Osmotic adjustment in triticales grown in presence of NaCl

Morant-Avice, A.; Pradier, Elisabeth; Houchi, R.

doi:10.1023/a:1001814614014

Cited by 11 publications

(3 citation statements)

References 15 publications

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“…According to Morant-Avice et al [ 32 ], proteins are very susceptible to severe salt-toxicity because their synthesis is dependent on physiological potassium (K + ) and because absorption of K + is inhibited by excess of sodium (Na + ) and chloride (Cl - ) [ 33 ]. Saline stress also causes a physiological imbalance between Na + and K + , an essential macronutrient that is crucial for protein synthesis [ 33 , 34 ].…”

Section: Discussionmentioning

confidence: 99%

Simultaneous Biochemical and Physiological Responses of the Roots and Leaves of Pancratium maritimum (Amaryllidaceae) to Mild Salt Stress

Carfagna

Salbitani

Innangi

et al. 2021

Plants

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Pancratium maritimum (Amaryllidaceae) is a bulbous geophyte growing on coastal sands. In this study, we investigated changes in concentrations of metabolites in the root and leaf tissue of P. maritimum in response to mild salt stress. Changes in concentrations of osmolytes, glutathione, sodium, mineral nutrients, enzymes, and other compounds in the leaves and roots were measured at 0, 3, and 10 days during a 10-day exposure to two levels of mild salt stress, 50 mM NaCl or 100 mM NaCl in sandy soil from where the plants were collected in dunes near Cuma, Italy. Sodium accumulated in the roots, and relatively little was translocated to the leaves. At both concentrations of NaCl, higher values of the concentrations of oxidized glutathione disulfide (GSSG), compared to reduced glutathione (GSH), in roots and leaves were associated with salt tolerance. The concentration of proline increased more in the leaves than in the roots, and glycine betaine increased in both roots and leaves. Differences in the accumulation of organic osmolytes and electron donors synthesized in both leaves and roots demonstrate that osmoregulatory and electrical responses occur in these organs of P. maritimum under mild salt stress.

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Section: Discussionmentioning

confidence: 99%

Simultaneous Biochemical and Physiological Responses of the Roots and Leaves of Pancratium maritimum (Amaryllidaceae) to Mild Salt Stress

Carfagna

Salbitani

Innangi

et al. 2021

Plants

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“…Antioxidant enzymes, such as POD (peroxidase), CAT (catalase), and SOD (superoxide dismutase), play important roles in the adaptation of plants to salt stress. In this study, the concentration of total soluble proteins was first measured, and the result indicated a significant decrease compared to the control ( Figure 4 a), which may be a common response to salt stress in many plants [ 12 , 13 , 14 ], due to the ability of sodium and chloride to inhibit protein synthesis [ 15 ]. The activity of POD, CAT, and SOD increased significantly after salt treatment ( Figure 4 b–d), suggesting that salt stress induced the synthesis of proteins in the antioxidant enzyme system, or that any inhibitory mechanisms in Chinese cabbage were inactivated by salt treatment.…”

Section: Resultsmentioning

confidence: 99%

Physiological and Transcriptomic Responses of Chinese Cabbage (Brassica rapa L. ssp. Pekinensis) to Salt Stress

Qiu

Liu

et al. 2017

IJMS

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Salt stress is one of the major abiotic stresses that severely impact plant growth and development. In this study, we investigated the physiological and transcriptomic responses of Chinese cabbage “Qingmaye” to salt stress, a main variety in North China. Our results showed that the growth and photosynthesis of Chinese cabbage were significantly inhibited by salt treatment. However, as a glycophyte, Chinese cabbage could cope with high salinity; it could complete an entire life cycle at 100 mM NaCl. The high salt tolerance of Chinese cabbage was achieved by accumulating osmoprotectants and by maintaining higher activity of antioxidant enzymes. Transcriptomic responses were analyzed using the digital gene expression profiling (DGE) technique after 12 h of treatment by 200 mM NaCl. A total of 1235 differentially expressed genes (DEGs) including 740 up- and 495 down-regulated genes were identified. Functional annotation analyses showed that the DEGs were related to signal transduction, osmolyte synthesis, transcription factors, and antioxidant proteins. Taken together, this study contributes to our understanding of the mechanism of salt tolerance in Chinese cabbage and provides valuable information for further improvement of salt tolerance in Chinese cabbage breeding programs.

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“…Protein synthesis has been considered as a possible primary target of salt toxicity as reported by Gulen et al (2006). Under salt stress, some studies reported that protein synthesis increased (Singh et al, 1987;Chandrashekar and Sandhyarani, 1995), while others decreased (Morant-Avice et al, 1998;Gulen et al, 2006;Oueslati et al, 2010) or remained unchanged (Singh et al, 1987). In this respect, we found that soluble protein content decreased at 34 and 68 mM NaCl and increased at 102, 136 and 170 mM NaCl (Figure 3).…”

Section: Discussionmentioning

confidence: 99%

Effects of NaCl stress on seed germination, early seedling growth and physiological characteristics of cauliflower (Brassica oleracea L. var. botrytis L.)

Shiyang¹,

Luo²,

Liu³

et al. 2011

Afr. J. Biotechnol.

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Effects of salt stress on seed germination, early seedling growth and some physiological characteristics were evaluated for four cauliflower species in seven treatments of salinity including 0 (control), 34, 68, 102, 136, 170 and 204 mM NaCl in a three replicated randomized completely block design (RCBD). This result shows that different treatments of salinity had considerable effect on the germination percentage, vigor index, seedling height, root length, peroxidase (POD), superoxide dismutase (SOD), catalase (CAT) and root activities, malondialdehyde (MDA), soluble protein, chlorophyll and carotenoid contents. Germination percentage and vigor index of four species showed considerable decrease with increasing salinity up to 204 mM NaCl except for germination at 34 mM NaCl. The seedling growth was significantly affected by all salinity levels. Particularly at 136 mM and 170 mM NaCl, seedling height and root length of all species were reduced significantly. POD and root activities of all four species were reduced gradually as salinity increased. SOD activities and chlorophyll and carotenoid contents of these species increased first at 34, 68 and 102 mM NaCl and then decreased at 136 and 170 mM NaCl. Both CAT activity and soluble protein content showed the reversed changing trend with SOD etc. MDA Contents of these four species showed considerable increase with increasing salinity up to 204 mM NaCl.

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Osmotic adjustment in triticales grown in presence of NaCl

Cited by 11 publications

References 15 publications

Simultaneous Biochemical and Physiological Responses of the Roots and Leaves of Pancratium maritimum (Amaryllidaceae) to Mild Salt Stress

Simultaneous Biochemical and Physiological Responses of the Roots and Leaves of Pancratium maritimum (Amaryllidaceae) to Mild Salt Stress

Physiological and Transcriptomic Responses of Chinese Cabbage (Brassica rapa L. ssp. Pekinensis) to Salt Stress

Effects of NaCl stress on seed germination, early seedling growth and physiological characteristics of cauliflower (Brassica oleracea L. var. botrytis L.)

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