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Preface ix <p><b>1 The Background 1</b></p> <p>1.1 Meet the cast 1</p> <p>1.2 Food for microbes 13</p> <p>1.3 Basic molecular biology 15</p> <p><b>2 Microbes and Health 19</b></p> <p>2.1 Microbes in the body 19</p> <p>2.2 Defences against infection 26</p> <p><b>3 Microbial Infections 33</b></p> <p>3.1 Diseases of the past 33</p> <p>3.2 Diseases of the present 45</p> <p>3.3 Opportunist infections 50</p> <p>3.4 ‘New’ diseases 52</p> <p>3.5 Animal diseases 58</p> <p><b>4 Prevention and Cure 63</b></p> <p>4.1 Epidemics 63</p> <p>4.2 Antibiotics 72</p> <p><b>5 Microbes and Food – Friend and Foe 83</b></p> <p>5.1 Food spoilage 83</p> <p>5.2 Food preservation 86</p> <p>5.3 Fermented foods 88</p> <p>5.4 Food poisoning and food-borne diseases 91</p> <p><b>6 Microbes and the Environment 97</b></p> <p>6.1 Water 100</p> <p>6.2 Soil 107</p> <p>6.3 Plants 108</p> <p>6.4 Biodegradation 112</p> <p>6.5 Extreme environments 116</p> <p><b>7 Microbial Evolution – Genes and Genomes 119</b></p> <p>7.1 Evolution and inheritance 119</p> <p>7.2 Horizontal gene transfer 122</p> <p>7.3 Variation in gene expression 128</p> <p>7.4 Gene cloning and sequencing 131</p> <p><b>8 Microbial Development and Communication 141</b></p> <p>8.1 Cell division 141</p> <p>8.2 Motility 145</p> <p>8.3 Biofilms 146</p> <p>8.4 Quorum sensing 150</p> <p>8.5 Bacterial sporulation 152</p> <p>8.6 Multicellular behaviour 153</p> <p>8.7 Biological clocks 156</p> <p><b>9 Microbial Biotechnology – Practical Uses of Microbes 159</b></p> <p>9.1 Amino acids 160</p> <p>9.2 Biofuels 161</p> <p>9.3 Microbes and metals 163</p> <p>9.4 Oil spills 166</p> <p>9.5 Sewage and water treatment 168</p> <p>9.6 Antibiotics and other medical products 170</p> <p>9.7 Vaccines 172</p> <p>9.8 Proteins 177</p> <p><b>10 Controversies and Speculations 181</b></p> <p>10.1 Evolution and the origins of life 181</p> <p>10.2 Is there life elsewhere in the universe? 186</p> <p>10.3 Creating new life 187</p> <p>10.4 Is it safe? Assessment of risk, risk versus benefit 187</p> <p>10.5 Superbugs and killer viruses 192</p> <p>10.6 Microbes and climate change 193</p> <p>10.7 Microbes and non-infectious diseases 195</p> <p>10.8 Epilogue 200</p> <p>Appendix 1: Explanations 201</p> <p>A1.1 Monomers and polymers 201</p> <p>A1.1.1 Sugars and polysaccharides 201</p> <p>A1.1.2 Amino acids and proteins 202</p> <p>A1.1.3 Nucleic acids 204</p> <p>A1.1.4 Fats and lipids 205</p> <p>A1.2 Enzymes and catalysis 206</p> <p>A1.2.1 Oxidation and reduction, respiration and photosynthesis 206</p> <p>A1.2.2 Hydrolysis 208</p> <p>A1.2.3 Polymerization 208</p> <p>Appendix 2: Abbreviations and Terminology 211</p> <p>A2.1 Abbreviations and jargon 211</p> <p>A2.2 Numbers 213</p> <p>A2.3 Units 214</p> <p>Appendix 3: Further Reading 215</p> <p>Subject Index 217</p> <p>Index of Names 229</p>

<p>“The book encourages a better understanding of the microbial word with many practical implications in biotechnological phenomena that will be the foundation of the next years. Also, the book gives interesting information about the lessons from nature and presents excellent and suggestive illustrations.”  (<i>Environmental Engineering and Management Journal</i>, 1 February 2014)</p> <p>“The author does not sacrifice accuracy when clearly and concisely presenting the latest developments in molecular biology, food microbiology, microbial evolution, biotechnology, etc. Summing Up: Highly recommended. Lower- and upper-division undergraduates and general readers.”  (<i>Choice</i>, 1 August 2013)</p>

<p><strong>Jeremy W. Dale</strong>, Professor Emeritus, Faculty of Health and Medical Sciences, University of Surrey, Guildford, UK.

<p>We can’t see them, but microbes are the dominant form of life on Earth. They make up half of the world’s biomass. They were here billions of years before we were, and they will be here after we are gone. Without their activity, life as we know it would be impossible. Even within our own bodies, there are ten times as many bacterial cells as human cells. <i>Understanding Microbes</i> provides a clear, accessible introduction to this world of microbes.</p> <p>As well as looking at a selection of infectious diseases, including how they are prevented and treated, the book explores the importance of microbes in the environment, in the production and preservation of food, and their applications in biotechnology.</p> <p>This lively and engaging book provides the basics of microbiology, in a contemporary context. It will be equally useful for students across the biological, environmental and health sciences, and for the curious reader wanting to learn more about this fascinating subject.</p> <ul> <li>A highly-readable, concise introduction to the basics of microbiology placed in the context of the very latest developments in molecular biology and their impact on the microbial world.</li> <li>Numerous real-world examples range from how cows digest grass to the role of microbes in cancer and the impact of climate change</li> <li>Well-illustrated in full colour throughout.</li> <li>Written by an Author with a proven track record in teaching, writing and research.</li> </ul>

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