First Detection of the Kdr Mutation T929I in Head Lice (Phthiraptera: Pediculidae) in Schoolchildren of the Metropolitan Area of Nuevo Leon and Yucatan, Mexico
The head louse Pediculus humanus capitis (De Geer) is a hematophagous ectoparasite that inhabits the human scalp. Infestations by this insect are commonly known as pediculosis, which is more common in younger groups. These infestations are asymptomatic; however, skin irritation from scratching occas...
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| Veröffentlicht in: | Journal of medical entomology 2017-07, Vol.54 (4), p.1025-1030 |
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| creator | Ponce-Garcia, Gustavo Villanueva-Segura, Karina Trujillo-Rodriguez, Gerardo Rodriguez-Sanchez, Iram P. Lopez-Monroy, Beatriz Flores, Adriana E. |
| description | The head louse Pediculus humanus capitis (De Geer) is a hematophagous ectoparasite that inhabits the human scalp. Infestations by this insect are commonly known as pediculosis, which is more common in younger groups. These infestations are asymptomatic; however, skin irritation from scratching occasionally may cause secondary bacterial infections. In recent years, the prevalence of pediculosis has increased in children; this increase has been attributed to louse resistance to the insecticides used as a control measure for infestation. The aim of the present study was to determine the presence and frequency of the knockdown resistance mutation (kdr) T929I in 468 head lice collected from 32 elementary schools in the metropolitan area of Nuevo Leon (24) and Yucatan (8), Mexico. This is the first report of a knockdown resistance (kdr) mechanism in head lice from Mexico. The T929I mutation was present in all of the sampled schools, with variability observed in its allelic and genotypic frequencies. |
| doi_str_mv | 10.1093/jme/tjx045 |
| format | Article |
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Infestations by this insect are commonly known as pediculosis, which is more common in younger groups. These infestations are asymptomatic; however, skin irritation from scratching occasionally may cause secondary bacterial infections. In recent years, the prevalence of pediculosis has increased in children; this increase has been attributed to louse resistance to the insecticides used as a control measure for infestation. The aim of the present study was to determine the presence and frequency of the knockdown resistance mutation (kdr) T929I in 468 head lice collected from 32 elementary schools in the metropolitan area of Nuevo Leon (24) and Yucatan (8), Mexico. This is the first report of a knockdown resistance (kdr) mechanism in head lice from Mexico. The T929I mutation was present in all of the sampled schools, with variability observed in its allelic and genotypic frequencies.</description><identifier>ISSN: 0022-2585</identifier><identifier>EISSN: 1938-2928</identifier><identifier>DOI: 10.1093/jme/tjx045</identifier><identifier>PMID: 28399223</identifier><language>eng</language><publisher>England: Entomological Society of America</publisher><subject>Agrochemicals ; Animals ; Bacteria ; Bacterial diseases ; Base Sequence ; Child ; Children ; Ectoparasites ; Head ; Humans ; Infestation ; Insect Proteins - genetics ; Insecticide Resistance ; Insecticides ; Insecticides - pharmacology ; Irritation ; kdr ; Lice ; Lice Infestations - parasitology ; Metropolitan areas ; Mexico ; Mutation ; Pediculus - drug effects ; Pediculus - genetics ; Pediculus humanus ; Pediculus humanus capitis ; Pyrethrins - pharmacology ; pyrethroid ; Scalp ; Schools ; Scratching ; Sequence Alignment ; Skin ; T929I ; VECTOR CONTROL, PEST MANAGEMENT, RESISTANCE, REPELLENTS</subject><ispartof>Journal of medical entomology, 2017-07, Vol.54 (4), p.1025-1030</ispartof><rights>The Authors 2017. Published by Oxford University Press on behalf of Entomological Society of America. All rights reserved. For Permissions, please email: journals.permissions@oup.com journals.permissions@oup.com</rights><rights>The Authors 2017. Published by Oxford University Press on behalf of Entomological Society of America. All rights reserved. For Permissions, please email: journals.permissions@oup.com 2017</rights><rights>The Authors 2017. Published by Oxford University Press on behalf of Entomological Society of America. All rights reserved. For Permissions, please email: journals.permissions@oup.com.</rights><rights>Copyright Oxford University Press, UK Jul 2017</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-b444t-3949acd7a9c070a0dd2c2ee57826fcbdcae66f98c460d9b8c8fa746ead8474503</citedby><cites>FETCH-LOGICAL-b444t-3949acd7a9c070a0dd2c2ee57826fcbdcae66f98c460d9b8c8fa746ead8474503</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,1584,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/28399223$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Ponce-Garcia, Gustavo</creatorcontrib><creatorcontrib>Villanueva-Segura, Karina</creatorcontrib><creatorcontrib>Trujillo-Rodriguez, Gerardo</creatorcontrib><creatorcontrib>Rodriguez-Sanchez, Iram P.</creatorcontrib><creatorcontrib>Lopez-Monroy, Beatriz</creatorcontrib><creatorcontrib>Flores, Adriana E.