The Diachasmimorpha longicaudata entomopoxvirus (DlEPV) is a presently unclassified, insect-specific poxvirus. The virus was first identified in the accessory poison gland apparatus of a female parasitoid wasp, D. longicaudata. The wasp apparently injects DlEPV into host fly larvae along with the egg during oviposition. Although the effect of the presence of DlEPV on wasp larvae survival within the host is unknown, the virus does appear to disrupt haemocyte encapsulation response. The DlEPV genome has not yet been fully characterized. A total of nineteen genes have been identified (10 of known functions, 9 of unknown) and the expected genome size is 290—300 kilobase pairs (kbp). We subjected DlEPV DNA to sequencing and structural analysis. We found all 19 known DlEPV genes, identified an additional 48 DlEPV genes; thus more than doubling the number of know DlEPV genes. DlEPV open reading frames (ORFs) were found to have significant homology to both essential and nonessential poxvirus genes. We also report the presence of a putative NAD+-dependent DNA ligase, only the second example of this gene from a virus. DlEPV clearly is a poxvirus. However, it likely needs to be classified into its own genus as it is quite different to other EPVs.
","abstract_html":"<p>The Diachasmimorpha longicaudata entomopoxvirus (DlEPV) is a presently unclassified, insect-specific poxvirus. The virus was first identified in the accessory poison gland apparatus of a female parasitoid wasp, D. longicaudata. The wasp apparently injects DlEPV into host fly larvae along with the egg during oviposition. Although the effect of the presence of DlEPV on wasp larvae survival within the host is unknown, the virus does appear to disrupt haemocyte encapsulation response. The DlEPV genome has not yet been fully characterized. A total of nineteen genes have been identified (10 of known functions, 9 of unknown) and the expected genome size is 290—300 kilobase pairs (kbp). We subjected DlEPV DNA to sequencing and structural analysis. We found all 19 known DlEPV genes, identified an additional 48 DlEPV genes; thus more than doubling the number of know DlEPV genes. DlEPV open reading frames (ORFs) were found to have significant homology to both essential and nonessential poxvirus genes. We also report the presence of a putative NAD+-dependent DNA ligase, only the second example of this gene from a virus. DlEPV clearly is a poxvirus. However, it likely needs to be classified into its own genus as it is quite different to other EPVs.</p>","abstract_has_math":false,"creators":["Smith, Steven Alexander"],"institution":null,"degree_name":"Master of Science (MS) in Biology","degree_level":"Thesis: EWU Only","degree_discipline":"Biology","degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2018,"date_issued":"2018-01-01T08:00:00Z","date_published":"2018-01-01T08:00:00Z","updated_at":"2026-07-24T02:12:33Z","subjects":["Biology","Virology"],"languages":[],"rights":["Access perpetually restricted to EWU users with an active EWU NetID"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://dc.ewu.edu/theses/526","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Smith, Steven Alexander"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"thesis:degree_discipline","label":"Discipline","values":["Biology"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis: EWU Only"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Master of Science (MS) in Biology"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Biology","Virology"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:rights","label":"Dc Rights","values":["Access perpetually restricted to EWU users with an active EWU NetID"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://dc.ewu.edu/theses/526"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["The Diachasmimorpha longicaudata entomopoxvirus (DlEPV) is a presently unclassified, insect-specific poxvirus. The virus was first identified in the accessory poison gland apparatus of a female parasitoid wasp, D. longicaudata. The wasp apparently injects DlEPV into host fly larvae along with the egg during oviposition. Although the effect of the presence of DlEPV on wasp larvae survival within the host is unknown, the virus does appear to disrupt haemocyte encapsulation response. The DlEPV genome has not yet been fully characterized. A total of nineteen genes have been identified (10 of known functions, 9 of unknown) and the expected genome size is 290—300 kilobase pairs (kbp). We subjected DlEPV DNA to sequencing and structural analysis. We found all 19 known DlEPV genes, identified an additional 48 DlEPV genes; thus more than doubling the number of know DlEPV genes. DlEPV open reading frames (ORFs) were found to have significant homology to both essential and nonessential poxvirus genes. We also report the presence of a putative NAD+-dependent DNA ligase, only the second example of this gene from a virus. DlEPV clearly is a poxvirus. However, it likely needs to be classified into its own genus as it is quite different to other EPVs.
"]},{"key":"dc:title","label":"Title","values":["Identification of genes from the poxvirus of a parasitoid wasp"]}]}],"canonical_facts":{"dc:creator":["Smith, Steven Alexander"],"dc:description.abstract":["The Diachasmimorpha longicaudata entomopoxvirus (DlEPV) is a presently unclassified, insect-specific poxvirus. The virus was first identified in the accessory poison gland apparatus of a female parasitoid wasp, D. longicaudata. The wasp apparently injects DlEPV into host fly larvae along with the egg during oviposition. Although the effect of the presence of DlEPV on wasp larvae survival within the host is unknown, the virus does appear to disrupt haemocyte encapsulation response. The DlEPV genome has not yet been fully characterized. A total of nineteen genes have been identified (10 of known functions, 9 of unknown) and the expected genome size is 290—300 kilobase pairs (kbp). We subjected DlEPV DNA to sequencing and structural analysis. We found all 19 known DlEPV genes, identified an additional 48 DlEPV genes; thus more than doubling the number of know DlEPV genes. DlEPV open reading frames (ORFs) were found to have significant homology to both essential and nonessential poxvirus genes. We also report the presence of a putative NAD+-dependent DNA ligase, only the second example of this gene from a virus. DlEPV clearly is a poxvirus. However, it likely needs to be classified into its own genus as it is quite different to other EPVs.
"],"dc:identifier":["https://dc.ewu.edu/theses/526"],"dc:rights":["Access perpetually restricted to EWU users with an active EWU NetID"],"dc:subject":["Biology","Virology"],"dc:title":["Identification of genes from the poxvirus of a parasitoid wasp"],"thesis:degree_discipline":["Biology"],"thesis:degree_level":["Thesis: EWU Only"],"thesis:degree_name":["Master of Science (MS) in Biology"]},"updated_at":"2026-07-24T02:12:33Z"}