Delftia, where does it come from, and why is it named Delftia? Delftia is a gram-negative bacterium that originated in Delft, Netherlands. That’s where the name of the bacteria comes from, but it’s also important to appreciate the work done in Delft, since it’s prominent in bacteriology. What does Delftia look like? It’s known for different shapes, really rod, straight, and curvy cell shapes. Now that we know where Delftia originated, and good thing to know is what’s the function of Delftia. Well, in this book, we will find out that Delftia can precipitate (liquid) gold; it can also purify other heavy materials. Throughout these chapters, you’ll see knowledge questions that test how much you retain about Delftia.