Abstract
Soil salinity is a major constraint adversely affecting agricultural crops including wheat worldwide. The use of plant growth promoting rhizobacteria (PGPR) to alleviate salt stress in crops has attracted the focus of many researchers due to its safe and eco-friendly nature. The current study aimed to study the genetic potential of high halophilic Bacillus strains, isolated from the rhizosphere in the extreme environment of the Qinghai–Tibetan plateau region of China, to reduce salt stress in wheat plants. The genetic analysis of high halophilic strains, NMCN1, LLCG23, and moderate halophilic stain, FZB42, revealed their key genetic features that play an important role in salt stress, osmotic regulation, signal transduction and membrane transport. Consequently, the expression of predicted salt stress-related genes were upregulated in the halophilic strains upon NaCl treatments 10, 16 and 18%, as compared with control. The halophilic strains also induced a stress response in wheat plants through the regulation of lipid peroxidation, abscisic acid and proline in a very efficient manner. Furthermore, NMCN1 and LLCG23 significantly enhanced wheat growth parameters in terms of physiological traits, i.e., fresh weight 31.2% and 29.7%, dry weight 28.6% and 27.3%, shoot length 34.2% and 31.3% and root length 32.4% and 30.2%, respectively, as compared to control plants under high NaCl concentration (200 mmol). The Bacillus strains NMCN1 and LLCG23 efficiently modulated phytohormones, leading to the substantial enhancement of plant tolerance towards salt stress. Therefore, we concluded that NMCN1 and LLCG23 contain a plethora of genetic features enabling them to combat with salt stress, which could be widely used in different bio-formulations to obtain high crop production in saline conditions.
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Claims 13
Claim · model-written summary
Halophilic strains had genetic features associated with salt stress and transport.
Not reportedTaxonDirection
Verbatim
e0“NMCN1, LLCG23, and moderate halophilic stain, FZB42, revealed their key genetic features that play an important role in salt stress, osmotic regulation, signal transduction and membrane transport”
Claim · model-written summary
Predicted salt stress genes were upregulated in halophilic strains under NaCl.
- Treatment
- NaCl treatments 10, 16 and 18%e0
- Interactor
- halophilic strainse0symbiont
- Outcome
- expression of predicted salt stress-related genese0
- Direction
- upregulatede0
- Comparator
- controle0
Not reportedTaxon
Verbatim
e0“expression of predicted salt stress-related genes were upregulated in the halophilic strains upon NaCl treatments 10, 16 and 18%, as compared with control”
Claim · model-written summary
Halophilic strains regulated wheat lipid peroxidation, abscisic acid and proline.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- halophilic strainse0
- Interactor
- halophilic strainse0symbiont
- Outcome
- lipid peroxidation, abscisic acid and prolinee0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The halophilic strains also induced a stress response in wheat plants through the regulation of lipid peroxidation, abscisic acid and proline”
Claim · model-written summary
NMCN1 increased wheat fresh weight by 31.2% under high salt.
- Taxon
- wheatTriticum aestivume0
- Treatment
- NMCN1e0
- Interactor
- NMCN1e0symbiont
- Outcome
- fresh weighte0
- Direction
- enhancede0
- Value
- 31.2%e0
- Comparator
- control plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NMCN1 and LLCG23 significantly enhanced wheat growth parameters in terms of physiological traits, i.e., fresh weight 31.2% and 29.7%, dry weight 28.6% and 27.3%, shoot length 34.2% and 31.3% and root length 32.4% and 30.2%, respectively, as compared to control plants under high NaCl concentration (200 mmol)”
Claim · model-written summary
LLCG23 increased wheat fresh weight by 29.7% under high salt.
- Taxon
- wheatTriticum aestivume0
- Treatment
- LLCG23e0
- Interactor
- LLCG23e0symbiont
- Outcome
- fresh weighte0
- Direction
- enhancede0
- Value
- 29.7%e0
- Comparator
- control plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NMCN1 and LLCG23 significantly enhanced wheat growth parameters in terms of physiological traits, i.e., fresh weight 31.2% and 29.7%, dry weight 28.6% and 27.3%, shoot length 34.2% and 31.3% and root length 32.4% and 30.2%, respectively, as compared to control plants under high NaCl concentration (200 mmol)”
Claim · model-written summary
NMCN1 increased wheat dry weight by 28.6% under high salt.
