Optimization of Gene Design, PCR Assembly and Site-Directed Mutagenesis for the Synthesis of Beauveria Bassiana Protease Gene

Azali, Muhammad Azharuddin; Mohamed, Salmah; Harun, Azian; Shamsuddin, Shaharum; Johan, Muhammad Farid

doi:10.22059/jsciences.2021.306311.1007547

Document Type : Original Paper

Authors

¹ 1 Department of Haematology, School of Medical Sciences, Universiti Sains Malaysia, 16150 Kubang Kerian, Kelantan, Malaysia. 2 School of Agriculture Science and Biotechnology, Faculty of Bioresources and Food Industry, Universiti Sultan Zainal Abidin, 22200 Besut, Terengganu, Malaysia

² 2 School of Agriculture Science and Biotechnology, Faculty of Bioresources and Food Industry, Universiti Sultan Zainal Abidin, 22200 Besut, Terengganu, Malaysia.

³ 3 Department of Microbiology & Parasitology, School of Medical Sciences, Universiti Sains Malaysia, 16150 Kubang Kerian, Kelantan, Malaysia.

⁴ 4 School of Health Sciences, Universiti Sains Malaysia, 16150 Kubang Kerian, Kelantan, Malaysia. 5 Institute for Research in Molecular Medicine (INFORMM), Universiti Sains Malaysia, 16150 Kubang Kerian, Kelantan, Malaysia

⁵ 1Department of Haematology, School of Medical Sciences, Universiti Sains Malaysia, 16150 Kubang Kerian, Kelantan, Malaysia

https://doi.org/10.22059/jsciences.2021.306311.1007547

Abstract

Synthetic gene construction is one of the components of synthetic biology. It can be used for various purposes such as to optimize gene expression. In this study, we proposed six predetermined criteria for designing oligos for the synthesis of the Beauveria bassiana protease gene. These criteria were set up to optimize the cost and to accommodate the oligos assembly. A total of 44 overlapping oligos were designed and synthesized 0.5 µM of oligos mixture was used in assembly PCR together with high fidelity DNA polymerase to produce 1.1 kbp fragment. The gene was visualized by agarose gel electrophoresis before subcloned into pCR™2.1-TOPO. The sequence of the gene was verified by DNA sequencing. Site-directed mutagenesis was performed to repair errors resulted from the gene synthesis. A sharp and distinguished band of the expected size of the protease gene was observed in agarose gel electrophoresis. Errors in the sequence which was detected by DNA sequencing were successfully repaired using our simplified site-directed mutagenesis protocol. The result indicated long DNA sequences (>1 kbp) can be synthesized with less error by using our method. Additionally, this method was easy to perform because it would require minimum optimization to synthesize other genes by following our guidelines.

Keywords

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Journal of Sciences, Islamic Republic of Iran

Optimization of Gene Design, PCR Assembly and Site-Directed Mutagenesis for the Synthesis of Beauveria Bassiana Protease Gene

References

References

Volume 32, Issue 1
March 2021
Pages 5-14

Optimization of Gene Design, PCR Assembly and Site-Directed Mutagenesis for the Synthesis of Beauveria Bassiana Protease Gene

References

References

Volume 32, Issue 1March 2021Pages 5-14

Volume 32, Issue 1
March 2021
Pages 5-14