title: Upstream - news in genomics.
abstract: This report on the literature spans from May to July, highlighting breakthroughs on several important genomes, including mouse, zebrafish, Fugu and Plasmodium. Recent papers have reported on a mechanism for genome size reduction in Arabidopsis, comparisons and verifications of large-scale protein-protein interaction datasets, developments in RNA interference approaches for mammalian systems and a solidphase peptide tagging method for proteomics.