Seaports found to be hotspots of contagious cancer in mussels
MtBTN2 cells under microscope (× 100 magnification). They are characterized by their large size, prominent nucleus, and scarce cytoplasm. In contrast, a healthy cell—a haemocyte of smaller size with more abundant cytoplasm—is visible on the bottom right. Credit: Maurine Hammel Seaports act as hubs for the global spread of MtrBTN2, a rare contagious cancer affecting