Abstract
Due to worldwide increasing of salinity, the identification of genes conferring tolerance to plants is important. The aim of this study was to investigate salinity effects on the expression of three genes-related to proteins and aquaporin in grape (Vitis vinifera L.). Based on screening study on 18 grape genotypes, H6 and Gharashani that showed lower decrease in water potential, leaf area, leaf growth rate and relative water content under salinity, were selected as tolerant genotypes compared to sensitive ones (Shirazi and GhezelUzum). Plants were treated with 50 mM NaCl as a critical concentration for 0, 24 hours and 14 days. High expression of VvFS41 gene in the sensitive genotypes under salinity showed that these genotypes used all of their capacity to survive under stress condition. The expression of VvPHP1 showed no regular status. Expression of VvPIP2.2 decreased in roots of all genotypes under salinity and the determination of VvPIP2.2 role seems be difficult in these genotypes. Based on the results, sensitive genotypes showed higher changes in proteins and aquaporin genes under salinity, but tolerant genotypes was more stable. Our findings showed a significant difference between tolerant and sensitive genotypes and highlighted a strong relationship between the accumulation of specific transcripts and stress tolerance.
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Claims 8
Claim · model-written summary
H6 and Gharashani showed a smaller water-potential decrease under salinity than sensitive genotypes.
- Material
- H6 and Gharashanie0
- Treatment
- salinitye0
- Outcome
- water potentiale0
- Direction
- lower decreasee0
- Comparator
- sensitive ones (Shirazi and GhezelUzum)e0
Not reportedTaxon
Verbatim
e0“H6 and Gharashani that showed lower decrease in water potential, leaf area, leaf growth rate and relative water content under salinity, were selected as tolerant genotypes compared to sensitive ones (Shirazi and GhezelUzum)”
Claim · model-written summary
H6 and Gharashani showed smaller decreases in leaf area and growth rate under salinity than sensitive genotypes.
- Material
- H6 and Gharashanie0
- Treatment
- salinitye0
- Outcome
- leaf area, leaf growth ratee0
- Direction
- lower decreasee0
- Comparator
- sensitive ones (Shirazi and GhezelUzum)e0
Not reportedTaxon
Verbatim
e0“H6 and Gharashani that showed lower decrease in water potential, leaf area, leaf growth rate and relative water content under salinity, were selected as tolerant genotypes compared to sensitive ones (Shirazi and GhezelUzum)”
Claim · model-written summary
H6 and Gharashani showed a smaller decrease in relative water content under salinity than sensitive genotypes.
- Material
- H6 and Gharashanie0
- Treatment
- salinitye0
- Outcome
- relative water contente0
- Direction
- lower decreasee0
- Comparator
- sensitive ones (Shirazi and GhezelUzum)e0
Not reportedTaxon
Verbatim
e0“H6 and Gharashani that showed lower decrease in water potential, leaf area, leaf growth rate and relative water content under salinity, were selected as tolerant genotypes compared to sensitive ones (Shirazi and GhezelUzum)”
Claim · model-written summary
VvFS41 expression was high in sensitive genotypes under salinity.
Not reportedTaxon
Verbatim
e0“High expression of VvFS41 gene in the sensitive genotypes under salinity”
Claim · model-written summary
VvPHP1 expression showed no regular pattern.
Not reportedTaxon
Verbatim
e0“The expression of VvPHP1 showed no regular status.”
Claim · model-written summary
VvPIP2.2 expression decreased in roots of all genotypes under salinity.
- Organ / stage
- rootse0
- Treatment
- salinitye0
- Gene
- VvPIP2.2e0
- Outcome
- Expression of VvPIP2.2e0
- Direction
- decreasede0
Not reportedTaxonComparator
Verbatim
e0“Expression of VvPIP2.2 decreased in roots of all genotypes under salinity”
Claim · model-written summary
Sensitive genotypes had larger changes in protein and aquaporin gene expression under salinity than tolerant genotypes.
- Material
- sensitive genotypese0
- Outcome
- changes in proteins and aquaporin genese0
- Direction
- highere0
- Comparator
- tolerant genotypese0
Not reportedTaxon
Verbatim
e0“sensitive genotypes showed higher changes in proteins and aquaporin genes under salinity, but tolerant genotypes was more stable”
Claim · model-written summary
The authors report a significant relation between specific transcript accumulation and stress tolerance.
Not reportedTaxonDirection
Verbatim
e0“a significant difference between tolerant and sensitive genotypes and highlighted a strong relationship between the accumulation of specific transcripts and stress tolerance”