Abstract
Abstract In the presence of abscisic acid (ABA), contents of glucose and fructose decreased in carrot embryoids, whereas umbelliferose increased during dehydration. The acquisition of desiccation tolerance was tested by scoring germinated embryoids. It did not keep pace with the changes in soluble carbohydrate contents during development, which suggests that in these somatic embryoids di- and oligosaccharides are not the determining factors for anhydrobiosis. However, on slow dehydration, umbelliferose increased, while sucrose decreased and the monosaccharides declined completely. These changes were positively correlated with increased desiccation tolerance. A similar analysis of slowly dried, ABA-treated alfalfa embryoids showed that stachyose and sucrose increased and the monosaccharides declined with the acquisition of desiccation tolerance. These data support the contention that carbohydrates are involved in anhydrobiosis.
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Claims 9
Claim · model-written summary
With ABA, glucose and fructose content decreased in carrot embryoids.
- Taxon
- carrot
Daucus carotae0 - Organ / stage
- embryoidse0
- Treatment
- abscisic acid (ABA)e0
- Outcome
- contents of glucose and fructosee0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In the presence of abscisic acid (ABA), contents of glucose and fructose decreased in carrot embryoids”
Claim · model-written summary
With ABA, umbelliferose increased during carrot embryoid dehydration.
- Taxon
- carrotDaucus carotat0
- Organ / stage
- embryoidse0
- Treatment
- abscisic acid (ABA)e0
- Outcome
- umbelliferosee0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In the presence of abscisic acid (ABA), contents of glucose and fructose decreased in carrot embryoids, whereas umbelliferose increased during dehydration”
t0“carrot”
Claim · model-written summary
Desiccation tolerance did not track soluble carbohydrate contents during embryoid development.
- Taxon
- carrotDaucus carotat0
- Organ / stage
- embryoidse1
- Outcome
- acquisition of desiccation tolerancee1
- Qualifier
- changes in soluble carbohydrate contents during developmente0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“It did not keep pace with the changes in soluble carbohydrate contents during development”
e1“The acquisition of desiccation tolerance was tested by scoring germinated embryoids”
t0“carrot (Daucus carota L.) and alfalfa (Medicago sativa L.)”
Claim · model-written summary
Slow dehydration increased umbelliferose in carrot embryoids.
- Taxon
- carrotDaucus carotat0
- Treatment
- slow dehydratione0
- Outcome
- umbelliferosee0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“on slow dehydration, umbelliferose increased”
t0“carrot”
Claim · model-written summary
Slow dehydration decreased sucrose in carrot embryoids.
- Taxon
- carrotDaucus carotat0
- Treatment
- slow dehydratione0
- Outcome
- sucrosee0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“on slow dehydration, umbelliferose increased, while sucrose decreased”
t0“carrot”
Claim · model-written summary
Slow dehydration completely reduced monosaccharides in carrot embryoids.
- Taxon
- carrotDaucus carotat0
- Treatment
- slow dehydratione1
- Outcome
- monosaccharidese0
- Direction
- declined completelye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the monosaccharides declined completely”
e1“on slow dehydration”
t0“carrot”
Claim · model-written summary
These carbohydrate changes correlated positively with increased carrot embryoid desiccation tolerance.
- Taxon
- carrotDaucus carotat0
- Outcome
- desiccation tolerancee0
- Direction
- increasede0
- Qualifier
- These changese0
Not reportedOrgan / stage
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“These changes were positively correlated with increased desiccation tolerance”
t0“carrot”
Claim · model-written summary
In slowly dried ABA-treated alfalfa embryoids, stachyose and sucrose increased as desiccation tolerance was acquired.
- Taxon
- alfalfa
Medicago sativae0 - Organ / stage
- embryoidse0
- Treatment
- slowly dried, ABA-treatede0
- Outcome
- stachyose and sucrosee0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“slowly dried, ABA-treated alfalfa embryoids showed that stachyose and sucrose increased and the monosaccharides declined with the acquisition of desiccation tolerance”
Claim · model-written summary
In slowly dried ABA-treated alfalfa embryoids, monosaccharides declined as desiccation tolerance was acquired.
- Taxon
- alfalfaMedicago sativae0
- Organ / stage
- embryoidse0
- Treatment
- slowly dried, ABA-treatede0
- Outcome
- monosaccharidese0
- Direction
- declinede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“slowly dried, ABA-treated alfalfa embryoids showed that stachyose and sucrose increased and the monosaccharides declined with the acquisition of desiccation tolerance”
The same questions in other papers
drought · molecular: metabolites · Daucus carota (carrot)Positive and negative results
1 paper in the same direction as this paper · 2 in the opposite direction
- negative
- negative
- 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.