Survival of diurnally sub periodic Wuchereria bancrofti in Downsiomyia nivea (Diptera: Culicidae): a density dependent factor from Andaman & Nicobar Islands.
Identifieur interne : 001636 ( PubMed/Curation ); précédent : 001635; suivant : 001637Survival of diurnally sub periodic Wuchereria bancrofti in Downsiomyia nivea (Diptera: Culicidae): a density dependent factor from Andaman & Nicobar Islands.
Auteurs : A N Shriram [Inde] ; K. Krishnamoorthy ; P. VanamailSource :
- The Indian journal of medical research [ 0971-5916 ] ; 2014.
Descripteurs français
- KwdFr :
- Animaux, Culicidae (parasitologie), Culicidae (pathogénicité), Filariose lymphatique (), Filariose lymphatique (parasitologie), Filariose lymphatique (transmission), Filariose lymphatique (épidémiologie), Humains, Inde (épidémiologie), Larve (parasitologie), Prévalence, Saisons, Vecteurs insectes (parasitologie), Vecteurs insectes (pathogénicité), Wuchereria bancrofti (pathogénicité).
- MESH :
- parasitologie : Culicidae, Filariose lymphatique, Larve, Vecteurs insectes.
- pathogénicité : Culicidae, Vecteurs insectes, Wuchereria bancrofti.
- épidémiologie : Filariose lymphatique, Inde.
- Animaux, Filariose lymphatique, Humains, Prévalence, Saisons.
- Wicri :
- geographic : Inde.
English descriptors
- KwdEn :
- Animals, Culicidae (parasitology), Culicidae (pathogenicity), Elephantiasis, Filarial (epidemiology), Elephantiasis, Filarial (parasitology), Elephantiasis, Filarial (prevention & control), Elephantiasis, Filarial (transmission), Humans, India (epidemiology), Insect Vectors (parasitology), Insect Vectors (pathogenicity), Larva (parasitology), Prevalence, Seasons, Wuchereria bancrofti (pathogenicity).
- MESH :
- geographic , epidemiology : India.
- epidemiology : Elephantiasis, Filarial.
- parasitology : Culicidae, Elephantiasis, Filarial, Insect Vectors, Larva.
- pathogenicity : Culicidae, Insect Vectors, Wuchereria bancrofti.
- prevention & control : Elephantiasis, Filarial.
- transmission : Elephantiasis, Filarial.
- Animals, Humans, Prevalence, Seasons.
Abstract
In India, diurnally sub periodic Wuchereria bancrofti transmitted by Downsiomyia nivea is prevalent only in the Nicobar district of Andaman and Nicobar Islands. The ongoing LF elimination programme aims at transmission interruption by bringing down the microfilarie (mf) load in the community, which has implication on the parasite load in mosquito vector. Therefore, understanding density dependent constraints on transmission assumes significance from control perspective. The present study was undertaken in Teressa Island to understand the density dependent parasite mortality and survival probability of the parasite Do. nivea.
