Publications by authors named "Juan P Majada"
Hormonal profiling: Development of a simple method to extract and quantify phytohormones in complex matrices by UHPLC-MS/MS.
J Chromatogr B Analyt Technol Biomed Life Sci
January 2017
Article Synopsis
- Plant growth regulators (PGRs) are crucial chemical compounds that influence plant development and physiological processes through mechanisms like cross-talk.
- Researchers are focused on analyzing a wide range of PGRs to gain accurate insights into plant conditions but face challenges due to existing methods that often overlook certain chemical families.
- A new, efficient method using UHPLC-MS/MS has been developed to extract and quantify 20 different PGRs from complex matrices, addressing previous limitations in the literature.
Article Synopsis
- Plants activate various responses to drought stress to enhance survival, focusing on morphological, physiological, and proteomic changes.
- Two Eucalyptus globulus types were studied, revealing that drought-tolerant plants had smaller seeds, a more robust root system, and higher levels of stress-related proteins and abscisic acid (ABA) compared to less tolerant varieties.
- The research highlights that E. globulus uses multiple strategies at different levels to adapt to drought, including structural changes, hormone regulation, and protein accumulation.
The responses of juvenile plants of forest crops to drought stress are a key stage in the survival of forest populations. In this work, a suitable experimental system to study the early drought resistance mechanisms and signaling in a drought-tolerant clone (C14) of Eucalyptus globulus Labill is proposed. This system, using hydroponic culture and an osmotic agent, polyethylene glycol 8000, was demonstrated to induce severe stress in the root area, affecting the responses of the plantlets at the aerial level.
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