Abstract
Effects of iso-osmotic levels of salts (NaCl, CaCl2, Na2SO4) and PEG-6000 on the activity of hydrolytic and nitrogen assimilatory enzymes in pea embryo axis and coty ledon were studied. The activity of nitrate reductase and nitrite reductase in embryo axis and cotyledon and the activity of protease and α-amylase in cotyledon decreased with decreasing medium osmotic potential as compared to control at all the stages of seedling growth. The activity of protease and amylase increases with increasing levels of stress in embryo axis. Sodium chloride induced, stress had more deleterious effects on the activity of nitrate reductase, nitrite reductase and αamylase followed by other salts and PEG-6000. On the other hand, CaCl2 induced salt stress was more depressive for protease activity. The maximum increase in the activity of protease and amylase was observed in embryo axis at higher concentration of salts and PEG-6000.
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Claims 6
Claim · model-written summary
Nitrate reductase and nitrite reductase activity in embryo axis and cotyledon decreased with decreasing osmotic potential compared with control.
- Taxon
- pea
Lathyrus oleraceust0 - Organ / stage
- embryo axis and cotyledone0
- Treatment
- decreasing medium osmotic potentiale0
- Outcome
- activity of nitrate reductase and nitrite reductasee0
- Direction
- decreasede0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“germinating pea seeds”
e0“The activity of nitrate reductase and nitrite reductase in embryo axis and cotyledon and the activity of protease and α-amylase in cotyledon decreased with decreasing medium osmotic potential as compared to control at all the stages of seedling growth”
Claim · model-written summary
Protease and α-amylase activity in cotyledon decreased with decreasing osmotic potential compared with control.
- Taxon
- peaLathyrus oleraceust0
- Organ / stage
- cotyledone0
- Treatment
- decreasing medium osmotic potentiale0
- Outcome
- activity of protease and α-amylasee0
- Direction
- decreasede0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“germinating pea seeds”
e0“The activity of nitrate reductase and nitrite reductase in embryo axis and cotyledon and the activity of protease and α-amylase in cotyledon decreased with decreasing medium osmotic potential as compared to control at all the stages of seedling growth”
Claim · model-written summary
Protease and amylase activity increased with increasing stress levels in embryo axis.
- Taxon
- peaLathyrus oleraceust0
- Organ / stage
- embryo axise1
- Treatment
- increasing levels of stresse1
- Outcome
- activity of protease and amylasee1
- Direction
- increasese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“germinating pea seeds”
e1“The activity of protease and amylase increases with increasing levels of stress in embryo axis”
Claim · model-written summary
Sodium chloride had more deleterious effects than other salts and PEG-6000 on nitrate reductase, nitrite reductase and α-amylase activity in pea seeds.
- Taxon
- peaLathyrus oleraceust0
- Treatment
- Sodium chloridee2
- Outcome
- activity of nitrate reductase, nitrite reductase and αamylasee2
- Direction
- more deleteriouse2
- Comparator
- other salts and PEG-6000e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“germinating pea seeds”
e2“Sodium chloride induced, stress had more deleterious effects on the activity of nitrate reductase, nitrite reductase and αamylase followed by other salts and PEG-6000”
Claim · model-written summary
CaCl2-induced salt stress was more depressive for protease activity in pea seeds.
- Taxon
- peaLathyrus oleraceust0
- Treatment
- CaCl2 induced salt stresse3
- Outcome
- protease activitye3
- Direction
- more depressivee3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“germinating pea seeds”
e3“On the other hand, CaCl2 induced salt stress was more depressive for protease activity”
Claim · model-written summary
The maximum increase in protease and amylase activity was observed in embryo axis at higher salt and PEG-6000 concentrations.
- Taxon
- peaLathyrus oleraceust0
- Organ / stage
- embryo axise4
- Treatment
- higher concentration of salts and PEG-6000e4
- Outcome
- activity of protease and amylasee4
- Direction
- maximum increasee4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“germinating pea seeds”
e4“The maximum increase in the activity of protease and amylase was observed in embryo axis at higher concentration of salts and PEG-6000”
The same questions in other papers
sodium chloride · physiology: enzyme activity · Lathyrus oleraceus (pea)Positive and negative results
1 in the opposite direction
- positive
in vitro · physiology: enzyme activity · Lathyrus oleraceus (pea)Results agree
3 papers in the same direction as this paper
- negative
- no effect
- negative
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.