Is Rhodnius robustus (Hemiptera: Reduviidae) responsible for Chagas disease transmission in Western Venezuela?
We present evidence for the putative role of Rhodnius robustus as extradomestic vector of Chagas disease in Western Venezuela. First, we assessed the validity of this triatomine species by genetic characterization in relation with some other species of the prolixus group. Random amplified polymorphi...
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| Veröffentlicht in: | Tropical medicine & international health 2002-03, Vol.7 (3), p.280-287 |
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| creator | Feliciangeli, M. Dora Dujardin, Jean‐Pierre Bastrenta, Brigitte Mazzarri, Milena Villegas, Judith Flores, Maria Muñoz, Maruska |
| description | We present evidence for the putative role of Rhodnius robustus as extradomestic vector of Chagas disease in Western Venezuela. First, we assessed the validity of this triatomine species by genetic characterization in relation with some other species of the prolixus group. Random amplified polymorphic DNA data showed a clear separation between this species and R. prolixus and indicated a probable genetic heterogeneity within R. robustus. Faeces and gut contents were microscopically examined in 54 of 137 R. robustus collected in palm trees. According to this morphological examination, 18% were positive for Trypanosoma cruzi, 11% harboured T. rangeli and 11% showed mixed infection. Five of the seven samples examined gave a polymerase chain reaction major band of 270 bp specific of T. cruzi. The hybridization probes showed that R. robustus may transmit clones 20 and 39 (or genetically related ones) in Venezuela. Such a transmission might occur when, in absence of domestic R. prolixus and attracted by artificial light, R. robustus enters houses and feeds on humans, or when people are bitten outdoors. The lack of bugs inside houses could mean that the insects leave houses after feeding, or die without reproducing there. |
| doi_str_mv | 10.1046/j.1365-3156.2002.00853.x |
| format | Article |
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Dora ; Dujardin, Jean‐Pierre ; Bastrenta, Brigitte ; Mazzarri, Milena ; Villegas, Judith ; Flores, Maria ; Muñoz, Maruska</creator><creatorcontrib>Feliciangeli, M. Dora ; Dujardin, Jean‐Pierre ; Bastrenta, Brigitte ; Mazzarri, Milena ; Villegas, Judith ; Flores, Maria ; Muñoz, Maruska</creatorcontrib><description>We present evidence for the putative role of Rhodnius robustus as extradomestic vector of Chagas disease in Western Venezuela. First, we assessed the validity of this triatomine species by genetic characterization in relation with some other species of the prolixus group. Random amplified polymorphic DNA data showed a clear separation between this species and R. prolixus and indicated a probable genetic heterogeneity within R. robustus. Faeces and gut contents were microscopically examined in 54 of 137 R. robustus collected in palm trees. According to this morphological examination, 18% were positive for Trypanosoma cruzi, 11% harboured T. rangeli and 11% showed mixed infection. Five of the seven samples examined gave a polymerase chain reaction major band of 270 bp specific of T. cruzi. The hybridization probes showed that R. robustus may transmit clones 20 and 39 (or genetically related ones) in Venezuela. Such a transmission might occur when, in absence of domestic R. prolixus and attracted by artificial light, R. robustus enters houses and feeds on humans, or when people are bitten outdoors. 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Dora</creatorcontrib><creatorcontrib>Dujardin, Jean‐Pierre</creatorcontrib><creatorcontrib>Bastrenta, Brigitte</creatorcontrib><creatorcontrib>Mazzarri, Milena</creatorcontrib><creatorcontrib>Villegas, Judith</creatorcontrib><creatorcontrib>Flores, Maria</creatorcontrib><creatorcontrib>Muñoz, Maruska</creatorcontrib><title>Is Rhodnius robustus (Hemiptera: Reduviidae) responsible for Chagas disease transmission in Western Venezuela?