What organism would be the best source of an antibacterial compound that would limit the growth of a particular kind of soil bacteria?

Question

Quizplus · Accepted Answer

Fungi are known to produce a wide variety of secondary metabolites, including antibacterial compounds, which can help them compete with other microorganisms in their environment. Therefore, it is possible that fungi from the same soil could produce an antibacterial compound that would limit the growth of a specific kind of soil bacteria.

What Organism Would Be the Best Source of an Antibacterial