1. MICROBES IN HUMAN WELFARE

2. MICROBES  Bacteria  Fungi  Protozoa  Certain algae  Viruses  viroids

3. USEFUL ASPECTS OF MICROBES MICROBES IN HOUSEHOLD PRODUCTS INDUSTRIAL PRODUCTS SEWAGE TREATMENT BIOGAS PRODUCTION BIOCONTROL AGENT BIOFERTILI SER

4. MICROBES IN HOUSEHOLD PRODUCTS  Production of curd from milk  Check disease causing microbe in our stomach  Fermentation of dough of idli, dosa and bread  Fermentation of traditional drinks like ‘toddy’  Fermentation of fish, soyabean and bamboo shoots  Production of different varieties of cheese like ‘Swiss cheese’, ‘Roquefort cheese’ etc.

5. MICROBES IN HOUSEHOLD PRODUCTS Sl.No Name of microbesRole 1LactobacillusConvert milk into curd 2LAB- lactic acid bacteria Convert milk into curd Increase vitamin B 12 in milk Check growth of pathogens in stomach 3Saccharomyces cerevisiaefermentation 4Propionibacterium sharmanii Swiss cheese 5A specific fungiRoquefort cheese

6. MICROBES IN INDUSTRIAL PRODUCTS  Fermented beverages  Antibiotics  Chemicals  Enzymes  Bioactive molecules

7. FERMENTED BEVERAGES (YEAST)  Fermentation of fruit juices and malted cereals into ethanol.  Alcoholic drinks- (a) with distillation-whisky, rum, brandy (b) without distillation- wine, beer

8. ANTIBIOTICS  Chemical substances, produced by some microbes and can kill or retard the growth of other disease causing microbes.  E.g. Penicillin obtained from fungus Penicillum notatum.

9. CHEMICALS (Organic Acids & Alcohol) SL. NO.ChemicalsMicrobes 1Citric acidAspergillus niger (fungus) 2Acetic acidAcetobacter aceti (bacterium) 3Butyric acidClostridium butylicum bacterium) 4Lactic acidLactobacillus delbrueckii bacterium) 5ethanolSaccharomyces cereviseae (fungus)

10. ENZYMES Sl. No. Enzymes Role 1lipasesRemove oily stain from laundry 2Pectinases & proteases Clear fruit juices during bottling 3streptokinase‘clot buster’ remove blood clots from patients

11. BIOACTIVE MOLECULES Chemicals Cyclosporin A Microbes Trichoderma polysporum (fungus) Role Immuno supressive agent statinsMonascus purpureus (yeast) Lowers blood cholesterol levels