</title><title>Tropical medicine & international health</title><addtitle>Trop Med Int Health</addtitle><description>We present evidence for the putative role of Rhodnius robustus as extradomestic vector of Chagas disease in Western Venezuela. First, we assessed the validity of this triatomine species by genetic characterization in relation with some other species of the prolixus group. Random amplified polymorphic DNA data showed a clear separation between this species and R. prolixus and indicated a probable genetic heterogeneity within R. robustus. Faeces and gut contents were microscopically examined in 54 of 137 R. robustus collected in palm trees. According to this morphological examination, 18% were positive for Trypanosoma cruzi, 11% harboured T. rangeli and 11% showed mixed infection. Five of the seven samples examined gave a polymerase chain reaction major band of 270 bp specific of T. cruzi. The hybridization probes showed that R. robustus may transmit clones 20 and 39 (or genetically related ones) in Venezuela. Such a transmission might occur when, in absence of domestic R. prolixus and attracted by artificial light, R. robustus enters houses and feeds on humans, or when people are bitten outdoors. The lack of bugs inside houses could mean that the insects leave houses after feeding, or die without reproducing there.</description><subject>Adult</subject><subject>Animals</subject><subject>Biological and medical sciences</subject><subject>Chagas disease</subject><subject>Chagas Disease - transmission</subject><subject>Disease Vectors</subject><subject>DNA - genetics</subject><subject>Female</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Humans</subject><subject>Infant, Newborn</subject><subject>Medically important nuisances and vectors, pests of stored products and materials: population survey and control</subject><subject>Polymerase Chain Reaction</subject><subject>Rhodnius - genetics</subject><subject>Rhodnius - parasitology</subject><subject>Rhodnius robustus</subject><subject>Tropical medicine</subject><subject>Trypanosoma cruzi</subject><subject>Trypanosoma cruzi - isolation & purification</subject><subject>Vectors. Intermediate hosts</subject><subject>Venezuela</subject><issn>1360-2276</issn><issn>1365-3156</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkF1rFDEUhoMotlb_guRGqRcznkw2MxMRpCxqFypCqXoZMskZm2U2s83Z6Ye_3mx3aW97lRfynHNeHsa4gFLArP64LIWsVSGFqssKoCoBWiXL22fs8OHj-X2Goqqa-oC9IloCwGym6pfsQAgNUmtxyOKC-Pnl6GOYiKexm2iTw_EprsJ6g8l-4ufop-sQvMUPPCGtx0ihG5D3Y-LzS_vXEveB0BLyTbKRVoEojJGHyP8g5R2R_8aI_yYc7JfX7EVvB8I3-_eI_fr29WJ-Wpz9_L6Yn5wVTiotC1kL11voKilq3SjXtr7JlStQXnfCQt_0bVNhC057cLUEBx0o7dXMN5AJecTe7_au03g15Rom13I4DDbiOJFphJIg6yqD7Q50aSRK2Jt1Ciub7owAs3Vtlmar1GyVmq1rc-_a3ObRt_sbU7dC_zi4l5uBd3vAkrNDn-24QI-cVE2rhc7c5x13Ewa8e3IBc_FjkYP8D8cgmkU</recordid><startdate>200203</startdate><enddate>200203</enddate><creator>Feliciangeli, M. Dora</creator><creator>Dujardin, Jean‐Pierre</creator><creator>Bastrenta, Brigitte</creator><creator>Mazzarri, Milena</creator><creator>Villegas, Judith</creator><creator>Flores, Maria</creator><creator>Muñoz, Maruska</creator><general>Blackwell Science Ltd</general><general>Blackwell Science</general><scope>IQODW</scope><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>7X8</scope></search><sort><creationdate>200203</creationdate><title>Is Rhodnius robustus (Hemiptera: Reduviidae) responsible for Chagas disease transmission in Western Venezuela?