Abstract
The regulation of proline accumulation in seedlings of rice (Oryza sativa L. cv. Badami) was investigated. The increasing concentration of NaCl from 0.5 to 2.5% progressively increased the proline content in rice. Proline accumulation caused by NaCl was related to protein proteolysis, an increase in OAT, P5CS, PSCR activity, a decrease in PDH activity. The maximum increase in proline content was recorded at 2.5% NaCl concentration as compared to control and other concentrations of NaCl. The highest significant activity of proline synthesizing enzymes, Delta1-Pyrrolline-5-carboxylate synthetase, Delta1-Pyrrolline-5-carboxylate reductase and Ornithine-delta-aminotransferase with a lowest activity of proline hydrolysis enzymes; Proline dehydrogenase were also recorded at 2.5% salinity over control and other concentrations of NaCl with a in-significant increase in the activity of Delta1-Pyrrolline-5-carboxylate synthetase and Ornithine-delta-aminotransferase at 0.5 % concentration of NaCl over control. Externally the addition of 300mg MnCl2, 220 ml(-1) 1/2 strength Hoagland solution, having 1% NaCl, was seen to increase a 893.9% in proline content of this variety as compared to control.
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Claims 9
Claim · model-written summary
Increasing NaCl concentration progressively increased proline content.
- Taxon
- rice
Oryza sativae0 - Treatment
- NaCl from 0.5 to 2.5%e0
- Outcome
- proline contente0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The increasing concentration of NaCl from 0.5 to 2.5% progressively increased the proline content in rice”
Claim · model-written summary
NaCl-related proline accumulation was associated with protein proteolysis.
- Taxon
- Oryza sativaOryza sativat0
- Treatment
- NaCle0
- Outcome
- Proline accumulatione0
- Qualifier
- protein proteolysise0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Proline accumulation caused by NaCl was related to protein proteolysis”
t0“Oryza sativa”
Claim · model-written summary
NaCl-related proline accumulation was associated with increased OAT, P5CS and PSCR activity.
- Taxon
- Oryza sativaOryza sativat0
- Gene
- OAT, P5CS, PSCRe0
- Outcome
- OAT, P5CS, PSCR activitye0
- Direction
- increasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Proline accumulation caused by NaCl was related to protein proteolysis, an increase in OAT, P5CS, PSCR activity”
t0“Oryza sativa”
Claim · model-written summary
NaCl-related proline accumulation was associated with decreased PDH activity.
- Taxon
- Oryza sativaOryza sativat0
- Gene
- PDHe0
- Outcome
- PDH activitye0
- Direction
- decreasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a decrease in PDH activity”
t0“Oryza sativa”
Claim · model-written summary
Proline content rose most at 2.5% NaCl versus control and other concentrations.
- Taxon
- Oryza sativaOryza sativat0
- Treatment
- 2.5% NaCl concentratione0
- Outcome
- proline contente0
- Direction
- maximum increasee0
- Comparator
- control and other concentrations of NaCle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The maximum increase in proline content was recorded at 2.5% NaCl concentration as compared to control and other concentrations of NaCl”
t0“Oryza sativa”
Claim · model-written summary
Proline synthesis enzymes had highest significant activity at 2.5% salinity.
- Taxon
- Oryza sativaOryza sativat0
- Treatment
- 2.5% salinitye0
- Gene
- Delta1-Pyrrolline-5-carboxylate synthetase, Delta1-Pyrrolline-5-carboxylate reductase and Ornithine-delta-aminotransferasee0
- Outcome
- activity of proline synthesizing enzymese0
- Direction
- higheste0
- Comparator
- control and other concentrations of NaCle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The highest significant activity of proline synthesizing enzymes, Delta1-Pyrrolline-5-carboxylate synthetase, Delta1-Pyrrolline-5-carboxylate reductase and Ornithine-delta-aminotransferase with a lowest activity of proline hydrolysis enzymes; Proline dehydrogenase were also recorded at 2.5% salinity over control and other concentrations of NaCl”
t0“Oryza sativa”
Claim · model-written summary
Proline dehydrogenase activity was lowest at 2.5% salinity.
- Taxon
- Oryza sativaOryza sativat0
- Treatment
- 2.5% salinitye0
- Gene
- Proline dehydrogenasee0
- Outcome
- activity of proline hydrolysis enzymese0
- Direction
- loweste0
- Comparator
- control and other concentrations of NaCle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a lowest activity of proline hydrolysis enzymes; Proline dehydrogenase were also recorded at 2.5% salinity over control and other concentrations of NaCl”
t0“Oryza sativa”
Claim · model-written summary
P5CS and OAT activity increased nonsignificantly at 0.5% NaCl.
- Taxon
- Oryza sativaOryza sativat0
- Treatment
- 0.5 % concentration of NaCle0
- Outcome
- activity of Delta1-Pyrrolline-5-carboxylate synthetase and Ornithine-delta-aminotransferasee0
- Direction
- increasee0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in-significant increase in the activity of Delta1-Pyrrolline-5-carboxylate synthetase and Ornithine-delta-aminotransferase at 0.5 % concentration of NaCl over control”
t0“Oryza sativa”
Claim · model-written summary
MnCl2 addition increased proline content by 893.9% versus control.
- Taxon
- Oryza sativaOryza sativat0
- Treatment
- 300mg MnCl2, 220 ml(-1) 1/2 strength Hoagland solution, having 1% NaCle0
- Outcome
- proline contente0
- Direction
- increasee0
- Value
- 893.9%e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“addition of 300mg MnCl2, 220 ml(-1) 1/2 strength Hoagland solution, having 1% NaCl, was seen to increase a 893.9% in proline content of this variety as compared to control”
t0“Oryza sativa”
The same questions in other papers
sodium chloride · physiology: osmolytes · Oryza sativa (rice)Positive and negative results
8 papers in the same direction as this paper · 2 in the opposite direction
- negative
- negative
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7 papers more in this group
See all 11 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.