strasbourg, Fédération de Médecine Translationnelle, Strasbourg, France
| | - Émilie Talagrand-Reboul
- EA 7290: Early Bacterial Virulence: Borrelia Group, CHRU Strasbourg, Fédération de Médecine Translationnelle, Strasbourg, France
| | - Karen McCoy
- Maladies Infectieuses & Vecteurs: Ecologie, Génétique, Evolution & Contrôle (MIVEGEC), Université de Montpellier–CNRS—IRD, Centre IRD, Montpellier, France
| | - Benoît Jaulhac
- EA 7290: Early Bacterial Virulence: Borrelia Group, CHRU Strasbourg, Fédération de Médecine Translationnelle, Strasbourg, France
- French National Reference Center for Borrelia, Hôpitaux Universitaires de Strasbourg, Strasbourg, France
| | - Nathalie Boulanger
- EA 7290: Early Bacterial Virulence: Borrelia Group, CHRU Strasbourg, Fédération de Médecine Translationnelle, Strasbourg, France
- French National Reference Center for Borrelia, Hôpitaux Universitaires de Strasbourg, Strasbourg, France
- * E-mail:
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15
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Feucherolles M, Poppert S, Utzinger J, Becker SL. MALDI-TOF mass spectrometry as a diagnostic tool in human and veterinary helminthology: a systematic review. Parasit Vectors 2019; 12:245. [PMID: 31101120 PMCID: PMC6525464 DOI: 10.1186/s13071-019-3493-9] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Accepted: 05/06/2019] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND Matrix-assisted laser desorption/ionization-time of flight (MALDI-TOF) mass spectrometry (MS) has become a widely used technique for the rapid and accurate identification of bacteria, mycobacteria and certain fungal pathogens in the clinical microbiology laboratory. Thus far, only few attempts have been made to apply the technique in clinical parasitology, particularly regarding helminth identification. METHODS We systematically reviewed the scientific literature on studies pertaining to MALDI-TOF MS as a diagnostic technique for helminths (cestodes, nematodes and trematodes) of medical and veterinary importance. Readily available electronic databases (i.e. PubMed/MEDLINE, ScienceDirect, Cochrane Library, Web of Science and Google Scholar) were searched from inception to 10 October 2018, without restriction on year of publication or language. The titles and abstracts of studies were screened for eligibility by two independent reviewers. Relevant articles were read in full and included in the systematic review. RESULTS A total of 84 peer-reviewed articles were considered for the final analysis. Most papers reported on the application of MALDI-TOF for the study of Caenorhabditis elegans, and the technique was primarily used for identification of specific proteins rather than entire pathogens. Since 2015, a small number of studies documented the successful use of MALDI-TOF MS for species-specific identification of nematodes of human and veterinary importance, such as Trichinella spp. and Dirofilaria spp. However, the quality of available data and the number of examined helminth samples was low. CONCLUSIONS Data on the use of MALDI-TOF MS for the diagnosis of helminths are scarce, but recent evidence suggests a potential role for a reliable identification of nematodes. Future research should explore the diagnostic accuracy of MALDI-TOF MS for identification of (i) adult helminths, larvae and eggs shed in faecal samples; and (ii) helminth-related proteins that are detectable in serum or body fluids of infected individuals.
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Affiliation(s)
- Maureen Feucherolles
- Institute of Medical Microbiology and Hygiene, Saarland University, Homburg/Saar, Germany
- Luxembourg Institute of Science and Technology, Environmental Research and Innovation, Belvaux, Luxembourg
| | - Sven Poppert
- Swiss Tropical and Public Health Institute, Basel, Switzerland
- University of Basel, Basel, Switzerland
| | - Jürg Utzinger
- Swiss Tropical and Public Health Institute, Basel, Switzerland
- University of Basel, Basel, Switzerland
| | - Sören L Becker
- Institute of Medical Microbiology and Hygiene, Saarland University, Homburg/Saar, Germany.
- Swiss Tropical and Public Health Institute, Basel, Switzerland.
- University of Basel, Basel, Switzerland.
