Paper · 2008 · Plant Soil and Environment

Effects of salt stress on growth, antioxidant enzyme and phenylalanine ammonia-lyase activities in Jatropha curcas L. seedlings

S. Gao; C. Ouyang; S. Wang; et al.

14
claims
29
verbatim quotes
173
citations
2
research areas
✓
Open access · cc-by-nc

Abstract

The effects of increasing NaCl concentrations on biomass, superoxide dismutase (SOD), peroxidase (POD), catalase (CAT), and phenylalanine ammonia-lyase (PAL) in Jatropha curcas L. seedlings were investigated. The fresh weights of cotyledons and radicles with increasing NaCl concentrations decreased progressively, and the fresh weight of hypocotyls reached the lowest level at NaCl concentration of 150 mmol and then increased. SOD activity in the cotyledons, hypocotyls and radicles increased gradually up to NaCl concentrations of 150, 200 and 150 mmol, respectively. The highest POD activities in the cotyledons, hypocotyls and radicles were observed at NaCl concentrations of 150, 200 and 150 mmol, respectively. CAT activity in the cotyledons, hypocotyls and radicles enhanced gradually up to 100, 200 and 150 mmol NaCl concentrations, respectively. Increased PAL activity in the hypocotyls and radicles was linearly and positively correlated with increasing NaCl concentrations, but the peak activity in the cotyledons was observed at NaCl concentration of 150 mmol. Electrophoresis analysis suggested that different patterns in SOD and POD isoenzymes depend on NaCl concentrations and organ type, and the staining intensities of these isoforms are consistent with the changes of enzyme activity assayed in solutions.

Abstract from the paper’s OpenAlex record; open copy licensed cc-by-nc. Read at the source ↗

The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.

Claims 14

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Fresh weights of cotyledons and radicles decreased progressively with increasing NaCl concentrations.

Taxon
Jatropha curcas L.Jatropha curcast0
Organ / stage
cotyledons and radiclese0
Treatment
increasing NaCl concentrationse0
Outcome
fresh weights of cotyledons and radiclese0
Direction
decreasede0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Jatropha curcas
Jatropha curcas · Taxon · picture from its Wikimedia Commons categoryAdityamadhav83 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Effects of salt stress on growth, antioxidant enzyme and phenylalanine ammonia-lyase activities in Jatropha curcas L. seedlings”

✓ located verbatim in the source · title, characters 0–127 · show in text ↑
e0

“The fresh weights of cotyledons and radicles with increasing NaCl concentrations decreased progressively”

✓ located verbatim in the source · abstract, characters 209–313 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Fresh weight of hypocotyls reached its lowest level at 150 mmol NaCl and then increased.

Taxon
Jatropha curcas L.Jatropha curcast0
Organ / stage
hypocotylse1
Treatment
NaCl concentration of 150 mmole1
Outcome
the fresh weight of hypocotylse1
Direction
reached the lowest levele1

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Jatropha curcas
Jatropha curcas · Taxon · picture from its Wikimedia Commons categoryAdityamadhav83 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Effects of salt stress on growth, antioxidant enzyme and phenylalanine ammonia-lyase activities in Jatropha curcas L. seedlings”

✓ located verbatim in the source · title, characters 0–127 · show in text ↑
e1

“the fresh weight of hypocotyls reached the lowest level at NaCl concentration of 150 mmol and then increased”

✓ located verbatim in the source · abstract, characters 319–427 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

SOD activity in cotyledons increased gradually up to 150 mmol NaCl.

Taxon
Jatropha curcas L.Jatropha curcast0
Organ / stage
cotyledonse2
Treatment
NaCle2
Gene
SODe2
Outcome
SOD activitye2
Direction
increased graduallye2
Value
150e2

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Jatropha curcas
Jatropha curcas · Taxon · picture from its Wikimedia Commons categoryAdityamadhav83 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Effects of salt stress on growth, antioxidant enzyme and phenylalanine ammonia-lyase activities in Jatropha curcas L. seedlings”

✓ located verbatim in the source · title, characters 0–127 · show in text ↑
e2

“SOD activity in the cotyledons, hypocotyls and radicles increased gradually up to NaCl concentrations of 150, 200 and 150 mmol, respectively”

✓ located verbatim in the source · abstract, characters 429–569 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

SOD activity in hypocotyls increased gradually up to 200 mmol NaCl.

Taxon
Jatropha curcas L.Jatropha curcast0
Organ / stage
hypocotylse2
Treatment
NaCle2
Gene
SODe2
Outcome
SOD activitye2
Direction
increased graduallye2
Value
200e2

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Jatropha curcas
Jatropha curcas · Taxon · picture from its Wikimedia Commons categoryAdityamadhav83 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Effects of salt stress on growth, antioxidant enzyme and phenylalanine ammonia-lyase activities in Jatropha curcas L. seedlings”

✓ located verbatim in the source · title, characters 0–127 · show in text ↑
e2

“SOD activity in the cotyledons, hypocotyls and radicles increased gradually up to NaCl concentrations of 150, 200 and 150 mmol, respectively”

✓ located verbatim in the source · abstract, characters 429–569 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

SOD activity in radicles increased gradually up to 150 mmol NaCl.

