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MORE FLORET1 controls anther development by negatively regulating key tapetal genes in both diploid and tetraploid rice.

Plant physiology - 28 Jun 2024

Lu Zijun, Zhu Lianjun, Liang Guobin, Li Xiaoxia, Li Qihang, Li Yajing, He Shengbo, Wu Jinwen, Liu Xiangdong, Zhang Jingyi

Abstract excerpt

Polyploid hybrid rice (Oryza sativa) has great potential for increasing yields. However, hybrid rice depends on male fertility and its regulation, which is less well studied in polyploid rice than in diploid rice. We previously identified an MYB transcription factor, MORE FLORET1 (MOF1), whose mutation causes male sterility in neo-tetraploid rice. MOF1 expression in anthers peaks at anther Stage 7 (S7) and...

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PMID: 38507615
DOI: 10.1093/plphys/kiae145

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