title: Novel Approaches for Fungal Transcriptomics from Host Samples.
abstract: Candida albicans adaptation to the host requires a profound reprogramming of the fungal transcriptome as compared to in vitro laboratory conditions. A detailed knowledge of the C. albicans transcriptome during the infection process is necessary in order to understand which of the fungal genes are important for host adaptation. Such genes could be thought of as potential targets for antifungal therapy. The acquisition of the C. albicans transcriptome is, however, technically challenging due to the low proportion of fungal RNA in host tissues. Two emerging technologies were used recently to circumvent this problem. One consists of the detection of low abundance fungal RNA using capture and reporter gene probes which is followed by emission and quantification of resulting fluorescent signals (nanoString). The other is based first on the capture of fungal RNA by short biotinylated oligonucleotide baits covering the C. albicans ORFome permitting fungal RNA purification. Next, the enriched fungal RNA is amplified and subjected to RNA sequencing (RNA-seq). Here we detail these two transcriptome approaches and discuss their advantages and limitations and future perspectives in microbial transcriptomics from host material.
authors.affiliation: Institute of Microbiology, University Hospital Center, University of Lausanne Lausanne, Switzerland.
authors.forename: Sara
authors.initials: S
authors.lastname: Amorim-Vaz
authors.affiliation: Institute of Microbiology, University Hospital Center, University of Lausanne Lausanne, Switzerland.
authors.forename: Dominique
authors.initials: D
authors.lastname: Sanglard
keywords: Candida; RNA-seq; nanoString; transcriptomics
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