Abstract
Abstract Silicon (Si) has been verified to be a beneficial element for enhancing plant salt tolerance, but the mechanisms behind Si-mediated salt tolerance is still not fully understood. In this paper, seedlings of mung bean (Vigna radiata L.) growing in perlite culture matrix were treated with Si (0–2 mM K2SiO3) under NaCl (0–200 mM) stress, and the potential responding pathways involved in alleviating salt damage were investigated. The results showed that the biomass and chlorophyll content increased significantly by Si addition under salt stress. The soluble protein content increased about 17.8%, while soluble sugar and MDA decreased for 16.9 and 23.5%, respectively. The activity of ascorbate peroxidase and peroxidase increased about 50.3–52.4 and 27.7–33.7%. The results of scanning electron microscopy showed that Na+ content in leaves was higher than that in roots. RT-PCR results indicated that the transcription level of key ions transporter genes (POD, AT1, HKT1, Lsi1) were up-regulated after Si addition. These results revealed that Si application could enhanced salt tolerance by adjusting content of osmoregulatory substances, promoting antioxidant enzymes activity and up-regulating ions transporter genes expression. These results provide new insights into the potential mechanisms of Si-mediated salt tolerance in V. radiata plants.
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Claims 9
Claim · model-written summary
Si significantly increased biomass under salt stress.
- Taxon
- Vigna radiata L.
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Vigna radiatat0 - Treatment
- Si additione0
- Outcome
- biomasse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“the biomass and chlorophyll content increased significantly by Si addition under salt stress”
t0“Vigna radiata L.”
Claim · model-written summary
Si significantly increased chlorophyll under salt stress.
- Taxon
- Vigna radiata L.Vigna radiatat0
- Treatment
- Si additione0
- Outcome
- chlorophyll contente0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the biomass and chlorophyll content increased significantly by Si addition under salt stress”
t0“Vigna radiata L.”
Claim · model-written summary
Soluble protein increased about 17.8% with Si.
- Taxon
- Vigna radiata L.Vigna radiatat0
- Treatment
- Silicont0
- Outcome
- soluble protein contente0
- Direction
- increasede0
- Value
- 17.8%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The soluble protein content increased about 17.8%”
t0“Silicon Improves Salt Tolerance through Osmotic Adjustment, Enhancing Antioxidant Capacity and Up-Regulating Ions Transporter Genes Expression in Vigna radiata L.”
Claim · model-written summary
Soluble sugar decreased 16.9% with Si.
- Taxon
- Vigna radiata L.Vigna radiatat0
- Treatment
- Silicont0
- Outcome
- soluble sugare0
- Direction
- decreasede0
- Value
- 16.9e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soluble sugar and MDA decreased for 16.9 and 23.5%, respectively”
t0“Silicon Improves Salt Tolerance through Osmotic Adjustment, Enhancing Antioxidant Capacity and Up-Regulating Ions Transporter Genes Expression in Vigna radiata L.”
Claim · model-written summary
MDA decreased 23.5% with Si.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soluble sugar and MDA decreased for 16.9 and 23.5%, respectively”
t0“Silicon Improves Salt Tolerance through Osmotic Adjustment, Enhancing Antioxidant Capacity and Up-Regulating Ions Transporter Genes Expression in Vigna radiata L.”
Claim · model-written summary
Ascorbate peroxidase activity increased about 50.3–52.4%.
- Taxon
- Vigna radiata L.Vigna radiatat0
- Treatment
- Silicont0
- Outcome
- activity of ascorbate peroxidasee0
- Direction
- increasede0
- Value
- 50.3–52.4e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The activity of ascorbate peroxidase and peroxidase increased about 50.3–52.4 and 27.7–33.7%”
t0“Silicon Improves Salt Tolerance through Osmotic Adjustment, Enhancing Antioxidant Capacity and Up-Regulating Ions Transporter Genes Expression in Vigna radiata L.”
Claim · model-written summary
Peroxidase activity increased about 27.7–33.7%.
- Taxon
- Vigna radiata L.Vigna radiatat0
- Treatment
- Silicont0
- Outcome
- peroxidasee0
- Direction
- increasede0
- Value
- 27.7–33.7%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The activity of ascorbate peroxidase and peroxidase increased about 50.3–52.4 and 27.7–33.7%”
t0“Silicon Improves Salt Tolerance through Osmotic Adjustment, Enhancing Antioxidant Capacity and Up-Regulating Ions Transporter Genes Expression in Vigna radiata L.”
Claim · model-written summary
Leaves had higher Na+ content than roots.
- Taxon
- Vigna radiata L.Vigna radiatat0
- Organ / stage
- leavese0
- Outcome
- Na+ contente0
- Direction
- highere0
- Comparator
- rootse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Na+ content in leaves was higher than that in roots”
t0“Vigna radiata L.”
Claim · model-written summary
Si upregulated POD, AT1, HKT1 and Lsi1 transcription.
- Taxon
- Vigna radiata L.Vigna radiatat0
- Treatment
- Si additione0
- Gene
- POD, AT1, HKT1, Lsi1e0
- Outcome
- transcription levele0
- Direction
- up-regulatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“transcription level of key ions transporter genes (POD, AT1, HKT1, Lsi1) were up-regulated after Si addition”
t0“Vigna radiata L.”
The same questions in other papers
silicon atom · growth · Vigna radiata (mung bean)Positive and negative results
4 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
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2 papers more in this group
See all 6 papers →silicon atom · molecular: expression · Vigna radiata (mung bean)Results agree
1 paper in the same direction as this paper
- positive
silicon atom · physiology: oxidative · Vigna radiata (mung bean)Results agree
2 papers in the same direction as this paper
- positive
- positive
silicon atom · physiology: antioxidant enzymes · Vigna radiata (mung bean)Results agree
2 papers in the same direction as this paper
- positive
- positive
silicon atom · physiology: osmolytes · Vigna radiata (mung bean)Results agree
2 papers in the same direction as this paper
- positive
- positive
silicon atom · physiology: pigments · Vigna radiata (mung bean)Results agree
2 papers in the same direction as this paper
- positive
- positive
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.