Article
Biochemistry & Molecular Biology
Qixin Duan, Zhihui Zhu, Baoshan Wang, Min Chen
Summary: Salinized soil is a major environmental stress that hampers plant growth and development. Halophytes, such as the woody halophyte Tamarisk, have evolved salt tolerance mechanisms that allow them to thrive on saline-alkali soil. Understanding the mechanisms of salt tolerance in Tamarisk and identifying key genes involved are crucial for improving saline land and increasing crop salt tolerance.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2022)
Article
Plant Sciences
Dan Wang, Nan Yang, Chaoyue Zhang, Weihong He, Guiping Ye, Jianjun Chen, Xiangying Wei
Summary: Soil salinity is an important environmental problem that affects plant growth and crop productivity. By studying the halophytic plant Sesuvium portulacastrum, it was found that this plant possesses specific gene expressions, physiological mechanisms, and metabolic pathways that enable it to convert saline soils into arable land under high concentrations of salt. These findings are significant for addressing issues related to saline soils.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Plant Sciences
Tabassum Hussain, Hina Asrar, Wensheng Zhang, Bilquees Gul, Xiaojing Liu
Summary: An integrated transcriptome and proteome analysis approach was used to identify the salt tolerance mechanisms of Panicum antidotale. Under low salinity levels, upregulated genes and proteins were involved in salt resistance strategies, while downregulated genes and proteins were related to energy generation. High salinity levels led to inhibiting biomass accumulation by altering expression of genes involved in various metabolic pathways.
FRONTIERS IN PLANT SCIENCE
(2021)
Article
Multidisciplinary Sciences
Lirong Wang, Meng Du, Bo Wang, Huirong Duan, Benyin Zhang, Dong Wang, Yi Li, Jiuli Wang
Summary: Nitraria tangutorum exhibits excellent salt tolerance through complex regulatory mechanisms modulated by multiple genes, including catabolism of organic compounds, antioxidant defense, signaling pathways regulation, ion homeostasis maintenance, and cell expansion.
SCIENTIFIC REPORTS
(2022)
Article
Environmental Sciences
Yin Wang, Chengxiao Hu, Xu Wang, Guangyu Shi, Zheng Lei, Yanni Tang, Huan Zhang, Hada Wuriyanghan, Xiaohu Zhao
Summary: Soil salinization negatively affects soybean production, but rhizosphere microorganisms can improve plant salt tolerance. Selenium is known to optimize the rhizosphere microbial community, and this study investigated whether selenium-induced rhizosphere microorganisms can enhance plant salt tolerance. Pot experiments were conducted using salt-tolerant and salt-sensitive soybean varieties, and the results showed that selenium application improved soybean salt tolerance by optimizing the structure of the rhizosphere microbial community. Furthermore, the application of four salt-tolerant bacteria isolated from selenium-fertilized soil led to significant increases in plant growth and reductions in stress-related compounds in salt-sensitive soybean.
ENVIRONMENTAL RESEARCH
(2023)
Article
Environmental Sciences
Naila Asghar, Mansoor Hameed, Muhammad Sajid Aqeel Ahmad, Farooq Ahmad
Summary: Suaeda vera, a succulent halophyte, shows high variability in salt tolerance. This study collected 21 ecotypes from different habitats to explore the alterations in root morphology, anatomy, and physiology associated with salinity tolerance. The results showed that increased salinity led to longer roots, larger biomass, and specific anatomical modifications in the stelar region. The species' salt tolerance relied on structural modifications and extensive sclerification in the roots.
WATER AIR AND SOIL POLLUTION
(2023)
Article
Nutrition & Dietetics
Sukirtha Srivarathan, Anh Dao Thi Phan, Hung Trieu Hong, Elvis T. Chua, Olivia Wright, Yasmina Sultanbawa, Michael E. Netzel
Summary: This study found that Australian grown samphire may have the potential to be utilized as a functional food ingredient, as it is rich in essential minerals and trace elements, and has antioxidant properties.
