Abstract
Changes in malondialdehyde (MDA) concentration and antioxidant enzyme activities by Cd and Pb in mustard (Brassica juncea L.) plants at pre-flowering, flowering and post-flowering were investigated. On treatment with Cd, Pb, changes in MDA concentration and antioxidant enzyme activities, namely, superoxide dismutase (SOD, EC 1.15.1.1), catalase (CAT, EC 1.11.1.6), ascorbate peroxidase (APX, EC 1.11.1.11) and glutathione reductase (GR, EC 1.6.4.2) were observed. The lower concentrations of Cd and Pb did not have much impact on lipid peroxidation, but the higher concentrations (250 mg/kg soil Cd and 500 mg/kg soil Pb) proved to be very effective. Catalase activity was increased at lower concentrations and decreased at higher concentrations of Cd and Pb. SOD, APX and GR increases up to 200 mg/kg soil Cd and with Pb 300 mg/kg soil. Cd and Pb accumulate more at 200 mg/kg soil Cd and 300 mg/kg soil Pb in the shoots of B. juncea. This study demonstrated that B. juncea is tolerant to Cd and Pb and mobilizes antioxidant enzymes in order to mitigate heavy metal stress damages.
Abstract from the paper’s OpenAlex record, shown for indexing and research. Copyright remains with the authors or the publisher. 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 9
Claim · model-written summary
Cd and Pb treatment changed MDA concentration and antioxidant enzyme activities in Brassica juncea at pre-flowering, flowering and post-flowering stages.
- Taxon
- Brassica juncea
Brassica junceae1 - Organ / stage
- pre-flowering, flowering and post-floweringe1
- Treatment
- Cd, Pbe2
- Outcome
- changes in MDA concentration and antioxidant enzyme activitiese2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Changes in malondialdehyde (MDA) concentration and antioxidant enzyme activities by Cd and Pb in mustard (Brassica juncea L.) plants at pre-flowering, flowering and post-flowering were investigated”
e2“On treatment with Cd, Pb, changes in MDA concentration and antioxidant enzyme activities, namely, superoxide dismutase (SOD, EC 1.15.1.1), catalase (CAT, EC 1.11.1.6), ascorbate peroxidase (APX, EC 1.11.1.11) and glutathione reductase (GR, EC 1.6.4.2) were observed”
Claim · model-written summary
Lower concentrations of Cd and Pb had no marked impact on lipid peroxidation in Brassica juncea.
- Taxon
- Brassica junceaBrassica junceae1
- Treatment
- lower concentrations of Cd and Pbe3
- Outcome
- lipid peroxidatione3
- Direction
- no_changeinferrede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Changes in malondialdehyde (MDA) concentration and antioxidant enzyme activities by Cd and Pb in mustard (Brassica juncea L.) plants at pre-flowering, flowering and post-flowering were investigated”
e3“The lower concentrations of Cd and Pb did not have much impact on lipid peroxidation, but the higher concentrations (250 mg/kg soil Cd and 500 mg/kg soil Pb) proved to be very effective”
Claim · model-written summary
Higher concentrations of Cd (250 mg/kg soil) and Pb (500 mg/kg soil) were very effective on lipid peroxidation in Brassica juncea.
- Taxon
- Brassica junceaBrassica junceae1
- Treatment
- higher concentrations (250 mg/kg soil Cd and 500 mg/kg soil Pb)e3
- Outcome
- lipid peroxidatione3
- Direction
- increaseinferrede3
- Qualifier
- very effectivee3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Changes in malondialdehyde (MDA) concentration and antioxidant enzyme activities by Cd and Pb in mustard (Brassica juncea L.) plants at pre-flowering, flowering and post-flowering were investigated”
e3“The lower concentrations of Cd and Pb did not have much impact on lipid peroxidation, but the higher concentrations (250 mg/kg soil Cd and 500 mg/kg soil Pb) proved to be very effective”
Claim · model-written summary
Catalase activity increased at lower concentrations of Cd and Pb in Brassica juncea.
