👉 Colicins are a group of small proteins that are found in several different species of bacteria, including Staphylococcus aureus and Enterobacteriaceae. These proteins play a crucial role in regulating bacterial cell wall synthesis and contribute to their virulence. The term "colicin" is derived from the Latin word "coloquium," which means "to make sour." Colicins are known for their ability to cause diarrhea, abdominal pain, and other gastrointestinal symptoms when