The abstract is read at the publisher; the summary is JClub's.
Single-nucleus RNA-seq of early soybean anthers reconstructs microsporocyte differentiation, showing MMCs use oscillatory cell-cycle regulator activation distinct from a smooth mitotic cascade in dividing cells.
- Why it matters: Fertility and seed yield depend on anther morphogenesis and MMC specification, yet the developmental programs and regulators in Glycine max are poorly defined.
- What they did: Cytology staged early anthers and generated a high-resolution single-nucleus RNA-seq atlas, identifying 11 cell types via marker genes and RNA in situ hybridization, then used pseudotime and regulatory-network comparisons of DCs versus meiotic MMCs.
- The result: A regulatory network comparison highlighted C2H2 zinc finger factors GmKNUa/b as a key switch for MMC differentiation; CRISPR-Cas9 Gmknua/b double mutants lack meiocytes, implying control of the mitosis-to-meiosis transition.
The findingWhy it mattersWhat they didThe result
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