中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
首页 机构 成果 学者
  
  1. CAS IR Grid
  2. 海洋研究所
  3. 中国科学院海洋研究所
  4. 海洋生物技术研发中心
First Evidence for Hybrid Breakdown in the Backcross of Olive Flounder, Paralichthys olivaceus, and Summer Flounder, Paralichthys dentatus

文献类型：期刊论文

作者Xu, Dongdong1,2; You, Feng1; Li, Jun1; Wu, Zhihao1; Xiao, Zhizhong1; Zhang, Peijung1; Xu, Yongli1; Wang, Bo3
刊名JOURNAL OF THE WORLD AQUACULTURE SOCIETY
出版日期2011-06-01
卷号42期号:3页码:347-353
ISSN号0893-8849
DOI10.1111/j.1749-7345.2011.00473.x
文献子类Article
英文摘要Hybrid and parental backcross experiments were performed using olive flounder, Paralichthys olivaceus, summer flounder, Paralichthys dentatus, and their female F(1) hybrids to examine hybrid fitness in the backcross. Fertilization rate, hatching rate, and combined fitness measure (CFM, product of fertilization rate and hatching rate) were detected and the results showed that the CFM of hybrid and backcross generations was reduced significantly compared to pure olive flounder crosses. Genomic inheritance from parents to backcross progeny was also detected by amplified fragment length polymorphism (AFLP). Almost all AFLP bands observed in parents were presented in backcross progeny (backcross1, 218/227; backcross2, 265/282), although 9 and 17 parental bands were missing in backcross1 and backcross2, respectively. Novel bands (absent in parents) also occurred in progeny at the frequencies of 5.63% (13/231) in backcross1 and 3.28% (9/274) in backcross2. Additionally, 27.40 and 31.18% of AFLP markers deviated from expected Mendelian ratio in backcross1 and backcross2, respectively. The present study suggests that genetic incompatibilities may exist between olive flounder and summer flounder. Furthermore, possible implications of segregation distortion for reduced hybrid fitness in backcross generations are discussed.; Hybrid and parental backcross experiments were performed using olive flounder, Paralichthys olivaceus, summer flounder, Paralichthys dentatus, and their female F(1) hybrids to examine hybrid fitness in the backcross. Fertilization rate, hatching rate, and combined fitness measure (CFM, product of fertilization rate and hatching rate) were detected and the results showed that the CFM of hybrid and backcross generations was reduced significantly compared to pure olive flounder crosses. Genomic inheritance from parents to backcross progeny was also detected by amplified fragment length polymorphism (AFLP). Almost all AFLP bands observed in parents were presented in backcross progeny (backcross1, 218/227; backcross2, 265/282), although 9 and 17 parental bands were missing in backcross1 and backcross2, respectively. Novel bands (absent in parents) also occurred in progeny at the frequencies of 5.63% (13/231) in backcross1 and 3.28% (9/274) in backcross2. Additionally, 27.40 and 31.18% of AFLP markers deviated from expected Mendelian ratio in backcross1 and backcross2, respectively. The present study suggests that genetic incompatibilities may exist between olive flounder and summer flounder. Furthermore, possible implications of segregation distortion for reduced hybrid fitness in backcross generations are discussed.
学科主题Fisheries
URL标识查看原文
语种英语
WOS记录号WOS:000291226500008
公开日期2012-07-03
源URL[http://ir.qdio.ac.cn/handle/337002/12018]  
专题海洋研究所_海洋生物技术研发中心
作者单位1.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
2.China & Marine Fishery Inst Zhejiang Prov, Zhoushan 316100, Peoples R China
3.SOA, Inst Oceanog 1, Qingdao, Peoples R China
推荐引用方式
GB/T 7714		 Xu, Dongdong,You, Feng,Li, Jun,et al. First Evidence for Hybrid Breakdown in the Backcross of Olive Flounder, Paralichthys olivaceus, and Summer Flounder, Paralichthys dentatus[J]. JOURNAL OF THE WORLD AQUACULTURE SOCIETY,2011,42(3):347-353.
APA Xu, Dongdong.,You, Feng.,Li, Jun.,Wu, Zhihao.,Xiao, Zhizhong.,...&Wang, Bo.(2011).First Evidence for Hybrid Breakdown in the Backcross of Olive Flounder, Paralichthys olivaceus, and Summer Flounder, Paralichthys dentatus.JOURNAL OF THE WORLD AQUACULTURE SOCIETY,42(3),347-353.
MLA Xu, Dongdong,et al."First Evidence for Hybrid Breakdown in the Backcross of Olive Flounder, Paralichthys olivaceus, and Summer Flounder, Paralichthys dentatus".JOURNAL OF THE WORLD AQUACULTURE SOCIETY 42.3(2011):347-353.

入库方式： OAI收割

来源：海洋研究所

浏览0
下载0
收藏0
其他版本

除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。