Aedes albopictus (Diptera: Culicidae) as a Potential Vector of Endemic and Exotic Arboviruses in Australia
In 2005, established populations of Aedes albopictus (Skuse) were discovered in the Torres Strait, the region that separates Papua New Guinea from northern Australia. This increased the potential for this species to be introduced to mainland Australia. Because it is an arbovirus vector elsewhere, we...
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| Veröffentlicht in: | Journal of medical entomology 2014-05, Vol.51 (3), p.661-669 |
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| container_title | Journal of medical entomology |
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| creator | Nicholson, J. Ritchie, S. A. Hurk, A. F. Van Den |
| description | In 2005, established populations of Aedes albopictus (Skuse) were discovered in the Torres Strait, the region that separates Papua New Guinea from northern Australia. This increased the potential for this species to be introduced to mainland Australia. Because it is an arbovirus vector elsewhere, we undertook laboratory-based infection and transmission experiments to determine the potential for Ae. albopictus from the Torres Strait to become infected with and transmit the four major Australian endemic arboviruses—Murray Valley encephalitis virus, West Nile virus Kunjin strain (WNVKUN), Ross River virus (RRV), and Barmah Forest virus—as well as the exotic Japanese encephalitis virus. Ae. albopictus is susceptible to infection with all viruses, with infection rates ranging between 8% for WNVKUN and 71% for RRV. Transmission rates of ≈25% were observed for RRV and Barmah Forest virus, but these were |
| doi_str_mv | 10.1603/ME13204 |
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A. ; Hurk, A. F. Van Den</creator><creatorcontrib>Nicholson, J. ; Ritchie, S. A. ; Hurk, A. F. Van Den</creatorcontrib><description>In 2005, established populations of Aedes albopictus (Skuse) were discovered in the Torres Strait, the region that separates Papua New Guinea from northern Australia. This increased the potential for this species to be introduced to mainland Australia. Because it is an arbovirus vector elsewhere, we undertook laboratory-based infection and transmission experiments to determine the potential for Ae. albopictus from the Torres Strait to become infected with and transmit the four major Australian endemic arboviruses—Murray Valley encephalitis virus, West Nile virus Kunjin strain (WNVKUN), Ross River virus (RRV), and Barmah Forest virus—as well as the exotic Japanese encephalitis virus. Ae. albopictus is susceptible to infection with all viruses, with infection rates ranging between 8% for WNVKUN and 71% for RRV. Transmission rates of ≈25% were observed for RRV and Barmah Forest virus, but these were <17% for Murray Valley encephalitis virus, WNVKUN, and Japanese encephalitis virus. Given its relative vector competence for alphaviruses, we also examined the replication kinetics and extrinsic incubation periods required for transmission of RRV and Chikungunya virus. Despite lower body titers, more mosquitoes reared and maintained at 28°C became infected with and transmitted the virus than those reared and maintained at 22°C. The minimum time between Ae. albopictus consuming an infected bloodmeal and transmitting Chikungunya virus was 2 d at 28°C and 4 d at 22°C, and for RRV, it was 4 d, irrespective of the temperature. Given its opportunistic feeding habits and aggressive biting behavior, the establishment of Ae. albopictus on the Australian mainland could have a considerable impact on alphavirus transmission.</description><identifier>ISSN: 0022-2585</identifier><identifier>EISSN: 1938-2928</identifier><identifier>DOI: 10.1603/ME13204</identifier><identifier>PMID: 24897860</identifier><language>eng</language><publisher>England: Entomological Society of America</publisher><subject>Aedes - virology ; Aedes albopictus ; Animals ; arbovirus ; Arbovirus Infections - epidemiology ; Arbovirus Infections - transmission ; Arbovirus Infections - virology ; arboviruses ; Arboviruses - physiology ; Asian tiger mosquito ; Australia ; Barmah Forest virus ; biological resistance ; Chikungunya virus ; disease transmission ; Diseases ; Encephalitis ; forests ; Health aspects ; infection ; Insect Vectors - virology ; introduced species ; Japanese encephalitis virus ; Mosquitoes ; Murray Valley encephalitis virus ; population ; rearing ; Risk Assessment ; Ross River virus ; Temperature ; transmission ; vector competence ; VECTOR/PATHOGEN/HOST INTERACTION, TRANSMISSION ; Virus Replication ; West Nile fever ; West Nile virus</subject><ispartof>Journal of medical entomology, 2014-05, Vol.51 (3), p.661-669</ispartof><rights>2014 Entomological Society of America</rights><rights>COPYRIGHT 2014 Oxford University Press</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-b435t-cb2b369cac8cc0ded52510294dceaf61a78a48226c4e47a7530ad198975fcab3</citedby><cites>FETCH-LOGICAL-b435t-cb2b369cac8cc0ded52510294dceaf61a78a48226c4e47a7530ad198975fcab3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/24897860$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Nicholson, J.