The Core ABA Signaling
A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Cell Biology".
Deadline for manuscript submissions: closed (30 June 2021) | Viewed by 8008
Special Issue Editor
Interests: plant plasticity; stress signaling; hormonal integration
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Plants are sessile organisms with a fascinating capacity to adapt to adverse environmental conditions, including different ABA-related abiotic stresses such as drought, high salt content in the soil, and extreme temperatures, which pose serious limitations to plant growth, reducing crop productivity between 50% and 80%. This is aggravated by the necessity to increase global crop yields by 70% to meet the demands of a constantly growing world population (9 billion people in 2050). In this regard, the development of plant varieties with improved abiotic stress tolerance could significantly increase agricultural production.
The ABA signaling pathway is essential for the regulation of plant growth and its adaptation to environmental stresses, so this process is a major target for the improvement of abiotic stress resistance in crops. In 2009, a breakthrough in ABA signaling was achieved with the discovery of ABA receptors as well as the close connection among core components of ABA signaling: the PYR/PYL/RCAR ABA receptors, the type 2C phosphatases (PP2Cs) ABA co-receptors, and the subgroup III Snf1-related protein kinases 2 (SnRK2s). However, despite our increasing knowledge on ABA signaling, new regulatory mechanisms of the pathway are emerging. Furthermore, although some of these core elements were also identified in other plant species such as rice and maize, extensive research on the characterization of the ABA core components in these and additional crop plants is strongly demanding. This Special Issue on “The Core ABA Signaling” welcomes original research papers about molecular insights regarding the ABA receptors, PP2Cs and the SnRK2s, including their description in other plant species. The Special Issue also welcomes revision works concerning the ABA core components encouraging those of high importance to improve agricultural production.
Dr. Borja Belda-Palazón
Guest Editor
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