Advancements and Applications in Synthetic Biology
This review examines contemporary advances in synthetic biology, focusing on novel techniques like CRISPR and gene synthesis, as well as their transformative implications in health, industrial biotechnology, and sustainable production.
1. Introduction to Synthetic Biology
Synthetic biology is a multidisciplinary field that includes designing, building, and redesigning biological systems for a variety of uses (Zhang et al., 2010). It uses an engineering method to genetically edit cells by treating DNA as reprogrammable code that can improve cell function or offer new capabilities (Singh et al., 2020). The basic goal of synthetic biology is to create living cells or organisms with specified planned functions (Wang et al. 2018). This discipline combines genomics, protein engineering, metabolic engineering, and bioinformatics (Liang et al., 2010).
Synthetic biology has reached key milestones throughout history, including the development of the first synthetic cell, which constituted a breakthrough in the science and highlighted its potential uses in a variety of industries such as health, energy, and agriculture (Zhang et al., 2011). Bottom-up synthetic biology, or the construction of systems that imitate live cells from the ground up, has evolved over time (Guindani et al., 2022). Enzymes are important in synthetic biology because they help with the production of molecules with specialized functionalities (Go et al., 2015).
Current synthetic biology research focuses on developing tools and approaches to improve control over biological interactions, ultimately leading to comprehensive cellular optimization (Young & Alper, 2010). Furthermore, breakthroughs in artificial intelligence and machine learning are being used to speed up the design and building of biological systems, driving development in synthetic biology (Wang, 2023). The area also addresses ethical concerns, emphasizing the importance of addressing the societal and ethical aspects of synthetic biology research and products (Yearley, 2009).
In essence, synthetic biology is a fast evolving subject that seeks to create biological systems for practical applications. By combining ideas from several disciplines, synthetic biology continues to push the frontiers of generating novel biological entities and systems with personalized functionality.
2. Techniques and Methodologies
“Genetic engineering. Principles and methods” (1987) describes the alteration of an organism’s genetic material to create specific features or functionalities. This technique frequently includes gene synthesis, in which fake genes are generated and placed into an organism’s genome to synthesize desired proteins or chemicals (Ajikumar et al., 2010). In metabolic engineering, synthetic biology technologies are used to optimize metabolic pathways within cells in order to increase the production of useful molecules such as medications or biofuels. CRISPR/Cas systems have revolutionized genome editing by providing a precise and adaptable way for modifying DNA sequences in a variety of organisms (Paddon & Keasling, 2014).
CRISPR-based technologies have dramatically improved genome editing capabilities, enabling targeted alterations in a wide range of organisms (Quin, 2014). These methods have proved used in metabolic engineering efforts, allowing for precise manipulation of genetic pathways to increase the production of certain metabolites (Chubukov et al., 2016). Synthetic biology approaches, together with CRISPR technologies, have enabled the development of novel ways for optimizing metabolic networks in microbial systems (Yadav et al., 2012). Researchers have engineered microbial cells to produce biofuels and drugs more efficiently using systems biology and synthetic biology principles (Liu et al., 2014).
The merging of synthetic biology and metabolic engineering has enabled the development of microbial cell factories capable of generating valuable substances in large quantities (Stephanopoulos, 2012). Advances in synthetic biology tools and approaches have allowed for the creation, manipulation, and optimization of metabolic pathways in engineered microbes to produce desired phenotypes (Keasling, 2012). Researchers have successfully rewired biological processes to achieve specific production goals by integrating metabolic engineering ideas with synthetic biology approaches (Lee et al., 2008). Metabolic engineering and synthetic biology have the potential to revolutionize the design and optimization of microbial systems for a wide range of industrial applications (Ahmed, 2020).
3. Applications and Future Directions
In terms of medical and pharmaceutical breakthroughs, synthetic biology has showed promise in transforming medication research and manufacturing procedures. Synthetic biology, which re-engineers organisms, has the potential to lead to cheaper medicine manufacture, renewable energy sources, and tailored therapeutics for diseases such as cancer and antibiotic-resistant “superbugs” (Khalil & Collins, 2010). The integration of cutting-edge omics, genome editing, and synthetic biology methods has important implications for the pharmaceutical and medical industries, paving the way for the development of bioactive chemicals and innovative therapeutic agents (Rizzo et al., 2020).
