Joint Genome Institute and Berkeley Lab researchers are part of a team that described a giant bacterium composed of a single cell discovered in the mangroves of Guadeloupe. Using microscopy techniques, they observed novel, membrane-bound compartments that contain DNA clusters dubbed “pepins.” https://newscenter.lbl.gov/2022/06/23/giant-bacteria-found-in-guadeloupe-mangroves-challenge-traditional-concepts/