Abstract
As an indispensable element in the morphology and phytochemical profile of plants, UV-A has proved to help promote the growth and quality of kale. In this study, UV-A supplementation in different photoperiods (light period supplemental UVA = LS, dark period supplemental UVA = DS, and light-dark period supplemental UVA = LDS) contributed to yielding greater biomass production (fresh weight, dry weight, and plant moisture content), thus improving morphology (plant height, stem diameter, etc.) and promoting higher phytochemicals content (flavonoids, vitamin c, etc.), especially glucosinolates. To fathom its mechanisms, this study, using RNA-seq, verified that UV-A supplementation treatments signally generated related DEGs of plant hormone signal pathway, circadian rhythm plant pathway, glucosinolate pathway, etc. Moreover, 2047 DEGs were obtained in WGCNA, illustrating the correlations between genes, treatments, and pathways. Additionally, DS remarkedly up-regulated related DEGs of the key pathways and ultimately contributed to promoting the stem diameter, plant height, etc., thus increasing the pigment, biomass, vitamin c, etc., enhancing the antioxidant capacity, and most importantly, boosting the accumulations of glucosinolates in kale. In short, this study displayed new insights into UV-A supplementation affected the pathways related to the morphology and phytochemical profile of kale in plant factories.
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Claims 11
Claim · model-written summary
UV-A supplementation increased kale fresh weight, dry weight and moisture content.
- Taxon
- Kale
Brassica oleracea var. viridist0 - Treatment
- UV-A supplementatione0
- Outcome
- fresh weight, dry weight, and plant moisture contente0
- Direction
- greatere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“UV-A supplementation in different photoperiods (light period supplemental UVA = LS, dark period supplemental UVA = DS, and light-dark period supplemental UVA = LDS) contributed to yielding greater biomass production (fresh weight, dry weight, and plant moisture content)”
t0“Kale”
Claim · model-written summary
UV-A supplementation improved kale height and stem diameter.
- Taxon
- KaleBrassica oleracea var. viridist0
- Treatment
- UV-A supplementatione1
- Outcome
- plant height, stem diametere0
- Direction
- improvinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“thus improving morphology (plant height, stem diameter, etc.)”
t0“Kale”
e1“UV-A supplementation in different photoperiods”
Claim · model-written summary
UV-A supplementation increased flavonoid and vitamin c content.
- Taxon
- KaleBrassica oleracea var. viridist0
- Treatment
- UV-A supplementatione1
- Outcome
- flavonoids, vitamin ce0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“promoting higher phytochemicals content (flavonoids, vitamin c, etc.), especially glucosinolates”
e1“UV-A supplementation in different photoperiods”
t0“Kale”
Claim · model-written summary
UV-A supplementation particularly increased glucosinolates.
- Taxon
- KaleBrassica oleracea var. viridist0
- Treatment
- UV-A supplementatione1
- Outcome
- glucosinolatese0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“promoting higher phytochemicals content (flavonoids, vitamin c, etc.), especially glucosinolates”
e1“UV-A supplementation in different photoperiods”
t0“Kale”
Claim · model-written summary
UV-A supplementation generated differentially expressed genes in hormone, circadian and glucosinolate pathways.
- Taxon
- KaleBrassica oleracea var. viridist0
- Treatment
- UV-A supplementation treatmentse0
- Outcome
- DEGs of plant hormone signal pathway, circadian rhythm plant pathway, glucosinolate pathwaye0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“UV-A supplementation treatments signally generated related DEGs of plant hormone signal pathway, circadian rhythm plant pathway, glucosinolate pathway, etc.”
t0“Kale”
Claim · model-written summary
WGCNA obtained 2047 differentially expressed genes.
- Taxon
- KaleBrassica oleracea var. viridist0
- Outcome
- DEGse0
- Value
- 2047e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“2047 DEGs were obtained in WGCNA”
t0“Kale”
Claim · model-written summary
Dark period UV-A upregulated differentially expressed genes in key pathways.
- Taxon
- KaleBrassica oleracea var. viridist0
- Treatment
- dark period supplemental UVAe1
- Outcome
- DEGs of the key pathwayse0
- Direction
- up-regulatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“DS remarkedly up-regulated related DEGs of the key pathways”
e1“dark period supplemental UVA = DS”
t0“Kale”
Claim · model-written summary
Dark period UV-A increased kale stem diameter and plant height.
- Taxon
- KaleBrassica oleracea var. viridist0
- Treatment
- dark period supplemental UVAe1
- Outcome
- stem diameter, plant heighte0
- Direction
- promotinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“DS remarkedly up-regulated related DEGs of the key pathways and ultimately contributed to promoting the stem diameter, plant height, etc.”
e1“dark period supplemental UVA = DS”
t0“Kale”
Claim · model-written summary
Dark period UV-A increased pigment, biomass and vitamin c.
- Taxon
- KaleBrassica oleracea var. viridist0
- Treatment
- dark period supplemental UVAe1
- Outcome
- pigment, biomass, vitamin ce0
- Direction
- increasinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“thus increasing the pigment, biomass, vitamin c, etc.”
e1“dark period supplemental UVA = DS”
t0“Kale”
Claim · model-written summary
Dark period UV-A enhanced antioxidant capacity.
- Taxon
- KaleBrassica oleracea var. viridist0
- Treatment
- dark period supplemental UVAe1
- Outcome
- antioxidant capacitye0
- Direction
- enhancinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“enhancing the antioxidant capacity”
e1“dark period supplemental UVA = DS”
t0“Kale”
Claim · model-written summary
Dark period UV-A boosted glucosinolate accumulation.
- Taxon
- kaleBrassica oleracea var. viridise0
- Treatment
- dark period supplemental UVAe1
- Outcome
- accumulations of glucosinolatese0
- Direction
- boostinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“boosting the accumulations of glucosinolates in kale”
e1“dark period supplemental UVA = DS”
t0“Kale”
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See all 11 papers →8 of 9 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.
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.