| 引用本文: | 郭长虹,于瑛,王德慧,马军,郭亚华,耿月伟.航天搭载对辣椒SP1代的诱变效应[J].哈尔滨工业大学学报,2010,42(11):1842.DOI:10.11918/j.issn.0367-6234.2010.11.035 |
| GUO Chang-hong,YU Ying,WANG De-hui,MA Jun,GUO Ya-hua,GENG Yue-wei.Cytological effects of space flight on SP1 root tip cells in pepper[J].Journal of Harbin Institute of Technology,2010,42(11):1842.DOI:10.11918/j.issn.0367-6234.2010.11.035 |
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| 摘要: |
| 为了研究航天搭载对辣椒的诱变效应,以3种卫星搭载当代(SP1)的辣椒种子为材料,对其根尖细胞进行了细胞遗传学分析.结果表明,与未搭载对照相比,航天诱变对辣椒SP1代种子根尖细胞的有丝分裂产生了促进效应,同时使根尖细胞产生了微核以及包括染色体桥、染色体断片、多极分裂等在内的多种类型的染色体变异,说明卫星搭载对辣椒根尖细胞具有诱变效应。 |
| 关键词: 辣椒 航天诱变 有丝分裂指数 微核 染色体畸变 |
| DOI：10.11918/j.issn.0367-6234.2010.11.035 |
| 分类号:S641.3 |
| 基金项目:黑龙江省自然科学基金重点资助项目(ZD200818-02) |
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| Cytological effects of space flight on SP1 root tip cells in pepper |
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GUO Chang-hong1, YU Ying1, WANG De-hui1, MA Jun1, GUO Ya-hua2, GENG Yue-wei2
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1.Key Laboratory of Molecular Cytogenetics and Genetic Breeding of Heilongjiang Province,College of Life Science and Technology,Harbin Normal University,Harbin 150025,China;2.Horticultural Sub-Academy,Heilongjiang Academy of Agricultural Sciences,Harbin 150069,China)
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| Abstract: |
| In order to investigate the genetic effect of space flight on pepper,the mutation on the root tip cells was studied in SP1 generation.The results showed that aerospace environment increased the mitotic index,and caused micronucleus and chromosomal aberrations including chromosome bridges,chromosome fragments and multipolar division etc.The rate of chromosome aberration and micronuclei were obviously increased in three treated materials compared with the untreated ones,which indicated that cytological mutations were induced by space flight. |
| Key words: pepper space mutation mitotic index chromosome aberration micronuclei |
