Question

A protein toxin produced by Bacillus thuringiensis is

• A. Thurioside
• B. Alpha toxin
• C. Pneumolysin
• D. Listeriolysin

Answer 1

The correct option is A Thurioside

Alpha toxin is produced by Staphylococcus aureus, it targets the cell membrane and results in abscesses. Pneumolysin is produced by Streptococcus pneumoniae and targets cholesterol and results in pneumonia and otitis media. Listeriolysin is produced by Listeria monocytogenes targets cholesterol and causes systemic; meningitis. Thurioside is a toxin produced by the bacterium, Bacillus thuringenesis. It is used as a bioinsecticide.

Thus, the correct answer is option A.