|本期目录/Table of Contents|

[1]秦海峰,仪慧兰.模拟酸雨及Al3+共同作用对蚕豆根尖细胞的遗传损伤[J].应用与环境生物学报,2007,13(06):799-802.
 QIN Haifeng,et al..Genetic Damage of Vicia faba Root Tip Cells Caused by Combination of Simulated Acid Rain and Aluminum[J].Chinese Journal of Applied & Environmental Biology,2007,13(06):799-802.
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模拟酸雨及Al3+共同作用对蚕豆根尖细胞的遗传损伤()
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《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
13卷
期数:
2007年06期
页码:
799-802
栏目:
综述
出版日期:
2007-12-25

文章信息/Info

Title:
Genetic Damage of Vicia faba Root Tip Cells Caused by Combination of Simulated Acid Rain and Aluminum
作者:
秦海峰仪慧兰
(1山西大学生命科学与技术学院太原030006; 2太原理工大学化学化工学院太原030024)
Author(s):
QIN Haifeng et al.
(1 College of Life Science and Technology, Shanxi University, Taiyuan 030006, China) (2College of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan 030024, China)
关键词:
关键词 模拟酸雨蚕豆微核核固缩
Keywords:
Keywords simulated acid rain aluminum Vicia faba L. micronuclei pycnosis
摘要:
摘要以蚕豆为材料,研究了模拟酸雨及酸雨与铝共同作用的细胞遗传学效应.结果表明,根尖细胞有丝分裂指数随Al3+浓度的升高和环境酸度的增强而下降;处理组细胞中出现了多种染色体异常,如染色体粘连、滞后及断裂等.模拟酸雨及其与低浓度Al3+ (3 mg/L)共同作用时可诱发蚕豆根尖细胞微核,其中pH 45组微核率高于pH 35组.模拟酸雨与高浓度的Al3+ (10~180 mg/L)复合处理可引起根尖细胞固缩,固缩率随Al3+浓度增加和pH降低而增高.研究结果表明,pH 45和pH 35的模拟酸雨和Al3+对蚕豆根尖细胞具有遗传损伤作用,其效应与Al3+浓度和环境酸度有关.图2表4参15
Abstract:
Abstract The cytogenetic damage jointly caused by simulated acid rain (mixture of SO2-4  NO-3, 8  1, n/n) and aluminum (Al3+) was investigated using Vicia faba root tips. The results showed that mitotic index decreased with the increasing of Al3+ concentration and declining of pH value. Either simulated acid rains (pH 45 and pH 35, respectively) or a combination of Al3+ (3 mg/L) and acid rain caused micronuclei and chromosome aberrations, such as chromosomal stickiness, lagging and breakage. Pycnosis occurred dose and aciditydependently in 10~180 mg/L Al3+treated V. faba root cells. The results of this study suggest that the simulated acid rain and Al3+ are genotoxic to plant cells and their toxic effects are worse at lower pH. Fig 2, Tab 4, Ref 15

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更新日期/Last Update: 2008-01-17