- Taxon
- wheatTriticum aestivume0
- Treatment
- NMCN1e0
- Interactor
- NMCN1e0symbiont
- Outcome
- dry weighte0
- Direction
- enhancede0
- Value
- 28.6%e0
- Comparator
- control plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NMCN1 and LLCG23 significantly enhanced wheat growth parameters in terms of physiological traits, i.e., fresh weight 31.2% and 29.7%, dry weight 28.6% and 27.3%, shoot length 34.2% and 31.3% and root length 32.4% and 30.2%, respectively, as compared to control plants under high NaCl concentration (200 mmol)”
Claim · model-written summary
LLCG23 increased wheat dry weight by 27.3% under high salt.
- Taxon
- wheatTriticum aestivume0
- Treatment
- LLCG23e0
- Interactor
- LLCG23e0symbiont
- Outcome
- dry weighte0
- Direction
- enhancede0
- Value
- 27.3%e0
- Comparator
- control plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NMCN1 and LLCG23 significantly enhanced wheat growth parameters in terms of physiological traits, i.e., fresh weight 31.2% and 29.7%, dry weight 28.6% and 27.3%, shoot length 34.2% and 31.3% and root length 32.4% and 30.2%, respectively, as compared to control plants under high NaCl concentration (200 mmol)”
Claim · model-written summary
NMCN1 increased wheat shoot length by 34.2% under high salt.
- Taxon
- wheatTriticum aestivume0
- Treatment
- NMCN1e0
- Interactor
- NMCN1e0symbiont
- Outcome
- shoot lengthe0
- Direction
- enhancede0
- Value
- 34.2%e0
- Comparator
- control plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NMCN1 and LLCG23 significantly enhanced wheat growth parameters in terms of physiological traits, i.e., fresh weight 31.2% and 29.7%, dry weight 28.6% and 27.3%, shoot length 34.2% and 31.3% and root length 32.4% and 30.2%, respectively, as compared to control plants under high NaCl concentration (200 mmol)”
Claim · model-written summary
LLCG23 increased wheat shoot length by 31.3% under high salt.
- Taxon
- wheatTriticum aestivume0
- Treatment
- LLCG23e0
- Interactor
- LLCG23e0symbiont
- Outcome
- shoot lengthe0
- Direction
- enhancede0
- Value
- 31.3%e0
- Comparator
- control plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NMCN1 and LLCG23 significantly enhanced wheat growth parameters in terms of physiological traits, i.e., fresh weight 31.2% and 29.7%, dry weight 28.6% and 27.3%, shoot length 34.2% and 31.3% and root length 32.4% and 30.2%, respectively, as compared to control plants under high NaCl concentration (200 mmol)”
Claim · model-written summary
NMCN1 increased wheat root length by 32.4% under high salt.
- Taxon
- wheatTriticum aestivume0
- Treatment
- NMCN1e0
- Interactor
- NMCN1e0symbiont
- Outcome
- root lengthe0
- Direction
- enhancede0
- Value
- 32.4%e0
- Comparator
- control plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NMCN1 and LLCG23 significantly enhanced wheat growth parameters in terms of physiological traits, i.e., fresh weight 31.2% and 29.7%, dry weight 28.6% and 27.3%, shoot length 34.2% and 31.3% and root length 32.4% and 30.2%, respectively, as compared to control plants under high NaCl concentration (200 mmol)”
Claim · model-written summary
LLCG23 increased wheat root length by 30.2% under high salt.
- Taxon
- wheatTriticum aestivume0
- Treatment
- LLCG23e0
- Interactor
- LLCG23e0symbiont
- Outcome
- root lengthe0
- Direction
- enhancede0
- Value
- 30.2%e0
- Comparator
- control plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NMCN1 and LLCG23 significantly enhanced wheat growth parameters in terms of physiological traits, i.e., fresh weight 31.2% and 29.7%, dry weight 28.6% and 27.3%, shoot length 34.2% and 31.3% and root length 32.4% and 30.2%, respectively, as compared to control plants under high NaCl concentration (200 mmol)”
Claim · model-written summary
Bacillus strains modulated phytohormones and improved plant salt tolerance.
Verbatim
e0“The Bacillus strains NMCN1 and LLCG23 efficiently modulated phytohormones, leading to the substantial enhancement of plant tolerance towards salt stress”
Claim · model-written summary
Authors propose using these strains in bioformulations for crop production in saline conditions.
- Outcome
- bio-formulations to obtain high crop production in saline conditionse0
Not reportedTaxonDirection
Verbatim
e0“could be widely used in different bio-formulations to obtain high crop production in saline conditions”
The same questions in other papers
sodium chloride · molecular: expression · Triticum aestivum (wheat)Positive and negative results
12 papers in the same direction as this paper · 3 in the opposite direction
- no effect
- negative
- negative
12 papers more in this group
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