Genetics of Salinity Responses and Plant Breeding

Gorham, J.; Jones, Gareth Wyn

doi:10.1007/0-306-48155-3_20

Cited by 5 publications

(2 citation statements)

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“…The over-expression of bacterial genes for trehalose synthesis in rice (Garg et al, 2002), or bacterial gene mt1D for mannitol synthesis in wheat (Abebe et al, 2003) induced tolerance to salinity. Other reports showed positive results for salt tolerance when plants are transformed with genes for osmoprotectants or protective proteins (Nuccio et al, 1999;Chen and Murata, 2002;Gorham and Wyn Jones, 2002;Rhodes et al, 2002;Flowers, 2004). However, transgenic manipulations do not always lead to osmotically significant over-accumulation of metabolites, as was the case for glycine betaine (Chen and Murata, 2002).…”

Section: Cellular Adaptations To Salinitymentioning

confidence: 99%

Plant Aquaporins: New Perspectives on Water and Nutrient Uptake in Saline Environment

et al. 2006

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The mechanisms of salt stress and tolerance have been targets for genetic engineering, focusing on ion transport and compartmentation, synthesis of compatible solutes (osmolytes and osmoprotectants) and oxidative protection. In this review, we consider the integrated response to salinity with respect to water uptake, involving aquaporin functionality. Therefore, we have concentrated on how salinity can be alleviated, in part, if a perfect knowledge of water uptake and transport for each particular crop and set of conditions is available.

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Section: Cellular Adaptations To Salinitymentioning

confidence: 99%

Plant Aquaporins: New Perspectives on Water and Nutrient Uptake in Saline Environment

et al. 2006

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“…(1998); Nuccio et al . (1999); Chen & Murata (2002); Gorham & Wyn Jones (2002); Rhodes et al . (2002); Flowers (2004).…”

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confidence: 99%

Genes and salt tolerance: bringing them together

2005

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Contents Summary 1 Introduction 1 Physiological mechanisms of salt tolerance 2 Candidate genes for salt tolerance and results of transformation experiments 6 Gene activity expected in roots, leaves and growing tissues of plants exposed to salinity, and results of gene expression studies 11 Conclusions 16 Acknowledgements 16 References 16 Summary Salinity tolerance comes from genes that limit the rate of salt uptake from the soil and the transport of salt throughout the plant, adjust the ionic and osmotic balance of cells in roots and shoots, and regulate leaf development and the onset of senescence. This review lists some candidate genes for salinity tolerance, and draws together hypotheses about the functions of these genes and the specific tissues in which they might operate. Little has been revealed by gene expression studies so far, perhaps because the studies are not tissue‐specific, and because the treatments are often traumatic and unnatural. Suggestions are made to increase the value of molecular studies in identifying genes that are important for salinity tolerance.

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Elucidation of salt stress defense and tolerance mechanisms of crop plants using proteomics-Current achievements and perspectives

Barkla¹,

Castellanos²,

León³

et al. 2013

Proteomics

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Salinity is a major threat limiting the productivity of crop plants. A clear demand for improving the salinity tolerance of the major crop plants is imposed by the rapidly growing world population. This review summarizes the achievements of proteomic studies to elucidate the response mechanisms of selected model and crop plants to cope with salinity stress. We also aim at identifying research areas, which deserve increased attention in future proteome studies, as a prerequisite to identify novel targets for breeding strategies. Such areas include the impact of plant-microbial communities on the salinity tolerance of crops under field conditions, the importance of hormone signaling in abiotic stress tolerance, and the significance of control mechanisms underlying the observed changes in the proteome patterns. We briefly highlight the impact of novel tools for future proteome studies and argue for the use of integrated approaches. The evaluation of genetic resources by means of novel automated phenotyping facilities will have a large impact on the application of proteomics especially in combination with metabolomics or transcriptomics.

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Genetics of Salinity Responses and Plant Breeding

Cited by 5 publications

References 296 publications

Plant Aquaporins: New Perspectives on Water and Nutrient Uptake in Saline Environment

Plant Aquaporins: New Perspectives on Water and Nutrient Uptake in Saline Environment

Genes and salt tolerance: bringing them together

Elucidation of salt stress defense and tolerance mechanisms of crop plants using proteomics-Current achievements and perspectives

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