Tag: ABA

Yoshida et al. investigate how the phytohormone ABA balances normal growth and metabolism. https://doi.org/10.1105/tpc.18.00766. By Takuya Yoshida and Alisdair R. Fernie, Max-Planck-Institut für Molekulare Pflanzenphysiologie.   Background: Abscisic acid (ABA) is a plant hormone that…

Ni et al. reveal a pathway for ABA-activated OsDMI3 in rice. Plant Cell https://doi.org/10.1105/tpc.18.00506  By Lan Ni and Mingyi Jiang Background: Abscisic acid (ABA) is a phytohormone that plays important roles both in plant growth and development and in plant responses to environmental stresses.…

Plant stomatal aperture regulation via guard cells is an example of how plants dynamically process environmental signals to induce a physiological response. The drought stress hormone abscisic acid (ABA) is a well-characterized signal that induces stomatal closure, preventing water loss. ABA acts via…

The phytohormone abscisic acid (ABA) regulates a variety of processes in plants including seed dormancy, seedling growth, and response to environmental stresses. A fascinating study by Ni et al. (2018) shows that ABA responses in rice are regulated by an interaction between the DMI3 kinase, which activates…

Roots navigate through the soil, foraging for water and nutrients. Orman-Ligeza et al. observed that lateral root development is repressed when the roots are growing through the soil air spaces. Exposure to water deficit induced transcriptome reprogramming in barley roots of genes involved in many hormone…

In the face of increasing incidence of drought events, developing drought-tolerant plants becomes urgent matter. However, the increase in drought tolerance often coincides with the significant reduction of plant size, as in the case of overexpressing DEHYDRATION-RESPONSIVE ELEMENT-BINDING PROTEIN 1A…