Location location location - how genome position affects gene expression

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Bacterial genomes have evolved over billions of year to allow efficient expression of the right genes at the right times. It has become clear that the same gene, placed in different locations around a bacterial chromosome can display very different levels of expression. The rules which govern this are however not fully understood. This project aims to examine how position within a genome can affect gene expression, this will help us both understand how genomes work and evolve, and allow us to rationally design synthetic chromosomes which will deliver optimised expression of important genes. The project will compare expression of millions of copies of the same gene promoters in both Salmonella and E. coli - two related species which share some genome organisation but control gene expression differently - using tools to allow expression to be measured under different conditions, and a mix of molecular microbiology, transcriptomics and informatics.