Characterization of modulation of western equine encephalomyelitis virus by Culex tarsalis (Diptera: Culicidae) maintained at 32 degrees C following parenteral infection
Two lines of Culex tarsalis Coquillett genetically selected for low or high western equine encephalomyelitis (WEE) virus production (low viral producer [LVP] or high viral producer [HVP], respectively) modulated WEE (i.e., decreased the concentration of virus to 10(4) plaque-forming units after intr...
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| Veröffentlicht in: | Journal of medical entomology 1998-05, Vol.35 (3), p.289-295 |
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| container_title | Journal of medical entomology |
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| creator | Kramer, L.D. (University of California, Davis, CA.) Hardy, J.L Presser, S.B |
| description | Two lines of Culex tarsalis Coquillett genetically selected for low or high western equine encephalomyelitis (WEE) virus production (low viral producer [LVP] or high viral producer [HVP], respectively) modulated WEE (i.e., decreased the concentration of virus to 10(4) plaque-forming units after intrathoracic inoculation). The LVP line modulated WEE more than HVP, and modulation was most pronounced at 32 degrees C. At 15 degrees C, viral replication to high titers occurred in both lines. When infected LVP were transferred to 15 degrees C after 4 d extrinsic incubation at 32 degrees C, replication of WEE to high titers did not occur. Mosquitoes transferred from 15 degrees C after replication to high titers occurred, to 32 degrees C did significantly modulate WEE titer. Incubation at 32 degrees C prior to infection had no effect on the degree or timing of WEE modulation in both LVP and HVP lines. Most LVP infected following feeding on a high dose of WEE had salivary gland infection barriers. Viral modulation by Cx. tarsalis was an alphavirus phenomenon, and was not restricted to WEE |
| doi_str_mv | 10.1093/jmedent/35.3.289 |
| format | Article |
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(University of California, Davis, CA.) ; Hardy, J.L ; Presser, S.B</creator><creatorcontrib>Kramer, L.D. (University of California, Davis, CA.) ; Hardy, J.L ; Presser, S.B</creatorcontrib><description>Two lines of Culex tarsalis Coquillett genetically selected for low or high western equine encephalomyelitis (WEE) virus production (low viral producer [LVP] or high viral producer [HVP], respectively) modulated WEE (i.e., decreased the concentration of virus to 10(4) plaque-forming units after intrathoracic inoculation). The LVP line modulated WEE more than HVP, and modulation was most pronounced at 32 degrees C. At 15 degrees C, viral replication to high titers occurred in both lines. When infected LVP were transferred to 15 degrees C after 4 d extrinsic incubation at 32 degrees C, replication of WEE to high titers did not occur. Mosquitoes transferred from 15 degrees C after replication to high titers occurred, to 32 degrees C did significantly modulate WEE titer. Incubation at 32 degrees C prior to infection had no effect on the degree or timing of WEE modulation in both LVP and HVP lines. Most LVP infected following feeding on a high dose of WEE had salivary gland infection barriers. Viral modulation by Cx. tarsalis was an alphavirus phenomenon, and was not restricted to WEE</description><identifier>ISSN: 0022-2585</identifier><identifier>EISSN: 1938-2928</identifier><identifier>DOI: 10.1093/jmedent/35.3.289</identifier><identifier>PMID: 9615548</identifier><language>eng</language><publisher>England</publisher><subject>ALPHAVIRUS ; ANIMAL VIRUSES ; Animals ; ARBOVIRUSES ; Arboviruses - growth & development ; BIOLOGICAL DIFFERENCES ; Culex - genetics ; Culex - virology ; CULEX TARSALIS ; DIFERENCIAS BIOLOGICAS ; DIFFERENCE BIOLOGIQUE ; DISEASE VECTORS ; Encephalitis Virus, Western Equine - growth & development ; Encephalitis Virus, Western Equine - isolation & purification ; ENVIRONMENTAL TEMPERATURE ; EXPERIMENTAL INFECTION ; Female ; GLANDE SALIVAIRE ; GLANDULAS SALIVALES ; INFECCION EXPERIMENTAL ; INFECTION EXPERIMENTALE ; Insect Vectors - virology ; LINE DIFFERENCES ; REPLICACION ; REPLICATION ; SALIVARY GLANDS ; Salivary Glands - virology ; SELECCION ; SELECTION ; Selection, Genetic ; TEMPERATURA AMBIENTAL ; Temperature ; TEMPERATURE AMBIANTE ; VECTEUR DE MALADIE ; VECTOR COMPETENCE ; VECTORES ; VECTORS ; VIRAL REPLICATION ; VIRUS DE LOS ANIMALES ; VIRUS DES ANIMAUX ; VIRUS MODULATION ; Virus Replication ; WESTERN EQUINE ENCEPHALITIS VIRUS</subject><ispartof>Journal of medical entomology, 1998-05, Vol.35 (3), p.289-295</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/9615548$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Kramer, L.D. (University of California, Davis, CA.)</creatorcontrib><creatorcontrib>Hardy, J.L</creatorcontrib><creatorcontrib>Presser, S.B</creatorcontrib><title>Characterization of modulation of western equine encephalomyelitis virus by Culex tarsalis (Diptera: Culicidae) maintained at 32 degrees C following parenteral infection</title><title>Journal of medical entomology</title><addtitle>J Med Entomol</addtitle><description>Two lines of Culex tarsalis Coquillett genetically selected for low or high western equine encephalomyelitis (WEE) virus production (low viral producer [LVP] or high viral producer [HVP], respectively) modulated WEE (i.e., decreased the concentration of virus to 10(4) plaque-forming units after intrathoracic inoculation). The LVP line modulated WEE more than HVP, and modulation was most pronounced at 32 degrees C. At 15 degrees C, viral replication to high titers occurred in both lines. When infected LVP were transferred to 15 degrees C after 4 d extrinsic incubation at 32 degrees C, replication of WEE to high titers did not occur. Mosquitoes transferred from 15 degrees C after replication to high titers occurred, to 32 degrees C did significantly modulate WEE titer. Incubation at 32 degrees C prior to infection had no effect on the degree or timing of WEE modulation in both LVP and HVP lines. Most LVP infected following feeding on a high dose of WEE had salivary gland infection barriers. Viral modulation by Cx. tarsalis was an alphavirus phenomenon, and was not restricted to WEE</description><subject>ALPHAVIRUS</subject><subject>ANIMAL VIRUSES</subject><subject>Animals</subject><subject>ARBOVIRUSES</subject><subject>Arboviruses - growth & development</subject><subject>BIOLOGICAL DIFFERENCES</subject><subject>Culex - genetics</subject><subject>Culex - virology</subject><subject>CULEX TARSALIS</subject><subject>DIFERENCIAS BIOLOGICAS</subject><subject>DIFFERENCE BIOLOGIQUE</subject><subject>DISEASE VECTORS</subject><subject>Encephalitis Virus, Western Equine - growth & development</subject><subject>Encephalitis Virus, Western Equine - isolation & purification</subject><subject>ENVIRONMENTAL TEMPERATURE</subject><subject>EXPERIMENTAL INFECTION</subject><subject>Female</subject><subject>GLANDE SALIVAIRE</subject><subject>GLANDULAS SALIVALES</subject><subject>INFECCION EXPERIMENTAL</subject><subject>INFECTION EXPERIMENTALE</subject><subject>Insect Vectors - virology</subject><subject>LINE