Rapeseed (Brassica napus L.) is the third most important oil crop in global productions. One of the major limiting factors for oilseed rape production is lepidopteran pests of the Brassicaceae family. Transgenic plants expressing Bacillus thuringiensis (Bt) genes are powerful tools in the integrated pest management of crop plants. In the present study, we used a synthetic Bt insecticidal crysta...

Background:In the recent decade, the reverse genetics method has been broadly used for rescue of negative-stranded RNA viruses from cDNA or viral minigenomes. This technique has been applied to study different steps in virus replication and virus-host interactions. Reverse genetics could also be implemented for design of new vaccines. The T7 RNA polymerase activity as well as virus (nucleocapsi...

conclusions according to the high functionality of the produced recombinant vector, it seems a good applicable tool for making an indicator cell line in subsequent basic and drug studies. results recombinant vector, pgl4ltr-luc, has expression levels of more than 50 folds compared to the control when co-transfected with the tax expressing vector into hek 293t cells. moreover, cells display more...

Human Interferon β (INF-β) is a member of cytokines family which different studies have shown its immunomodulatory and antiviral activities. In this study an expression vector was designed and constructed for expression of human INF-β-1b either in shake flasks and bench top bioreactor. The designed vector was constructed based upon pET-25b(+) with T7 promoter. Recombinant human beta interferon ...

SFL1 and SFl2 (SETH Four Like) genes are two members of SETH4 gene family in Arabidopsis thaliana expressed in saprophytic tissues. In this study, expression of SFL1 and SFL2 genes were studied using Gateway Cloning Technology. Primers were designed for PCR amplification of promoter region of SFL1 (900 bp) and SFL2 (930 bp) genes having attB1 recombination sites using Kod Hi Fi DNA polymerase e...

Human Interferon β (INF-β) is a member of cytokines family which different studies have shown its immunomodulatory and antiviral activities. In this study an expression vector was designed and constructed for expression of human INF-β-1b either in shake flasks and bench top bioreactor. The designed vector was constructed based upon pET-25b(+) with T7 promoter. Recombinant human beta interferon ...

a self-regulated high-copy number plasmid containing chloramphenicol resistant gene, for the production of recombinant proteins under the regulation of bacteriophage ?pl promoter, was constructed. the designed 5024 base pair expression plasmid contained a heat sensitive repressor ci857 coding gene to regulate the function of ?pl promoter under heat shock induction. using the constructed vector,...

camv 35s promoter activity has not been analysed in different stages of growth in oil-seed (b. napus). higher plants lack intrinsic β-glucuronidase activity, thus enhancing the sensitivity with which measurements can be made. the binary transformation vector pvw432 (buchanan-wollaston, unpublished), carrying the gus gene fused to the camv 35s promoter, was used to test transformation efficienci...

sfl1 and sfl2 (seth four like) genes are two members of seth4 gene family in arabidopsis thaliana expressed in saprophytic tissues. in this study, expression of sfl1 and sfl2 genes were studied using gateway cloning technology. primers were designed for pcr amplification of promoter region of sfl1 (900 bp) and sfl2 (930 bp) genes having attb1 recombination sites using kod hi fi dna polymerase e...

background:in the recent decade, the reverse genetics method has been broadly used for rescue of negative-stranded rna viruses from cdna or viral minigenomes. this technique has been applied to study different steps in virus replication and virus-host interactions. reverse genetics could also be implemented for design of new vaccines. the t7 rna polymerase activity as well as virus (nucleocapsi...