OsDOF11

| Categories genes  | Tags transcription factor  seedlings  root  root elongation  transporter  sugar  sucrose  As transport  sucrose transporter 
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  • Key message
    • Rice Transcription Factor OsDOF11 Modulates Sugar Transport by Promoting Expression of Sucrose Transporter and SWEET genes.
    • Although sucrose enhanced root elongation in young wild-type (WT) seedlings, this did not occur in osdof11 seedlings due to reduced sucrose uptake
    • Sugar transport rate analyses revealed that less sugar was transported in osdof11 plants than in the WT
    • We also observed that osdof11 mutant plants were less susceptible to infection by Xanthomonas oryzae pathovar oryzae, suggesting that OsDOF11 participates in sugar distribution during pathogenic invasions
    • Collectively, these results suggest that OsDOF11 modulates sugar transport by regulating expression of SUT and SWEET genes in rice
    • Chromatin immunoprecipitation experiments showed that OsDOF11 directly binds to the promoter regions of SUT1, OsSWEET11, and OsSWEET14, indicating that OsDOF11 coordinately controls transporters that are responsible for sucrose transport via apoplastic loading
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