Industrial biotechnology will gain substantially from synthetic biology applications, particularly in terms of sustainable manufacturing. Researchers can use synthetic biology technologies to optimize metabolic pathways within microbial systems, increasing production of biofuels, medicines, and other useful substances (Purnick & Weiss, 2009). The potential to develop creative systems using synthetic biology methodologies brings up new opportunities for bioremediation, sustainable energy production, and medicinal therapeutics (Purnick & Weiss, 2009).
Looking ahead, synthetic biology has tremendous potential for a wide range of applications. The area is transitioning from modular techniques to more comprehensive systems, allowing for the creation of novel strategies in a variety of industries, including health, environmental technology, and biotechnology (Purnick & Weiss, 2009). The biosynthesis of novel pharmaceuticals from secondary metabolites is one of synthetic biology’s most promising applications, demonstrating its versatility and influence on drug discovery and production (Medema et al. 2010).
Ethical issues are critical in determining the future direction of synthetic biology. Responsible research and innovation (RRI) are critical components that must be integrated into the development and deployment of synthetic biology technologies (Gregorowius and Deplazes-Zemp, 2016). As synthetic biology develops toward clinical applications, ethical frameworks must be built to ensure that these technologies are used safely and responsibly (Ruder et al., 2011). The societal impact of synthetic biology poses critical problems about governance, risk assessment, and public involvement, as well as the ethical implications of this fast growing subject (Gregorowius & Deplazes-Zemp, 2016).
Finally, synthetic biology’s applications in medical breakthroughs, industrial biotechnology, and sustainable manufacturing have the potential to change a variety of industries. As the science advances, addressing ethical concerns and societal implications will become critical in directing the appropriate development and deployment of synthetic biology technologies.
References
Go, M., Wongsantichon, J., Cheung, V., Chow, J., Robinson, R., & Yew, W. (2015). Synthetic polyketide enzymology: platform for biosynthesis of antimicrobial polyketides. Acs Catalysis, 5(7), 4033-4042. https://doi.org/10.1021/acscatal.5b00477
Guindani, C., Silva, L., Cao, S., Ivanov, T., & Landfester, K. (2022). Synthetic cells: from simple bio‐inspired modules to sophisticated integrated systems. Angewandte Chemie, 61(16). https://doi.org/10.1002/anie.202110855
Liang, J., Luo, Y., & Zhao, H. (2010). Synthetic biology: putting synthesis into biology. Wiley Interdisciplinary Reviews Systems Biology and Medicine, 3(1), 7-20. https://doi.org/10.1002/wsbm.104
Singh, A., Walker, K., Ledesma-Amaro, R., & Ellis, T. (2020). Engineering bacterial cellulose by synthetic biology. International Journal of Molecular Sciences, 21(23), 9185. https://doi.org/10.3390/ijms21239185
Wang, F. (2023). Synthetic biology: from the past to the future. Academic Journal of Science and Technology, 5(2), 95-101. https://doi.org/10.54097/ajst.v5i2.6290
Wang, Y., Shen, Y., Gu, Y., Zhu, S., & Yin, Y. (2018). Genome writing: current progress and related applications. Genomics Proteomics & Bioinformatics, 16(1), 10-16. https://doi.org/10.1016/j.gpb.2018.02.001
Yearley, S. (2009). The ethical landscape: identifying the right way to think about the ethical and societal aspects of synthetic biology research and products. Journal of the Royal Society Interface, 6(suppl_4). https://doi.org/10.1098/rsif.2009.0055.focus
Young, E. and Alper, H. (2010). Synthetic biology: tools to design, build, and optimize cellular processes. Journal of Biomedicine and Biotechnology, 2010, 1-12. https://doi.org/10.1155/2010/130781
Zhang, L., Chang, S., & Wang, J. (2010). How to make a minimal genome for synthetic minimal cell. Protein & Cell, 1(5), 427-434. https://doi.org/10.1007/s13238-010-0064-4
