5.2. Lipoproteins and Derivative Complexes -- 5.2.1. Lipoteichoic Acid -- 5.2.2. Glucido-Lipido-Polypeptidic Complexes -- 6. Particularities of Mycobacteria -- 7. Composition Differences of the Bacterial Walls (Cell Walls) -- 8. Conclusion -- PART II BACTERIA LIFE IN THE WILD -- CHAPTER 1 ADHERENCE IN LIVING TISSUES -- 1. Cellular Receptors -- CHAPTER 2 ADHERENCE TO A FEW ORGANS AND ORGANISMS -- 1. Man and Animals -- 1.1. Microbisms of the Mouth and Teeth -- 1.2. Microbisms of the Digestive Tube -- 1.3. Microbisms of the Stomach -- 1.4. Microbisms of the Urogenital Apparatus -- CHAPTER 3 NATURAL MICROBIOCENOSES -- 1. Vegetals -- 2. The Rhizosphere -- 3. Soils and Sediments -- 4. Aquatic Environments -- 5. Gas/Liquid Interfaces -- 6. Nonmiscible Liquid Interfaces -- 7. Microbial Activity on Interfaces -- 8. Role of Plankton in Aquatic Environments -- 9. Polymorphism of Bacteria in Nature, Agglomerates -- 10. Inert Surfaces -- 11. Conclusion -- PART III ENZYMATIC RELEASE TECHNIQUES OF BACTERIA -- CHAPTER 1 BASIC TECHNIQUES -- 1. Introduction -- 2. Attack of Host Sites or Substrates -- 2.1. Inorganic or Inert Surfaces -- 2.2. Organic Surfaces -- 2.3. Analysis of North Atlantic Seawater -- 3. Useable Enzymes -- E.C.3.1.1.3 Lipase -- E.C.3.2.1.1 Alpha-amylase -- E.C.3.2.1.2 Beta-amylase -- E.C.3.2.1.3 Amyloglucosidase -- E.C.3.2.1.4 Cellulase -- E.C.3.2.1.11 Dextranase -- E.C.3.2.1.14 Chitinase -- E.C.3.2.1.15 Pectinase -- E.C.3.2.1.17 Lysozyme -- E.C.3.2.1.18 Sialidase -- E.C.3.2.1.20 Alpha-D-glucosidase -- E.C.3.2.1.21 Beta-D-glucosidase -- E.C.3.2.1.23 Beta-galactosidase -- E.C.3.2.1.24 Alpha mannosidase -- E.C.3.2.1.26 Sucrase -- E.C.3.2.1.31 Beta-glucuronidase -- E.C.3.2.1.35 Hyaluronidase -- E.C.3.2.1.41 Pullulanase -- E.C.3.4.21.4 Trypsin -- E.C.3.4.22.2 Papain -- E.C.3.4.23.1 Pepsin -- E.C.3.4.24.3 Collagenase