Beans of the cacao plant, Theobroma cacao, are used in chocolates, pharmaceuticals and other products, but they're under threat. Increased drought associated with climate change has already begun to ...

Plants have developed mechanisms to fight pathogenic bacterial infection, but in the beneficial symbiotic association, entry of the nitrogen-fixing bacteria is accepted. The legume-symbiotic rhizobia ...

Fungal endophytes—microscopic fungi that inhabit the internal tissues of grasses—form intimate associations that range from mutualistic to latent pathogenic. In many cool-season grasses, endophytes of ...