FRONTIERS IN NUTRITION
(2021)
Article
Biochemistry & Molecular Biology
David M. Goad, Ivan Baxter, Elizabeth A. Kellogg, Kenneth M. Olsen
Summary: The different ecotypes of seashore paspalum have varying adaptive strategies, likely influenced by clonal propagation, ploidy variation, and interspecific hybridization. The coarse-textured ecotype appears to be a hybrid of fine-textured seashore paspalum and another Paspalum species, while triploid genotypes show variation in subgenome composition that may be associated with local ocean salinity levels and play a role in local adaptation.
Article
Engineering, Environmental
Massimiliano Schiavo, Nicolo Colombani, Micol Mastrocicco
Summary: This paper proposes a robust geostatistical methodology for assessing the salinity distribution in alluvial coastal areas. The study reveals that high salinity found inland may be attributed to trapped paleo-seawater rather than actual seawater intrusion. This methodology can be applied to similar coastal areas to understand the spatial patterns of salinization and delineate unsuitable zones for irrigation purposes.
Review
Environmental Sciences
Christian Narvaez-Montoya, Jurgen Mahlknecht, Juan Antonio Torres-Martinez, Abrahan Mora, Guillaume Bertrand
Summary: Seawater intrusion is a major cause of groundwater contamination, affecting water access, food production, and ecosystems. This study conducts a systematic review and bibliometric analysis of 102 coastal hydrogeological studies to explore the techniques used for identifying seawater intrusion. Methods such as principal components analysis (PCA), hierarchical clustering analysis, K-means clustering, and self-organizing maps are explained and applied to a case study. Recommendations are made for data preprocessing, research opportunities, and publishing information to replicate and validate the studies.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Genetics & Heredity
David M. Goad, Elizabeth A. Kellogg, Ivan Baxter, Kenneth M. Olsen
Summary: Most plant species, including crops, struggle in salt-affected soils due to high sodium levels disrupting water and nutrient uptake. Halophytes have evolved adaptations to overcome these challenges, offering insights into salt tolerance mechanisms and genes transferable to crops. Differences in ion accumulation between populations of halophytic species may reflect locally adapted responses to salt stress.
G3-GENES GENOMES GENETICS
(2021)
Article
Environmental Sciences
Abongile Xaza, Harold Wilson Tumwitike Mapoma, Tamiru A. Abiye, Sumaya Clarke, Thokozani Kanyerere
Summary: The research focuses on the application of saltwater fraction/quantification and hydrogeochemistry methods to evaluate saline intrusion in coastal aquifers. It utilized the Heuningnes Catchment in South Africa as a case study and found that examining major ions, stable isotopes of water, bromide, and using geochemical modeling can determine the presence of seawater incursion. The study also analyzed the origins of salinity and the mixing of water masses using stable isotopes, major ions chemistry, seawater composition, and geochemical modeling. The results showed that seawater intrusion affected the coastal fresh groundwater, with seawater contributions varying from 0.01 to 43%.
Article
Agronomy
Yin Wang, Chao Xu, Hada Wuriyanghan, Zheng Lei, Yanni Tang, Huan Zhang, Xiaohu Zhao
Summary: This study investigated the effects of selenium on soybean varieties under salt stress through pot experiments and high-throughput sequencing. The results showed that selenium supplementation improved salt tolerance in soybeans by reducing the negative effects of salt stress and optimizing the structure and function of the rhizosphere microbial community.
Article
Plant Sciences
Gazala M. Alhdad, Timothy J. Flowers
Summary: Suaeda maritima is an annual species that can tolerate flooding and high salinity environments, but flooding inhibits its growth and affects the accumulation of Na+ in different culture solutions. The study found that although plants produce adventitious roots under flooded conditions, they are not important for the species' tolerance to submergence.
JOURNAL OF SOIL SCIENCE AND PLANT NUTRITION
(2021)
Article
Plant Sciences
Akhtar Ali, Natalia Raddatz, Jose M. Pardo, Dae-Jin Yun
Summary: Plants cope with high salinity by limiting Na+ influx, compartmentalizing ions into vacuoles, exporting excess Na+ from cells, and distributing ions between aerial and root organs. Research on the salt overly sensitive (SOS) pathway and HKT1-type transporters in different species indicates that they use similar approaches to deal with salinity stress.
PHYSIOLOGIA PLANTARUM
(2021)