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Mohammadi J, Azizi K, Alipour H, Kalantari M, Bagheri M, Shahriari-Namadi M, Ebrahimi S, Moemenbellah-Fard MD. Frequency of pyrethroid resistance in human head louse treatment: systematic review and meta-analysis. Parasite 2021; 28:86. [PMID: 34935614 PMCID: PMC8693761 DOI: 10.1051/parasite/2021083] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Accepted: 12/10/2021] [Indexed: 12/23/2022] Open
Abstract
Head lice (Pediculus humanus capitis) are one of the most common insects causing infestations in humans worldwide, and infestation is associated with adverse socio-economic and public health effects. The development of genetic insensitivity (e.g., target site insensitivity = knockdown resistance or kdr) to topical insecticides has impaired effective treatment. Therefore, this study was undertaken to review and meta-analyze the frequency of pyrethroid resistance in treated head louse populations from the beginning of 2000 to the end of June 2021 worldwide. In order to accomplish this, all English language articles published over this period were extracted and reviewed. Statistical analyses of data were performed using fixed and random effect model tests in meta-analysis, Cochrane, meta-regression and I2 index. A total of 24 articles from an initial sample size of 5033 were accepted into this systematic review. The mean frequency of pyrethroid resistance was estimated to be 76.9%. In collected resistant lice, 64.4% were homozygote and 30.3% were heterozygote resistant. Globally, four countries (Australia, England, Israel, and Turkey) have 100% kdr gene frequencies, likely resulting in the ineffectiveness of pyrethrin- and pyrethroid-based pediculicides. The highest resistance recorded in these studies was against permethrin. This study shows that pyrethroid resistance is found at relatively high frequencies in many countries. As a result, treatment with current insecticides may not be effective and is likely the cause of increased levels of infestations. It is recommended that resistance status be evaluated prior to insecticide treatment, to increase efficacy.
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Affiliation(s)
- Jalal Mohammadi
- Department of Biology and Control of Disease Vectors, School of Health, Shiraz University of Medical Sciences, 71645 Shiraz, Iran
| | - Kourosh Azizi
- Department of Biology and Control of Disease Vectors, School of Health, Shiraz University of Medical Sciences, 71645 Shiraz, Iran - Research Center for Health Sciences, Institute of Health, Shiraz University of Medical Sciences, 71645 Shiraz, Iran
| | - Hamzeh Alipour
- Department of Biology and Control of Disease Vectors, School of Health, Shiraz University of Medical Sciences, 71645 Shiraz, Iran - Research Center for Health Sciences, Institute of Health, Shiraz University of Medical Sciences, 71645 Shiraz, Iran
| | - Mohsen Kalantari
- Department of Biology and Control of Disease Vectors, School of Health, Shiraz University of Medical Sciences, 71645 Shiraz, Iran - Research Center for Health Sciences, Institute of Health, Shiraz University of Medical Sciences, 71645 Shiraz, Iran
| | - Masoumeh Bagheri
- Department of Biology and Control of Disease Vectors, School of Health, Shiraz University of Medical Sciences, 71645 Shiraz, Iran
| | - Marzieh Shahriari-Namadi
- Department of Biology and Control of Disease Vectors, School of Health, Shiraz University of Medical Sciences, 71645 Shiraz, Iran
| | | | - Mohammad D Moemenbellah-Fard
- Department of Biology and Control of Disease Vectors, School of Health, Shiraz University of Medical Sciences, 71645 Shiraz, Iran - Research Center for Health Sciences, Institute of Health, Shiraz University of Medical Sciences, 71645 Shiraz, Iran
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Fox K, Larkin K, Sanchez A. Global Trends in Genetic Markers of Pediculus humanus capitis Resistance Mechanisms. CURRENT TROPICAL MEDICINE REPORTS 2020. [DOI: 10.1007/s40475-020-00204-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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Mokhtar AS, Ling Lau Y, Wilson JJ, Abdul-Aziz NM. Genetic Diversity of Pediculus humanus capitis (Phthiraptera: Pediculidae) in Peninsular Malaysia and Molecular Detection of Its Potential Associated Pathogens. JOURNAL OF MEDICAL ENTOMOLOGY 2020; 57:915-926. [PMID: 31828310 DOI: 10.1093/jme/tjz234] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Indexed: 06/10/2023]
Abstract
Pediculosis capitis caused by Pediculus humanus capitis (De Geer) is endemic all over the world, and children are mostly affected, particularly those living in overcrowded institutions. Several studies have shown that P. h. capitis carried human pathogenic bacteria, suggesting the potential role of head lice in the transmission of pathogens to humans. In this study, we determined the genetic diversity of head lice collected from welfare homes sheltering underprivileged children by using DNA barcoding and demonstrated the presence of Acinetobacter spp., Serratia marcescens, and Staphylococcus aureus in head lice, which have never been investigated before in Malaysia. Cox1 DNA barcoding identified the head lice, P. h. capitis collected from welfare homes across two geographical areas of Peninsular Malaysia as belonging to clades A, B, and D. Acinetobacter bacteria: Acinetobacter guillouiae, Acinetobacter junii, Acinetobacter baumannii, and Acinetobacter nosocomialis were detected in head lice belonging to clades A and also D. In addition, DNA from S. marcescens and S. aureus were also detected in both clades A and D. To our knowledge, this is the first report on the genetic diversity of head lice in Malaysia through DNA barcoding, as well as the first to provide molecular evidence on the type of bacteria occurring in head lice in Malaysia. It is anticipated that the DNA barcoding technique used in this study will be able to provide rapid and accurate identification of arthropods, in particular, medically important ectoparasites.
