Purification of 146s Antigen of Foot-and-Mouth Disease (FMD) Virus Serotypes Aby Using the Sucrose Gradient Procedure
Author(s):
Abstract:
Background
Foot-and-Mouth disease (FMD) is an acute and contagious disease in domestic ruminants, which is currently the most economical viral disease that threatens the livestock industry. The virus that causes disease belongs to the Aphthovirus genus from the family of picornaviridae. This family contains seven serotypes and is about 30 nanometers in diameter and has no external membrane, similar to other picornaviruses.Objectives
In this study, we aimed to introduce the sucrose gradient procedure as a convenient method for purification of 146s antigens.Methods
Sucrose gradient procedure (20% - 50%) was used for purification of 146s antigen of foot-and-mouth disease virus serotypes A. Then, preparation steps of the virus including concentration by polyethylene glycol, degreasing using trichloroethylene, centrifugation (30000 g for three hours) and washing the pellet using Tris (0.05 M) were performed. Spectrophotometer and nano-drop were used to measure the amount of the purified protein and purity evaluation, respectively. Moreover, dot blot assay was used for the confirmation of 146s antigen.Results
The pellet of the 146s antigen of FMD virus serotype A was developed at a concentration of sucrose 50%. Absorbance rate of the Foot-and-Mouth Disease virus serotypes A at wavelengths of 240, 259 and 280 nm was 1.238, 1.573 and 1.157, respectively. Moreover, the amount of 146s antigen at the same wavelengths was 163.416, 207.636 and 152.724 μg/mL, respectively. The amount of purified protein by nanodrop (ND-1000, the United States) was 0.275 mg/mL. The 146s antigen was observed with 26, 29 and 64 KDa by sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE) and was confirmed by the dot blot assay.Conclusions
The results exhibited that sucrose gradient procedure is a good method for purification of virus.Keywords:
Language:
English
Published:
International Journal of Infection, Volume:4 Issue: 1, Jan 2017
Page:
7
magiran.com/p1617532
دانلود و مطالعه متن این مقاله با یکی از روشهای زیر امکان پذیر است:
اشتراک شخصی
با عضویت و پرداخت آنلاین حق اشتراک یکساله به مبلغ 1,390,000ريال میتوانید 70 عنوان مطلب دانلود کنید!
اشتراک سازمانی
به کتابخانه دانشگاه یا محل کار خود پیشنهاد کنید تا اشتراک سازمانی این پایگاه را برای دسترسی نامحدود همه کاربران به متن مطالب تهیه نمایند!
توجه!
- حق عضویت دریافتی صرف حمایت از نشریات عضو و نگهداری، تکمیل و توسعه مگیران میشود.
- پرداخت حق اشتراک و دانلود مقالات اجازه بازنشر آن در سایر رسانههای چاپی و دیجیتال را به کاربر نمیدهد.
In order to view content subscription is required
Personal subscription
Subscribe magiran.com for 70 € euros via PayPal and download 70 articles during a year.
Organization subscription
Please contact us to subscribe your university or library for unlimited access!