Abstract
Rates of photosynthesis,tolerance to photooxidative stress,and senescence are all important physiological factors that affect plant development and thus agricultural productivity.GRAS proteins play essential roles in plant growth and development as well as in plant responses to biotic and abiotic stresses.So far few GRAS genes in wheat(Triticum aestivum L.)have been characterized.A previous transcriptome analysis indicated that the expression of a GRAS gene(TaSCL14) was induced by high-light stress in Xiaoyan 54(XY54),a common wheat cultivar with strong tolerance to high-light stress.In this study,TaSCL14 gene was isolated from XY54 and mapped on chromosome 4A.TaSCL14 was expressed in various wheat organs,with high levels in stems and roots.Our results confirmed that TaSCL14 expression was indeed responsive to high-light stress.Barley stripe mosaic virus(BSMV)-based virus-induced gene silencing(VIGS)of TaSCL14 in wheat was performed to help characterize its potential functions.Silencing of TaSCL14 resulted in inhibited plant growth,decreased photosynthetic capacity,and reduced tolerance to photooxidative stress.In addition,silencing of TaSCL14 in wheat promoted leaf senescence induced by darkness.These results suggest that TaSCL14 may act as a multifunctional regulator involved in plant growth,photosynthesis,tolerance to photooxidative stress,and senescence.
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Claims 7
Claim · model-written summary
TaSCL14 was isolated from wheat cultivar Xiaoyan 54 and mapped to chromosome 4A.
- Taxon
- Wheat(Triticum aestivum L.)
Triticum aestivumt0 - Material
- XY54e0
- Gene
- TaSCL14e0
- Outcome
- chromosome 4Ae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“TaSCL14 gene was isolated from XY54 and mapped on chromosome 4A”
t0“Wheat(Triticum aestivum L.)”
Claim · model-written summary
TaSCL14 was expressed in various wheat organs, with high expression in stems and roots.
- Taxon
- Wheat(Triticum aestivum L.)Triticum aestivumt0
- Organ / stage
- stems and rootse0
- Gene
- TaSCL14e0
- Outcome
- high levelse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“TaSCL14 was expressed in various wheat organs,with high levels in stems and roots”
t0“Wheat(Triticum aestivum L.)”
Claim · model-written summary
TaSCL14 expression responded to high-light stress in wheat.
- Taxon
- Wheat(Triticum aestivum L.)Triticum aestivumt0
- Treatment
- high-light stresse0
- Gene
- TaSCL14e0
- Outcome
- TaSCL14 expressione0
- Direction
- responsivee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“TaSCL14 expression was indeed responsive to high-light stress”
t0“Wheat(Triticum aestivum L.)”
Claim · model-written summary
Silencing TaSCL14 inhibited wheat growth.
- Taxon
- Wheat(Triticum aestivum L.)Triticum aestivumt0
- Treatment
- Silencing of TaSCL14e0
- Gene
- TaSCL14e0
- Outcome
- plant growthe0
- Direction
- inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Silencing of TaSCL14 resulted in inhibited plant growth,decreased photosynthetic capacity,and reduced tolerance to photooxidative stress”
t0“Wheat(Triticum aestivum L.)”
Claim · model-written summary
Silencing TaSCL14 decreased wheat photosynthetic capacity.
- Taxon
- Wheat(Triticum aestivum L.)Triticum aestivumt0
- Treatment
- Silencing of TaSCL14e0
- Gene
- TaSCL14e0
- Outcome
- photosynthetic capacitye0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Silencing of TaSCL14 resulted in inhibited plant growth,decreased photosynthetic capacity,and reduced tolerance to photooxidative stress”
t0“Wheat(Triticum aestivum L.)”
Claim · model-written summary
Silencing TaSCL14 reduced wheat tolerance to photooxidative stress.
- Taxon
- Wheat(Triticum aestivum L.)Triticum aestivumt0
- Treatment
- Silencing of TaSCL14e0
- Gene
- TaSCL14e0
- Outcome
- tolerance to photooxidative stresse0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Silencing of TaSCL14 resulted in inhibited plant growth,decreased photosynthetic capacity,and reduced tolerance to photooxidative stress”
t0“Wheat(Triticum aestivum L.)”
Claim · model-written summary
Silencing TaSCL14 promoted darkness-induced leaf senescence in wheat.
- Taxon
- wheatTriticum aestivume0
- Organ / stage
- leafe0
- Treatment
- silencing of TaSCL14e0
- Gene
- TaSCL14e0
- Outcome
- leaf senescencee0
- Direction
- promotede0
- Qualifier
- induced by darknesse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“silencing of TaSCL14 in wheat promoted leaf senescence induced by darkness”
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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.