Identification of differentially expressed proteins in Ficedula flycatchers

This is the first report on the large-scale identification and comparison of proteins in non-model organisms, Ficedula flycatchers. It highlights the potential of proteomics approaches in both non-sequenced and non-model organisms for identification of differentially expressed proteins. Not surprisingly, more than 55% of the proteins failed to be identified even though the MS spectra were of high quality. Nevertheless, the protein information obtained in this study will serve as a valuable resource for continued research.