Abstract
Glucose （Glu） is involved in not only plant physiological and developmental events but also plant responses to abiotic stresses. Here, we found that the exogenous Glu improved root and shoot growth, reduced shoot cadmium （Cd） concentration, and rescued Cd-induced chlorosis in Arabidopsis thaliana （Columbia ecotype, Col-0） under Cd stressed conditions. Glucose increased Cd retained in the roots, thus reducing its translocation from root to shoot significantly. The most Cd retained in the roots was found in the hemicellulose 1. Glucose combined with Cd （Glu t Cd） treatment did not affect the content of pectin and its binding capacity of Cd while it increased the content of hemicelluloses 1 and the amount of Cd retained in it significantly. Furthermore, Leadmium Green staining indicated that more Cd was compartmented into vacuoles in Glu t Cd treatment compared with Cd treatment alone, which was in accordance with the＆amp;nbsp;significant upregulation of the expression of tonoplast-localized metal transporter genes, suggesting that com-partmentation of Cd into vacuoles also contributes to the Glu-alleviated Cd toxicity. Taken together, we demonstrated that Glu-alleviated Cd toxicity is mediated through increas-ing Cd fixation in the root cell wall and sequestration into the vacuoles.
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Claims 12
Claim · model-written summary
Exogenous glucose improved root and shoot growth of Arabidopsis under cadmium stress
- Taxon
- Arabidopsis
Arabidopsist0 - Treatment
- exogenous Glue1
- Outcome
- root and shoot growthe1
- Direction
- improvede1
- Qualifier
- under Cd stressed conditionse2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in Arabidopsis”
e1“the exogenous Glu improved root and shoot growth”
e2“under Cd stressed conditions”
Claim · model-written summary
Exogenous glucose reduced shoot cadmium concentration in Arabidopsis under cadmium stress
- Taxon
- ArabidopsisArabidopsist0
- Treatment
- exogenous Glue1
- Outcome
- shoot cadmiume3
- Direction
- reducede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in Arabidopsis”
e1“the exogenous Glu improved root and shoot growth”
e3“reduced shoot cadmium”
Claim · model-written summary
Exogenous glucose rescued cadmium-induced chlorosis in Arabidopsis
- Taxon
- ArabidopsisArabidopsist0
- Treatment
- exogenous Glue1
- Outcome
- Cd-induced chlorosise4
- Direction
- rescuede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in Arabidopsis”
e1“the exogenous Glu improved root and shoot growth”
e4“rescued Cd-induced chlorosis”
Claim · model-written summary
Glucose increased the amount of cadmium retained in Arabidopsis roots
- Taxon
- ArabidopsisArabidopsist0
- Treatment
- Glucosee5
- Outcome
- Cd retained in the rootse5
- Direction
- increasede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in Arabidopsis”
e5“Glucose increased Cd retained in the roots”
Claim · model-written summary
Glucose significantly reduced translocation of cadmium from root to shoot in Arabidopsis
- Taxon
- ArabidopsisArabidopsist0
- Treatment
- Glucosee5
- Outcome
- translocation from root to shoote6
- Direction
- reducinge6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in Arabidopsis”
e5“Glucose increased Cd retained in the roots”
e6“reducing its translocation from root to shoot significantly”
Claim · model-written summary
Most cadmium retained in Arabidopsis roots was found in the hemicellulose 1 fraction
- Taxon
- ArabidopsisArabidopsist0
- Compound
- hemicellulose 1e7
- Outcome
- Cd retained in the rootse7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in Arabidopsis”
e7“The most Cd retained in the roots was found in the hemicellulose 1”
Claim · model-written summary
Glucose combined with cadmium did not change pectin content or its cadmium-binding capacity in Arabidopsis
- Taxon
- ArabidopsisArabidopsist0
- Treatment
- Glucose combined with Cde1
- Outcome
- content of pectin and its binding capacity of Cde1
- Direction
- did not affecte1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in Arabidopsis”
e1“Glucose combined with Cd （Glu t Cd） treatment did not affect the content of pectin and its binding capacity of Cd”
Claim · model-written summary
Glucose combined with cadmium significantly increased hemicellulose 1 content and the amount of cadmium retained in it in Arabidopsis
- Taxon
- ArabidopsisArabidopsist0
- Treatment
- Glucose combined with Cde1
- Outcome
- the content of hemicelluloses 1 and the amount of Cd retained in ite2
- Direction
- increasede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in Arabidopsis”
e1“Glucose combined with Cd （Glu t Cd） treatment did not affect the content of pectin and its binding capacity of Cd”
e2“it increased the content of hemicelluloses 1 and the amount of Cd retained in it significantly”
Claim · model-written summary
Glu t Cd treatment compartmented more cadmium into vacuoles than cadmium treatment alone in Arabidopsis
- Taxon
- ArabidopsisArabidopsist0
- Treatment
- Glu t Cd treatmente1
- Outcome
- compartmented into vacuolese1
- Direction
- moree1
- Comparator
- Cd treatment alonee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in Arabidopsis”
e1“more Cd was compartmented into vacuoles in Glu t Cd treatment compared with Cd treatment alone”
Claim · model-written summary
Glu t Cd treatment significantly upregulated expression of tonoplast-localized metal transporter genes in Arabidopsis
- Taxon
- ArabidopsisArabidopsist0
- Treatment
- Glu t Cd treatmente1
- Gene
- tonoplast-localized metal transporter genese2
- Outcome
- expressione2
- Direction
- upregulatione2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in Arabidopsis”
e1“more Cd was compartmented into vacuoles in Glu t Cd treatment compared with Cd treatment alone”
e2“significant upregulation of the expression of tonoplast-localized metal transporter genes”
Claim · model-written summary
Compartmentation of cadmium into vacuoles contributes to glucose-alleviated cadmium toxicity in Arabidopsis
- Taxon
- ArabidopsisArabidopsist0
- Outcome
- Cd toxicitye1
- Qualifier
- com-partmentation of Cd into vacuolese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in Arabidopsis”
e1“com-partmentation of Cd into vacuoles also contributes to the Glu-alleviated Cd toxicity”
Claim · model-written summary
Glucose alleviates cadmium toxicity through increased cadmium fixation in the root cell wall and sequestration into vacuoles in Arabidopsis
- Taxon
- ArabidopsisArabidopsist0
- Outcome
- Cd toxicitye1
- Qualifier
- increas-ing Cd fixation in the root cell wall and sequestration into the vacuolese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in Arabidopsis”
e1“Glu-alleviated Cd toxicity is mediated through increas-ing Cd fixation in the root cell wall and sequestration into the vacuoles”
The same questions in other papers
cadmium atom · molecular: metabolites · ArabidopsisPositive and negative results
2 in the opposite direction
- no effect
- negative
glucose · molecular: metabolites · ArabidopsisPositive and negative results
1 paper in the same direction as this paper · 4 in the opposite direction · 1 reporting no difference from an alternative
- negative
- no effect
- negative
3 papers more in this group
See all 7 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.