PubMed: 24604052
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Survival of diurnally sub periodic Wuchereria bancrofti in Downsiomyia nivea (Diptera: Culicidae): a density dependent factor from Andaman & Nicobar Islands.</title><author><name sortKey="Shriram, A N" sort="Shriram, A N" uniqKey="Shriram A" first="A N" last="Shriram">A N Shriram</name><affiliation wicri:level="1"><nlm:affiliation>Regional Medical Research Centre (ICMR), Port Blair, India.</nlm:affiliation><country xml:lang="fr">Inde</country><wicri:regionArea>Regional Medical Research Centre (ICMR), Port Blair</wicri:regionArea></affiliation></author><author><name sortKey="Krishnamoorthy, K" sort="Krishnamoorthy, K" uniqKey="Krishnamoorthy K" first="K" last="Krishnamoorthy">K. Krishnamoorthy</name></author><author><name sortKey="Vanamail, P" sort="Vanamail, P" uniqKey="Vanamail P" first="P" last="Vanamail">P. Vanamail</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2014">2014</date><idno type="RBID">pubmed:24604052</idno><idno type="pmid">24604052</idno><idno type="wicri:Area/PubMed/Corpus">001636</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">001636</idno><idno type="wicri:Area/PubMed/Curation">001636</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Curation">001636</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Survival of diurnally sub periodic Wuchereria bancrofti in Downsiomyia nivea (Diptera: Culicidae): a density dependent factor from Andaman & Nicobar Islands.</title><author><name sortKey="Shriram, A N" sort="Shriram, A N" uniqKey="Shriram A" first="A N" last="Shriram">A N Shriram</name><affiliation wicri:level="1"><nlm:affiliation>Regional Medical Research Centre (ICMR), Port Blair, India.</nlm:affiliation><country xml:lang="fr">Inde</country><wicri:regionArea>Regional Medical Research Centre (ICMR), Port Blair</wicri:regionArea></affiliation></author><author><name sortKey="Krishnamoorthy, K" sort="Krishnamoorthy, K" uniqKey="Krishnamoorthy K" first="K" last="Krishnamoorthy">K. Krishnamoorthy</name></author><author><name sortKey="Vanamail, P" sort="Vanamail, P" uniqKey="Vanamail P" first="P" last="Vanamail">P. Vanamail</name></author></analytic><series><title level="j">The Indian journal of medical research</title><idno type="ISSN">0971-5916</idno><imprint><date when="2014" type="published">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals</term><term>Culicidae (parasitology)</term><term>Culicidae (pathogenicity)</term><term>Elephantiasis, Filarial (epidemiology)</term><term>Elephantiasis, Filarial (parasitology)</term><term>Elephantiasis, Filarial (prevention & control)</term><term>Elephantiasis, Filarial (transmission)</term><term>Humans</term><term>India (epidemiology)</term><term>Insect Vectors (parasitology)</term><term>Insect Vectors (pathogenicity)</term><term>Larva (parasitology)</term><term>Prevalence</term><term>Seasons</term><term>Wuchereria bancrofti (pathogenicity)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Animaux</term><term>Culicidae (parasitologie)</term><term>Culicidae (pathogénicité)</term><term>Filariose lymphatique ()</term><term>Filariose lymphatique (parasitologie)</term><term>Filariose lymphatique (transmission)</term><term>Filariose lymphatique (épidémiologie)</term><term>Humains</term><term>Inde (épidémiologie)</term><term>Larve (parasitologie)</term><term>Prévalence</term><term>Saisons</term><term>Vecteurs insectes (parasitologie)</term><term>Vecteurs insectes (pathogénicité)</term><term>Wuchereria bancrofti (pathogénicité)</term></keywords><keywords scheme="MESH" type="geographic" qualifier="epidemiology" xml:lang="en"><term>India</term></keywords><keywords scheme="MESH" qualifier="epidemiology" xml:lang="en"><term>Elephantiasis, Filarial</term></keywords><keywords scheme="MESH" qualifier="parasitologie" xml:lang="fr"><term>Culicidae</term><term>Filariose lymphatique</term><term>Larve</term><term>Vecteurs insectes</term></keywords><keywords scheme="MESH" qualifier="parasitology" xml:lang="en"><term>Culicidae</term><term>Elephantiasis, Filarial</term><term>Insect Vectors</term><term>Larva</term></keywords><keywords scheme="MESH" qualifier="pathogenicity" xml:lang="en"><term>Culicidae</term><term>Insect Vectors</term><term>Wuchereria bancrofti</term></keywords><keywords scheme="MESH" qualifier="pathogénicité" xml:lang="fr"><term>Culicidae</term><term>Vecteurs insectes</term><term>Wuchereria bancrofti</term></keywords><keywords scheme="MESH" qualifier="prevention & control" xml:lang="en"><term>Elephantiasis, Filarial</term></keywords><keywords