About the Project
Our lab has recently begun to investigate RNAi pathways in Cryptococcus neoformans, an opportunistic fungal pathogen that is responsible for ~1 million cases of meningitis per year in immunocompromised people. The C. neoformans genome encodes two of each of the core RNAi pathway components, Dicer and Argonaute, and our preliminary analyses of deletion mutants suggest that these proteins are involved in regulation of distinct sets of genomic loci. However, the mechanisms of regulation and their biological significance remain poorly understood.
The aim of this project is to further investigate RNAi function in Cryptococcus. We will examine the nature of the loci regulated by RNAi, and the regulatory mechanisms involved, determining whether regulation occurs at transcriptional and/or post-transcriptional levels, and identifying and characterising additional factors required for the process. We will also assess the phenotypic consequences of disrupting RNAi-mediated regulation, including testing whether RNAi is involved in changes in gene expression associated with pathogenicity. We may also look for any evidence of cross-kingdom RNAi, i.e. transfer of functional small RNAs between Cryptococcus and host cells.
The project will provide training in a broad range of molecular biology techniques including CRISPR-Cas9 genome editing, DNA, RNA and protein analyses, chromatin-IP, proteomics, and next-generation sequencing approaches such as RNA-seq and ChIP-seq. Communication, presentation and critical thinking skills will be developed through regular participation in lab meetings, journal clubs and seminars.
The School of Biological Sciences is committed to Equality & Diversity: https://www.ed.ac.uk/biology/equality-and-diversity
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