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ZJUS-B
Journal of Zhejiang University-SCIENCE B (Biomedicine & Biotechnology)  2006, Vol. 7 Issue (3 ): 9-    DOI: 10.1631/jzus.2006.B0221
    
Joint effects of microwave and chromium trioxide on root tip cells of Vicia faba
Qian Xiao-wei, Luo Wei-hua, Zheng Ou-xiang
School of Life and Environmental Science, Wenzhou University, Wenzhou 325003, China
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Abstract  The mutagenic effects of microwave and chromium trioxide (CrO3) on Vicia faba root tip were studied. Micronucleus assay and chromosomal aberration assay were used to determine the mitotic index, the micronucleus frequency and chromosomal aberration frequency of Vicia faba root tip cells induced by microwave and CrO3. The results showed that the micronucleus frequency decreased, and that the mitotic index and chromosomal aberration frequency showed linear dose responses to CrO3, in treatment of microwave for 5 s. In microwave of 25 s, the mitotic index decreased, the micronucleus frequency and chromosomal aberration frequency increased with increase of CrO3 concentration. We concluded that microwave and CrO3 had antagonistic effect on the mitotic index of Vicia faba root tip cells, but had synergetic effect on micronucleus frequency and chromosomal aberration frequency of Vicia faba root tip cells.

Key words： Microwave      Chromium trioxide (CrO3)      Antagonistic effect      Synergetic effect     
Received: 31 October 2005     
CLC:  Q943  
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Qian Xiao-wei
Luo Wei-hua
Zheng Ou-xiang
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Qian Xiao-wei, Luo Wei-hua, Zheng Ou-xiang. Joint effects of microwave and chromium trioxide on root tip cells of Vicia faba. Journal of Zhejiang University-SCIENCE B (Biomedicine & Biotechnology), 2006, 7(3 ): 9-.

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http://www.zjujournals.com/xueshu/zjus-b/10.1631/jzus.2006.B0221     OR     http://www.zjujournals.com/xueshu/zjus-b/Y2006/V7/I3 /9

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