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Affiliation(s)
- Aida Syafinaz Mokhtar
- Malaysian Life Science Accelerator, UM Centre of Innovation and Commercialization, University of Malaya, 50603 Kuala Lumpur, Malaysia
| | - Yee Ling Lau
- Department of Parasitology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - John-James Wilson
- International College Beijing, China Agricultural University, Beijing, P.R. China
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Boumbanda Koyo CS, Amanzougaghene N, Davoust B, Tshilolo L, Lekana-Douki JB, Raoult D, Mediannikov O, Fenollar F. Genetic diversity of human head lice and molecular detection of associated bacterial pathogens in Democratic Republic of Congo. Parasit Vectors 2019; 12:290. [PMID: 31174587 PMCID: PMC6555951 DOI: 10.1186/s13071-019-3540-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Accepted: 05/29/2019] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Head louse, Pediculus humanus capitis, is an obligatory blood-sucking ectoparasite, distributed worldwide. Phylogenetically, it occurs in five divergent mitochondrial clades (A-E); each exhibiting a particular geographical distribution. Recent studies suggest that, as in the case of body louse, head louse could be a disease vector. We aimed to study the genetic diversity of head lice collected in the Democratic Republic of the Congo (DR Congo) and to screen for louse-borne pathogens in these lice. METHODS A total of 181 head lice were collected from 27 individuals at the Monkole Hospital Center located in Kinshasa. All head lice were genotyped and screened for the presence of louse-borne bacteria using molecular methods. We searched for Bartonella quintana, Borrelia recurrentis, Rickettsia prowazekii, Anaplasma spp., Yersinia pestis, Coxiella burnetii and Acinetobacter spp. RESULTS Among these head lice, 67.4% (122/181) belonged to clade A and 24.3% (44/181) belonged to clade D. Additionally, for the first time in this area, we found clade E in 8.3% (15/181) of tested lice, from two infested individuals. Dual infestation with clades A and D was observed for 44.4% individuals. Thirty-three of the 181 head lice were infected only by different bacterial species of the genus Acinetobacter. Overall, 16 out of 27 individuals were infested (59.3%). Six Acinetobacter species were detected including Acinetobacter baumannii (8.3%), Acinetobacter johnsonii (1.7%), Acinetobacter soli (1.7%), Acinetobacter pittii (1.7%), Acinetobacter guillouiae (1.1%), as well as a new potential species named "Candidatus Acinetobacter pediculi". CONCLUSIONS To our knowledge, this study reports for the first time, the presence of clade E head lice in DR Congo. This study is also the first to report the presence of Acinetobacter species DNAs in human head lice in DR Congo.
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Affiliation(s)
- Celia Scherelle Boumbanda Koyo
- Aix Marseille Univ, IRD, AP-HM, SSA, VITROME, Marseille, France.,IHU-Méditerranée Infection, Marseille, France.,Unité d'Evolution Epidémiologie et Résistances Parasitaires (UNEEREP), Centre International de Recherches Médicales de Franceville (CIRMF), Franceville, Gabon.,Ecole Doctorale Régionale en Infectiologie Tropicale d'Afrique Centrale, Franceville, Gabon
| | - Nadia Amanzougaghene
- Aix Marseille Univ, IRD, AP-HM, MEPHI, Marseille, France.,IHU-Méditerranée Infection, Marseille, France
| | - Bernard Davoust
- Aix Marseille Univ, IRD, AP-HM, MEPHI, Marseille, France.,IHU-Méditerranée Infection, Marseille, France
| | - Leon Tshilolo
- Monkole Mother and Child Hospital, Kinshasa, Democratic Republic of the Congo
| | - Jean Bernard Lekana-Douki
- Unité d'Evolution Epidémiologie et Résistances Parasitaires (UNEEREP), Centre International de Recherches Médicales de Franceville (CIRMF), Franceville, Gabon.,Ecole Doctorale Régionale en Infectiologie Tropicale d'Afrique Centrale, Franceville, Gabon.,Département de Parasitologie-Mycologie Médecine Tropicale, Faculté de Médecine, Université des Sciences de la Santé (USS), Libreville, Gabon
| | - Didier Raoult
- Aix Marseille Univ, IRD, AP-HM, MEPHI, Marseille, France.,IHU-Méditerranée Infection, Marseille, France
| | - Oleg Mediannikov
- Aix Marseille Univ, IRD, AP-HM, MEPHI, Marseille, France. .,IHU-Méditerranée Infection, Marseille, France.
