Molecular and Physiological Basis of Abiotic Stress Tolerance II

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Response to Abiotic Stress and Climate Change".

Deadline for manuscript submissions: closed (28 February 2023) | Viewed by 2759

Special Issue Editor


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Guest Editor
College of Science and Engineering, Flinders University, Adelaide, Australia
Interests: Ion channels (e.g. ALMT, Aquaporins); transporters (e.g. Zn, K+, NH4+); γ aminobutyric acid (GABA) signalling; abiotic stress tolerance
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Special Issue Information

Dear Colleagues,

During the last six decades, research has shown that abiotic stresses can negatively impact plant growth and development and reduce crop production by up to 70%. Global climate changes have compounded the effect of these stresses on crop productivity. Some plants are more tolerant to ‘stress’ while others are susceptible. Understanding the complexity of both molecular and physiological factors that contribute to stress tolerance in crops is essential for maintaining productivity for food, fibre, and fuel. The Special Issue, “Molecular and Physiological Basis of Abiotic Stress Tolerance,” will focus on the recent advancements in the role of ion channels, transporters, and signaling molecules and their contribution to tolerance to stresses such as salinity, drought, extreme heat and acid soils. We invite research articles and communications providing insights into different abiotic stresses.

Dr. Sunita A. Ramesh
Guest Editor

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Keywords

  • abiotic stress
  • ion channels
  • transporters
  • tissue tolerance

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Published Papers (1 paper)

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Review

25 pages, 1072 KiB  
Review
QTLs and Genes for Salt Stress Tolerance: A Journey from Seed to Seed Continued
by Keshav Tiwari, Sushma Tiwari, Nivesh Kumar, Shikha Sinha, Saraswathipura L. Krishnamurthy, Renu Singh, Sanjay Kalia, Nagendra Kumar Singh and Vandna Rai
Plants 2024, 13(8), 1099; https://doi.org/10.3390/plants13081099 - 14 Apr 2024
Cited by 3 | Viewed by 2442
Abstract
Rice (Oryza sativa L.) is a crucial crop contributing to global food security; however, its production is susceptible to salinity, a significant abiotic stressor that negatively impacts plant germination, vigour, and yield, degrading crop production. Due to the presence of exchangeable sodium [...] Read more.
Rice (Oryza sativa L.) is a crucial crop contributing to global food security; however, its production is susceptible to salinity, a significant abiotic stressor that negatively impacts plant germination, vigour, and yield, degrading crop production. Due to the presence of exchangeable sodium ions (Na+), the affected plants sustain two-way damage resulting in initial osmotic stress and subsequent ion toxicity in the plants, which alters the cell’s ionic homeostasis and physiological status. To adapt to salt stress, plants sense and transfer osmotic and ionic signals into their respective cells, which results in alterations of their cellular properties. No specific Na+ sensor or receptor has been identified in plants for salt stress other than the SOS pathway. Increasing productivity under salt-affected soils necessitates conventional breeding supplemented with biotechnological interventions. However, knowledge of the genetic basis of salinity stress tolerance in the breeding pool is somewhat limited because of the complicated architecture of salinity stress tolerance, which needs to be expanded to create salt-tolerant variants with better adaptability. A comprehensive study that emphasizes the QTLs, genes and governing mechanisms for salt stress tolerance is discussed in the present study for future research in crop improvement. Full article
(This article belongs to the Special Issue Molecular and Physiological Basis of Abiotic Stress Tolerance II)
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