May 12, 2010, by
Arbuscular mycorrhizas (AMs) are symbiotic associations established between roots of most land plant and certain soil borne fungi in the phylum Glomeromycota. This AM fungi improves the supply of water and nutrients (specifically phosphates), because of the hyphal network formed that connects the plant to the soil, and explores inaccessible zones to the roots.
Biological studies of AM fungi are difficult because of their obligate biotrophic nature, being unable to complete their life cycle in absence of a host plant. The use of root organ cultures in vitro as a suitable host allows the establishment of the symbiosis and the formation of thousand viable spores and abundant extraradical mycelium, ensuring monospecificity of inoculum and absence of undesirable microorganisms.
Due to great interest in the study of AM association, and our concern to preserve native diversity of AM fungi, we have developed a bank of germplasm in vitro of AM fungi using Ri T-DNA transformed carrot roots as host.
Banco de Glomeromycota In vitro (BGIV) allow us to conserve and document AM fungal strains isolated from diverse natural and agricultural areas from Argentina. We also provide high quality, free of contaminant germplasm for scientific and industrial sectors.