<prompt> Which of the following are non-spore forming anaerobic bacteria that assume major significance in the disease processBacteroides fragilisFusobacterium nucleatumPeptostreptococcusAll  <response>: All the above are Gram-negative non-sporing anaerobic bacilli associated commonly with a disease process. They assume major significance in the disease process Reference: Textbook of Microbiology; Anathanarayan and panikers; 10th edition; Page no: 274 