Like most siderophores , pyoverdine is synthesized .
Like most siderophores , pyoverdine is secreted into the environment when the microorganism that produces it detects that intracellular iron concentrations have fallen below a preset threshold .
Like most siderophores , pyoverdine is synthesized and secreted into the environment when the microorganism that produces it detects that intracellular iron concentrations have fallen below a preset threshold .