Abstract
In this work, the effects of NaCl (0, 50, 100, and 150 mM), proline (0, 5 and 10 mM) and NaCl + proline in combinations on activity of polyphenol oxidase (PPO; E.C. 1.10.3.1) and soluble protein content have been investigated in the root, stem and leaf tissues of bean (Phaseolus vulgaris L.) seedlings grown in embryo culture. PPO activities were higher in all the tissues treated with NaCl, proline and NaCl + proline combinations those that of the control tissues. The protein content was very high in tissues exposed to proline and NaCl + proline combination, but NaCl alone decreased protein contents in root and leaf tissues. The results suggest that proline may play a role as an enzyme-stabilizing agent in salt stress.
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Claims 7
Claim · model-written summary
NaCl increased PPO activity in bean seedling tissues relative to controls.
Verbatim
e0“PPO activities were higher in all the tissues treated with NaCl, proline and NaCl + proline combinations those that of the control tissues.”
e1“bean (Phaseolus vulgaris L.) seedlings”
Claim · model-written summary
Proline increased PPO activity in bean seedling tissues relative to controls.
Verbatim
e0“PPO activities were higher in all the tissues treated with NaCl, proline and NaCl + proline combinations those that of the control tissues.”
e1“bean (Phaseolus vulgaris L.) seedlings”
Claim · model-written summary
Combined NaCl and proline increased PPO activity in bean seedling tissues relative to controls.
Verbatim
e0“PPO activities were higher in all the tissues treated with NaCl, proline and NaCl + proline combinations those that of the control tissues.”
e1“bean (Phaseolus vulgaris L.) seedlings”
Claim · model-written summary
Proline produced very high protein content in bean seedling tissues.
Not reportedComparator
Verbatim
e0“The protein content was very high in tissues exposed to proline and NaCl + proline combination”
e1“bean (Phaseolus vulgaris L.) seedlings”
Claim · model-written summary
Combined NaCl and proline produced very high protein content in bean seedling tissues.
Not reportedComparator
Verbatim
e0“The protein content was very high in tissues exposed to proline and NaCl + proline combination”
e1“bean (Phaseolus vulgaris L.) seedlings”
Claim · model-written summary
NaCl alone decreased protein content in bean seedling roots and leaves.
- Taxon
- beane1
- Organ / stage
- root and leaf tissuese0
- Treatment
- NaCl alonee0
- Outcome
- protein contentse0
- Direction
- decreasede0
Not reportedComparator
Verbatim
e0“NaCl alone decreased protein contents in root and leaf tissues.”
e1“bean (Phaseolus vulgaris L.) seedlings”
Claim · model-written summary
The authors suggest proline may stabilize enzymes during salt stress in bean seedlings.
Verbatim
e0“The results suggest that proline may play a role as an enzyme-stabilizing agent in salt stress.”
e1“bean (Phaseolus vulgaris L.) seedlings”
The same questions in other papers
sodium chloride · quality: protein · Phaseolus vulgaris (common bean)Results agree
2 papers in the same direction as this paper
- negative
- 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.