| 中华鲟(Acipenser sinensis)及相关种类的mtDNA控制区串联重复序列及其进化意义 |
| |
| 引用本文： | 张四明,吴清江,张亚平.中华鲟(Acipenser sinensis)及相关种类的mtDNA控制区串联重复序列及其进化意义[J].中国生物化学与分子生物学报,2000,16(4):458-461. |
| |
| 作者姓名： | 张四明 吴清江 张亚平 |
| |
| 作者单位： | 1. 中国水产科学研究院长江水产研究所荆州434000
2. 中国科学院水生生物研究所武汉 430072 |
| |
| 基金项目： | 国家自然科学基金(39600112)和中科院昆明动物研究所细胞和分子开放实验室资助 |
| |
| 摘 要： | 采用 PCR技术和 DNA测序技术 ,发现了我国一级珍稀保护动物中华鲟 ( Acipensersinensis)线粒体 DNA( mt DNA)的控制区 ( D- loop)存在数目不等的串联重复序列 ,该重复序列造成了中华鲟广泛的异质性现象 .从分子水平进行了不同类型重复序列变化规律的研究 ,同时还初探了重复序列在我国其它几种鲟鱼类的存在情况 ,发现在白鲟 ( Psephurus gladius)、达氏鲟 ( A.dabryanus)和史氏鲟 ( A.schrenckii)均存在类似的重复序列结构 .序列比较分析表明 ,不同鲟鱼类重复序列在鲟鱼类进化过程中扮演着一定的角色 ,很有可能碱基差异大小与它们的亲缘关系的远近呈正相关 .
|
| 关 键 词： | 中华鲟 鲟鱼类 mtDNA控制区 串联重复序列 进化 |
| 收稿时间： | 2000-08-20 |
| 修稿时间： | 1999年9月24日 |
Tandem Repeats of Chinese sturgeon(Acipenser sinensis) and Related Species and Its Significance in Evolution |
| |
| ZHANG Si ming ,WU Qing jiang ,ZHANG Ya ping.Tandem Repeats of Chinese sturgeon(Acipenser sinensis) and Related Species and Its Significance in Evolution[J].Chinese Journal of Biochemistry and Molecular Biology,2000,16(4):458-461. |
| |
| Authors: | ZHANG Si ming WU Qing jiang ZHANG Ya ping |
| |
| Institution: | (Laboratory of Cellular and Molecular Evolution,Kunming Institute of Zoology,Chinese Academy of Sciences.Kunming 650223; 1) Yangtze River Institute of Fisheries,Chinese Academy of F |
| |
| Abstract: | By using PCR and DNA sequencing the tandem repeats were confirmed in mitochondrial control region of Chinese sturgeon ( Acipenser sinensis ),an endangered fish under first rank protection in China.The tandem repeats caused an extensive mtDNA heteroplasmy which had different mtDNA molecular sizes in single individual.Regulations of different types of repeats were studied.In addition,the repeats were also found in other Chinese species such as Chinese paddlefish ( Psephurus gladius ),Yangtze sturgeon ( A.dabryamus ) and Amur sturgeon ( A.schrenckii ).The sequence divergences among the repeats have positive relationships among relationships of species. |
| |
| Keywords: | Chinese sturgeon Acipenseriformes Mitochondrial control region Tandem repeat Evolution |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
| 点击此处可从《中国生物化学与分子生物学报》浏览原始摘要信息 |
| 点击此处可从《中国生物化学与分子生物学报》下载免费的PDF全文 |
