Outer apoplastic barriers in roots: prospects for abiotic stress tolerance
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Outer apoplastic barriers in roots: prospects for abiotic stress tolerance. / Peralta Ogorek, Lucas León; Jiménez, Juan De La Cruz; Visser, Eric J. W.; Takahashi, Hirokazu; Nakazono, Mikio; Shabala, Sergey; Pedersen, Ole.
In: Functional Plant Biology, Vol. 51, FP23133, 2023.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Outer apoplastic barriers in roots: prospects for abiotic stress tolerance
AU - Peralta Ogorek, Lucas León
AU - Jiménez, Juan De La Cruz
AU - Visser, Eric J. W.
AU - Takahashi, Hirokazu
AU - Nakazono, Mikio
AU - Shabala, Sergey
AU - Pedersen, Ole
PY - 2023
Y1 - 2023
N2 - Floods and droughts are becoming more frequent as a result of climate change and it is imperative to find ways to enhance the resilience of staple crops to abiotic stresses. This is crucial to sustain food production during unfavourable conditions. Here, we analyse the current knowledge about suberised and lignified outer apoplastic barriers, focusing on the functional roles of the barrier to radial O2 loss formed as a response to soil flooding and we discuss whether this trait also provides resilience to multiple abiotic stresses. The barrier is composed of suberin and lignin depositions in the exodermal and/or sclerenchyma cell walls. In addition to the important role during soil flooding, the barrier can also restrict radial water loss, prevent phytotoxin intrusion, salt intrusion and the main components of the barrier can impede invasion of pathogens in the root. However, more research is needed to fully unravel the induction pathway of the outer apoplastic barriers and to address potential trade-offs such as reduced nutrient or water uptake. Nevertheless, we suggest that the outer apoplastic barriers might act as a jack of all trades providing tolerance to multiple abiotic and/or biotic stressors.
AB - Floods and droughts are becoming more frequent as a result of climate change and it is imperative to find ways to enhance the resilience of staple crops to abiotic stresses. This is crucial to sustain food production during unfavourable conditions. Here, we analyse the current knowledge about suberised and lignified outer apoplastic barriers, focusing on the functional roles of the barrier to radial O2 loss formed as a response to soil flooding and we discuss whether this trait also provides resilience to multiple abiotic stresses. The barrier is composed of suberin and lignin depositions in the exodermal and/or sclerenchyma cell walls. In addition to the important role during soil flooding, the barrier can also restrict radial water loss, prevent phytotoxin intrusion, salt intrusion and the main components of the barrier can impede invasion of pathogens in the root. However, more research is needed to fully unravel the induction pathway of the outer apoplastic barriers and to address potential trade-offs such as reduced nutrient or water uptake. Nevertheless, we suggest that the outer apoplastic barriers might act as a jack of all trades providing tolerance to multiple abiotic and/or biotic stressors.
U2 - 10.1071/FP23133
DO - 10.1071/FP23133
M3 - Journal article
C2 - 37814289
VL - 51
JO - Australian Journal of Plant Physiology
JF - Australian Journal of Plant Physiology
SN - 1445-4408
M1 - FP23133
ER -
ID: 369212736