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16
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Khanmohammadi M, Falak R, Meamar AR, Razmjou E, Mokhtarian K, Arshadi M, Shayanfar N, Akhlaghi L. Application of Dirofilaria immitis
immunoreactive proteins in serodiagnosis. Parasite Immunol 2018; 41:e12598. [DOI: 10.1111/pim.12598] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2018] [Revised: 08/07/2018] [Accepted: 10/10/2018] [Indexed: 11/26/2022]
Affiliation(s)
- Majid Khanmohammadi
- Department of Parasitology and Mycology; School of Medicine; Iran University of Medical Sciences; Tehran Iran
| | - Reza Falak
- Immunology Research Center; Iran University of Medical Sciences; Tehran Iran
- Department of Immunology; School of Medicine; Iran University of Medical Sciences; Tehran Iran
| | - Ahmad Reza Meamar
- Department of Parasitology and Mycology; School of Medicine; Iran University of Medical Sciences; Tehran Iran
| | - Elham Razmjou
- Department of Parasitology and Mycology; School of Medicine; Iran University of Medical Sciences; Tehran Iran
| | - Kobra Mokhtarian
- Medical Plant Research Center; Basic Health Sciences Institute; Shahrekord University of Medical Sciences; Shahrekord Iran
| | - Mehdi Arshadi
- Department of Parasitology and Mycology; School of Medicine; Iran University of Medical Sciences; Tehran Iran
| | - Nasrin Shayanfar
- Department of pathology; School of Medicine; Iran University of Medical Sciences; Tehran Iran
| | - Lame Akhlaghi
- Department of Parasitology and Mycology; School of Medicine; Iran University of Medical Sciences; Tehran Iran
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17
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Vega-Rúa A, Pagès N, Fontaine A, Nuccio C, Hery L, Goindin D, Gustave J, Almeras L. Improvement of mosquito identification by MALDI-TOF MS biotyping using protein signatures from two body parts. Parasit Vectors 2018; 11:574. [PMID: 30390691 PMCID: PMC6215610 DOI: 10.1186/s13071-018-3157-1] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Accepted: 10/17/2018] [Indexed: 11/22/2022] Open
Abstract
Background Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry technology (MALDI-TOF MS) is an innovative tool that has been shown to be effective for the identification of numerous arthropod groups including mosquitoes. A critical step in the implementation of MALDI-TOF MS identification is the creation of spectra databases (DB) for the species of interest. Mosquito legs were the body part most frequently used to create identification DB. However, legs are one of the most fragile mosquito compartments, which can put identification at risk. Here, we assessed whether mosquito thoraxes could also be used as a relevant body part for mosquito species identification using a MALDI-TOF MS biotyping strategy; we propose a double DB query strategy to reinforce identification success. Methods Thoraxes and legs from 91 mosquito specimens belonging to seven mosquito species collected in six localities from Guadeloupe, and two laboratory strains, Aedes aegypti BORA and Aedes albopictus Marseille, were dissected and analyzed by MALDI-TOF MS. Molecular identification using cox1 gene sequencing was also conducted on representative specimens to confirm their identification. Results MS profiles obtained with both thoraxes and legs were highly compartment-specific, species-specific and species-reproducible, allowing high identification scores (log-score values, LSVs) when queried against the in-house MS reference spectra DB (thorax LSVs range: 2.260–2.783, leg LSVs range: 2.132–2.753). Conclusions Both thoraxes and legs could be used for a double DB query in order to reinforce the success and accuracy of MALDI-TOF MS identification. Electronic supplementary material The online version of this article (10.1186/s13071-018-3157-1) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Anubis Vega-Rúa
- Laboratory of Vector Control Research, Environment and Health Unit, Institut Pasteur de la Guadeloupe, 97183, Les Abymes, Guadeloupe, France.
| | - Nonito Pagès
- CIRAD, UMR ASTRE, F-97170, Petit Bourg, Guadeloupe, France.,ASTRE, CIRAD, INRA, University of Montpellier, Montpellier, France
| | - Albin Fontaine
- Unité de Parasitologie et Entomologie, Département des Maladies Infectieuses, Institut de Recherche Biomédicale des Armées, Marseille, France.,Aix Marseille Université, IRD, AP-HM, SSA, UMR Vecteurs - Infections Tropicales et Méditerranéennes (VITROME), IHU - Méditerranée Infection, 19-21 bd Jean Moulin, 13385, Marseille, cedex 5, France
| | - Christopher Nuccio
- Aix Marseille Université, INSERM, SSA, IRBA, MCT, 13005, Marseille, France
| | - Lyza Hery
- Laboratory of Vector Control Research, Environment and Health Unit, Institut Pasteur de la Guadeloupe, 97183, Les Abymes, Guadeloupe, France
| | - Daniella Goindin
- Laboratory of Vector Control Research, Environment and Health Unit, Institut Pasteur de la Guadeloupe, 97183, Les Abymes, Guadeloupe, France
| | - Joel Gustave
- Vector Control Service of Guadeloupe, Regional Health Agency, Airport Zone South Raizet, 97139, Les Abymes, Guadeloupe, France
| | - Lionel Almeras
- Unité de Parasitologie et Entomologie, Département des Maladies Infectieuses, Institut de Recherche Biomédicale des Armées, Marseille, France.,Aix Marseille Université, IRD, AP-HM, SSA, UMR Vecteurs - Infections Tropicales et Méditerranéennes (VITROME), IHU - Méditerranée Infection, 19-21 bd Jean Moulin, 13385, Marseille, cedex 5, France
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18
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Chabriere E, Bassène H, Drancourt M, Sokhna C. MALDI-TOF MS and point of care are disruptive diagnostic tools in Africa. New Microbes New Infect 2018; 26:S83-S88. [PMID: 30402248 PMCID: PMC6205576 DOI: 10.1016/j.nmni.2018.08.020] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 08/30/2018] [Accepted: 08/30/2018] [Indexed: 12/13/2022] Open
Abstract
We review reviewing our experience of point-of-care and mass spectrometry in Senegal as two disruptive technologies promoting the rapid diagnosis of infection, permitting better medical management of patients.
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Affiliation(s)
- E. Chabriere
- Aix Marseille Université, IRD, APHM, MEPHI, IHU-Méditerranée Infection, Marseille, France
| | - H. Bassène
- Aix Marseille Université, IRD, APHM, VITROME, IHU-Méditerranée Infection, Marseille, France
- VITROME, Campus International IRD-UCAD de Hann, Dakar, Senegal
| | - M. Drancourt
- Aix Marseille Université, IRD, APHM, MEPHI, IHU-Méditerranée Infection, Marseille, France
| | - C. Sokhna
- Aix Marseille Université, IRD, APHM, VITROME, IHU-Méditerranée Infection, Marseille, France
- VITROME, Campus International IRD-UCAD de Hann, Dakar, Senegal
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