Preliminary -- Subcellular Organisation in Bacteria -- Molecular Components of the Bacterial Cytoskeleton -- Mechanosensitive Channels: Their Mechanisms and Roles in Preserving Bacterial Ultrastructure During Adaptation to Environmental Changes -- Structural and Functional Flexibility of Bacterial Respiromes -- Protein Secretion in Bacterial Cells -- Regulation of Transcription in Bacteria by DNA Supercoiling -- Quorum Sensing -- Environmental Sensing and the Role of Extracytoplasmic Function Sigma Factors -- Extracellular Sensors and Extracellular Induction Components in Stress Tolerance Induction -- Ribosome Modulation Factor -- The Role of RpoS in Bacterial Adaptation -- Phenotypic Variation and Bistable Switching in Bacteria -- Back matter.