Taxon
Jatropha curcas L.Jatropha curcast0
Organ / stage
radiclese2
Treatment
NaCle2
Gene
SODe2
Outcome
SOD activitye2
Direction
increased graduallye2
Value
150e2

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Jatropha curcas
Jatropha curcas · Taxon · picture from its Wikimedia Commons categoryAdityamadhav83 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Effects of salt stress on growth, antioxidant enzyme and phenylalanine ammonia-lyase activities in Jatropha curcas L. seedlings”

✓ located verbatim in the source · title, characters 0–127 · show in text ↑
e2

“SOD activity in the cotyledons, hypocotyls and radicles increased gradually up to NaCl concentrations of 150, 200 and 150 mmol, respectively”

✓ located verbatim in the source · abstract, characters 429–569 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

POD activity in cotyledons was highest at 150 mmol NaCl.

Taxon
Jatropha curcas L.Jatropha curcast0
Organ / stage
cotyledonse3
Treatment
NaCle3
Gene
PODe3
Outcome
POD activitiese3
Direction
higheste3
Value
150e3

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Jatropha curcas
Jatropha curcas · Taxon · picture from its Wikimedia Commons categoryAdityamadhav83 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Effects of salt stress on growth, antioxidant enzyme and phenylalanine ammonia-lyase activities in Jatropha curcas L. seedlings”

✓ located verbatim in the source · title, characters 0–127 · show in text ↑
e3

“The highest POD activities in the cotyledons, hypocotyls and radicles were observed at NaCl concentrations of 150, 200 and 150 mmol, respectively”

✓ located verbatim in the source · abstract, characters 571–716 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

POD activity in hypocotyls was highest at 200 mmol NaCl.

Taxon
Jatropha curcas L.Jatropha curcast0
Organ / stage
hypocotylse3
Treatment
NaCle3
Gene
PODe3
Outcome
POD activitiese3
Direction
higheste3
Value
200e3

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Jatropha curcas
Jatropha curcas · Taxon · picture from its Wikimedia Commons categoryAdityamadhav83 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Effects of salt stress on growth, antioxidant enzyme and phenylalanine ammonia-lyase activities in Jatropha curcas L. seedlings”

✓ located verbatim in the source · title, characters 0–127 · show in text ↑
e3

“The highest POD activities in the cotyledons, hypocotyls and radicles were observed at NaCl concentrations of 150, 200 and 150 mmol, respectively”

✓ located verbatim in the source · abstract, characters 571–716 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

POD activity in radicles was highest at 150 mmol NaCl.

Taxon
Jatropha curcas L.Jatropha curcast0
Organ / stage
radiclese3
Treatment
NaCle3
Gene
PODe3
Outcome
POD activitiese3
Direction
higheste3
Value
150e3

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Jatropha curcas
Jatropha curcas · Taxon · picture from its Wikimedia Commons categoryAdityamadhav83 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Effects of salt stress on growth, antioxidant enzyme and phenylalanine ammonia-lyase activities in Jatropha curcas L. seedlings”

✓ located verbatim in the source · title, characters 0–127 · show in text ↑
e3

“The highest POD activities in the cotyledons, hypocotyls and radicles were observed at NaCl concentrations of 150, 200 and 150 mmol, respectively”

✓ located verbatim in the source · abstract, characters 571–716 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

CAT activity in cotyledons increased gradually up to 100 mmol NaCl.

Taxon
Jatropha curcas L.Jatropha curcast0
Organ / stage
cotyledonse4
Treatment
NaCle4
Gene
CATe4
Outcome
CAT activitye4
Direction
enhanced graduallye4
Value
100e4

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Jatropha curcas
Jatropha curcas · Taxon · picture from its Wikimedia Commons categoryAdityamadhav83 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Effects of salt stress on growth, antioxidant enzyme and phenylalanine ammonia-lyase activities in Jatropha curcas L. seedlings”

✓ located verbatim in the source · title, characters 0–127 · show in text ↑
e4

“CAT activity in the cotyledons, hypocotyls and radicles enhanced gradually up to 100, 200 and 150 mmol NaCl concentrations, respectively”

✓ located verbatim in the source · abstract, characters 718–854 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

CAT activity in hypocotyls increased gradually up to 200 mmol NaCl.

