... technologiesPyrosequencingMetagenomicsActivity Activity ScreeningScreeningCourtesy Oded BejaFigure 6. Schematic overview of the metagenomics process 42 | Marine Biotechnology: A New Vision and Strategy for ... more complex (exons, introns, splicing), (ii) highly complex RNA infrastructure (small and long non-coding RNAs, RNA interference, RNA editing, etc.), (iii) large amounts of non-coding DNA (can ... and demand more resources to complete annotation, (ii) genetic engineering opportunities are very different according to the species, and (iii) transcriptomics and proteomics are very complex...