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Auxin-responsive OsMADS60 negatively mediates rice tillering and grain yield by modulating OsPIN5b expression
Auxin-responsive OsMADS60 negatively mediates rice tillering and grain yield by modulating OsPIN5b expression

Rice tillering determines grain yield, yet the molecular regulatory network is still limited. In this study, we demonstrated that the transcription factor OsMADS60 promotes the expression of the auxin transporter OsPIN5b to affect auxin distribution and inhibit rice tillering and grain yield. Natural variation was observed in the promoter region of OsMADS60, with its expression level negatively correlated with tiller number and inducible by auxin.

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