Chapter

Salt Stress in Plants

pp 63-78

Date:

Genetic Approaches to Improve Salinity Tolerance in Plants

  • Ashwani KumarAffiliated withClaude Leon Postdoctoral Fellow, Department of Biochemistry, Microbiology and Biotechnology, Rhodes University Email author 
  • , Aditi GuptaAffiliated withCentre for Rural Development and Technology, Indian Institute of Technology
  • , M. M AzoozAffiliated withDepartment of Botany, Faculty of science, South Valley UniversityDepartment of Biological Sciences, Faculty of Science, King Faisal University
  • , Satyawati SharmaAffiliated withCentre for Rural Development and Technology, Indian Institute of Technology
  • , Parvaiz AhmadAffiliated withDepartment of Botany, A.S. College, University of Kashmir
  • , Joanna DamesAffiliated withDepartment of Biochemistry, Microbiology and Biotechnology, Rhodes University

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Abstract

Abiotic stress tolerance in plants is gaining importance day by day. Different techniques are being employed to develop salt tolerant plants that directly or indirectly combat global food problems. Advanced comprehension of stress signal perception and transduction of associated molecular networks is now possible with the development in functional genomics and high throughput sequencing. In plant stress tolerance various genes, proteins, transcription factors, DNA histone-modifying enzymes, and several metabolites are playing very important role in stress tolerance. Determination of genomes of Arabidopsis, Oryza sativa spp. japonica cv. Nipponbare and integration of omics approach has augmented our knowledge pertaining to salt tolerance mechanisms of plants in natural environments. Application of transcriptomics, metabolomics, bioinformatics, and high-through-put DNA sequencing has enabled active analyses of regulatory networks that control abiotic stress responses. To unravel and exploit the function of genes is a major challenge of the post genomic era. This chapter therefore reviews the effect of salt stress on plants and the mechanism of salinity tolerance along with contributory roles of QTL, microRNA, microarray and proteomics.

Keywords

Salt stress Microarray MicroRNA Proteomics Genomics