scheme="MESH" qualifier="transmission" xml:lang="en"><term>Elephantiasis, Filarial</term></keywords><keywords scheme="MESH" qualifier="épidémiologie" xml:lang="fr"><term>Filariose lymphatique</term><term>Inde</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>Humans</term><term>Prevalence</term><term>Seasons</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Animaux</term><term>Filariose lymphatique</term><term>Humains</term><term>Prévalence</term><term>Saisons</term></keywords><keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>Inde</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In India, diurnally sub periodic Wuchereria bancrofti transmitted by Downsiomyia nivea is prevalent only in the Nicobar district of Andaman and Nicobar Islands. The ongoing LF elimination programme aims at transmission interruption by bringing down the microfilarie (mf) load in the community, which has implication on the parasite load in mosquito vector. Therefore, understanding density dependent constraints on transmission assumes significance from control perspective. The present study was undertaken in Teressa Island to understand the density dependent parasite mortality and survival probability of the parasite Do. nivea.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">24604052</PMID><DateCreated><Year>2014</Year><Month>03</Month><Day>07</Day></DateCreated><DateCompleted><Year>2015</Year><Month>04</Month><Day>02</Day></DateCompleted><DateRevised><Year>2015</Year><Month>05</Month><Day>15</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0971-5916</ISSN><JournalIssue CitedMedium="Internet"><Volume>139</Volume><Issue>1</Issue><PubDate><Year>2014</Year><Month>Jan</Month></PubDate></JournalIssue><Title>The Indian journal of medical research</Title><ISOAbbreviation>Indian J. Med. Res.</ISOAbbreviation></Journal><ArticleTitle>Survival of diurnally sub periodic Wuchereria bancrofti in Downsiomyia nivea (Diptera: Culicidae): a density dependent factor from Andaman & Nicobar Islands.</ArticleTitle><Pagination><MedlinePgn>167-73</MedlinePgn></Pagination><Abstract><AbstractText Label="BACKGROUND & OBJECTIVES" NlmCategory="OBJECTIVE">In India, diurnally sub periodic Wuchereria bancrofti transmitted by Downsiomyia nivea is prevalent only in the Nicobar district of Andaman and Nicobar Islands. The ongoing LF elimination programme aims at transmission interruption by bringing down the microfilarie (mf) load in the community, which has implication on the parasite load in mosquito vector. Therefore, understanding density dependent constraints on transmission assumes significance from control perspective. The present study was undertaken in Teressa Island to understand the density dependent parasite mortality and survival probability of the parasite Do. nivea.</AbstractText><AbstractText Label="METHODS" NlmCategory="METHODS">The entomological data collected from Teressa Island, endemic for the diurnally sub periodic form of W. bancrofti were used to examine the parasite loss and its survival up to infectivity. Patterns of parasite distribution in Do. nivea were examined.</AbstractText><AbstractText Label="RESULTS" NlmCategory="RESULTS">Distribution patterns of microfilariae were found to be over dispersed in Do. nivea. The later stages of the parasite in the vector were randomly distributed. Distribution pattern of various filarial larval stages suggested that the loss of parasites occurred as development progressed and was maximal between the first and second stages. Further, both the prevalence of infection and the degree of parasite aggregation in the vector population have fallen significantly with development of parasite stage.</AbstractText><AbstractText Label="INTERPRETATION & CONCLUSIONS" NlmCategory="CONCLUSIONS">Results indicate the operation of parasite density dependent mortality of vectors or parasite loss or combination of both. The present study with Aedes transmitted filariasis conducted before launching LF elimination programme in the study area indicates a comparable level of parasite regulation in the vector which has similar implications on the transmission threshold. Thus, the consideration of Aedes with Culex in deriving the critical level of antigen positive for making decisions on cessation of mass drug administration (MDA) can be justified. However, with MDA aiming at reducing parasite load in the community, the operation of density dependent factor in the transmission becomes less pronounced in the subsequent rounds of MDA.