👉 Malacanthinae, also known as the Pseudomonas species family, is a diverse group of bacteria that includes several genera and species with unique characteristics. These include the commonly used strains such as Bacillus subtilis, Bacteroides fragilis, and Pseudomonas aeruginosa. Malacanthins are characterized by their ability to produce alpha-lactose, which is an essential component for the survival of certain bacteria.