| Categories genes  | Tags endosperm  grain  seed development  transporter  grain filling  seed 
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  • Key message
    • Cellular location in young caryopses through RNA in situ hybridization showed that OsMST4 mRNA mainly accumulates in the vascular parenchyma of the chalazal vein, cross-cells, nucellar tissue and endosperm
    • These data indicate that OsMST4 is actively involved in monosaccharides supply for seed development during the course of grain filling
    • ) seed development, cDNA of a new putative monosaccharide transporter gene OsMST4 was isolated
    • The deduced OsMST4 protein shows typical features of monosaccharide transporters, and shares high homology with other plant homologues
    • Heterologous expression in yeast (Saccharomyces cerevisiae) showed that OsMST4 is a functional monosaccharide transporter capable of transporting glucose, fructose, mannose and galactose
    • Molecular cloning and expression analysis of a monosaccharide transporter gene OsMST4 from rice (Oryza sativa L.)
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