Abstract
The effects of differemt S and methionine regimes on growth of developing Vicia faba cotyledons in vitro were studied. Basal medium (containing adequate S) supplemented with 0·5 mM methionine marginally increased d. wt and uncombined amino acid accumulation but adding 1–5 mM methionine inhibited both growth and protein accumulation. Sulphur deficiency reduced both d. wt and protein accumulation but incresed accumulation of uncombined amino acids. Adding 1 mM methionine to the S-deficient medium restored growth, normal protein and uncombined amino acid acnunulation. High sulphate medium (7.5 mM ) decreased d. wt, protein and uncombined amino acid accumulation. High sulphate medium or basal medium+methionine (0·5 mM) changed the proportions of the seed proteins; legumin increased but vicilin decreased. Sulphur deficiency caused a relative increase in vicilin but a decrease in legumin. The different S and methionine regimes markedly changed the composition of the uncombined amino acids, especially those derived from aspartic acid but not the composition of the protein fraction, except during S deficiency. The data presented indicates a flexibility in the storage protein composition of developing cotyledons grown in vitro, with the S and methionine status having a regulatory effect.
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Claims 14
Claim · model-written summary
Supplementing basal medium with 0·5 mM methionine marginally increased cotyledon dry weight and uncombined amino acid accumulation.
- Taxon
- Vicia faba L.
Vicia fabat0 - Organ / stage
- cotyledonse1
- Treatment
- 0·5 mM methioninee0
- Outcome
- d. wt and uncombined amino acid accumulatione0
- Direction
- increasede0
- Comparator
- Basal mediume0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Basal medium (containing adequate S) supplemented with 0·5 mM methionine marginally increased d. wt and uncombined amino acid accumulation”
t0“Field Bean (Vicia faba L.)”
e1“developing Vicia faba cotyledons in vitro”
Claim · model-written summary
Adding 1–5 mM methionine inhibited cotyledon growth and protein accumulation.
- Taxon
- Vicia faba L.Vicia fabat0
- Treatment
- 1–5 mM methioninee0
- Outcome
- growth and protein accumulatione0
- Direction
- inhibitede0
- Comparator
- Basal mediume1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“adding 1–5 mM methionine inhibited both growth and protein accumulation”
t0“Field Bean (Vicia faba L.)”
e1“Basal medium (containing adequate S) supplemented with 0·5 mM methionine marginally increased d. wt and uncombined amino acid accumulation”
Claim · model-written summary
Sulphur deficiency reduced cotyledon dry weight and protein accumulation.
- Taxon
- Vicia faba L.Vicia fabat0
- Treatment
- Sulphur deficiencye0
- Outcome
- d. wt and protein accumulatione0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sulphur deficiency reduced both d. wt and protein accumulation but incresed accumulation of uncombined amino acids”
t0“Field Bean (Vicia faba L.)”
Claim · model-written summary
Sulphur deficiency increased uncombined amino acid accumulation.
- Taxon
- Vicia faba L.Vicia fabat0
- Treatment
- Sulphur deficiencye0
- Outcome
- accumulation of uncombined amino acidse0
- Direction
- incresede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sulphur deficiency reduced both d. wt and protein accumulation but incresed accumulation of uncombined amino acids”
t0“Field Bean (Vicia faba L.)”
Claim · model-written summary
Adding 1 mM methionine to sulphur-deficient medium restored growth and normal protein and uncombined amino acid accumulation.
- Taxon
- Vicia faba L.Vicia fabat0
- Treatment
- 1 mM methioninee0
- Outcome
- growth, normal protein and uncombined amino acid acnunulatione0
- Direction
- restorede0
- Comparator
- S-deficient mediume0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Adding 1 mM methionine to the S-deficient medium restored growth, normal protein and uncombined amino acid acnunulation”
t0“Field Bean (Vicia faba L.)”
Claim · model-written summary
High sulphate medium decreased dry weight, protein and uncombined amino acid accumulation.