</creatorcontrib><creatorcontrib>Ritchie, S. A.</creatorcontrib><creatorcontrib>Hurk, A. F. Van Den</creatorcontrib><title>Aedes albopictus (Diptera: Culicidae) as a Potential Vector of Endemic and Exotic Arboviruses in Australia</title><title>Journal of medical entomology</title><addtitle>J Med Entomol</addtitle><description>In 2005, established populations of Aedes albopictus (Skuse) were discovered in the Torres Strait, the region that separates Papua New Guinea from northern Australia. This increased the potential for this species to be introduced to mainland Australia. Because it is an arbovirus vector elsewhere, we undertook laboratory-based infection and transmission experiments to determine the potential for Ae. albopictus from the Torres Strait to become infected with and transmit the four major Australian endemic arboviruses—Murray Valley encephalitis virus, West Nile virus Kunjin strain (WNVKUN), Ross River virus (RRV), and Barmah Forest virus—as well as the exotic Japanese encephalitis virus. Ae. albopictus is susceptible to infection with all viruses, with infection rates ranging between 8% for WNVKUN and 71% for RRV. Transmission rates of ≈25% were observed for RRV and Barmah Forest virus, but these were <17% for Murray Valley encephalitis virus, WNVKUN, and Japanese encephalitis virus. Given its relative vector competence for alphaviruses, we also examined the replication kinetics and extrinsic incubation periods required for transmission of RRV and Chikungunya virus. Despite lower body titers, more mosquitoes reared and maintained at 28°C became infected with and transmitted the virus than those reared and maintained at 22°C. The minimum time between Ae. albopictus consuming an infected bloodmeal and transmitting Chikungunya virus was 2 d at 28°C and 4 d at 22°C, and for RRV, it was 4 d, irrespective of the temperature. Given its opportunistic feeding habits and aggressive biting behavior, the establishment of Ae. albopictus on the Australian mainland could have a considerable impact on alphavirus transmission.</description><subject>Aedes - virology</subject><subject>Aedes albopictus</subject><subject>Animals</subject><subject>arbovirus</subject><subject>Arbovirus Infections - epidemiology</subject><subject>Arbovirus Infections - transmission</subject><subject>Arbovirus Infections - virology</subject><subject>arboviruses</subject><subject>Arboviruses - physiology</subject><subject>Asian tiger mosquito</subject><subject>Australia</subject><subject>Barmah Forest virus</subject><subject>biological resistance</subject><subject>Chikungunya virus</subject><subject>disease transmission</subject><subject>Diseases</subject><subject>Encephalitis</subject><subject>forests</subject><subject>Health aspects</subject><subject>infection</subject><subject>Insect Vectors - virology</subject><subject>introduced species</subject><subject>Japanese encephalitis virus</subject><subject>Mosquitoes</subject><subject>Murray Valley encephalitis virus</subject><subject>population</subject><subject>rearing</subject><subject>Risk Assessment</subject><subject>Ross River virus</subject><subject>Temperature</subject><subject>transmission</subject><subject>vector competence</subject><subject>VECTOR/PATHOGEN/HOST INTERACTION, TRANSMISSION</subject><subject>Virus Replication</subject><subject>West Nile fever</subject><subject>West Nile virus</subject><issn>0022-2585</issn><issn>1938-2928</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1kVuLFDEQhYMo7riK_0ADIq4PvebanfjWjOMFVhRcfQ3VSXrJ0tMZk7Tovzdrj4Kg5CEhfHXqVB2EHlJyTlvCX7zfUc6IuIU2VHPVMM3UbbQhhLGGSSVP0L2crwkhigp9F50woXSnWrJB1713PmOYhngItiwZn70Kh-ITvMTbZQo2OPDPMVQEf4zFzyXAhL94W2LCccS72fl9sBhmh3ffY6nPPg3xW0hLrrphxv2SS4IpwH10Z4Qp-wfH-xRdvt5dbt82Fx_evNv2F80guCyNHdjAW23BKmuJ804ySQnTwlkPY0uhUyAUY60VXnTQSU7AUV0HkqOFgZ-is1X2kOLXxedi9iFbP00w-7hkQyUXRIu6moo-WdErmLwJ8xirU3uDm15yWXeltKjU-T-oen5NHmc_hvr_V8GztcCmmHPyozmksIf0w1BibuIyx7gq-ejodRn23v3hfudTgccrMEI0cJVCNp8_MVJFCOFd7VWJpysxhFi9_LfVT1hlojw</recordid><startdate>20140501</startdate><enddate>20140501</enddate><creator>Nicholson, J.</creator><creator>Ritchie, S. A.