Compositional Statistical Framework for RNA Fractionation
Analysis
Description
A compositional statistical framework for absolute proportion
estimation between fractions in RNA sequencing data. 'FracFixR' addresses
the fundamental challenge in fractionated RNA-seq experiments where library
preparation and sequencing depth obscure the original proportions of RNA
fractions. It reconstructs original fraction proportions using non-negative
linear regression, estimates the "lost" unrecoverable fraction, corrects
individual transcript frequencies, and performs differential proportion
testing between conditions. Supports any RNA fractionation protocol including
polysome profiling, sub-cellular localization, and RNA-protein complex isolation.