The Venus Fly Trap is not the only carnivorous plant with a snap-trap. Aldrovanda vesiculosa, the waterwheel plant, has one too but it’s not always been clear how it works.
It’s known that microbes in the soil can help plants fight pests. Now research published in New Phytologist shows that plants can be used to create anti-pest microbiomes.
Ramoneda et al. propose specific experimental approaches to utilize the wild ancestors of crops to determine whether crop domestication compromised the benefits derived from root microbial symbioses or not.