</title><author>Feliciangeli, M. Dora ; Dujardin, Jean‐Pierre ; Bastrenta, Brigitte ; Mazzarri, Milena ; Villegas, Judith ; Flores, Maria ; Muñoz, Maruska</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3593-361cfa0b2316975c88d7190205d9b1a0f7f872e80c9d0c630c0b059d54d709b13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2002</creationdate><topic>Adult</topic><topic>Animals</topic><topic>Biological and medical sciences</topic><topic>Chagas disease</topic><topic>Chagas Disease - transmission</topic><topic>Disease Vectors</topic><topic>DNA - genetics</topic><topic>Female</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Humans</topic><topic>Infant, Newborn</topic><topic>Medically important nuisances and vectors, pests of stored products and materials: population survey and control</topic><topic>Polymerase Chain Reaction</topic><topic>Rhodnius - genetics</topic><topic>Rhodnius - parasitology</topic><topic>Rhodnius robustus</topic><topic>Tropical medicine</topic><topic>Trypanosoma cruzi</topic><topic>Trypanosoma cruzi - isolation & purification</topic><topic>Vectors. Intermediate hosts</topic><topic>Venezuela</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Feliciangeli, M. Dora</creatorcontrib><creatorcontrib>Dujardin, Jean‐Pierre</creatorcontrib><creatorcontrib>Bastrenta, Brigitte</creatorcontrib><creatorcontrib>Mazzarri, Milena</creatorcontrib><creatorcontrib>Villegas, Judith</creatorcontrib><creatorcontrib>Flores, Maria</creatorcontrib><creatorcontrib>Muñoz, Maruska</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Tropical medicine & international health</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Feliciangeli, M. Dora</au><au>Dujardin, Jean‐Pierre</au><au>Bastrenta, Brigitte</au><au>Mazzarri, Milena</au><au>Villegas, Judith</au><au>Flores, Maria</au><au>Muñoz, Maruska</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Is Rhodnius robustus (Hemiptera: Reduviidae) responsible for Chagas disease transmission in Western Venezuela?</atitle><jtitle>Tropical medicine & international health</jtitle><addtitle>Trop Med Int Health</addtitle><date>2002-03</date><risdate>2002</risdate><volume>7</volume><issue>3</issue><spage>280</spage><epage>287</epage><pages>280-287</pages><issn>1360-2276</issn><eissn>1365-3156</eissn><abstract>We present evidence for the putative role of Rhodnius robustus as extradomestic vector of Chagas disease in Western Venezuela. First, we assessed the validity of this triatomine species by genetic characterization in relation with some other species of the prolixus group. Random amplified polymorphic DNA data showed a clear separation between this species and R. prolixus and indicated a probable genetic heterogeneity within R. robustus. Faeces and gut contents were microscopically examined in 54 of 137 R. robustus collected in palm trees. According to this morphological examination, 18% were positive for Trypanosoma cruzi, 11% harboured T. rangeli and 11% showed mixed infection. Five of the seven samples examined gave a polymerase chain reaction major band of 270 bp specific of T. cruzi. The hybridization probes showed that R. robustus may transmit clones 20 and 39 (or genetically related ones) in Venezuela. Such a transmission might occur when, in absence of domestic R. prolixus and attracted by artificial light, R. robustus enters houses and feeds on humans, or when people are bitten outdoors. 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| source | MEDLINE; IngentaConnect Free/Open Access Journals; Wiley Online Library Journals Frontfile Complete; Wiley Online Library Free Content; EZB-FREE-00999 freely available EZB journals |
| subjects | Adult Animals Biological and medical sciences Chagas disease Chagas Disease - transmission Disease Vectors DNA - genetics Female Fundamental and applied biological sciences. Psychology Humans Infant, Newborn Medically important nuisances and vectors, pests of stored products and materials: population survey and control Polymerase Chain Reaction Rhodnius - genetics Rhodnius - parasitology Rhodnius robustus Tropical medicine Trypanosoma cruzi Trypanosoma cruzi - isolation & purification Vectors. Intermediate hosts Venezuela |
| title | Is Rhodnius robustus (Hemiptera: Reduviidae) responsible for Chagas disease transmission in Western Venezuela? |
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