Throughout the past decade, the field of synthetic biology has grown rapidly. By using assembly platforms such as BioBricks™, scientists can quickly and easily build gene circuits or multi-step pathways. One limitation, however, is that most of these parts were designed and characterized with Escherichia coli as the target chassis. As a consequence, there exists a lack of standardized and well characterized or BioBrick™ compatible plasmid backbones that replicate in other potential non-model chassis organisms. The Gram-positive bacteria of the genus Rhodococcus represent an interesting chassis for biotechnological applications due to their tremendous metabolic capabilities. In this report we describe our progress toward developing a BioBrick™ compatible plasmid system for Rhodococcus. We demonstrate its utility for heterologous protein expression through flow cytometric analysis of the lac promoter in the oleaginous strain Rhodococcus opacus PD630.
Keywords: BioBrick™; Rhodococcus; Synthetic biology.
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