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The development of viable pollen determines male fertility, and is crucial for reproduction in flowering plants. Phytochrome interacting factor 3 (PIF3) acts as a central regulator of plant growth and development, but its relationship with pollen development has not been determined.
Through genetic, histological and transcriptomic analyses, we identified an essential role for SlPIF3 in regulating...
Mitogen‐activated protein kinases (MAPKs) regulate diverse aspects of plant growth. However, their potential role in reproductive development remains elusive.
Here, we discovered an unique role of SlMPK20, a plant‐specific group D MAPK, in pollen development in tomato. RNAi‐mediated suppression of SlMPK20 or its knockout using CRISPR/Cas9 significantly reduced or completely abolished pollen viability,...
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