Cytoplasmic cloning and expression of HA1 and HA2 gene of avian influenza H9N2 gene in Lactococcus lactis
محل انتشار: دومین کنفرانس بین المللی فناوری های نوین در علوم
سال انتشار: 1397
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 563
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شناسه ملی سند علمی:
CMTS02_028
تاریخ نمایه سازی: 29 تیر 1398
چکیده مقاله:
H9N2, a type of influenza virus, is one of the major problems that poultry farms in Iran are facing nowadays. In this study, a part of HA1 and HA2 genes, coding for antigenic sites of virus, were amplified and cloned into suitable lactococcal expression system as preliminary step for construction and evaluation of a live vaccine. The target gene was amplified by RT-PCR and cloned into pNZ8148, lactococcal expression vectors, for expressing cytoplasmic heterologous protein, to yield and pNZ8148-HA/C. After preliminary transformation into E. coli MC1061, the plasmids were extracted and transformed to L. lactis NZ9000 by electroporation. During each steps, the location and accuracy of genes sequence were confirmed by colony PCR, restriction enzyme analysis and sequencing. SDS-PAGE and silver staining of His-tagged purified proteins from recombinant bacteria revealed that the HA was successfully expressed in cytoplasmic form.
کلیدواژه ها:
نویسندگان
Mahvash Karimi Madab
Veterinary Organization, Yasuj, Iran
Habibolah Dadras
Department of Clinical Sciences, School of Veterinary Medicine, Shiraz University, Shiraz, Iran
Arsalan Hosseini
Department of Pathobiology, School of Veterinary Medicine, Shiraz University, Shiraz, Iran
Seyedeh Alemeh Hosseinian
Department of Clinical Sciences, School of Veterinary Medicine, Shiraz University, Shiraz, Iran