Abstract
Due to urbanization and industrialization, heavy metals have become the common environmental pollutant throughout the world. Chromosomal studies are one of the important tools to estimate the genome damaging property of these metals. This research was done to analyze the genotoxic effects of metals such as cadmium (Cd), nickel (Ni), mercury (Hg), lead (Pb) and copper (Cu) in mung bean (Vigna radiata) root tips. The experiment was set in such a way that mild metal treatment (0.01 mM) was given before respective high metal treatments (0.1 and 0.5 mM) separately, with the aim to know whether low/mild metals can alleviate metal tolerance in mung bean seedlings. Results demonstrated that metals treatment resulted in growth and mitotic index reduction. Among all the tested metals, Cd was found to cause more negative effect on growth of mung bean seedlings with length of 6.12 cm and 13.41% mitotic Index (MI) with the highest total aberrations (27.91%) at 0.5 mM Cd. Positive correlation was found between mitotic index and seedling length while a negative correlation was recorded between chromosomal aberrations with mitotic index and seedling length. Among these abnormalities C-mitosis, sticky chromosomes, and disturb metaphase were the most common aberrations irrespective of the metal. Furthermore, it was also observed that seed priming with respective mild metal concentration improves the seedling length, MI, and reduces the effect of metal stress by lowering the chromosomal aberrations in both 0.1 mM and 0.5 mM concentrations as compared to metal stress alone.
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Claims 9
Claim · model-written summary
Metal treatment reduced growth and mitotic index of mung bean seedlings.
- Taxon
- mung bean
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Vigna radiatae0 - Treatment
- metals treatmente1
- Outcome
- growth and mitotic indexe1
- Direction
- reductione1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“in mung bean (Vigna radiata) root tips”
e1“Results demonstrated that metals treatment resulted in growth and mitotic index reduction”
Claim · model-written summary
Cadmium had a more negative effect on mung bean seedling length (6.12 cm) than the other tested metals.
- Taxon
- mung beanVigna radiatae0
- Treatment
- Cde2
- Outcome
- lengthe2
- Direction
- more negative effecte2
- Value
- 6.12 cme2
- Comparator
- all the tested metalse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in mung bean (Vigna radiata) root tips”
e2“Among all the tested metals, Cd was found to cause more negative effect on growth of mung bean seedlings with length of 6.12 cm and 13.41% mitotic Index (MI)”
Claim · model-written summary
Cadmium had a more negative effect on mung bean mitotic index (13.41%) than the other tested metals.
- Taxon
- mung beanVigna radiatae0
- Treatment
- Cde2
- Outcome
- mitotic Index (MI)e2
- Direction
- more negative effecte2
- Value
- 13.41%e2
- Comparator
- all the tested metalse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in mung bean (Vigna radiata) root tips”
e2“Among all the tested metals, Cd was found to cause more negative effect on growth of mung bean seedlings with length of 6.12 cm and 13.41% mitotic Index (MI)”
Claim · model-written summary
At 0.5 mM Cd, mung bean had the highest total chromosomal aberrations (27.91%).
- Taxon
- mung beanVigna radiatae0
- Treatment
- 0.5 mM Cde4
- Outcome
- total aberrationse4
- Direction
- higheste4
- Value
- 27.91%e4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in mung bean (Vigna radiata) root tips”
e4“with the highest total aberrations (27.91%) at 0.5 mM Cd”
Claim · model-written summary
Mitotic index and seedling length of mung bean are positively correlated.
- Taxon
- mung beanVigna radiatae0
- Organ / stage
- seedlinge5
- Outcome
- mitotic index and seedling lengthe5
- Direction
- Positive correlatione5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in mung bean (Vigna radiata) root tips”
e5“Positive correlation was found between mitotic index and seedling length”
Claim · model-written summary
Chromosomal aberrations are negatively correlated with mitotic index and seedling length of mung bean.
- Taxon
- mung beanVigna radiatae0
- Organ / stage
- seedlinge6
- Outcome
- chromosomal aberrationse6
- Direction
- negative correlatione6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in mung bean (Vigna radiata) root tips”
e6“a negative correlation was recorded between chromosomal aberrations with mitotic index and seedling length”
Claim · model-written summary
C-mitosis, sticky chromosomes, and disturbed metaphase were the most common chromosomal abnormalities irrespective of metal.
- Taxon
- mung beanVigna radiatae0
- Outcome
- C-mitosis, sticky chromosomes, and disturb metaphasee7
- Qualifier
- the most common aberrations irrespective of the metale7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in mung bean (Vigna radiata) root tips”
e7“Among these abnormalities C-mitosis, sticky chromosomes, and disturb metaphase were the most common aberrations irrespective of the metal”
Claim · model-written summary
Seed priming with mild metal concentration improves seedling length and mitotic index under metal stress.
- Taxon
- mung beanVigna radiatae0
- Treatment
- seed priming with respective mild metal concentratione1
- Outcome
- seedling length, MIe1
- Direction
- improvese1
- Comparator
- metal stress alonee2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in mung bean (Vigna radiata) root tips”
e1“seed priming with respective mild metal concentration improves the seedling length, MI”
e2“as compared to metal stress alone”
Claim · model-written summary
Seed priming with mild metal concentration lowers chromosomal aberrations at 0.1 and 0.5 mM metal stress.
- Taxon
- mung beanVigna radiatae0
- Treatment
- seed priming with respective mild metal concentratione1
- Outcome
- chromosomal aberrationse3
- Direction
- loweringe3
- Qualifier
- both 0.1 mM and 0.5 mM concentrationse3
- Comparator
- metal stress alonee2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in mung bean (Vigna radiata) root tips”
e1“seed priming with respective mild metal concentration improves the seedling length, MI”
e2“as compared to metal stress alone”
e3“reduces the effect of metal stress by lowering the chromosomal aberrations in both 0.1 mM and 0.5 mM concentrations”
The same questions in other papers
cadmium atom · cytology · Vigna radiata (mung bean)Positive and negative results
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- positive
- negative
- negative
cadmium atom · growth · Vigna radiata (mung bean)Results agree
20 papers in the same direction as this paper
- negative
- negative
- negative
17 papers more in this group
See all 21 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.