11/6/2023 0 Comments Salt toxicity in beet seedlingsSalt tolerance is evolutionarily labile in a diverse set of angiosperm families. Advances in understanding the physiological and molecular responses of sugar beet to salt stress. The physiological and metabolic changes in sugar beet seedlings under different levels of salt stress. Wang Y., Stevanato P., Yu L., Zhao H., Sun X., Sun F., Li J., Geng G. Effect of arbuscular mycorrhizal fungi on growth, mineral nutrition, antioxidant enzymes activity and fruit yield of tomato grown under salt stress. Our results revealed the mechanism of salt tolerance in sugar beet and provided potential metabolic pathways and gene markers for growing salt-tolerant cultivars.ĭifferentially expressed gene physiological analysis salt stress sugar beet transcriptomic analysis.Ībdel Latef A., He C. Moreover, expression patterns of several genes differed between the two cultivars in response to salt stress, and several key pathways involved in determining the salt tolerance of sugar beet, were identified. Many of the differentially expressed genes were involved in stress and defense responses, metabolic processes, signal transduction, transport processes, and cell wall synthesis. The protective role of melatonin (0, 30, 60, and 90 µM) was exam-ined by measuring leaf photosynthetic characteristics, antioxidant system, and osmotic adjustment substances of sugar beet seedlings under salt (300 mM +Na ) and non-salt stresses. Based on a high-throughput experimental system, 1714 differentially expressed genes were identified in the leaves of the salt-sensitive genotype, and 2912 in the salt-tolerant one. inducing salt tolerance in sugar beet (Beta vulgaris L.). Compared to the salt-sensitive cultivar (S710), the salt-tolerant one (T710MU) showed better growth and exhibited a higher chlorophyll content, higher antioxidant enzyme activity, and increased levels of osmotic adjustment molecules. To the best of our knowledge, this is the first comparison of salt-response transcriptomes in sugar beet with contrasting genotypes. To decipher the molecular mechanism of sugar beet under salt stress, we conducted transcriptomic analyses of two contrasting sugar beet genotypes. Sugar beet ( Beta vulgaris L.), one of the main sugar crops in the world, shows a strong tolerance to salt stress. Soil salinization is a common environmental problem that seriously affects the yield and quality of crops.
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