Cited by 579Plant Stress Responses and ToleranceGenetic Mapping and Diversity in Plants and AnimalsGenetics and Plant Breeding

Impacts of salinity stress on crop plants: improving salt tolerance through genetic and molecular dissection

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Atta, Kousik, Mondal, Saptarshi, Gorai, Shouvik, Singh, Aditya Pratap, Kumari, Amrita, Ghosh, Tuhina, Roy, Arkaprava, Hembram, Suryakant +5 more·2023·Frontiers in Plant Science

Abstract

Improper use of water resources in irrigation that contain a significant amount of salts, faulty agronomic practices such as improper fertilization, climate change etc. are gradually increasing soil salinity of arable lands across the globe. It is one of the major abiotic factors that inhibits overall plant growth through ionic imbalance, osmotic stress, oxidative stress, and reduced nutrient uptake. Plants have evolved with several adaptation strategies at morphological and molecular levels to withstand salinity stress. Among various approaches, harnessing the crop genetic variability across different genepools and developing salinity tolerant crop plants offer the most sustainable way of salt stress mitigation. Some important major genetic determinants controlling salinity tolerance have been uncovered using classical genetic approaches. However, its complex inheritance pattern makes breeding for salinity tolerance challenging. Subsequently, advances in sequence based breeding approaches and functional genomics have greatly assisted in underpinning novel genetic variants controlling salinity tolerance in plants at the whole genome level. This current review aims to shed light on physiological, biochemical, and molecular responses under salt stress, defense mechanisms of plants, underlying genetics of salt tolerance through bi-parental QTL mapping and Genome Wide Association Studies, and implication of Genomic Selection to breed salt tolerant lines.

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  1. Abd El-Monem A. A. El-Habbasha S. F. Hozayn M. (2013). Mitigation salinity stress effects on barley (Hordeum vulgare L.) growth, yield and some physiological aspects by hemin. J. Appl. Sci. Res. 9 (3), 2411– 2421.
  2. Neto A. D. A. Pereira P. P. Costa D. P. dos Santos A. C. (2011). Chlorophyll fluorescence as a possible tool for salt-stress tolerance screening in the sunflower. Rev. Ciec. Agronômica. 42 (4), 893.
  3. Squires V. R. Glenn E. P. (2004). “ Salination, desertification, and soil erosion,” in The role of food, agriculture, forestry and fisheries in human nutrition. Ed. Squires V. R. (Oxford, UK: UNESCO, EOLSS Publishers).
  4. Szabolcs I. (1989). Salt-affected soils (Boca Raton, Fla: CRC Press).

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Authors
Atta, K., Mondal, S., Gorai, S., Singh, A. P., Kumari, A., Ghosh, T., Roy, A., Hembram, S., Gaikwad, D. J., Mondal, S., Bhattacharya, S., Jha, U. C., & Jespersen, D.
Affiliations
  • Bidhan Chandra Krishi Viswavidyalaya (IN)
  • Indian Council of Agricultural Research (IN)
  • Government of West Bengal (IN)
  • Centurion University of Technology and Management (IN)
  • Indian Institute of Pulses Research (IN)
  • University of Georgia (US)
Corresponding author
  • Gorai, Shouvik
  • Jespersen, David
Venue
Frontiers in Plant Science
Published
2023-09-15
Volume
14
Pages
1241736-1241736
ISSN
1664-462X (ISSN-L)
OpenAlex
W4386836861
Cited by
523
References
257
Citations by year
2026: 232 · 2025: 212 · 2024: 79
FWCI
12.53
Type
journal article
Language
en
Open access
Locations
  • Frontiers in Plant Science (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Stress Responses and Tolerance
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Mapping and Diversity in Plants and Animals
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Genetics and Plant Breeding
Keywords
salt stress, salt tolerance, cultivated plants, soil salinity, osmotic stress, oxidative stress, ionic imbalance, nutrient uptake, plant adaptation strategies, QTL mapping, genome-wide association study, genomic selection, salt tolerance breeding, functional genomics

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