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Development of Three PCR Assays for the Differentiation between Echinococcus shiquicus, E. granulosus (G1 genotype), and E. multilocularis DNA in the Co-Endemic Region of Qinghai-Tibet plateau, China

Identifieur interne : 001572 ( Pmc/Curation ); précédent : 001571; suivant : 001573

Development of Three PCR Assays for the Differentiation between Echinococcus shiquicus, E. granulosus (G1 genotype), and E. multilocularis DNA in the Co-Endemic Region of Qinghai-Tibet plateau, China

Auteurs : Belgees Boufana ; Gérald Umhang ; Jiamin Qiu ; Xingwang Chen ; Samia Lahmar ; Franck Boué ; David Jenkins ; Philip Craig

Source :

RBID : PMC:3617872

Abstract

To investigate echinococcosis in co-endemic regions, three polymerase chain reaction (PCR) assays based on the amplification of a fragment within the NADH dehydrogenase subunit 1 (ND1) mitochondrial gene were optimized for the detection of Echinococcus shiquicus, Echinococcus granulosus G1, and Echinococcus multilocularis DNA derived from parasite tissue or canid fecal samples. Specificity using parasite tissue-derived DNA was found to be 100% except for E. shiquicus primers that faintly detected E. equinus DNA. Sensitivity of the three assays for DNA detection was between 2 and 10 pg. Ethanol precipitation of negative PCR fecal samples was used to eliminate false negatives and served to increase sensitivity as exemplified by an increase in detection from 0% to 89% of E. shiquicus coproDNA using necropsy-positive fox samples.


