Abstract
Root growth of barley (Hordeum vulgare L., cv. Akashinriki) was inhibited by 200 raM NaCl, when 1 mM CaCl2 was present in the hydroponic culture solution. Increasing the CaCl2 up to 10 mM partially prevented this inhibition. However, inhibition also occurred with 100 mM NaCl in the presence of 0.1 mM CaCl2. The nuclei of meristematic cells in roots in which growth had been inhibited by salt stress were studied after staining with DAPI (4′,6-diamino-2-phenylindol). Nuclear deformation of the cells occurred with 12 h of salt stress with 500 mM NaCl, and was followed by degradation. The nuclear degradation was also observed when the roots were exposed to more than 300 mM NaCl for 24 h. Biochemical analysis revealed that nuclear degradation was accompanied by apoptosis-like DNA fragmentation. The intracellular mechanisms of nuclear degradation in cells after salt stress are discussed.
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Claims 6
Claim · model-written summary
NaCl inhibited barley root growth under low calcium.
- Taxon
- barley
.jpg?width=60)
Hordeum vulgaree0 - Material
- cv. Akashinrikie0
- Treatment
- 200 raM NaCle0
- Outcome
- Root growthe0
- Direction
- inhibitede0
- Qualifier
- 1 mM CaCl2e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Root growth of barley (Hordeum vulgare L., cv. Akashinriki) was inhibited by 200 raM NaCl, when 1 mM CaCl2 was present in the hydroponic culture solution.”
Claim · model-written summary
Raising CaCl2 to 10 mM partly prevented NaCl inhibition of root growth.
- Taxon
- barleyHordeum vulgaret0
- Treatment
- CaCl2 up to 10 mMe0
- Outcome
- this inhibitione0
- Direction
- preventede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increasing the CaCl2 up to 10 mM partially prevented this inhibition.”
t0“Salt Stress Induced Nuclear and DNA Degradation in Meristematic Cells of Barley Roots”
Claim · model-written summary
At 0.1 mM CaCl2, 100 mM NaCl inhibited root growth.
- Taxon
- barleyHordeum vulgaret0
- Treatment
- 100 mM NaCle0
- Outcome
- inhibitione0
- Direction
- inhibitione0
- Qualifier
- 0.1 mM CaCl2e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“However, inhibition also occurred with 100 mM NaCl in the presence of 0.1 mM CaCl2.”
t0“Salt Stress Induced Nuclear and DNA Degradation in Meristematic Cells of Barley Roots”
Claim · model-written summary
At 500 mM NaCl, meristem cell nuclei deformed by 12 hours and subsequently degraded.
- Taxon
- barleyHordeum vulgaret0
- Treatment
- 500 mM NaCle0
- Outcome
- Nuclear deformation of the cellse0
- Qualifier
- 12 h of salt stresse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nuclear deformation of the cells occurred with 12 h of salt stress with 500 mM NaCl, and was followed by degradation.”
t0“Salt Stress Induced Nuclear and DNA Degradation in Meristematic Cells of Barley Roots”
Claim · model-written summary
Root nuclear degradation was observed after 24 hours above 300 mM NaCl.
- Taxon
- barleyHordeum vulgaret0
- Organ / stage
- rootse0
- Treatment
- more than 300 mM NaCl for 24 he0
- Outcome
- nuclear degradatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The nuclear degradation was also observed when the roots were exposed to more than 300 mM NaCl for 24 h.”
t0“Salt Stress Induced Nuclear and DNA Degradation in Meristematic Cells of Barley Roots”
Claim · model-written summary
Nuclear degradation accompanied apoptosis-like DNA fragmentation.
- Taxon
- barleyHordeum vulgaret0
- Organ / stage
- nucleare0
- Outcome
- apoptosis-like DNA fragmentatione0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Biochemical analysis revealed that nuclear degradation was accompanied by apoptosis-like DNA fragmentation.”
t0“Salt Stress Induced Nuclear and DNA Degradation in Meristematic Cells of Barley Roots”
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