| | - Florence Fenollar
- Aix Marseille Univ, IRD, AP-HM, SSA, VITROME, Marseille, France.,IHU-Méditerranée Infection, Marseille, France
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Al-Shahrani SA, Alajmi RA, Ayaad TH, Al-Shahrani MA, Shaurub ESH. Genetic diversity of the human head lice, Pediculus humanus capitis, among primary school girls in Saudi Arabia, with reference to their prevalence. Parasitol Res 2017; 116:2637-2643. [DOI: 10.1007/s00436-017-5570-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2017] [Accepted: 07/25/2017] [Indexed: 01/17/2023]
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Host switching of human lice to new world monkeys in South America. INFECTION GENETICS AND EVOLUTION 2016; 39:225-231. [DOI: 10.1016/j.meegid.2016.02.008] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2015] [Revised: 02/05/2016] [Accepted: 02/06/2016] [Indexed: 11/19/2022]
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Ashfaq M, Prosser S, Nasir S, Masood M, Ratnasingham S, Hebert PDN. High diversity and rapid diversification in the head louse, Pediculus humanus (Pediculidae: Phthiraptera). Sci Rep 2015; 5:14188. [PMID: 26373806 PMCID: PMC4570997 DOI: 10.1038/srep14188] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2014] [Accepted: 08/18/2015] [Indexed: 12/15/2022] Open
Abstract
The study analyzes sequence variation of two mitochondrial genes (COI, cytb) in Pediculus humanus from three countries (Egypt, Pakistan, South Africa) that have received little prior attention, and integrates these results with prior data. Analysis indicates a maximum K2P distance of 10.3% among 960 COI sequences and 13.8% among 479 cytb sequences. Three analytical methods (BIN, PTP, ABGD) reveal five concordant OTUs for COI and cytb. Neighbor-Joining analysis of the COI sequences confirm five clusters; three corresponding to previously recognized mitochondrial clades A, B, C and two new clades, "D" and "E", showing 2.3% and 2.8% divergence from their nearest neighbors (NN). Cytb data corroborate five clusters showing that clades "D" and "E" are both 4.6% divergent from their respective NN clades. Phylogenetic analysis supports the monophyly of all clusters recovered by NJ analysis. Divergence time estimates suggest that the earliest split of P. humanus clades occurred slightly more than one million years ago (MYa) and the latest about 0.3 MYa. Sequence divergences in COI and cytb among the five clades of P. humanus are 10X those in their human host, a difference that likely reflects both rate acceleration and the acquisition of lice clades from several archaic hominid lineages.
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Affiliation(s)
- Muhammad Ashfaq
- Biodiversity Institute of Ontario, University of Guelph, Guelph, ON, Canada
| | - Sean Prosser
- Biodiversity Institute of Ontario, University of Guelph, Guelph, ON, Canada
| | - Saima Nasir
- Pakistan Council for Science and Technology, Islamabad, Pakistan
| | - Mariyam Masood
- National Institute for Biotechnology and Genetic Engineering, Jhang Road, Faisalabad, Pakistan
| | | | - Paul D N Hebert
- Biodiversity Institute of Ontario, University of Guelph, Guelph, ON, Canada
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Boutellis A, Bitam I, Fekir K, Mana N, Raoult D. Evidence that clade A and clade B head lice live in sympatry and recombine in Algeria. MEDICAL AND VETERINARY ENTOMOLOGY 2015; 29:94-98. [PMID: 25346378 DOI: 10.1111/mve.12058] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2013] [Revised: 09/29/2013] [Accepted: 10/18/2013] [Indexed: 06/04/2023]
Abstract
Pediculus humanus L. (Psocodea: Pediculidae) can be characterized into three deeply divergent lineages (clades) based on mitochondrial DNA. Clade A consists of both head lice and clothing lice and is distributed worldwide. Clade B consists of head lice only and is mainly found in North and Central America, and in western Europe and Australia. Clade C, which consists only of head lice, is found in Ethiopia, Nepal and Senegal. Twenty-six head lice collected from pupils at different elementary schools in two localities in Algiers (Algeria) were analysed using molecular methods for genotyping lice (cytochrome b and the multi-spacer typing (MST) method. For the first time, we found clade B head lice in Africa living in sympatry with clade A head lice. The phylogenetic analysis of the concatenated sequences of these populations of head lice showed that clade A and clade B head lice had recombined, suggesting that interbreeding occurs when lice live in sympatry.
