Question : How Bacillus thuringiensis provides insect resistance? – InterviewSolution

InterviewSolution

1.	Question : How Bacillus thuringiensis provides insect resistance?
Answer» Solution :During sporulation Bacillus thuringiensis produces CRYSTAL proteins called Delta - endotoxin whichis encoded by CRY genes . Delta -endotoxins have specific activities against the insects of the ORDERS Lepidoptera , Diptera , Coleoptera and Hymenoptera . When the insects ingestthe toxin crystals their alkaline digestive tract denaturesthe INSOLUBLE crystals making them soluble . The cry toxin then gets inserted into the gut CELL membrance and paralyzes the digestive tract . The insect then stops eating and starves to death.

Discussion

No Comment Found

Related InterviewSolutions

Question : Which is the most common mechanism of genetic variation in the population of a sexually reproducing organism?
Question : Which is the most common methods of fossilization? Explain how it occurs.
Question : Which is the most common mechanism of genetic variation in the population of a sexually reproducing organism ?
Question : Which is the microscopic parasitic animal ?
Question : Which is the method of temporary birth control that reduces the chances of pregnancy by 80%? Write the fact on which this method is based.
Question : Which is the main cause to convert water bodies into land ?
Question : Which is the lowest level of ecological organisation ?
Question : Which is the longest cell of the human body ?
Question : Which is the longest bone of the body ?
Question : Which is the link between glycolysis and Krebs cycle·?