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Wild-caught flies from Ohio were screened, with nearly one-fifth testing positive. The study is designed as an instructional project that builds hands-on laboratory competence, including PCR, Drosophila handling, virology concepts, data analysis, and molecular biology workflows, and can be adapted to different teaching needs for instructors and students.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":40,"@type":76,"position":81},"https://docshare.wps.com/document/research-report/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/detecting-the-presence-of-nora-virus-in-drosophila-utilizing-single-fly-rt-pcr/594625/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/detecting-the-presence-of-nora-virus-in-drosophila-utilizing-single-fly-rt-pcr/594625.png","ImageObject",300,407,{"name":92,"@type":93},"Ben ","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-20","2026-10-15",true,{"@type":102,"interactionType":103,"userInteractionCount":14},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What is the purpose of the single-fly RT-PCR protocol described in the document?","Question",{"text":112,"@type":113},"To detect the presence of the persistent, horizontally transmitted Nora virus in Drosophila using a single-fly RT-PCR workflow.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What were the results of testing wild-caught flies from Ohio?",{"text":117,"@type":113},"Wild-caught flies were screened for Nora virus, and nearly one-fifth tested positive.",{"name":119,"@type":110,"acceptedAnswer":120},"Why is Drosophila used as a model organism in this investigation?",{"text":121,"@type":113},"Drosophila has conserved immune response pathways and relies solely on innate immunity, making it suitable for studying responses to viruses and related mechanisms.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},594625,1792478735,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":39,"category_name":40,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":14,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":24,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":143,"read_time":144},2336478951081,"https://ap-avatar.wpscdn.com/davatar_276721f389ce27ea32af1340a28f341c","Detecting the Presence of Nora Virus in Drosophila Utilizing Single Fly RT  \nPCR  \nBethany Munn, Brad Ericson, Darby J. Carlson, and Kimberly A. Carlson*  \nBiology Department, 2401 11th Ave., University of Nebraska at Kearney, Kearney, NE 68849  \n*Corresponding author: [carlsonka1@unk.edu](carlsonka1@unk.edu)  \nABSTRACT: A single fly RT-PCR protocol has recently been developed to detect the presence of the persistent, horizontally transmitted Nora virus in Drosophila. Wild-caught flies from Ohio were tested for the presence of the virus, with nearly one-fifth testing positive. The investigation presented can serve as an ideal project for biology students to gain relevant laboratory experience. The study can be easily adapted to best meet the needs of instructor and student, and provide exposure to PCR, work with Drosophila, data analysis, and molecular biology.  \nKey words: single fly RT-PCR, Drosophila, Nora virus, wild-caught flies  \nINTRODUCTION  \nMolecular biology is at the forefront of biology. Current students must have an understanding of basic laboratory techniques and practices to show competency in their field and be informed about innovations in molecular biology. Polymerase chain reaction (PCR) is one molecular technique that is an integral tool in the laboratory today. It is commonly used in a wide array of biological disciplines, including forensics, industry, and medicine (Jordan & Lynch, 1998; Bartlett & Stirling, 2003; Yue, 2014) . Developed in the early 1980s by Kary Mullis and his colleagues at Cetus Corporation in California, the technique replicates sequences of DNA. This enables small samples of DNA to produce larger quantities, which in turn can be used for further research (Mulliset al., 1986; Jordan & Lynch, 1998; Yue, 2014) . As a result of the frequency of use, ease, and potential that PCR has to offer, current biology students need to become familiar with the process and its applications. Additionally, an understanding of PCR at the molecular level is crucial and personal experience will enable students to continue to explore the expanding field of molecular biology.  \nPCR has a multitude of uses that are diverse and innovative (Jordan & Lynch, 1998) . The combination of reverse transcription with PCR allows RNA sequences to be analyzed in a process called reverse transcriptase polymerase chain reaction (RT-PCR) . RNA cannot be used directly in standard PCR, so RT-PCR first produces DNA copies (cDNA) of the RNA via reverse transcription of the RNA template, followed by amplification of product (Bustin, 2000) . RT-PCR is a sensitive and flexible process, allowing one to get quick results from very small sample sizes (Freeman et al., 1999; Bustin, 2000) . Not only should biology students become familiar with conventional PCR, they also need to perform applications like RTPCR to understand some of the techniques alternate uses.  \nA RT-PCR protocol has recently been developed utilizing single female Drosophila. The protocol to detect the presence of Nora virus is discussed. The study that is presented is recommended for biology students as a tool to use and understand the process of RT-PCR, and the protocol can be easily adapted to serve other applications. Completion of this laboratory exercise gives students practice at catching and identifying Drosophila species, data analysis, and virology. Students will gain valuable field and laboratory experience, research Nora virus, work with the model organism Drosophila, and expand their molecular understanding of PCR.  \nThis exercise enables students to gain first-hand experience with Drosophila. D. melanogaster has been used as a model organism for research since the early 1900s. Studies involving Drosophila have examined anything from the basis of heredity to physiological systems (Kounatidis & Ligoxygakis, 2012; Rämet, 2012; Teixeira, 2012) . Due to Drosophila’s conserved immune response pathways with humans in their response to viruses, Drosophila is com","cbCaijRtal0MvptP","https://ap.wps.com/l/cbCaijRtal0MvptP","pdf",399752,"English","# Abstract\n# Introduction\n## PCR background and relevance to molecular biology\n## RT-PCR and reverse transcription with PCR\n# Single-fly RT-PCR approach for Nora virus\n## Drosophila as a model organism for innate immunity\n## Rationale for using Nora virus in the protocol\n# Nora virus biology relevant to detection","[{\"question\":\"What is the purpose of the single-fly RT-PCR protocol described in the document?\",\"answer\":\"To detect the presence of the persistent, horizontally transmitted Nora virus in Drosophila using a single-fly RT-PCR workflow.\"},{\"question\":\"What were the results of testing wild-caught flies from Ohio?\",\"answer\":\"Wild-caught flies were screened for Nora virus, and nearly one-fifth tested positive.\"},{\"question\":\"Why is Drosophila used as a model organism in this investigation?\",\"answer\":\"Drosophila has conserved immune response pathways and relies solely on innate immunity, making it suitable for studying responses to viruses and related mechanisms.\"}]","Detecting the Presence of Nora Virus in Drosophila Utilizing Single Fly RT-PCR | PDF",1792079516,13]