Zhang, L., Chang, S., & Wang, J. (2011). Synthetic biology: from the first synthetic cell to see its current situation and future development. Chinese Science Bulletin, 56(3), 229-237. https://doi.org/10.1007/s11434-010-4304-z
(1987). Genetic engineering. principles and methods. Gene, 52(1), 116-117. https://doi.org/10.1016/0378-1119(87)90433-1
Ahmed, M. (2020). Synthetic biology—metabolic engineering. huimin‐zhao and an‐pingzeng. springer international publishing, series in advances in biochemical engineering/biotechnology 2018. viii +322 pp. 291.19 €. online isbn 978‐3‐319‐55318‐4; print isbn 978‐3‐319‐55317‐7. Aiche Journal, 66(10). https://doi.org/10.1002/aic.16643
Ajikumar, P., Xiao, W., Tyo, K., Wang, Y., Simeon, F., Leonard, E., … & Stephanopoulos, G. (2010). Isoprenoid pathway optimization for taxol precursor overproduction in escherichia coli. Science, 330(6000), 70-74. https://doi.org/10.1126/science.1191652
Arazoe, T., Kondo, A., & Nishida, K. (2018). Targeted nucleotide editing technologies for microbial metabolic engineering. Biotechnology Journal, 13(9). https://doi.org/10.1002/biot.201700596
Chubukov, V., Mukhopadhyay, A., Kim, Y., Keasling, J., & Martín, H. (2016). Synthetic and systems biology for microbial production of commodity chemicals. NPJ Systems Biology and Applications, 2(1). https://doi.org/10.1038/npjsba.2016.9
Keasling, J. (2012). Synthetic biology and the development of tools for metabolic engineering. Metabolic Engineering, 14(3), 189-195. https://doi.org/10.1016/j.ymben.2012.01.004
Lee, S., Chou, H., Ham, T., Lee, T., & Keasling, J. (2008). Metabolic engineering of microorganisms for biofuels production: from bugs to synthetic biology to fuels. Current Opinion in Biotechnology, 19(6), 556-563. https://doi.org/10.1016/j.copbio.2008.10.014
Liu, Y., Shin, H., Li, J., & Liu, L. (2014). Toward metabolic engineering in the context of system biology and synthetic biology: advances and prospects. Applied Microbiology and Biotechnology, 99(3), 1109-1118. https://doi.org/10.1007/s00253-014-6298-y
Paddon, C. and Keasling, J. (2014). Semi-synthetic artemisinin: a model for the use of synthetic biology in pharmaceutical development. Nature Reviews Microbiology, 12(5), 355-367. https://doi.org/10.1038/nrmicro3240
Quin, M. (2014). Designer microbes for biosynthesis. Current Opinion in Biotechnology, 29, 55-61. https://doi.org/10.1016/j.copbio.2014.02.014
Stephanopoulos, G. (2012). Synthetic biology and metabolic engineering. Acs Synthetic Biology, 1(11), 514-525. https://doi.org/10.1021/sb300094q
Yadav, V., Mey, M., Lim, C., Ajikumar, P., & Stephanopoulos, G. (2012). The future of metabolic engineering and synthetic biology: towards a systematic practice. Metabolic Engineering, 14(3), 233-241. https://doi.org/10.1016/j.ymben.2012.02.001
Gregorowius, D. and Deplazes-Zemp, A. (2016). Societal impact of synthetic biology: responsible research and innovation (rri). Essays in Biochemistry, 60(4), 371-379. https://doi.org/10.1042/ebc20160039
Khalil, A. and Collins, J. (2010). Synthetic biology: applications come of age. Nature Reviews Genetics, 11(5), 367-379. https://doi.org/10.1038/nrg2775
Medema, M., Breitling, R., Bovenberg, R., & Takano, E. (2010). Exploiting plug-and-play synthetic biology for drug discovery and production in microorganisms. Nature Reviews Microbiology, 9(2), 131-137. https://doi.org/10.1038/nrmicro2478
Purnick, P. and Weiss, R. (2009). The second wave of synthetic biology: from modules to systems. Nature Reviews Molecular Cell Biology, 10(6), 410-422. https://doi.org/10.1038/nrm2698
Rizzo, P., Altschmied, L., Ravindran, B., Rutten, T., & D’Auria, J. (2020). The biochemical and genetic basis for the biosynthesis of bioactive compounds in hypericum perforatum l., one of the largest medicinal crops in europe. Genes, 11(10), 1210. https://doi.org/10.3390/genes11101210
Ruder, W., Lu, T., & Collins, J. (2011). Synthetic biology moving into the clinic. Science, 333(6047), 1248-1252. https://doi.org/10.1126/science.1206843