What bacterium is primarily responsible for tissue gas?

Clostridium perfringens is primarily responsible for tissue gas, which occurs when this bacterium produces gas during the decomposition of tissue. This anaerobic, spore-forming bacterium is commonly found in soil and can also be a part of the normal flora of the intestines. When tissue is damaged or becomes necrotic (dead), C. perfringens can infect the area, leading to rapid multiplication and gas production, resulting in the formation of bubbles or pockets of gas within the tissue.

The gas produced not only causes a characteristic swelling of the affected area but can also contribute to a foul odor, which is often observed during decomposition. This bacterium is especially notorious in cases of gas gangrene, a severe infection that necessitates immediate medical intervention. The understanding of C. perfringens and its role in tissue gas is crucial for those in mortuary science to anticipate and manage the postmortem changes that can occur in cadavers.