Use of enzyme immunoassay and nucleic acid hybridization for detecting Sindbis virus in infected mosquitoes. 1987

C H Calisher, and P Auvinen, and C J Mitchell, and C M Rice, and V Hukkanen, and T Hyypiä
Division of Vector-Borne Viral Diseases, Centers for Disease Control, Fort Collins, CO 80522-2087.

Aedes aegypti mosquitoes were inoculated intrathoracically with prototype Sindbis virus, held at 26.7 degrees C for from 0-95 h and placed at -70 degrees C. Individual mosquitoes were tested for virus by plaque assay in Vero cells, for viral RNA by nucleic acid hybridization using a cloned cDNA probe, and for viral protein by enzyme-linked immunosorbent assay. Virus was detected by plaque assay as early as 8 h after infection. Sindbis virus RNA was detected by nucleic acid hybridization 18 h after infection and by enzyme-linked immunosorbent assay 10 h after infection. The results of these comparisons suggest that both nucleic acid hybridization and enzyme-linked immunosorbent assay are applicable to direct detection of Sindbis virus in mosquitoes containing virus at levels usually found during arbovirus epidemics.

UI MeSH Term Description Entries
D008297 Male Males
D009033 Culicidae A family of the order DIPTERA that comprises the mosquitoes. The larval stages are aquatic, and the adults can be recognized by the characteristic WINGS, ANIMAL venation, the scales along the wing veins, and the long proboscis. Many species are of particular medical importance. Mosquitoes,Mosquitos,Mosquito
D009693 Nucleic Acid Hybridization Widely used technique which exploits the ability of complementary sequences in single-stranded DNAs or RNAs to pair with each other to form a double helix. Hybridization can take place between two complimentary DNA sequences, between a single-stranded DNA and a complementary RNA, or between two RNA sequences. The technique is used to detect and isolate specific sequences, measure homology, or define other characteristics of one or both strands. (Kendrew, Encyclopedia of Molecular Biology, 1994, p503) Genomic Hybridization,Acid Hybridization, Nucleic,Acid Hybridizations, Nucleic,Genomic Hybridizations,Hybridization, Genomic,Hybridization, Nucleic Acid,Hybridizations, Genomic,Hybridizations, Nucleic Acid,Nucleic Acid Hybridizations
D004797 Enzyme-Linked Immunosorbent Assay An immunoassay utilizing an antibody labeled with an enzyme marker such as horseradish peroxidase. While either the enzyme or the antibody is bound to an immunosorbent substrate, they both retain their biologic activity; the change in enzyme activity as a result of the enzyme-antibody-antigen reaction is proportional to the concentration of the antigen and can be measured spectrophotometrically or with the naked eye. Many variations of the method have been developed. ELISA,Assay, Enzyme-Linked Immunosorbent,Assays, Enzyme-Linked Immunosorbent,Enzyme Linked Immunosorbent Assay,Enzyme-Linked Immunosorbent Assays,Immunosorbent Assay, Enzyme-Linked,Immunosorbent Assays, Enzyme-Linked
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000956 Antigens, Viral Substances elaborated by viruses that have antigenic activity. Viral Antigen,Viral Antigens,Antigen, Viral
D012367 RNA, Viral Ribonucleic acid that makes up the genetic material of viruses. Viral RNA
D012845 Sindbis Virus The type species of ALPHAVIRUS normally transmitted to birds by CULEX mosquitoes in Egypt, South Africa, India, Malaya, the Philippines, and Australia. It may be associated with fever in humans. Serotypes (differing by less than 17% in nucleotide sequence) include Babanki, Kyzylagach, and Ockelbo viruses. Babanki virus,Kyzylagach virus,Ockelbo Virus

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