DIFFERENCES</subject><subject>REPLICACION</subject><subject>REPLICATION</subject><subject>SALIVARY GLANDS</subject><subject>Salivary Glands - virology</subject><subject>SELECCION</subject><subject>SELECTION</subject><subject>Selection, Genetic</subject><subject>TEMPERATURA AMBIENTAL</subject><subject>Temperature</subject><subject>TEMPERATURE AMBIANTE</subject><subject>VECTEUR DE MALADIE</subject><subject>VECTOR COMPETENCE</subject><subject>VECTORES</subject><subject>VECTORS</subject><subject>VIRAL REPLICATION</subject><subject>VIRUS DE LOS ANIMALES</subject><subject>VIRUS DES ANIMAUX</subject><subject>VIRUS MODULATION</subject><subject>Virus Replication</subject><subject>WESTERN EQUINE ENCEPHALITIS VIRUS</subject><issn>0022-2585</issn><issn>1938-2928</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1998</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpFUctu3DAMFIoG6SbtvZcCOhXNwRtZsmyzt8B9AgF6SHI2aIneKJAfkeym2z_KX1aLLtoDQZAzJDhDxt7mYpsLUJcPA1kal0ult2ora3jBNjmoOpMg65dsI4SUmdS1fsXOYnwQQtR5AafsFMpc66LesOfmHgOahYL7jYubRj71fJjs6v9VTxQTPHJ6XN1InEZD8z36adiTd4uL_KcLa-Tdnjerp198wRDRp_6HT25Ok_jxADjjLNIFH9CNSwqyHBeuJLe0C0SRN7yfvJ-e3LjjM4akKo167saezOGU1-ykRx_pzTGfs7svn2-bb9n1j6_fm6vrrM9LsWSmrKSSqi-tBjIGFNoCQNcG0JC0Sbe0lbW2ox5zVcq6UFYbrJWmriugVOfs_d-9c5ge16S9HVw05D2ONK2xrQCSxepAfHckrl16QzsHN2DYt0dv_-M9Ti3ugovt3U0OUAmQeQXqD1xfijo</recordid><startdate>199805</startdate><enddate>199805</enddate><creator>Kramer, L.D. (University of California, Davis, CA.)</creator><creator>Hardy, J.L</creator><creator>Presser, S.B</creator><scope>FBQ</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>7X8</scope></search><sort><creationdate>199805</creationdate><title>Characterization of modulation of western equine encephalomyelitis virus by Culex tarsalis (Diptera: Culicidae) maintained at 32 degrees C following parenteral infection</title><author>Kramer, L.D. (University of California, Davis, CA.) ; Hardy, J.L ; Presser, S.B</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-f160t-c672323f6d59ecc93ad49958c9ace2d6152d7dddbefa1362843d5ca835ebb4963</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1998</creationdate><topic>ALPHAVIRUS</topic><topic>ANIMAL VIRUSES</topic><topic>Animals</topic><topic>ARBOVIRUSES</topic><topic>Arboviruses - growth & development</topic><topic>BIOLOGICAL DIFFERENCES</topic><topic>Culex - genetics</topic><topic>Culex - virology</topic><topic>CULEX TARSALIS</topic><topic>DIFERENCIAS BIOLOGICAS</topic><topic>DIFFERENCE BIOLOGIQUE</topic><topic>DISEASE VECTORS</topic><topic>Encephalitis Virus, Western Equine - growth & development</topic><topic>Encephalitis Virus, Western Equine - isolation & purification</topic><topic>ENVIRONMENTAL TEMPERATURE</topic><topic>EXPERIMENTAL INFECTION</topic><topic>Female</topic><topic>GLANDE SALIVAIRE</topic><topic>GLANDULAS SALIVALES</topic><topic>INFECCION EXPERIMENTAL</topic><topic>INFECTION EXPERIMENTALE</topic><topic>Insect Vectors - virology</topic><topic>LINE DIFFERENCES</topic><topic>REPLICACION</topic><topic>REPLICATION</topic><topic>SALIVARY GLANDS</topic><topic>Salivary Glands - virology</topic><topic>SELECCION</topic><topic>SELECTION</topic><topic>Selection, Genetic</topic><topic>TEMPERATURA AMBIENTAL</topic><topic>Temperature</topic><topic>TEMPERATURE AMBIANTE</topic><topic>VECTEUR DE MALADIE</topic><topic>VECTOR COMPETENCE</topic><topic>VECTORES</topic><topic>VECTORS</topic><topic>VIRAL REPLICATION</topic><topic>VIRUS DE LOS ANIMALES</topic><topic>VIRUS DES ANIMAUX</topic><topic>VIRUS MODULATION</topic><topic>Virus Replication</topic><topic>WESTERN EQUINE ENCEPHALITIS VIRUS</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kramer, L.D. (University of California, Davis, CA.)