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- W1497376480 abstract "Soybean cyst nematode (SCN) is an obligate, sedentary parasite that is a major pathogen of soybean and accounts for an estimated 1 billion dollars in production losses annually in the United States of America. This paper describes the development of a real-time PCR method for rapid, sensitive, species-specific and accurate identification of SCN alone or on mixed populations with other nematodes in North Carolina. The 83-bp DNA fragment of PrimeTime-real-time PCR was designed based on a 477-bp-SCN-SCAR marker previously proved to be SCN-specific. A total of 44 populations including cyst forming nematodes (Heterodera glycines, H. fici, H. schachtii, H. trifolii, Cactodera weissi, Globodera tabacum, Meloidodera floridensis and other unidentified cyst nematodes) and non-cyst forming nematodes (Ditylenchus dipsaci, Meloidogyne incognita and Xiphinema chambersi) were tested in this study, all SCN populations are tested positive and non-SCN populations negative. This assay for the detection and identification has been successfully applied for testing a single SCN cyst, a 2(nd)-stage-SCN juvenile, a single SCN egg, up to ten SCN cysts, a 10-fold dilution of a single 2(nd)-stage-SCN juvenile and 20-fold dilution of one SCN cyst. The assay is not SCN-race specific. It gave an accurate positive result when SCN is mixed with other cyst species. Also, nematode universal primers/probes for real-time PCR amplification as a nematode endogenous control to detect the presence of 18S ribosomal RNA (rRNA) gene were employed in this assay, so that a SCN-negative sample can be tested to exclude false negative. This method will be very useful for a broad range of research programs as well as the regulatory response and management of SCN in North Carolina and other region of the southeastern U.S.A." @default.
- W1497376480 created "2016-06-24" @default.
- W1497376480 creator A5000923634 @default.
- W1497376480 date "2012-09-01" @default.
- W1497376480 modified "2023-09-23" @default.
- W1497376480 title "Development of PrimeTime-Real-Time PCR for Species Identification of Soybean Cyst Nematode (Heterodera glycines Ichinohe, 1952) in North Carolina." @default.
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- W1497376480 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/3547338" @default.
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- W1497376480 hasPublicationYear "2012" @default.
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