Introduction.- Micro RNA as an integral part of cell communication: regularized target prediction and network prediction.- Information Flow in a Mammalian Signal Transduction Pathway.- Information Theoretic Concepts to Unravel Cell-Cell Communication.- Finding new overlapping genes and their theory (FOG-Theory).- The Evolutive Adaptation of the Transcriptional Information Transmission in Escherichia coli.- Improving the Reliability of RNA-seq: Approaching Single-Cell Transcriptomics to Explore Individuality in Bacteria.- Morning and evening peaking rhythmic genes are regulated by distinct transcription factors in Neurospora crassa.- Evolution of the AMP-activated protein kinase controlled gene regulatory network.- Semiotic Structures and Meaningful Information in Biological Systems.- Information Transfer in the Mammalian Circadian Clock.- The DNA from a coding perspective.- Application of Methods from Information Theory in Protein-Interaction Analysis.- Identification of Causal Dependences in Gene Regulatory Networks using Algorithmic Information Theory.- An Information Theoretic Approach to Stimulus Processing in the Olfactory System.- RNA Structures as Processing Signals.