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Shoot apical meristem is the region in the growing shoot containing meristematic cells. The shoot apical meristem contains multipotent stem cells and produces primordia that develop into all the above ground organs of a plant.
Tree buds integrate cold and warm cues to control dormancy release. Extended warm periods block plasmodesmata opening by repressing Flowering Locus T and GA pathways in buds. This mechanism ensures robust temporal regulation of dormancy release.
This work identifies ERECTA–EPFL genes as major regulators of maize meristem activity and the development of maize shoots and ears. The findings highlight genetic targets that influence kernel row number and plant architecture to increase maize yield.
Spatially resolved gene expression during barley development was done by integrating an scRNA-seq dataset from cells with unknown position with spatial transcriptomics. This dataset is publicly available through the online web-based BARVISTA application.
In flowering plants, DNA–FD–14-3-3 recruits FT to the florigen activation complex both through DNA–FT interactions and by reducing liquid phase condensation of FD protein, which promotes dimerization, leading to FT recruitment.
The study reveals that CSLD5-mediated cell wall synthesis in plant meristems regulates tissue mechanics, influencing growth and gene expression. Targeting CSLD5 expression in specific cell layers can restore growth defects and enhance crop yield, offering a strategy for breeding high-yield plants.
Single-cell RNA sequencing (scRNA-seq) analyses map transcriptional networks during plant development, but rare cell populations or expression values for several genes are often missing. As the origin or position of cells correlates with specific gene expression markers, we spatially resolved gene expression during barley meristem development by integrating a scRNA-seq dataset from cells with unknown position with spatial transcriptomics. This dataset is publicly available through the online web-based BARVISTA application.
A new study reveals that epigenetic mechanism mediates temperature control of callose synthase expression to regulate opening of plasmodesmata and facilitate bud sprouting in lilies.
Maximization of reproductive success is critical for plant fitness. To this end, the flowering process must be finely tuned. We show that the rice florigen-like protein FT-L1 contributes to plant entrance into the reproductive phase and enables a balanced progression of inflorescence development.
Grain yield in bread wheat (Triticum aestivum L.) is largely determined by spike architecture. Mutations in DUO-B1, encoding an AP2/ERF protein, result in a spike architecture with extra spikelets that increases both grain number per spike and yield under field conditions. Genetically modifying DUO-B1 has the potential to increase cereal production.