Taxon
Jatropha curcas L.Jatropha curcast0
Organ / stage
hypocotylse4
Treatment
NaCle4
Gene
CATe4
Outcome
CAT activitye4
Direction
enhanced graduallye4
Value
200e4

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Jatropha curcas
Jatropha curcas · Taxon · picture from its Wikimedia Commons categoryAdityamadhav83 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Effects of salt stress on growth, antioxidant enzyme and phenylalanine ammonia-lyase activities in Jatropha curcas L. seedlings”

✓ located verbatim in the source · title, characters 0–127 · show in text ↑
e4

“CAT activity in the cotyledons, hypocotyls and radicles enhanced gradually up to 100, 200 and 150 mmol NaCl concentrations, respectively”

✓ located verbatim in the source · abstract, characters 718–854 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

CAT activity in radicles increased gradually up to 150 mmol NaCl.

Taxon
Jatropha curcas L.Jatropha curcast0
Organ / stage
radiclese4
Treatment
NaCle4
Gene
CATe4
Outcome
CAT activitye4
Direction
enhanced graduallye4
Value
150e4

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Jatropha curcas
Jatropha curcas · Taxon · picture from its Wikimedia Commons categoryAdityamadhav83 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Effects of salt stress on growth, antioxidant enzyme and phenylalanine ammonia-lyase activities in Jatropha curcas L. seedlings”

✓ located verbatim in the source · title, characters 0–127 · show in text ↑
e4

“CAT activity in the cotyledons, hypocotyls and radicles enhanced gradually up to 100, 200 and 150 mmol NaCl concentrations, respectively”

✓ located verbatim in the source · abstract, characters 718–854 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

PAL activity in hypocotyls and radicles was linearly and positively correlated with increasing NaCl concentrations.

Taxon
Jatropha curcas L.Jatropha curcast0
Organ / stage
hypocotyls and radiclese5
Treatment
increasing NaCl concentrationse5
Gene
PALe5
Outcome
PAL activitye5
Direction
positively correlatede5

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Jatropha curcas
Jatropha curcas · Taxon · picture from its Wikimedia Commons categoryAdityamadhav83 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Effects of salt stress on growth, antioxidant enzyme and phenylalanine ammonia-lyase activities in Jatropha curcas L. seedlings”

✓ located verbatim in the source · title, characters 0–127 · show in text ↑
e5

“Increased PAL activity in the hypocotyls and radicles was linearly and positively correlated with increasing NaCl concentrations”

✓ located verbatim in the source · abstract, characters 856–984 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

PAL activity peaked in cotyledons at 150 mmol NaCl.

Taxon
Jatropha curcas L.Jatropha curcast0
Organ / stage
cotyledonse6
Gene
PALe5
Outcome
peak activitye6
Value
150 mmole6

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Jatropha curcas
Jatropha curcas · Taxon · picture from its Wikimedia Commons categoryAdityamadhav83 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Effects of salt stress on growth, antioxidant enzyme and phenylalanine ammonia-lyase activities in Jatropha curcas L. seedlings”

✓ located verbatim in the source · title, characters 0–127 · show in text ↑
e5

“Increased PAL activity in the hypocotyls and radicles was linearly and positively correlated with increasing NaCl concentrations”

✓ located verbatim in the source · abstract, characters 856–984 · show in text ↑
e6

“but the peak activity in the cotyledons was observed at NaCl concentration of 150 mmol”

✓ located verbatim in the source · abstract, characters 986–1072 · show in text ↑
Associationauthor interpretationoriginal resultmeasured

Claim · model-written summary

SOD and POD isoenzyme patterns in Jatropha curcas seedlings depend on NaCl concentration and organ type.

Taxon
Jatropha curcas L.Jatropha curcast0
Organ / stage
organ typee7
Treatment
NaCl concentrationse7
Gene
SOD and POD isoenzymese7
Outcome
different patterns in SOD and POD isoenzymese7

Not reportedDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Jatropha curcas
Jatropha curcas · Taxon · picture from its Wikimedia Commons categoryAdityamadhav83 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Effects of salt stress on growth, antioxidant enzyme and phenylalanine ammonia-lyase activities in Jatropha curcas L. seedlings”

✓ located verbatim in the source · title, characters 0–127 · show in text ↑
e7

“Electrophoresis analysis suggested that different patterns in SOD and POD isoenzymes depend on NaCl concentrations and organ type”

✓ located verbatim in the source · abstract, characters 1074–1203 · show in text ↑

sodium chloride · growth · Jatropha curcasResults differ

9 papers: 2 positive, 7 negative or no effect

6 papers in the same direction as this paper · 2 in the opposite direction

  1. positive
  2. positive
  3. negative

5 papers more in this group

See all 9 papers →

sodium chloride · physiology: antioxidant enzymes · Jatropha curcasResults agree

2 papers: 2 positive, 0 negative or no effect

1 paper in the same direction as this paper

  1. positive
See all 2 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.