❤️💜💊Mansis Corner of Cells and Science💊💜❤️

🌱 Microbial Inoculants Meaning: Inoculants = solutions that contain helpful microbes, made by fermentation. How they are used: Sprayed on seeds before sowing. Some microbes get released into plants after sowing. Role in Plants: Supply nutrients → help in plant growth. Improve the quality of food. Example: Solution containing Azotobacter and artificial nitrogen is used in organic farming. Advantage: Reduce use of chemical fertilizers (which cause soil pollution). Harmful pesticides like Fluoroacetamide damage plants, animals, and even humans. Microbes in inoculants can decompose these harmful chemicals, protecting soil and environment. ---------------------------------------------------------------------- 🐛 Bioinsecticides (Biopesticides) Meaning: Natural insect-killing products made from bacteria, fungi, or viruses. How they work: Microbes produce toxins that kill pests and pathogens. Insects do not eat plants treated with these toxins (they die instead). Examples: Spinosad → a by-pr...

Clean Technology Meaning Clean Technology = Using microbes to reduce air, soil, and water pollution caused by human activities. Microbes have natural ability to decompose manmade chemicals like hydrocarbons, plastics, and toxic metals. ---------------------------------------------------------------------- Ways Microbes Help in Clean Technology 1. Removing Pollution from Fuels: -Some microbes remove sulphur from fuels. -Helps reduce air pollution from burning fuels. 2. Controlling Metal Pollution: -Metals like copper, iron, uranium, zinc, etc. leak into environment from low-quality ores. -Microbes like Thiobacillus and Sulphobacillus convert these metals into safe compounds before leaching. 3. Cleaning Oil Spills in Oceans -Oil spills are dangerous for aquatic life. -Mechanical cleaning cannot remove the oil completely. Microbes like: •Pseudomonas spp. •Alcanovorax borkumensis -These are hydrocarbonoclastic bacteria (HCB) → they decompose hydrocarbons into CO₂ and water. 4. Plastic Deco...

Landfilling (Modern Landfill Site) - Definition: Disposal of degradable urban waste in large pits outside cities. ● How it's done:  - Garbage dumped into pit. - Pit lined with plastic sheet → prevents toxic substances from leaking into soil. - Soil cover added layer by layer. - Methane gas produced during decomposition. -Collection of sewage at bottom. -Processing on sewage carried out. -Well to monitor ground water level (to avoid pollution). Process: 1. Compressed waste is dumped into pit. 2. Covered with soil, saw dust, leafy waste, and biochemicals. 3. Microbes present in soil decompose waste. 4. Completely filled pit is sealed with soil slurry. 5. After few days, best quality compost is formed. 6. Landfilling sites can be reused after removal of compost. Advantages: - Controls urban waste safely. - Prevents ground water pollution. - Produces compost that can be reused. - Sites can be reused in future. ----------------------------------------------------------------------- Sewa...

● Antibiotics Meaning: Medicines made from bacteria and fungi that kill or stop harmful microbes. Examples: Penicillin, Cephalosporins, Streptomycin, Tetracyclines, Rifamycin (for TB). Precautions: •Take only with doctor’s advice. •Complete the full course. •Do not take unnecessarily (causes resistance). ---------------------------------------------------------------------- ● Microbes and Fuels Biogas Plant: Decomposes agricultural waste, dung, and sewage. Useful Fuels Made by Microbes: 1. Methane – from anaerobic decomposition of waste. 2. Ethanol (alcohol) – from fermentation of molasses by yeast (Saccharomyces). 3. Hydrogen gas – from photoreduction of water by bacteria (fuel of the future). ---------------------------------------------------------------------- ● Biofuel Meaning: Fuel made from biomass (plants or waste) using microbes. Types: Solid (wood, crop residue) Liquid (ethanol, biodiesel) Gas (biogas, hydrogen gas) Importance: Renewable source of energy. Environment friendly...

Microbial Enzymes What are they? Microbial enzymes are special proteins made by microbes (like bacteria and fungi) that are used in industries instead of chemical catalysts. Why are they better than chemical catalysts? 1. Work in Mild Conditions: They work well at low temperature, low pH, and low pressure.    · This saves energy.    · There is no need for expensive, erosion-proof instruments. 2. Very Specific: Each enzyme does one specific job.    · This means no unnecessary by-products are formed.    · This lowers the cost of purification. 3. Eco-Friendly:    · They produce less waste.    · The enzymes can be reused. 4. Examples of Microbial Enzymes: Oxidoreductases, Transferases, Hydrolases, Lysates, Isomerases, Ligases. Where are they used? · Detergents: Added to detergents to help remove dirt at low temperatures. · Food Industry: Used to convert corn flour into glucose and fructose syrup (using enzymes from Bacilli and Stre...

Probiotics · What are they? Milk products that contain live, active bacteria (e.g., Lactobacillus, Acidophilus, Bifidobacterium bifidum). · How do they work? - They help maintain a healthy balance in your intestines by:   · Increasing the population of good, helpful microbes.   · Decreasing the population of harmful microbes (like Clostridium). - Why are they important?   · They improve digestion and resistance to illness.   · They lower the bad effects of harmful substances.   · They reactivate useful microbes that have been harmed by antibiotics. - Forms: Found in yoghurt, kefir, sauerkraut, dark chocolate, miso soup, pickles, and microalgae like Spirulina. - Uses: Also used to treat diarrhoea and in poultry farming. ------------------------------------------------------------------------ Bread Production · Key Microbe: Baker's yeast - Saccharomyces cerevisiae. · Process:   1. Yeast is mixed with flour, water, and salt to make dough.   2. The yeast f...

Notes on Dairy Products 1. Why are they made? · Milk is converted into products like cheese, butter, cream, kefir, and yoghurt for preservation. · This process changes the water content and acidity, which improves the texture, taste, and flavour. 2. How are they made? (General Process) · Pasteurization: Milk is first heated to destroy unwanted microbes. · Fermentation: Helpful bacteria called Lactobacilli are added. · The Science:   · Bacteria eat the lactose (milk sugar) and convert it into lactic acid.   · The lactic acid coagulates (clumps together) the milk proteins, making it thick.   · This process also creates new flavours (e.g., Diacetyl, which tastes like butter). 3. Microbes Used: · Most products (Yoghurt, Butter): Use bacteria. · Cheese: Uses bacteria and fungi. ----------------------------------------------------------------------- Yoghurt · Microbes Used: Streptococcus thermophilus and Lactobacillus delbrueckii (added in a 1:1 ratio). · Process:   1. Mil...

Applied Microbiology · It is a branch of biology. · It involves the study of:   - Enzymes from prokaryotes and eukaryotic microbes.   - Proteins.   - Applied genetics.   - Molecular biology. · Use: This knowledge is used to produce products like food and medicines on a large scale for society. Industrial Microbiology · It is the commercial use of microbes. · It includes economic, social, and environment-related processes and products. · It carries out microbial processes for this purpose. Main Features of Industrial Microbiology A. Production using Fermentation · Examples: Bread, cheese, wine, chemicals, enzymes, nutrients, medicines. B. Use of Microbes for Environmental Management · Garbage management. · Pollution control. Regards Mansi