Salinity induced physiological and biochemical changes in plants: An omic approach towards salt stress tolerance

Arif, Yamshi; Singh, Priyanka; Siddiqui, Husna; Bajguz, Andrzej; Hayat, Shamsul

doi:10.1016/j.plaphy.2020.08.042

Cited by 611 publications

(399 citation statements)

References 67 publications

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“…Inhibition of photosynthesis is among the first indicators of salinity stress. Numerous studies have reported photosynthetic changes in crop plants in response to salinity stress [36][37][38][39]. Generally, photosynthesis is retarded by increasing salt levels [36,37,40,41].…”

Section: Discussionmentioning

confidence: 99%

The impact of different Zinc (Zn) levels on growth and nutrient uptake of Basil (Ocimum basilicum L.) grown under salinity stress

Tolay

2021

PLoS ONE

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Salinity is among the most important abiotic stresses, which negatively affect growth, nutrient uptake and yield of crop plants. Application of different micronutrients, particularly zinc (Zn) have the potential to ameliorate the negative impacts of salinity stress. However, the role of Zn in improving salinity tolerance of basil (Ocimum basilicum L.) is poorly understood. This study evaluated the impact of different Zn levels (0, 5 and 10 mg kg-1) on growth and nutrient acquisition traits of basil under different salinity levels (0, 0.5, 1.0 and 1.5% NaCl). Data relating to biomass production, chlorophyll index, sodium (Na), potassium (K) uptake, K/Na ratio, Zn, copper (Cu), manganese (Mn) and iron (Fe) uptake were recorded. Increasing salinity level reduced biomass production, chlorophyll index and nutrient uptake traits (except for Na and Fe accumulation) of basil. Zinc application (10 mg kg-1) improved biomass production, chlorophyll index and nutrient acquisition traits under normal as well as saline conditions. The reduction in chlorophyll index and biomass production was higher under 0 and 5 mg kg-1 than 10 mg kg-1 Zn application. The K concentration decreased under increasing salinity; however, Zn application improved K uptake under normal as well as saline conditions. Different growth and nutrient acquisition traits had negative correlations with Na accumulation; however, no positive correlation was recorded among growth and nutrient uptake traits. The results revealed that Zn application could improve the salinity tolerance of basil. However, actual biochemical and genetic mechanisms involved in Zn-induced salinity tolerance warrant further investigation.

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Section: Discussionmentioning

confidence: 99%

The impact of different Zinc (Zn) levels on growth and nutrient uptake of Basil (Ocimum basilicum L.) grown under salinity stress

Tolay

2021

PLoS ONE

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“…However, Na content that accumulated in the tolerant genotype Wennong5 was second only to that in Chuanmai107. Glycophytes cope with salinity stress not only by Na + exclusion from shoots [ 12 , 13 , 14 , 46 ] but also by tissue tolerance through the compartmentalization of Na + , mainly in vacuoles [ 13 , 21 , 47 ]. Thus, the different Na contents in the tolerant genotypes may suggest that Na + exclusion and tissue tolerance vary independently.…”

Section: Discussionmentioning

confidence: 99%

“…Plants enhance their tolerance to osmotic stress by maintaining cell turgor through the accumulation of soluble osmotic adjustment substances such as proline and soluble sugars [ 9 , 10 , 11 ]. Meanwhile, tissue tolerance to ionic toxicity can be improved by regulating Na + /K + homeostasis and Na + compartmentalization and exclusion [ 12 , 13 , 14 ]. In addition, antioxidant protection systems may be stimulated to scavenge reactive oxygen species (ROS), resulting in the enhancement of tolerance to oxidative stress [ 15 , 16 ].…”

Section: Introductionmentioning

confidence: 99%

Identification and Characterization of Wheat Germplasm for Salt Tolerance

Quan

Liang

et al. 2021

Plants

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Salinity is one of the limiting factors of wheat production worldwide. A total of 334 internationally derived wheat genotypes were employed to identify new germplasm resources for salt tolerance breeding. Salt stress caused 39, 49, 58, 55, 21 and 39% reductions in shoot dry weight (SDW), root dry weight (RDW), shoot fresh weight (SFW), root fresh weight (RFW), shoot height (SH) and root length (RL) of wheat, respectively, compared with the control condition at the seedling stage. The wheat genotypes showed a wide genetic and tissue diversity for the determined characteristics in response to salt stress. Finally, 12 wheat genotypes were identified as salt-tolerant through a combination of one-factor (more emphasis on the biomass yield) and multifactor analysis. In general, greater accumulation of osmotic substances, efficient use of soluble sugars, lower Na+/K+ and a higher-efficiency antioxidative system contribute to better growth in the tolerant genotypes under salt stress. In other words, the tolerant genotypes are capable of maintaining stable osmotic potential and ion and redox homeostasis and providing more energy and materials for root growth. The identified genotypes with higher salt tolerance could be useful for developing new salt-tolerant wheat cultivars as well as in further studies to underline the genetic mechanisms of salt tolerance in wheat.

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“…Plants respond to salinity by switching on a coordinated set of physiological and molecular responses resulting in acclimation [14] , [15] . Salt stress is perceived as ionic (Na + ) stress signal, and the SOS-mediated pathway limits Na + levels in the cytosol under salt stress and helps to maintain a high cytosolic K + /Na + ratio [16] , necessary for salt tolerance.…”

Section: Introductionmentioning

confidence: 99%

Systems biology reveals key tissue-specific metabolic and transcriptional signatures involved in the response of Medicago truncatula plant genotypes to salt stress

Filippou

Zarza

Antoniou

et al. 2021

Computational and Structural Biotechnology Journal

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Salinity induced physiological and biochemical changes in plants: An omic approach towards salt stress tolerance

Cited by 611 publications

References 67 publications

The impact of different Zinc (Zn) levels on growth and nutrient uptake of Basil (Ocimum basilicum L.) grown under salinity stress

The impact of different Zinc (Zn) levels on growth and nutrient uptake of Basil (Ocimum basilicum L.) grown under salinity stress

Identification and Characterization of Wheat Germplasm for Salt Tolerance

Systems biology reveals key tissue-specific metabolic and transcriptional signatures involved in the response of Medicago truncatula plant genotypes to salt stress

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