High versus low fidelity in symbiotic relationships: Some bacteria have it both ways

If your favourite pub moves – would you move too or look for another pub? For bacteria living in symbiosis with marine worms it all depends on whether they sit outside or inside the pub. Scientifically speaking: bacteria living on the body surface of their hosts are loyal to those, while bacteria living inside their hosts prefer to stay local, as scientists from Bremen now reveal. (Mehr in: Pressemitteilungen – idw – Informationsdienst Wissenschaft)