Its peptidoglycan layer is much thicker than the peptidoglycan layer on gram-negative bacilli. Gram-positive bacilli are shaped like rods ... infection of the upper respiratory tract.

Common types of bacteria found in bedding include gram-negative rods, gram-positive rods ... can accumulate over time and cause respiratory issues, allergies, or even exacerbate existing conditions.

On microscopic examination, the bacterial colonies were composed of gram-negative, bipolar rods. Biochemical identification ... One rabbit that had severe respiratory distress at the time of ...