Abstract
Changes of Ca 2+ distribution in root apical meristematic cells of wheat under cadmium stress were observed with electron microscopic-cytochemical method.When the roots grew in non-cadmium environment,it was shown that the calcium antimonates distributed in cytoplasm,nucleus and intercellular spaces,especially in the vacuoles of cytoplasm.When the roots grew in cadmium stressed environment,the amount of calcium antimonates in cytoplasm decreased,while the amount of calcium antimonates in the nucleus,between plasma membrane and cell wall,and in cell wall increased.Moreover,the cells vacuolizated,and there were some calcium antimonates in vacuoles.These results indicated that cadmium could disturb cellular metabolism by disrupting Ca 2+ homeostasis and affect the growth of roots.
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Claims 7
Claim · model-written summary
Without cadmium, calcium antimonates were distributed in the cytoplasm, nucleus and intercellular spaces, especially in the vacuoles.
- Taxon
- wheat
Triticum aestivume0 - Organ / stage
- root apical meristematic cellse0
- Outcome
- calcium antimonatese1
- Qualifier
- distributed in cytoplasm,nucleus and intercellular spacese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“root apical meristematic cells of wheat under cadmium stress”
e1“When the roots grew in non-cadmium environment,it was shown that the calcium antimonates distributed in cytoplasm,nucleus and intercellular spaces,especially in the vacuoles of cytoplasm”
Claim · model-written summary
Under cadmium stress, the amount of calcium antimonates in the cytoplasm decreased.
- Taxon
- wheatTriticum aestivume0
- Treatment
- cadmium stressed environmente2
- Outcome
- amount of calcium antimonates in cytoplasme2
- Direction
- decreasede2
- Comparator
- non-cadmium environmente1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“root apical meristematic cells of wheat under cadmium stress”
e1“When the roots grew in non-cadmium environment,it was shown that the calcium antimonates distributed in cytoplasm,nucleus and intercellular spaces,especially in the vacuoles of cytoplasm”
e2“When the roots grew in cadmium stressed environment,the amount of calcium antimonates in cytoplasm decreased,while the amount of calcium antimonates in the nucleus,between plasma membrane and cell wall,and in cell wall increased”
Claim · model-written summary
Under cadmium stress, the amount of calcium antimonates in the nucleus, between plasma membrane and cell wall, and in the cell wall increased.
- Taxon
- wheatTriticum aestivume0
- Treatment
- cadmium stressed environmente2
- Outcome
- amount of calcium antimonates in the nucleuse2
- Direction
- increasede2
- Qualifier
- between plasma membrane and cell wall,and in cell walle2
- Comparator
- non-cadmium environmente1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“root apical meristematic cells of wheat under cadmium stress”
e1“When the roots grew in non-cadmium environment,it was shown that the calcium antimonates distributed in cytoplasm,nucleus and intercellular spaces,especially in the vacuoles of cytoplasm”
e2“When the roots grew in cadmium stressed environment,the amount of calcium antimonates in cytoplasm decreased,while the amount of calcium antimonates in the nucleus,between plasma membrane and cell wall,and in cell wall increased”
Claim · model-written summary
Under cadmium stress, root apical meristematic cells became vacuolated.
- Taxon
- wheatTriticum aestivume0
- Outcome
- cells vacuolizatede3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“root apical meristematic cells of wheat under cadmium stress”
e3“Moreover,the cells vacuolizated,and there were some calcium antimonates in vacuoles”
Claim · model-written summary
Under cadmium stress, some calcium antimonates were found in vacuoles.
- Taxon
- wheatTriticum aestivume0
- Outcome
- calcium antimonates in vacuolese3
- Qualifier
- somee3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“root apical meristematic cells of wheat under cadmium stress”
e3“Moreover,the cells vacuolizated,and there were some calcium antimonates in vacuoles”
Claim · model-written summary
Cadmium could disturb cellular metabolism by disrupting Ca2+ homeostasis (authors' interpretation).
- Taxon
- wheatTriticum aestivume0
- Treatment
- cadmiume4
- Outcome
- cellular metabolisme4
- Qualifier
- disrupting Ca2+ homeostasise4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“root apical meristematic cells of wheat under cadmium stress”
e4“cadmium could disturb cellular metabolism by disrupting Ca2+ homeostasis and affect the growth of roots”
Claim · model-written summary
Cadmium affects the growth of wheat roots.
- Taxon
- wheatTriticum aestivume0
- Treatment
- cadmiume4
- Outcome
- growth of rootse4
- Direction
- affecte4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“root apical meristematic cells of wheat under cadmium stress”
e4“cadmium could disturb cellular metabolism by disrupting Ca2+ homeostasis and affect the growth of roots”
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