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

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 overa...

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Vydáno v:	Frontiers in plant science Ročník 14; s. 1241736
Hlavní autoři:	Atta, Kousik, Mondal, Saptarshi, Gorai, Shouvik, Singh, Aditya Pratap, Kumari, Amrita, Ghosh, Tuhina, Roy, Arkaprava, Hembram, Suryakant, Gaikwad, Dinkar Jagannath, Mondal, Subhasis, Bhattacharya, Sudip, Jha, Uday Chand, Jespersen, David
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	Lausanne Frontiers Media SA 15.09.2023 Frontiers Media S.A
Témata:	Abiotic factors Abiotic stress Agricultural land Agricultural practices Agricultural production Agriculture antioxidants Arable land Breeding Climate change Crops Fertilization Gene mapping Genetic diversity Genetic variability Genetic variance Genetics Genome-wide association studies Genomics Groundwater discharge GWAS Homeostasis Irrigation Irrigation water Land area Nutrient uptake Osmotic stress Oxidative stress phenomics Physiology Plant growth Plant Science Plant tolerance Potassium QTL mapping Quantitative trait loci Salinity Salinity effects salinity stress Salinity tolerance Salt Salt tolerance Seeds Sodium Soil salinity Water resources
ISSN:	1664-462X, 1664-462X
On-line přístup:	Získat plný text
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Shrnutí:	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.
Bibliografie:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 14 ObjectType-Review-3 content type line 23 Reviewed by: Muhammad Ishaq Asif Rehmani, Ghazi University, Pakistan; Pooja Choudhary, Jaypee Institute of Information Technology, India Edited by: Lorenzo Barbanti, University of Bologna, Italy These authors have contributed equally to this work and share first authorship
ISSN:	1664-462X 1664-462X
DOI:	10.3389/fpls.2023.1241736