Abstract
Genetic engineering is the process of altering, in a premeditated fashion, the genetic makeup of an organism and has started to play an increasing role in the production and development of clinically significant antitumor compounds. Genes can be introduced into the microbial producer of medicinally relevant secondary metabolites or inactivated to achieve changes in the metabolic profile. The pharmaceutical use of natural products with anticancer activity is most often limited by factors such as low production titers or poor solubility. Genetic engineering has provided an alternative to circumvent such difficulties by affording recombinant strains capable of high titers, as well as, recombinant strains able to produce novel analogs with characteristics superior to those of the parent natural product. This chapter highlights recent genetic engineering advances that have been successfully applied to the development of natural product and natural product-based anticancer agents. Titer improvement and combinatorial biosynthesis in actinomycetes to produce new compounds will be discussed in detail.
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Acknowledgments
Studies on natural product biosynthesis, engineering, and drug discovery in the Shen laboratories are supported in part by National Institutes of Health grants AI051689, CA078747, CA094426, CA106150, CA113297, and GM086184.
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Unsin, C.EM., Rajski, S.R., Shen, B. (2013). The Role of Genetic Engineering in Natural Product-Based Anticancer Drug Discovery. In: Koehn, F. (eds) Natural Products and Cancer Drug Discovery. Cancer Drug Discovery and Development. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-4654-5_7
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