</creatorcontrib><title>First Detection of the Kdr Mutation T929I in Head Lice (Phthiraptera: Pediculidae) in Schoolchildren of the Metropolitan Area of Nuevo Leon and Yucatan, Mexico</title><title>Journal of medical entomology</title><addtitle>J Med Entomol</addtitle><description>The head louse Pediculus humanus capitis (De Geer) is a hematophagous ectoparasite that inhabits the human scalp. Infestations by this insect are commonly known as pediculosis, which is more common in younger groups. These infestations are asymptomatic; however, skin irritation from scratching occasionally may cause secondary bacterial infections. In recent years, the prevalence of pediculosis has increased in children; this increase has been attributed to louse resistance to the insecticides used as a control measure for infestation. The aim of the present study was to determine the presence and frequency of the knockdown resistance mutation (kdr) T929I in 468 head lice collected from 32 elementary schools in the metropolitan area of Nuevo Leon (24) and Yucatan (8), Mexico. This is the first report of a knockdown resistance (kdr) mechanism in head lice from Mexico. The T929I mutation was present in all of the sampled schools, with variability observed in its allelic and genotypic frequencies.</description><subject>Agrochemicals</subject><subject>Animals</subject><subject>Bacteria</subject><subject>Bacterial diseases</subject><subject>Base Sequence</subject><subject>Child</subject><subject>Children</subject><subject>Ectoparasites</subject><subject>Head</subject><subject>Humans</subject><subject>Infestation</subject><subject>Insect Proteins - genetics</subject><subject>Insecticide Resistance</subject><subject>Insecticides</subject><subject>Insecticides - pharmacology</subject><subject>Irritation</subject><subject>kdr</subject><subject>Lice</subject><subject>Lice Infestations - parasitology</subject><subject>Metropolitan areas</subject><subject>Mexico</subject><subject>Mutation</subject><subject>Pediculus - drug effects</subject><subject>Pediculus - genetics</subject><subject>Pediculus humanus</subject><subject>Pediculus humanus capitis</subject><subject>Pyrethrins - pharmacology</subject><subject>pyrethroid</subject><subject>Scalp</subject><subject>Schools</subject><subject>Scratching</subject><subject>Sequence Alignment</subject><subject>Skin</subject><subject>T929I</subject><subject>VECTOR CONTROL, PEST MANAGEMENT, RESISTANCE, REPELLENTS</subject><issn>0022-2585</issn><issn>1938-2928</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp90ctO3DAUBmALtYIpZdMHqCxVSLQi4DhOYrNDtFzUoUWCLrqKHPtE8SgTB18q-jR91XqYgQULVpZ8Pv320Y_Qh5wc5UQUx4slHIfFA2HlFprlouAZFZS_QTNCKM1oycsd9M77BSGE50xsox3KCyEoLWbo37lxPuCvEEAFY0dsOxx6wN-1w9cxyMe7O0HFFTYjvgSp8dwowAc3feiNk1MAJ0_wDWij4mC0hM8reKt6awfVm0E7eA69huDsZAcT5IhPHcjV4EeEPxbPIb0jR41_RyXT-DDhB6Pse_S2k4OHvc25i36df7s7u8zmPy-uzk7nWcsYC1khmJBK11IoUhNJtKaKApQ1p1WnWq0kVFUnuGIV0aLlineyZlVah7OalaTYRQfr3MnZ-wg-NEvjFQyDHMFG3-Sc16SkVcET_fSCLmx0Y_pdkwteVlzkdZHUl7VSznrvoGsmZ5bS_W1y0qxqa1Jtzbq2hD9uImO7BP1Mn3pKYH8NbJxeD9qs0RprR3iN_gcoXK6I</recordid><startdate>20170701</startdate><enddate>20170701</enddate><creator>Ponce-Garcia, Gustavo</creator><creator>Villanueva-Segura, Karina</creator><creator>Trujillo-Rodriguez, Gerardo</creator><creator>Rodriguez-Sanchez, Iram P.</creator><creator>Lopez-Monroy, Beatriz</creator><creator>Flores, Adriana E.</creator><general>Entomological Society of America</general><general>Oxford University Press</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8C1</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>M0S</scope><scope>M1P</scope><scope>PATMY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PYCSY</scope><scope>7X8</scope></search><sort><creationdate>20170701</creationdate><title>First Detection of the Kdr Mutation T929I in Head Lice (Phthiraptera: Pediculidae) in Schoolchildren of the Metropolitan Area of Nuevo Leon and Yucatan, Mexico</title><author>Ponce-Garcia, Gustavo ; 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Infestations by this insect are commonly known as pediculosis, which is more common in younger groups. These infestations are asymptomatic; however, skin irritation from scratching occasionally may cause secondary bacterial infections. In recent years, the prevalence of pediculosis has increased in children; this increase has been attributed to louse resistance to the insecticides used as a control measure for infestation. The aim of the present study was to determine the presence and frequency of the knockdown resistance mutation (kdr) T929I in 468 head lice collected from 32 elementary schools in the metropolitan area of Nuevo Leon (24) and Yucatan (8), Mexico. This is the first report of a knockdown resistance (kdr) mechanism in head lice from Mexico. The T929I mutation was present in all of the sampled schools, with variability observed in its allelic and genotypic frequencies.</abstract><cop>England</cop><pub>Entomological Society of America</pub><pmid>28399223</pmid><doi>10.1093/jme/tjx045</doi><tpages>6</tpages></addata></record> |
| fulltext | fulltext |
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| ispartof | Journal of medical entomology, 2017-07, Vol.54 (4), p.1025-1030 |
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| source | MEDLINE; Oxford University Press Journals All Titles (1996-Current); Alma/SFX Local Collection |
| subjects | Agrochemicals Animals Bacteria Bacterial diseases Base Sequence Child Children Ectoparasites Head Humans Infestation Insect Proteins - genetics Insecticide Resistance Insecticides Insecticides - pharmacology Irritation kdr Lice Lice Infestations - parasitology Metropolitan areas Mexico Mutation Pediculus - drug effects Pediculus - genetics Pediculus humanus Pediculus humanus capitis Pyrethrins - pharmacology pyrethroid Scalp Schools Scratching Sequence Alignment Skin T929I VECTOR CONTROL, PEST MANAGEMENT, RESISTANCE, REPELLENTS |
| title | First Detection of the Kdr Mutation T929I in Head Lice (Phthiraptera: Pediculidae) in Schoolchildren of the Metropolitan Area of Nuevo Leon and Yucatan, Mexico |
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