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Genetic variation in vibrio resistance in the clam Meretrix petechialis under the challenge of Vibrio parahaemolyticus
Liang, Bingbing1,2; Jiang, Fengjuan1,2; Zhang, Shujing1,2; Yue, Xin1,3; Wang, Hongxia1,3; Liu, Baozhong1,3
2017-02-01
发表期刊AQUACULTURE
卷号468页码:458-463
文章类型Article
摘要We estimated the additive genetic variation and heritability of vibrio resistance in the clam Meretrix petechialis by using four statistical models to analyze data from challenge tests. A total of 2541 individuals from 23 full-sib families were infected with V. parahaemolyticus, which causes vibriosis in clams. The daily mortality was recorded, and the experiment was terminated after 18 days, when the death rate fell to approximately zero. The overall mortality of clams approached 60% at the end of the test, and significantly different survival rates were observed among families, e.g., six full-sib families suffered 80-97% mortality, whereas 9 families showed only 17-48% mortality. Variance components were analyzed using cross-sectional models, and moderate to high heritability was estimated for vibrio resistance in both the linear model (0.31-0.32) and the sire-dam threshold model (0.53) but not in the animal threshold model (0.006). Estimated breeding values (EBVs) of the two types of models showed high and positive correlations (0.92-0.99), which meant that these models showed similar utility for predicting breeding value. These results indicate that an efficacious and reliable challenge method of infecting M. petechialis clams with V. parahaemolyticus was achieved and that vibrio resistance in clam might be genetically improved through selective breeding.
关键词Meretrix Petechialis Vibrio Resistance Vibrio Parahaemolyticus Heritability
DOI10.1016/j.aquaculture.2016.10.037
收录类别SCI
语种英语
WOS记录号WOS:000390735200058
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/136266
专题实验海洋生物学重点实验室
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Expt Marine Biol, 7 Nanhai Rd, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao 266200, Peoples R China
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Liang, Bingbing,Jiang, Fengjuan,Zhang, Shujing,et al. Genetic variation in vibrio resistance in the clam Meretrix petechialis under the challenge of Vibrio parahaemolyticus[J]. AQUACULTURE,2017,468:458-463.
APA Liang, Bingbing,Jiang, Fengjuan,Zhang, Shujing,Yue, Xin,Wang, Hongxia,&Liu, Baozhong.(2017).Genetic variation in vibrio resistance in the clam Meretrix petechialis under the challenge of Vibrio parahaemolyticus.AQUACULTURE,468,458-463.
MLA Liang, Bingbing,et al."Genetic variation in vibrio resistance in the clam Meretrix petechialis under the challenge of Vibrio parahaemolyticus".AQUACULTURE 468(2017):458-463.
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