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Affiliation(s)
- A Boutellis
- Unité de Recherche sur les Maladies Infectieuses et Tropicales Emergentes (URMITE), Centre National de la Recherche Scientifique (CNRS) Institut de Recherche pour le Développement (IRD 198 UMR 6236), University of Aix Marseilles, Faculté de Médecine, Marseilles, France
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Molecular survey of the head louse Pediculus humanus capitis in Thailand and its potential role for transmitting Acinetobacter spp. Parasit Vectors 2015; 8:127. [PMID: 25889008 PMCID: PMC4347573 DOI: 10.1186/s13071-015-0742-4] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2014] [Accepted: 02/16/2015] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Head louse infestation, which is caused by Pediculus humanus capitis, occurs throughout the world. With the advent of molecular techniques, head lice have been classified into three clades. Recent reports have demonstrated that pathogenic organisms could be found in head lice. Head lice and their pathogenic bacteria in Thailand have never been investigated. In this study, we determined the genetic diversity of head lice collected from various areas of Thailand and demonstrated the presence of Acinetobacter spp. in head lice. METHODS Total DNA was extracted from 275 head louse samples that were collected from several geographic regions of Thailand. PCR was used to amplify the head louse COI gene and for detection of Bartonella spp. and Acinetobacter spp. The amplified PCR amplicons were cloned and sequenced. The DNA sequences were analyzed via the neighbor-joining method using Kimura's 2-parameter model. RESULTS The phylogenetic tree based on the COI gene revealed that head lice in Thailand are clearly classified into two clades (A and C). Bartonella spp. was not detected in all the samples, whereas Acinetobacter spp. was detected in 10 samples (3.62%), which consisted of A. baumannii (1.45%), A. radioresistens (1.45%), and A. schindleri (0.72%). The relationship of Acinetobacter spp. and the head lice clades showed that Acinetobacter spp. was found in clade A and C. CONCLUSIONS Head lice in Thailand are classified into clade A and B based on the COI gene sequences. Pathogenic Acinetobacter spp. was detected in both clades. The data obtained from the study might assist in the development of effective strategies for head lice control in the future. Detection of pathogenic bacteria in head lice could raise awareness of head lice as a source of nosocomial bacterial infections.
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Boutellis A, Abi-Rached L, Raoult D. The origin and distribution of human lice in the world. INFECTION GENETICS AND EVOLUTION 2014; 23:209-17. [PMID: 24524985 DOI: 10.1016/j.meegid.2014.01.017] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2013] [Revised: 12/16/2013] [Accepted: 01/06/2014] [Indexed: 10/25/2022]
Abstract
Two genera of lice parasitize humans: Pthirus and Pediculus. The latter is of significant public health importance and comprises two ecotypes: the body louse and the head louse. These ecotypes are morphologically and genetically notably similar; the body louse is responsible for three infectious diseases: Louse-borne epidemic typhus, relapsing fever, and trench fever. Mitochondrial DNA studies have shown that there are three obviously divergent clades of head lice (A, B and C), and only one clade of body lice is shared with head lice (clade A). Each clade has a unique geographic distribution. Lice have been parasitizing humans for millions of years and likely dispersed throughout the World with the human migrations out of Africa, so they can be good markers for studying human evolution. Here, we present an overview of the origin of human lice and their role in vector pathogenic bacteria that caused epidemics, and we review the association between lice clades and human migrations.
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Affiliation(s)
- Amina Boutellis
- Unité de Recherche sur les Maladies Infectieuses et Tropicales Emergentes: URMITE, Aix Marseille Université, UMR CNRS 7278, IRD 198, INSERM 1095, Faculté de Médecine, 27 Bd Jean Moulin, 13005 Marseille, France
| | - Laurent Abi-Rached
- Centre National de la Recherche Scientifique, Laboratoire d'Analyse, Topologie, Probabilités - Unité Mixte de Recherche 7353, Equipe ATIP, Aix-Marseille Université, 13331 Marseille, France
| | - Didier Raoult
- Unité de Recherche sur les Maladies Infectieuses et Tropicales Emergentes: URMITE, Aix Marseille Université, UMR CNRS 7278, IRD 198, INSERM 1095, Faculté de Médecine, 27 Bd Jean Moulin, 13005 Marseille, France.
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