biologia plantarum

International journal on Plant Life established by Bohumil Němec in 1959

Biologia plantarum 46:79-83, 2003 | DOI: 10.1023/A:1027384932338

Effects of Cadmium on Root Growth, Cell Division and Nucleoli in Root Tip Cells of Garlic

D. Liu1, W. Jiang2, X. Gao3
1 Department of Biology, College of Chemistry and Life Sciences, Tianjin Normal University, Tianjin, P.R. China
2 Library, Tianjin Normal University, Tianjin, P.R. China
3 Department of Food Sciences, Beijing Agricultural College, Beijing, P.R. China

The effects of different concentrations (10-7 to 10-2 M) of cadmium chloride on root growth, cell division and nucleoli in root tip cells of Allium sativum L. were investigated. At lower concentrations of Cd2+ (10-7 to 10-6 M), Cd2+ did not influence the root growth, even had a stimulation effects during a short treatment. The results showed that the rate of root growth per day at the treatment groups (10-4 to 10-2 M Cd2+) decreased with increasing duration of the treatment and increasing Cd2+ concentration. Cd2+ induced c-mitosis, anaphase bridges, chromosome stickiness and on nucleoli, causing some particles of similar silver-stained material scattered in the nuclei and making the silver staining reaction at the periphery of the nucleolus weaker.

Keywords: Allium sativum; anaphase bridges; chromosome stickiness; mitosis
Subjects: Allium sativum; anaphase bridges, cadmium; cadmium, root growth; chromosome stickiness, cadmium; garlic, cadmium; heavy metals; mitosis, cadmium; root tip cells, cadmium

Published: July 1, 2003  Show citation

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Liu, D., Jiang, W., & Gao, X. (2003). Effects of Cadmium on Root Growth, Cell Division and Nucleoli in Root Tip Cells of Garlic. Biologia plantarum, 46(1), 79-83. doi: 10.1023/A:1027384932338
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