- Taxon
- Brassica junceaBrassica junceae1
- Treatment
- lower concentrationse4
- Gene
- catalase (CAT, EC 1.11.1.6)e2
- Outcome
- Catalase activitye4
- Direction
- increasede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Changes in malondialdehyde (MDA) concentration and antioxidant enzyme activities by Cd and Pb in mustard (Brassica juncea L.) plants at pre-flowering, flowering and post-flowering were investigated”
e2“On treatment with Cd, Pb, changes in MDA concentration and antioxidant enzyme activities, namely, superoxide dismutase (SOD, EC 1.15.1.1), catalase (CAT, EC 1.11.1.6), ascorbate peroxidase (APX, EC 1.11.1.11) and glutathione reductase (GR, EC 1.6.4.2) were observed”
e4“Catalase activity was increased at lower concentrations and decreased at higher concentrations of Cd and Pb”
Claim · model-written summary
Catalase activity decreased at higher concentrations of Cd and Pb in Brassica juncea.
- Taxon
- Brassica junceaBrassica junceae1
- Treatment
- higher concentrations of Cd and Pbe4
- Gene
- catalase (CAT, EC 1.11.1.6)e2
- Outcome
- Catalase activitye4
- Direction
- decreasede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Changes in malondialdehyde (MDA) concentration and antioxidant enzyme activities by Cd and Pb in mustard (Brassica juncea L.) plants at pre-flowering, flowering and post-flowering were investigated”
e2“On treatment with Cd, Pb, changes in MDA concentration and antioxidant enzyme activities, namely, superoxide dismutase (SOD, EC 1.15.1.1), catalase (CAT, EC 1.11.1.6), ascorbate peroxidase (APX, EC 1.11.1.11) and glutathione reductase (GR, EC 1.6.4.2) were observed”
e4“Catalase activity was increased at lower concentrations and decreased at higher concentrations of Cd and Pb”
Claim · model-written summary
SOD, APX and GR activities increased up to 200 mg/kg soil Cd and 300 mg/kg soil Pb in Brassica juncea.
- Taxon
- Brassica junceaBrassica junceae1
- Treatment
- up to 200 mg/kg soil Cd and with Pb 300 mg/kg soile5
- Outcome
- SOD, APX and GRe5
- Direction
- increasese5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Changes in malondialdehyde (MDA) concentration and antioxidant enzyme activities by Cd and Pb in mustard (Brassica juncea L.) plants at pre-flowering, flowering and post-flowering were investigated”
e5“SOD, APX and GR increases up to 200 mg/kg soil Cd and with Pb 300 mg/kg soil”
Claim · model-written summary
Cd and Pb accumulated more in the shoots of Brassica juncea at 200 mg/kg soil Cd and 300 mg/kg soil Pb.
- Taxon
- B. junceaBrassica junceae6
- Organ / stage
- shootse6
- Treatment
- 200 mg/kg soil Cd and 300 mg/kg soil Pbe6
- Outcome
- Cd and Pb accumulatee6
- Direction
- moree6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“Cd and Pb accumulate more at 200 mg/kg soil Cd and 300 mg/kg soil Pb in the shoots of B. juncea”
Claim · model-written summary
Brassica juncea is tolerant to Cd and Pb (author interpretation).
- Taxon
- B. junceaBrassica junceae7
- Outcome
- tolerant to Cd and Pbe7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e7“This study demonstrated that B. juncea is tolerant to Cd and Pb and mobilizes antioxidant enzymes in order to mitigate heavy metal stress damages”
Claim · model-written summary
Brassica juncea mobilizes antioxidant enzymes to mitigate heavy metal stress damage (author interpretation).
- Taxon
- B. junceaBrassica junceae7
- Gene
- antioxidant enzymese7
- Outcome
- mitigate heavy metal stress damagese7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e7“This study demonstrated that B. juncea is tolerant to Cd and Pb and mobilizes antioxidant enzymes in order to mitigate heavy metal stress damages”
The same questions in other papers
cadmium atom · physiology: oxidative · Brassica juncea (Indian mustard)Positive and negative results
10 papers in the same direction as this paper · 1 in the opposite direction
- positive
- negative
- negative
8 papers more in this group
See all 12 papers →lead atom · physiology: oxidative · Brassica juncea (Indian mustard)Results agree
3 papers in the same direction as this paper
- negative
- 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.