If a bacterium is pathogenic, it means it causes disease in humans. Listeria bacteria are anaerobic, while Corynebacterium are aerobic. Listeria and Corynebacterium species don’t make spores. Bacillus bacteria need oxygen to survive (aerobic), while Clostridia bacteria don’t ( anaerobic). These bacilli are subdivided based on their need for oxygen. This includes: Spore-formingīacillus and Clostridia bacteria can form spores, which help the bacteria survive in harsh conditions like high heat. Gram-positive bacilli are further categorized based on their ability to make spores. Most of these bacteria are typically found on the skin, but some can cause serious medical conditions. When gram-positive bacteria are shaped like rods, they’re known as bacilli. Streptococci are divided into the following categories: They’re typically found in the skin, mouth, intestinal tract, and genital tract. Like staphylococci, streptococci normally exist in the body. This happens because the cells don’t completely separate after they divide. But if staphylococci enter the body, they can cause serious infections.
#GRAM POSITIVE VS GRAM NEGATIVE BACTERIA ANTIBIOTICS SKIN#
Normally, they exist on our skin and mucous membranes without causing problems. Staphylococcus grows in grape-like clusters. The following types are gram-positive cocci: Staphylococcus The term “cocci,” which means sphere, indicates the bacteria are generally round. Gram-positive cocci are circular or oval in shape. Depending on various traits, gram-positive bacteria are further classified into the following groups: Gram-positive cocci
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