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In flowering plants, male reproduction occurs within the male organ anther with a series of complex biological events including de novo specification of germinal cells and somatic cells, male meiosis, and pollen development and maturation. Particularly, unlike other tissue, anther lacks a meristem, therefore, both germinal and somatic cell types are derived from floral stem cells within anther lobes. Here, we review the molecular mechanism specifying the identity of somatic cells and reproductive microsporocytes by redox homoeostasis during rice anther development. Factors such as glutaredoxins (GRXs), TGA transcription factors, receptor-like protein kinase signaling pathway, and glutamyl-tRNA synthetase maintaining the redox status are discussed. We also conceive the conserved and divergent aspect of cell identity specification of anther cells in plants via changing redox status.

Molecular Control of Redox Homoeostasis in Specifying the Cell Identity of Tapetal and Microsporocyte Cells in Rice