</creatorcontrib><creatorcontrib>Hardy, J.L</creatorcontrib><creatorcontrib>Presser, S.B</creatorcontrib><collection>AGRIS</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of medical entomology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kramer, L.D. (University of California, Davis, CA.)</au><au>Hardy, J.L</au><au>Presser, S.B</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Characterization of modulation of western equine encephalomyelitis virus by Culex tarsalis (Diptera: Culicidae) maintained at 32 degrees C following parenteral infection</atitle><jtitle>Journal of medical entomology</jtitle><addtitle>J Med Entomol</addtitle><date>1998-05</date><risdate>1998</risdate><volume>35</volume><issue>3</issue><spage>289</spage><epage>295</epage><pages>289-295</pages><issn>0022-2585</issn><eissn>1938-2928</eissn><abstract>Two lines of Culex tarsalis Coquillett genetically selected for low or high western equine encephalomyelitis (WEE) virus production (low viral producer [LVP] or high viral producer [HVP], respectively) modulated WEE (i.e., decreased the concentration of virus to 10(4) plaque-forming units after intrathoracic inoculation). The LVP line modulated WEE more than HVP, and modulation was most pronounced at 32 degrees C. At 15 degrees C, viral replication to high titers occurred in both lines. When infected LVP were transferred to 15 degrees C after 4 d extrinsic incubation at 32 degrees C, replication of WEE to high titers did not occur. Mosquitoes transferred from 15 degrees C after replication to high titers occurred, to 32 degrees C did significantly modulate WEE titer. Incubation at 32 degrees C prior to infection had no effect on the degree or timing of WEE modulation in both LVP and HVP lines. Most LVP infected following feeding on a high dose of WEE had salivary gland infection barriers. Viral modulation by Cx. tarsalis was an alphavirus phenomenon, and was not restricted to WEE</abstract><cop>England</cop><pmid>9615548</pmid><doi>10.1093/jmedent/35.3.289</doi><tpages>7</tpages></addata></record> |
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| ispartof | Journal of medical entomology, 1998-05, Vol.35 (3), p.289-295 |
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| language | eng |
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| source | MEDLINE; Oxford University Press Journals All Titles (1996-Current) |
| subjects | ALPHAVIRUS ANIMAL VIRUSES Animals ARBOVIRUSES Arboviruses - growth & development BIOLOGICAL DIFFERENCES Culex - genetics Culex - virology CULEX TARSALIS DIFERENCIAS BIOLOGICAS DIFFERENCE BIOLOGIQUE DISEASE VECTORS Encephalitis Virus, Western Equine - growth & development Encephalitis Virus, Western Equine - isolation & purification ENVIRONMENTAL TEMPERATURE EXPERIMENTAL INFECTION Female GLANDE SALIVAIRE GLANDULAS SALIVALES INFECCION EXPERIMENTAL INFECTION EXPERIMENTALE Insect Vectors - virology LINE DIFFERENCES REPLICACION REPLICATION SALIVARY GLANDS Salivary Glands - virology SELECCION SELECTION Selection, Genetic TEMPERATURA AMBIENTAL Temperature TEMPERATURE AMBIANTE VECTEUR DE MALADIE VECTOR COMPETENCE VECTORES VECTORS VIRAL REPLICATION VIRUS DE LOS ANIMALES VIRUS DES ANIMAUX VIRUS MODULATION Virus Replication WESTERN EQUINE ENCEPHALITIS VIRUS |
| title | Characterization of modulation of western equine encephalomyelitis virus by Culex tarsalis (Diptera: Culicidae) maintained at 32 degrees C following parenteral infection |
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