Abstract
The low dose region was evaluated for meristem cells of spring barley. A study of the cytogenetic damage in the low dose range was carried out to determine the genuine shape of the dose curve. The relationship between the frequency of aberrant cells and the absorbed dose is shown to be non-linear with a site at low doses within which the cytogenetic damage exceeds the control level significantly and does not depend on dose value. Within the tested exposure region, the aberrant cell frequency is found to decrease with increasing dose rate, but the shape of the dose curve remained invariable. The piecewise linear model fits the experimental data much better than the linear one.
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Claims 5
Claim · model-written summary
The relationship between aberrant cell frequency and absorbed dose in spring barley meristem cells is non-linear.
- Taxon
- spring barley
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Hordeum vulgaree0 - Treatment
- absorbed dosee1
- Outcome
- frequency of aberrant cellse1
- Qualifier
- non-lineare1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“meristem cells of spring barley”
e1“The relationship between the frequency of aberrant cells and the absorbed dose is shown to be non-linear”
Claim · model-written summary
At low doses, cytogenetic damage significantly exceeds the control level and does not depend on dose value.
- Taxon
- spring barleyHordeum vulgaree0
- Treatment
- dosee1
- Outcome
- cytogenetic damagee1
- Direction
- exceedse1
- Qualifier
- does not depend on dose valuee1
- Comparator
- the control levele1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“meristem cells of spring barley”
e1“within which the cytogenetic damage exceeds the control level significantly and does not depend on dose value”
Claim · model-written summary
Within the tested exposure region, aberrant cell frequency decreased with increasing dose rate.
- Taxon
- spring barleyHordeum vulgaree0
- Treatment
- increasing dose ratee1
- Outcome
- aberrant cell frequencye1
- Direction
- decreasee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“meristem cells of spring barley”
e1“Within the tested exposure region, the aberrant cell frequency is found to decrease with increasing dose rate”
Claim · model-written summary
The shape of the dose curve remained invariable with dose rate.
- Taxon
- spring barleyHordeum vulgaree0
- Outcome
- shape of the dose curvee1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“meristem cells of spring barley”
e1“the shape of the dose curve remained invariable”
Claim · model-written summary
The piecewise linear model fits the experimental data much better than the linear model.
Verbatim
e0“The piecewise linear model fits the experimental data much better than the linear one”