• Abstract From mammals to bacteria, the direct recognition and cleavage of viral nucleic acids is a potent defence strategy against viral infection, but it requires mechanisms for
• In 2013, farmers in the highlands of Ethiopia began to notice something unsettling: a familiar variety of wheat was failing in an unfamiliar way. • Stems weakened, plants collaps
• Symbiotic bacteria live inside specialised organs called bacteriomes within insects. • This image shows a cross-section of the planthopperCallodictya krueperi, with fluorescent p