Localization of beta(1-3) glucan in walls of the endomycorrhizal fungi Glomus mosseae (Nicol. and Gerd.) Gerd. and Trappe and Acaulospora laevis Gerd. and Trappe during colonization of host roots

acaulospora beta-glucan cell structure cell walls estructura celular glomus glomus mosseae glucane glucanos glucans grain legumes guisante immunocytochemistry immunologie immunology leguminosas de grano micorrizas arbusculares vesiculares mycorrhizae nicotiana pared celular paroi cellulaire peas pisum sativum plantas estimulantes plante stimulante pois polyholoside polysaccharides racine roots stimulant crops structure cellulaire tabac tabaco tobacco vesicular arbuscular mycorrhizae