- Taxon
- Vicia faba L.Vicia fabat0
- Treatment
- High sulphate medium (7.5 mM )e0
- Outcome
- d. wt, protein and uncombined amino acid accumulatione0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“High sulphate medium (7.5 mM ) decreased d. wt, protein and uncombined amino acid accumulation”
t0“Field Bean (Vicia faba L.)”
Claim · model-written summary
High sulphate medium increased legumin and decreased vicilin proportions.
- Taxon
- Vicia faba L.Vicia fabat0
- Treatment
- High sulphate mediume0
- Outcome
- legumine0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“High sulphate medium or basal medium+methionine (0·5 mM) changed the proportions of the seed proteins; legumin increased but vicilin decreased”
t0“Field Bean (Vicia faba L.)”
Claim · model-written summary
Basal medium plus 0·5 mM methionine increased legumin proportion.
- Taxon
- Vicia faba L.Vicia fabat0
- Treatment
- basal medium+methionine (0·5 mM)e0
- Outcome
- legumine0
- Direction
- increasede0
- Comparator
- basal mediume0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“High sulphate medium or basal medium+methionine (0·5 mM) changed the proportions of the seed proteins; legumin increased but vicilin decreased”
t0“Field Bean (Vicia faba L.)”
Claim · model-written summary
High sulphate medium decreased vicilin proportion.
- Taxon
- Vicia faba L.Vicia fabat0
- Treatment
- High sulphate mediume0
- Outcome
- viciline0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“High sulphate medium or basal medium+methionine (0·5 mM) changed the proportions of the seed proteins; legumin increased but vicilin decreased”
t0“Field Bean (Vicia faba L.)”
Claim · model-written summary
Basal medium plus 0·5 mM methionine decreased vicilin proportion.
- Taxon
- Vicia faba L.Vicia fabat0
- Treatment
- basal medium+methionine (0·5 mM)e0
- Outcome
- viciline0
- Direction
- decreasede0
- Comparator
- basal mediume0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“High sulphate medium or basal medium+methionine (0·5 mM) changed the proportions of the seed proteins; legumin increased but vicilin decreased”
t0“Field Bean (Vicia faba L.)”
Claim · model-written summary
Sulphur deficiency relatively increased vicilin proportion.
- Taxon
- Vicia faba L.Vicia fabat0
- Treatment
- Sulphur deficiencye0
- Outcome
- viciline0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sulphur deficiency caused a relative increase in vicilin but a decrease in legumin”
t0“Field Bean (Vicia faba L.)”
Claim · model-written summary
Sulphur deficiency decreased legumin proportion.
- Taxon
- Vicia faba L.Vicia fabat0
- Treatment
- Sulphur deficiencye0
- Outcome
- legumine0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sulphur deficiency caused a relative increase in vicilin but a decrease in legumin”
t0“Field Bean (Vicia faba L.)”
Claim · model-written summary
Sulphur and methionine regimes markedly changed free amino acid composition, especially aspartic-acid-derived amino acids.
- Taxon
- Vicia faba L.Vicia fabat0
- Treatment
- different S and methionine regimese0
- Outcome
- composition of the uncombined amino acidse0
- Qualifier
- especially those derived from aspartic acide0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The different S and methionine regimes markedly changed the composition of the uncombined amino acids, especially those derived from aspartic acid”
t0“Field Bean (Vicia faba L.)”
Claim · model-written summary
Protein fraction composition was unchanged except under sulphur deficiency.
- Taxon
- Vicia faba L.Vicia fabat0
- Treatment
- different S and methionine regimese1
- Outcome
- composition of the protein fractione0
- Direction
- note0
- Qualifier
- except during S deficiencye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“but not the composition of the protein fraction, except during S deficiency”
t0“Field Bean (Vicia faba L.)”
e1“The different S and methionine regimes markedly changed the composition of the uncombined amino acids, especially those derived from aspartic acid”
The same questions in other papers
methionine · quality: protein · Vicia faba (faba bean)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- negative
- positive
sulfur atom · molecular: metabolites · Vicia faba (faba bean)Results agree
1 paper in the same direction as this paper
This paper is about lacking the nutrient, so it counts the other way round here.
- 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.