Title: Effect of Interaction of pH and Aluminum on the Mitosis of Root Tip Cells in Vicia faba L.
Abstract:The effect of aluminum sulphate solutions on the mitosis and micronucleus under different pH was studied using V.faba root tip micronucleus assays.The results showed that pH and aluminum induced chrom...The effect of aluminum sulphate solutions on the mitosis and micronucleus under different pH was studied using V.faba root tip micronucleus assays.The results showed that pH and aluminum induced chromosomal abnormalities and nuclear solid shrinkage,and increased the cell micronucleus.When pH was invariant,the cells mitosis index(MI) and micronucleus frequency(MNF) increased first and then decreased with Al concentration increasing,and MI was the maximum at Al concentration 10 or 20 mg/L(only pH=8.5);MNF was the maximum at Al concentration 10 or 20 mg/L(only pH=7.0).When the Al concentration was constant,MI increased first and then decreased with pH increasing,and the maximum appeared at pH7.0;MNF was minimum at pH7.0 in no Al and Al concentration 10 mg/L group,but MNF was little change in the high Al treatment group.Both pH and Al had a significant genetic toxicity effect which had very complex interactive relationship.The main representation was additive effect genetic damage.Enhencing pH could greatly alleviate aluminum poison effect,but could not eliminate the toxicity of aluminum.Read More
Publication Year: 2012
Publication Date: 2012-01-01
Language: en
Type: article
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