Both paleobiological and molecular evidence indicate that AM is an ancient symbiosis that originated at least 460 … See more

The development of the AM fungi prior to root colonization, known as presymbiosis, consists of three stages: spore germination, hyphal growth, host recognition and appressorium formation.
Spores of t… See more

Recent research has shown that AM fungi release an diffusional factor, known as the myc factor, which activates the nodulation factor's inducible gene MtEnod11. This is the same gene involved in establishing symbiosis … See more

Arbuscular mycorrhizal fungi are most frequent in plants growing on mineral soils, and are of extreme importance for plants growing in nutrient-deficient substrates such as in volcanic soil and sand dune environments. … See more