Arbuscular mycorrhiza 6 Fungi 6 Gigaspora rosea 6 Glomales 6 Glomerales 6 Glomus mosseae 6 Symbiosis 6 Arbuscular 4 Bacteria (microorganisms) 4 Flavonoid 4 Gigaspora margarita 4 Glomus intraradices 4 Regulation 4 Signal molecule 4 Trifolium repens 4 Arbuscular mycorrhizae 2 Arbuscular mycorrhizal (AM) 2 Aromatic compounds 2 Clover root 2 Flavonoids 2 Gigaspora 2 Glomus 2 Lycopersicon esculentum 2 Margarites 2 Oxygen 2 Root colonization 2 Roots 2 Signal molecules 2 Tomato roots 2 Tomatoes 2