Fig. 7: Working model of OsSTP28-glucose mediated tillering pathway. | Nature Communications

Fig. 7: Working model of OsSTP28-glucose mediated tillering pathway.

From: Sugar transporter modulates nitrogen-determined tillering and yield formation in rice

Fig. 7

N supply negatively regulates the expression of OsSTP28 to generate glucose accumulation in tiller buds, which in turn silences the expression of a transcriptional factor OSH15 via H3K27me3 modification to active GA2-oxidases catalyzed GA catabolism in shoot base. OsSTP28-OSH15-GA2oxs module reduces the level of bioactive gibberellin in shoot base under increased N supply, and consequently stimulates tillering.

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