Article
Seed filling in domesticated maize and rice depends on SWEET-mediated hexose transport.
Nature genetics - 1 Dec 2015
Sosso Davide, Luo Dangping, Li Qin-Bao, Sasse Joelle, Yang Jinliang, Gendrot Ghislaine, Suzuki Masaharu, Koch Karen E, McCarty Donald R, Chourey Prem S, Rogowsky Peter M, Ross-Ibarra Jeffrey, Yang Bing, Frommer Wolf B
Abstract excerpt
Carbohydrate import into seeds directly determines seed size and must have been increased through domestication. However, evidence of the domestication of sugar translocation and the identities of seed-filling transporters have been elusive. Maize ZmSWEET4c, as opposed to its sucrose-transporting homologs, mediates transepithelial hexose transport across the basal endosperm transfer layer (BETL), the entry point...
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