| 四种预处理因素的凝缩和抑制效应 |
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| 引用本文： | 佘朝文.四种预处理因素的凝缩和抑制效应[J].怀化学院学报,1995(5). |
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| 作者姓名： | 佘朝文 |
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| 作者单位： | 怀化师专生物系 |
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| 摘 要： | 比较研究了秋水仙素、8—羟基喹啉、对二氯苯、低温四种预处理因素对蚕豆根尖细胞染色体的凝缩效应和对有丝分裂的抑制效应。结果表明:(1)四种预处理因素积累中期细胞和使染色体凝缩的效应大小是:秋水仙素>低温>>对二氯苯>>8—羟墓喹啉。(2)秋水仙素对染色体的凝缩具有长效性,其它三种因素则是短效的。(3)8—羟基喹啉强烈抑制有丝分裂和细胞生长,并且难以恢复,使根尖细胞受到严重毒害。秋水仙素先是使有丝分裂受到抑制,之后又刺激有丝分裂。低温、对二氯苯也能抑制有丝分裂,但恢复较快。
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| 关 键 词： | 秋水仙素 8—羟基喹啉 对二氯苯 低温 蚕豆 有丝分裂 |
On the Condensation and Inhibition Effect Induced by Four Preparation Factors |
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| She Chaowen.On the Condensation and Inhibition Effect Induced by Four Preparation Factors[J].Journal of Huaihua University,1995(5). |
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| Authors: | She Chaowen |
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| Institution: | Department of Biology |
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| Abstract: | In this paper, we investigated comparatively the condensation effect of chromosome and the inhibition effect of mitosis in Vicia faba root tip cell induced by colchicine. 8-hydroxyquinolme para-di-chloroben-zene and low temperatlure (<4℃) . |
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| Keywords: | colchicine 8-hydroxyquinoline para-dichlorobenzene low temperature ( |
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