Evidence that auxin is required for normal seed size and starch synthesis in pea

• DOI: 10.1111/nph.14690
• Publication Date: 2017-07-27T07:52:39Z
• Authors: Erin L. McAdam; Tobias Meitzel; Laura J. Quittenden; Sandra E. Davidson; Marion Dalmais; Abdelhafid I. Ben...; Richard Thompson; Jennifer J. Smith; David S. Nichols; Shelley Urquhart; Ariane Gélinas‐Ma...; Gregoire Aubert; John J. Ross
• Keywords: 0301 basic medicine; Sucrose; Time Factors; Zygote; [SDV]Life Sciences [q-bio]; Germination; Genes, Plant; 630; 03 medical and health sciences; Gene Expression Regulation, Plant; [SDV.BV]Life Sciences [q-bio]/Vegetal Biology; Pisum sativum; mutants; 580; 2. Zero hunger; Indoleacetic Acids; Pisum sativum (pea); starch; Starch; Organ Size; Plants, Genetically Modified; Phenotype; Seedlings; [SDE]Environmental Sciences; Mutation; Seeds; 2,4-Dichlorophenoxyacetic Acid; chlorinated auxin; auxin; seed development

Summary In recent years the biosynthesis of auxin has been clarified with aid mutations in genes. However, we know little about effects these on seed‐filling stage seed development. Here investigate a key mutation garden pea, which results deficiency developing seeds. We exploit large size this model species, facilitates measurement compounds individual The small seeds reduced starch content and wrinkled phenotype at dry stage. phenotypic were fully reversed by introduction wild‐type gene as transgene, partially application. indicate that is required for normal accumulation an important grain legume crop.