Deep in coastal mangroves and even inside our own mouths, biologists are finding that DNA does not always sit in a simple loop at the cell’s center. A giant microbe called Thiovulum imperiosus has now ...

PHILADELPHIA — Deep in the mangrove swamps of the Caribbean lives a giant bacterium with a surprise trick for organizing its DNA. Thiovulum imperiosus wraps its genetic material in membranous fingers, ...

Microorganisms are everywhere in our world, and they come in all kinds of shapes and sizes. But it's been generally thought that bacterial cells are too small to see. In recent years, however, ...