flooding-resilience
Flooding resilience refers to the ability of plants to survive and recover from waterlogged or submerged conditions that deprive roots of oxygen and disrupt normal metabolic processes. Understanding the physiological and genetic mechanisms behind this trait is critical for plant science, as flooding events pose a significant threat to crop productivity and natural ecosystems worldwide. Research in this area aims to identify adaptations such as aerenchyma formation, anaerobic metabolism, and hormonal signaling that enable certain plants to tolerate or escape flooding stress.
open_in_new WikipediaPubMed · 2026-04-11
Dandelions (Taraxacum mongolicum) survive waterlogged soil by ramping up antioxidant defenses and activating specific stress-response genes. This study mapped the genetic and physiological toolkit that makes dandelions surprisingly tough when roots are submerged.
Waterlogging triggered measurable oxidative stress in dandelions, indicated by elevated levels of hydrogen peroxide and other reactive oxygen species
Transcriptomic analysis identified specific gene modules and hub genes responsible for coordinating the plant's antioxidant and stress-tolerance response
Taraxacum mongolicum demonstrated systemic, multi-layered adaptation to waterlogging involving both physiological adjustments and large-scale changes in gene expression
