What metabolites are produced by a microorganism that might inhibit associated microoganisms?

Microorganisms can produce a variety of metabolites that inhibit associated microorganisms, including antibiotics, bacteriocins, and secondary metabolites like phenolics and volatile organic compounds. For example, bacteria such as Streptomyces produce antibiotics like streptomycin and penicillin that can inhibit the growth of competing bacteria. Additionally, some fungi release compounds that can suppress bacterial growth or alter microbial communities by creating an unfavorable environment for certain species. These metabolites play a crucial role in microbial competition and can influence ecological dynamics in various environments.