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Shriram</LastName><ForeName>A N</ForeName><Initials>AN</Initials><AffiliationInfo><Affiliation>Regional Medical Research Centre (ICMR), Port Blair, India.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Krishnamoorthy</LastName><ForeName>K</ForeName><Initials>K</Initials></Author><Author ValidYN="Y"><LastName>Vanamail</LastName><ForeName>P</ForeName><Initials>P</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>India</Country><MedlineTA>Indian J Med Res</MedlineTA><NlmUniqueID>0374701</NlmUniqueID><ISSNLinking>0971-5916</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><CommentsCorrectionsList><CommentsCorrections RefType="Cites"><RefSource>Parasitology. 1998 Mar;116 ( Pt 3):243-55</RefSource><PMID Version="1">9550218</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>Acta Trop. 1995 Dec;60(3):159-65</RefSource><PMID Version="1">8907394</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>Indian J Med Res. 2008 Jan;127(1):37-43</RefSource><PMID Version="1">18316851</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>J Med Entomol. 2009 Jul;46(4):873-80</RefSource><PMID Version="1">19645292</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>Adv Exp Med Biol. 2010;673:13-31</RefSource><PMID Version="1">20632527</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>Parasitol Today. 2000 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Version="1">367299</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>Parasitology. 1982 Oct;85 (Pt 2):373-98</RefSource><PMID Version="1">7145478</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>Trans R Soc Trop Med Hyg. 1992 Sep-Oct;86(5):523-30</RefSource><PMID Version="1">1475823</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>J Commun Dis. 1992 Sep;24(3):173-84</RefSource><PMID Version="1">1344948</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>Am J Trop Med Hyg. 1994 Aug;51(2):244-9</RefSource><PMID Version="1">8074259</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>Trans R Soc Trop Med Hyg. 1995 Mar-Apr;89(2):163-6</RefSource><PMID Version="1">7778141</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>Am J Trop Med Hyg. 2005 Mar;72(3):273-7</RefSource><PMID Version="1">15772320</PMID></CommentsCorrections></CommentsCorrectionsList><MeshHeadingList><MeshHeading><DescriptorName UI="D000818" MajorTopicYN="N">Animals</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009033" MajorTopicYN="N">Culicidae</DescriptorName><QualifierName UI="Q000469" MajorTopicYN="N">parasitology</QualifierName><QualifierName UI="Q000472" MajorTopicYN="Y">pathogenicity</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D004605" MajorTopicYN="N">Elephantiasis, Filarial</DescriptorName><QualifierName UI="Q000453" MajorTopicYN="Y">epidemiology</QualifierName><QualifierName UI="Q000469" MajorTopicYN="N">parasitology</QualifierName><QualifierName UI="Q000517" MajorTopicYN="Y">prevention & control</QualifierName><QualifierName UI="Q000635" MajorTopicYN="N">transmission</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D007194" MajorTopicYN="N" Type="Geographic">India</DescriptorName><QualifierName UI="Q000453" MajorTopicYN="N">epidemiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D007303" MajorTopicYN="N">Insect Vectors</DescriptorName><QualifierName UI="Q000469" MajorTopicYN="N">parasitology</QualifierName><QualifierName UI="Q000472" MajorTopicYN="N">pathogenicity</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D007814" MajorTopicYN="N">Larva</DescriptorName><QualifierName UI="Q000469" MajorTopicYN="N">parasitology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D015995" MajorTopicYN="N">Prevalence</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D012621" MajorTopicYN="N">Seasons</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014958" MajorTopicYN="N">Wuchereria bancrofti</DescriptorName><QualifierName UI="Q000472" MajorTopicYN="Y">pathogenicity</QualifierName></MeshHeading></MeshHeadingList><OtherID Source="NLM">PMC3994733</OtherID></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2014</Year><Month>3</Month><Day>8</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2014</Year><Month>3</Month><Day>8</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2015</Year><Month>4</Month><Day>4</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">24604052</ArticleId><ArticleId IdType="pii">IndianJMedRes_2014_139_1_167_128378</ArticleId><ArticleId IdType="pmc">PMC3994733</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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