TL;DR
PbrFEN-1 maintains tip-localized ROS homeostasis to promote pear pollen tube growth, while its repression by self-S-RNase reveals a novel link between DNA metabolism and pear self-incompatibility.
Self-incompatibility (SI) severely restricts breeding efficiency and genetic improvement in cultivated pineapple (Ananas comosus (L.) Merr.), yet its molecular basis remains poorly understood. Here, we investigated the molecular processes associated with gametophytic SI (GSI) and compatible pollination using pineapple...
It is indicated that FER and ANJ are not required in the stigma for Arabidopsis SI pollen rejection, further providing evidence for a divergence in the SI downstream signaling pathway in Arabidopsis.
PavSDJ is a pollen-expressed type III J-protein that binds S-RNase and promotes recruitment of SLFL6 to an S-RNase-associated complex in Prunus, and may function as a general modifier involved in the GSI system of Prunus.
It is suggested that RAD23b and RAD4 may regulate DT re-establishment of germinated seeds through balancing genome integrity and radicle development, with implications for DT study broadly.
Artificial microRNA-based gene silencing approach in PM-susceptible Vitis vinifera cv to stably silence the 'Chardonnay' ortholog of AtPMR6, VvPLL3 improves foliar resistance against the PM fungus.
The discovered functional SNP of NMS1 provides a novel theoretical foundation and a valuable sterile genetic resource for hybrid rice breeding and demonstrates that NMS1 plays a crucial role in coordinating tapetal degradation and microspore development in rice.
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