HDA6-mediated histone deacetylation restricts premature tapetal PCD to maintain male fertility during early flowering in Arabidopsis
Histone deacetylation regulates plant development, yet its role in male gametophyte development and fertility remains unclear. Here, we show that histone deacetylase 6 (HDA6), an RPD3-like histone deacetylase, epigenetically regulates timely tapetal programmed cell death (PCD) and male fertility, predominantly during early flowering in Arabidopsis. Loss of HDA6 in axe1-4 causes early-stage male…
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