Url:
DOI: 10.4269/ajtmh.12-0331
PubMed: 23438764
PubMed Central: 3617872

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PMC:3617872

Le document en format XML

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<title xml:lang="en">Development of Three PCR Assays for the Differentiation between
<italic>Echinococcus shiquicus</italic>
,
<italic>E. granulosus</italic>
(G1 genotype), and
<italic>E. multilocularis</italic>
DNA in the Co-Endemic Region of Qinghai-Tibet plateau, China</title>
<author>
<name sortKey="Boufana, Belgees" sort="Boufana, Belgees" uniqKey="Boufana B" first="Belgees" last="Boufana">Belgees Boufana</name>
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<name sortKey="Umhang, Gerald" sort="Umhang, Gerald" uniqKey="Umhang G" first="Gérald" last="Umhang">Gérald Umhang</name>
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<name sortKey="Qiu, Jiamin" sort="Qiu, Jiamin" uniqKey="Qiu J" first="Jiamin" last="Qiu">Jiamin Qiu</name>
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<name sortKey="Chen, Xingwang" sort="Chen, Xingwang" uniqKey="Chen X" first="Xingwang" last="Chen">Xingwang Chen</name>
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<name sortKey="Lahmar, Samia" sort="Lahmar, Samia" uniqKey="Lahmar S" first="Samia" last="Lahmar">Samia Lahmar</name>
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<name sortKey="Boue, Franck" sort="Boue, Franck" uniqKey="Boue F" first="Franck" last="Boué">Franck Boué</name>
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<name sortKey="Jenkins, David" sort="Jenkins, David" uniqKey="Jenkins D" first="David" last="Jenkins">David Jenkins</name>
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DNA in the Co-Endemic Region of Qinghai-Tibet plateau, China</title>
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<title level="j">The American Journal of Tropical Medicine and Hygiene</title>
<idno type="ISSN">0002-9637</idno>
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<p>To investigate echinococcosis in co-endemic regions, three polymerase chain reaction (PCR) assays based on the amplification of a fragment within the NADH dehydrogenase subunit 1 (ND1) mitochondrial gene were optimized for the detection of
<italic>Echinococcus shiquicus</italic>
,
<italic>Echinococcus granulosus</italic>
G1, and
<italic>Echinococcus multilocularis</italic>
DNA derived from parasite tissue or canid fecal samples. Specificity using parasite tissue-derived DNA was found to be 100% except for
<italic>E. shiquicus</italic>
primers that faintly detected
<italic>E. equinus</italic>
DNA. Sensitivity of the three assays for DNA detection was between 2 and 10 pg. Ethanol precipitation of negative PCR fecal samples was used to eliminate false negatives and served to increase sensitivity as exemplified by an increase in detection from 0% to 89% of
<italic>E. shiquicus</italic>
coproDNA using necropsy-positive fox samples.</p>
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<journal-id journal-id-type="nlm-ta">Am J Trop Med Hyg</journal-id>
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<article-id pub-id-type="pmc">3617872</article-id>
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<article-title>Development of Three PCR Assays for the Differentiation between
<italic>Echinococcus shiquicus</italic>
,
<italic>E. granulosus</italic>
(G1 genotype), and
<italic>E. multilocularis</italic>
DNA in the Co-Endemic Region of Qinghai-Tibet plateau, China</article-title>
<alt-title alt-title-type="left-running-head">BOUFANA AND OTHERS</alt-title>
<alt-title alt-title-type="right-running-head">DIFFERENTIATION OF
<italic>E. SHIQUICUS</italic>
,
<italic>E. GRANULOSUS</italic>
, AND
<italic>E. MULTILOCULARIS</italic>
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<name>
<surname>Boufana</surname>
<given-names>Belgees</given-names>
</name>
<xref ref-type="corresp" rid="COR1">*</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Umhang</surname>
<given-names>Gérald</given-names>
</name>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Qiu</surname>
<given-names>Jiamin</given-names>
</name>
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<contrib contrib-type="author">
<name>
<surname>Chen</surname>
<given-names>Xingwang</given-names>
</name>
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<contrib contrib-type="author">
<name>
<surname>Lahmar</surname>
<given-names>Samia</given-names>
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<given-names>Franck</given-names>
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<surname>Jenkins</surname>
<given-names>David</given-names>
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<contrib contrib-type="author">
<name>
<surname>Craig</surname>
<given-names>Philip</given-names>
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<aff id="AFF1">Cestode Zoonoses Research Group, School of Environment and Life Sciences, University of Salford, Salford, Greater Manchester, United Kingdom; French Agency for Food, Environmental and Occupational Health and Safety (ANSES), Nancy Rabies and Wildlife Laboratory, Technopole Agricole et Vétérinaire, Malzéville, France; Institute of Parasitic Diseases, Sichuan Centre for Disease Control and Prevention, Chengdu, Sichuan, China; Service de Parasitologie, Ecole Nationale de Medecine Veterinaire, Sidi Thabet, Tunisia; School of Animal and Veterinary Sciences, Charles Sturt University, New South Wales, Australia</aff>
<author-notes>
<corresp id="COR1">*Address correspondence to Belgees Boufana, Cestode Zoonoses Research Group, School of Enviroment and Life Sciences, University of Salford, United Kingdom. E-mail:
<email>B.Boufana@salford.ac.uk</email>
</corresp>
</author-notes>
<pub-date pub-type="ppub">
<day>03</day>
<month>4</month>
<year>2013</year>
</pub-date>
<volume>88</volume>
<issue>4</issue>
<fpage>795</fpage>
<lpage>802</lpage>
<history>
<date date-type="received">
<day>21</day>
<month>5</month>
<year>2012</year>
</date>
<date date-type="accepted">
<day>03</day>
<month>12</month>
<year>2012</year>
</date>
</history>
<permissions>
<copyright-statement>©The American Society of Tropical Medicine and Hygiene</copyright-statement>
<copyright-year>2013</copyright-year>
</permissions>
<abstract>
<p>To investigate echinococcosis in co-endemic regions, three polymerase chain reaction (PCR) assays based on the amplification of a fragment within the NADH dehydrogenase subunit 1 (ND1) mitochondrial gene were optimized for the detection of
<italic>Echinococcus shiquicus</italic>
,
<italic>Echinococcus granulosus</italic>
G1, and
<italic>Echinococcus multilocularis</italic>
DNA derived from parasite tissue or canid fecal samples. Specificity using parasite tissue-derived DNA was found to be 100% except for
<italic>E. shiquicus</italic>
primers that faintly detected
<italic>E. equinus</italic>
DNA. Sensitivity of the three assays for DNA detection was between 2 and 10 pg. Ethanol precipitation of negative PCR fecal samples was used to eliminate false negatives and served to increase sensitivity as exemplified by an increase in detection from 0% to 89% of
<italic>E. shiquicus</italic>
coproDNA using necropsy-positive fox samples.</p>
</abstract>
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