The sediment in settlement tank is called activated sludge.
A small part is pumped back into aeration tank.
Remaining major part is pumped into large anaerobic sludge digesters.
Protoxin are converted into active toxins in the alkaline pH of gut.
Bioactive molecule, cyclosporin A, that is used as an immunosuppressive agent in organ transplant patients, is produced by the fungus, Trichoderma polysporum.
Saccharomyces cerevisiae commonly known as Brewer's yeast, causes fermentation of carbohydrates and produces ethanol.
Thiobacillus denitrificans cause denitrification.
Denitrification is the process of conversion of oxides of nitrogen to free nitrogen by bacteria present in the soil.
Trichoderma species are free living fungi that are very common in the root ecosystems.
They are effective biocontrol agents of several plant pathogens.
Statins are produced by Monascus purpureus yeast.
It is used as blood-cholesterol lowering agents.
It inhibits the enzymes responsible for synthesis of cholesterol.
Bacillus thuringiensis (Bt), Trichoderma sps and Baculoviruses are used as biocontrol agents.
Curd has enriched presence of vitamins specially Vitamin B12, which improves its nutritional value than milk.
Rhodospirillum is facultative anaerobe and free living nitrogen fixer.
Mycorrhiza show symbiotic relationship between fungi and roots of higher plants.
