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Seed filling in domesticated maize and rice depends on SWEET-mediated hexose transport

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

Nature genetics, 2015-12, Vol.47 (12), p.1489-1493 [Periódico revisado por pares]

United States: Nature Publishing Group

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Título:
Seed filling in domesticated maize and rice depends on SWEET-mediated hexose transport
Autor: 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
Assuntos: Biological Transport ; Carbohydrate metabolism ; Crops, Agricultural - genetics ; Domestication ; Embryos ; Endosperm - metabolism ; Experiments ; Gene expression ; Gene Expression Regulation, Plant ; Genetic aspects ; Genetic engineering ; Genetic research ; Genomes ; Genotype ; Hexoses - metabolism ; Humans ; Identification and classification ; Laboratories ; Life Sciences ; Metabolism ; Mutation - genetics ; Oryza - genetics ; Oryza - growth & development ; Oryza - metabolism ; Plant Proteins - genetics ; Plant Proteins - metabolism ; Seeds ; Seeds - genetics ; Seeds - growth & development ; Seeds - metabolism ; Sucrose ; Sugar ; Translocation (Genetics) ; Vegetal Biology ; Zea mays ; Zea mays - genetics ; Zea mays - growth & development ; Zea mays - metabolism
É parte de: Nature genetics, 2015-12, Vol.47 (12), p.1489-1493
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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Descrição: 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 of nutrients into the seed, and shows signatures indicative of selection during domestication. Mutants of both maize ZmSWEET4c and its rice ortholog OsSWEET4 are defective in seed filling, indicating that a lack of hexose transport at the BETL impairs further transfer of sugars imported from the maternal phloem. In both maize and rice, SWEET4 was likely recruited during domestication to enhance sugar import into the endosperm.
Editor: United States: Nature Publishing Group
Idioma: Inglês

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Seed filling in domesticated maize and rice depends on SWEET-mediated hexose transport

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

United States: Nature Publishing Group

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