Expressionsniveau
Expressionsniveau is a term used to describe the quantitative level at which a gene, transcript, or protein is expressed in a given biological sample. It aims to reflect the abundance of the RNA or protein and hence the activity of the underlying gene in a particular tissue, cell type, or environmental condition. In practice, the concept is most commonly encountered in transcriptomics and proteomics, where expression levels are measured and compared across samples.
In transcriptomic workflows, expressionsniveau is typically derived from sequencing or hybridization data. RNA sequencing (RNA-Seq) yields
Expressionsniveau is central to differential expression analysis, where researchers identify genes whose expression differs significantly between
Limitations and caveats include that mRNA abundance does not always mirror protein levels due to post-transcriptional