Abstract
Salinity is a major abiotic stress that inhibits seed germination, plant growth, and consequently the productivity of many important crops such as barley. Expansins are a major group of cell wall-loosening proteins, which play important roles in plant growth and development, and in response to different environmental stresses. In this study, salinity tolerance and changes in the expression of expansin genes in barley were tested. The germination percentage of Yarmouk was 72.3% of the control after 48 hours of salt stress, and that of Rum was 27.4%. Reserve mobilization was 61.6% and 43.6% of the control in Yarmouk and Rum, respectively. The decrease in the total soluble sugars was 0.3, and 0.54 mg. ml−1. g−1 FW in Yarmouk and Rum, respectively. Yarmouk has a higher number of induced expansin genes under salt stress compared to Rum. This indicates a significant role for expansins in the improvement of salinity tolerance of barley.
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Claims 8
Claim · model-written summary
Germination of the barley line Yarmouk after 48 h of salt stress was 72.3% of the control.
- Taxon
- barley
.jpg?width=60)
Hordeum vulgaret0 - Material
- Yarmouke0
- Treatment
- salt stresse1
- Outcome
- germination percentagee0
- Direction
- lowerinferrede0
- Value
- 72.3% of the controle0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
t0“barley roots”
e0“The germination percentage of Yarmouk was 72.3% of the control after 48 hours of salt stress, and that of Rum was 27.4%”
e1“48 hours of salt stress”
Claim · model-written summary
Germination of the barley line Rum after 48 h of salt stress was 27.4% of the control.
- Taxon
- barleyHordeum vulgaret0
- Material
- Rume0
- Treatment
- salt stresse1
- Outcome
- germination percentagee0
- Direction
- lowerinferrede0
- Value
- 27.4%e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“barley roots”
e0“The germination percentage of Yarmouk was 72.3% of the control after 48 hours of salt stress, and that of Rum was 27.4%”
e1“48 hours of salt stress”
Claim · model-written summary
Reserve mobilization in Yarmouk under salt stress was 61.6% of the control.
- Taxon
- barleyHordeum vulgaret0
- Material
- Yarmouke0
- Treatment
- salt stresse1
- Outcome
- Reserve mobilizatione0
- Direction
- lowerinferrede0
- Value
- 61.6%e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“barley roots”
e0“Reserve mobilization was 61.6% and 43.6% of the control in Yarmouk and Rum, respectively”
e1“48 hours of salt stress”
Claim · model-written summary
Reserve mobilization in Rum under salt stress was 43.6% of the control.
- Taxon
- barleyHordeum vulgaret0
- Material
- Rume0
- Treatment
- salt stresse1
- Outcome
- Reserve mobilizatione0
- Direction
- lowerinferrede0
- Value
- 43.6%e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“barley roots”
e0“Reserve mobilization was 61.6% and 43.6% of the control in Yarmouk and Rum, respectively”
e1“48 hours of salt stress”
Claim · model-written summary
Total soluble sugars decreased by 0.3 mg/ml/g FW in Yarmouk under salinity.
- Taxon
- barleyHordeum vulgaret0
- Material
- Yarmouke0
- Outcome
- total soluble sugarse0
- Direction
- decreasee0
- Value
- 0.3e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“barley roots”
e0“The decrease in the total soluble sugars was 0.3, and 0.54 mg. ml−1. g−1 FW in Yarmouk and Rum, respectively”
Claim · model-written summary
Total soluble sugars decreased by 0.54 mg/ml/g FW in Rum under salinity.
- Taxon
- barleyHordeum vulgaret0
- Material
- Rume0
- Outcome
- total soluble sugarse0
- Direction
- decreasee0
- Value
- 0.54 mg. ml−1. g−1 FWe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“barley roots”
e0“The decrease in the total soluble sugars was 0.3, and 0.54 mg. ml−1. g−1 FW in Yarmouk and Rum, respectively”
Claim · model-written summary
Yarmouk had a higher number of induced expansin genes than Rum under salt stress.
- Taxon
- barleyHordeum vulgaret0
- Material
- Yarmouke0
- Treatment
- salt stresse0
- Gene
- expansin genese0
- Outcome
- number of induced expansin genese0
- Direction
- highere0
- Comparator
- Rume0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“barley roots”
e0“Yarmouk has a higher number of induced expansin genes under salt stress compared to Rum”
Claim · model-written summary
The authors infer that expansins play a significant role in improving salinity tolerance of barley.
- Taxon
- barleyHordeum vulgaree0
- Gene
- expansinse0
- Outcome
- salinity tolerancee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This indicates a significant role for expansins in the improvement of salinity tolerance of barley”
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See all 103 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.