</creator><creator>Hurk, A. F. Van Den</creator><general>Entomological Society of America</general><general>Oxford University Press</general><scope>FBQ</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>20140501</creationdate><title>Aedes albopictus (Diptera: Culicidae) as a Potential Vector of Endemic and Exotic Arboviruses in Australia</title><author>Nicholson, J. ; Ritchie, S. A. ; Hurk, A. F. Van Den</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-b435t-cb2b369cac8cc0ded52510294dceaf61a78a48226c4e47a7530ad198975fcab3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Aedes - virology</topic><topic>Aedes albopictus</topic><topic>Animals</topic><topic>arbovirus</topic><topic>Arbovirus Infections - epidemiology</topic><topic>Arbovirus Infections - transmission</topic><topic>Arbovirus Infections - virology</topic><topic>arboviruses</topic><topic>Arboviruses - physiology</topic><topic>Asian tiger mosquito</topic><topic>Australia</topic><topic>Barmah Forest virus</topic><topic>biological resistance</topic><topic>Chikungunya virus</topic><topic>disease transmission</topic><topic>Diseases</topic><topic>Encephalitis</topic><topic>forests</topic><topic>Health aspects</topic><topic>infection</topic><topic>Insect Vectors - virology</topic><topic>introduced species</topic><topic>Japanese encephalitis virus</topic><topic>Mosquitoes</topic><topic>Murray Valley encephalitis virus</topic><topic>population</topic><topic>rearing</topic><topic>Risk Assessment</topic><topic>Ross River virus</topic><topic>Temperature</topic><topic>transmission</topic><topic>vector competence</topic><topic>VECTOR/PATHOGEN/HOST INTERACTION, TRANSMISSION</topic><topic>Virus Replication</topic><topic>West Nile fever</topic><topic>West Nile virus</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nicholson, J.</creatorcontrib><creatorcontrib>Ritchie, S. A.</creatorcontrib><creatorcontrib>Hurk, A. F. Van Den</creatorcontrib><collection>AGRIS</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>Journal of medical entomology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nicholson, J.</au><au>Ritchie, S. A.</au><au>Hurk, A. F. Van Den</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Aedes albopictus (Diptera: Culicidae) as a Potential Vector of Endemic and Exotic Arboviruses in Australia</atitle><jtitle>Journal of medical entomology</jtitle><addtitle>J Med Entomol</addtitle><date>2014-05-01</date><risdate>2014</risdate><volume>51</volume><issue>3</issue><spage>661</spage><epage>669</epage><pages>661-669</pages><issn>0022-2585</issn><eissn>1938-2928</eissn><abstract>In 2005, established populations of Aedes albopictus (Skuse) were discovered in the Torres Strait, the region that separates Papua New Guinea from northern Australia. This increased the potential for this species to be introduced to mainland Australia. Because it is an arbovirus vector elsewhere, we undertook laboratory-based infection and transmission experiments to determine the potential for Ae. albopictus from the Torres Strait to become infected with and transmit the four major Australian endemic arboviruses—Murray Valley encephalitis virus, West Nile virus Kunjin strain (WNVKUN), Ross River virus (RRV), and Barmah Forest virus—as well as the exotic Japanese encephalitis virus. Ae. albopictus is susceptible to infection with all viruses, with infection rates ranging between 8% for WNVKUN and 71% for RRV. Transmission rates of ≈25% were observed for RRV and Barmah Forest virus, but these were <17% for Murray Valley encephalitis virus, WNVKUN, and Japanese encephalitis virus. Given its relative vector competence for alphaviruses, we also examined the replication kinetics and extrinsic incubation periods required for transmission of RRV and Chikungunya virus. Despite lower body titers, more mosquitoes reared and maintained at 28°C became infected with and transmitted the virus than those reared and maintained at 22°C. The minimum time between Ae. albopictus consuming an infected bloodmeal and transmitting Chikungunya virus was 2 d at 28°C and 4 d at 22°C, and for RRV, it was 4 d, irrespective of the temperature. Given its opportunistic feeding habits and aggressive biting behavior, the establishment of Ae. albopictus on the Australian mainland could have a considerable impact on alphavirus transmission.</abstract><cop>England</cop><pub>Entomological Society of America</pub><pmid>24897860</pmid><doi>10.1603/ME13204</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
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| source | Oxford University Press Journals All Titles (1996-Current); MEDLINE |
| subjects | Aedes - virology Aedes albopictus Animals arbovirus Arbovirus Infections - epidemiology Arbovirus Infections - transmission Arbovirus Infections - virology arboviruses Arboviruses - physiology Asian tiger mosquito Australia Barmah Forest virus biological resistance Chikungunya virus disease transmission Diseases Encephalitis forests Health aspects infection Insect Vectors - virology introduced species Japanese encephalitis virus Mosquitoes Murray Valley encephalitis virus population rearing Risk Assessment Ross River virus Temperature transmission vector competence VECTOR/PATHOGEN/HOST INTERACTION, TRANSMISSION Virus Replication West Nile fever West Nile virus |
| title | Aedes albopictus (Diptera: Culicidae) as a Potential Vector of Endemic and Exotic Arboviruses in Australia |
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