210 



INDEX 



Lock and key analogy, 37 

 Logarithmic growth phase, 75 

 Lysine, 51, 97, 99, 168, 174 

 — decarboxylase, 36, 167-8 



MAGNESIUM, 34, 83, 86, 165 

 Mahc dehydrogenase, 26, 46, 101 

 Malonic acid, 37, 38 

 Maltase, 52, 143 

 Maltose, 51, 64 

 Manganese, 165 

 Marfanil, 202 



Maximum stationary phase, 75 

 Membrane equilibria, 83 

 Meningococcus, 20 

 Metabolites, essential, 82, 114 

 Methane formation, 48, 154-5 



— oxidation, 87 

 Metkanobacter, 48, 154 



— omeliansJci, 154 

 Methionine, 97, 98, 105, 161 

 Methyl alcohol, 155 



— red test, 137 

 Microaerophilic bacteria, 13 

 Microbiological assay, 110-12 

 Micrococcus lysodeikticus, 30, 54 



— pyogenes, 20 

 Milk, 20 



Molasses, 105, 143, 177 

 Molybdenum, 83, 84, 92 

 Morphology, 11 

 Mud organisms, 86 

 Multiplication rate, 8, 75 

 Mustard gas, 61 

 Mutation, 23, 59-63, 104 

 Mycobacterium tuberculosis, 45 



N-ACETYL-GLUCOSAMINE, 192 

 Natural antibiotics, 198-201 

 Nature of bacteria, 10-23 

 Neisseria gonorrhoeae, 20 



— intracellularis, 20 

 Neurospora, 59, 95 



— p-amino-benzoic-less mutant, 



113 



— genetic constitution, 59, 61 



— mutants, 59, 61, 96-8 



— tryptophan synthesis, 98 



Neutrahsation mechanisms, 9, 



71-2, 110, 137, 144 

 Nicotinamide, 58, 89, 100, 116 

 Nicotinamide-nucleoside, 100 

 Nicotinic acid, 100, 103, 110, 111, 



113, 117 

 Nitratase, 48, 183 

 Nitrate reduction, 182-3 

 Nitrification, 84, 181, 185 

 Nitrobacter, 19, 84, 176, 182 

 Nitrogen, atmospheric, 89, 176-81 

 — fixation, 89, 176-81 

 Nitrogen-cycle, 176-85 

 Nitrophenol, 154 

 Nitrosomonas, 19, 86, 176, 182 

 Nodules, 177-81 

 Non-exacting heterotrophes, 92 

 Nucleic acid, 81 

 Nutrient salt mixture, 83 

 Nutrition, 36, 83-110 

 Nutritional antagonism, 112-15 



OPTICAL specificity, 25 

 Optimum pYL, 24, 72 



— temperature, 74 

 Orders, 15 



Ornithine, 36, 97, 166, 171-3 



— decarboxylase, 54, 168-70 

 Oxalacetic acid, 26, 27, 46, 94-6, 



104, 135, 153, 179-80 



— decarboxylase, 27, 54, 134-5 

 Oxidase systems, 42-3 

 Oxidation mechanisms, 5, 38-48, 



58 

 Oxidative assimilation, 154 



— deamination, 160 



— energy, 55, 148, 156 



— phosphorylation, 153 

 Oximo-succinic acid, 180 

 Oxygen requirement, 13 



PANTOTHENIC acid, 35, 89, 103, 



104, 108, 109, 112 

 Pantoyl-taurine, 97, 99, 115, 116 

 Pararosaniline, 12, 203 

 Parasitic existence, 74, 106, 109, 



110 

 Parasympatheticomimetic drugs, 



169 



