title: An update on magnesium homeostasis mechanisms in plants.
abstract: Worldwide, nearly two-thirds of the population do not consume the recommended amount of magnesium (Mg) in their diet. Furthermore, low Mg status (hypomagnesaemia) is known to contribute to a number of human chronic disease conditions. Because the principal dietary Mg source is of plant origin, agronomic and genetic biofortification strategies are aimed at improving nutritional Mg content in food crops to overcome this mineral deficiency in humans. This update incorporates the contributions of annotated permeases involved in Mg uptake, storage and recycling with a schematic model of Mg movement at the organ and cellular levels in the model species Arabidopsis thaliana. Furthermore, approaches using mutagenesis or natural ionomic variation to identify loci involved in Mg homeostasis in roots, leaves and seeds will be summarised. A brief overview will be presented on how Arabidopsis research can help to develop strategies for biofortification of crops.
authors: Laboratory of Plant Physiology and Molecular Genetics, Université Libre de Bruxelles, Campus Plaine CP 242, Bd du Triomphe, 1050 Brussels, Belgium. chermans@ulb.ac.be
authors: Christian
authors: C
authors: Hermans
authors: Simon J
authors: SJ
authors: Conn
authors: Jiugeng
authors: J
authors: Chen
authors: Qiying
authors: Q
authors: Xiao
authors: Nathalie
authors: N
authors: Verbruggen
mesh_terms: D017360:Arabidopsis / Q000235:genetics / Q000378:metabolism; D006706:Homeostasis / Q000235:genetics / Q000502:physiology*; D006801:Humans; D008274:Magnesium / Q000378:metabolism*; D026901:Membrane Transport Proteins / Q000235:genetics / Q000378:metabolism; D016296:Mutagenesis; D018515:Plant Leaves / Q000235:genetics / Q000378:metabolism; D018517:Plant Roots / Q000235:genetics / Q000378:metabolism*; D010945:Plants, Edible / Q000235:genetics / Q000378:metabolism*; D012639:Seeds / Q000235:genetics / Q000378:metabolism
chemical_list: D026901:Membrane Transport Proteins; D008274:Magnesium