نوع مقاله : کامل علمی - پژوهشی
نویسندگان
1 مربی پژوهشی بخش تحقیقات چغندرقند، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی استان فارس، سازمان تحقیقات، آموزش و ترویج کشاورزی، شیراز، ایران.
2 مربی پژوهشی مرکز تحقیقات کشاورزی و منابع طبیعی فارس- بخش تحقیقات اصلاح و تهیه بذر و نهال، شیراز، ایران.
3 استاد مرکز تحقیقات ویروسشناسی گیاهی، دانشکده کشاورزی دانشگاه شیراز، شیراز، ایران
چکیده
کلیدواژه‌ها
عنوان مقاله [English]
نویسندگان [English]
Beet Necrotic Yellow Vein Virus (BNYVV) is the causal agent of sugar beet rhizomania, disease . In the present study which was conducted in 2005 in Shiraz, Iran, serological methods (including ELISA) were used for detection of disease and screening of disease tolerant germplasm in sugar beet breeding programs. For doing this, Iranian isolate of BNYVV was purified and a specific antiserum was prepared against it. The virus was propagated on Chenopodium quinoa leaves by mechanical inoculation of sap extracted from the infected sugar beet leaves. Purification of BNYVV from C. quinoa comprised of extraction of infected sap in phosphate buffer, primary clarification, high speed centrifugation through a cushion of 20% sucrose and sucrose density gradient centrifugation. The light-scattering band of virus particles was formed in centrifuge tubes with more densitymainly in three sections. For preparation of antiserum, the purified virus was injected subcutaneously into a New Zeland rabbit. DAS-ELISA system was developed after isolation of γ-globulin from absorbed antiserum and preparation of enzyme-antibody conjugate. This antiserum could be used in the related research at education and research organizations. The antiserum produced was of high quality and did not react with the healthy plant sap.
کلیدواژه‌ها [English]
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