An AFLP Genetic Linkage Map of Pacific Abalone (Haliotis discus hannai)

来源 :中国海洋大学学报(英文版) | 被引量 : 0次 | 上传用户:daizhenzeze
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
A genetic linkage map of Pacific abalone (Haliotis discus hannai) was constructed using AFLP markers based on a two-way pseudo-testcross strategy in a full-sib family. With 33 primer combinations, a total of 455 markers (225 from the female parent and 230 from the male parent) segregated in a 1:1 ratio, corresponding to DNA polymorphism: heterozygous in one parent and null in the other. The female framework map consisted of 174 markers distributed in 18 linkage groups, equivalent to the H. discus hannai haploid chromosome number, and spanning a total length of 2031.4 cM, with an average interval of 13.0 cM between adjacent markers. The male framework map consisted of 195 markers mapped on 19 linkage groups, spanning a total length of 2273.4 cM, with an average spacing of 12.9 cM between adjacent markers. The estimated coverage for the framework linkage maps was 81.2% for the female and 82.1% for the male, on the basis of two estimates of genome length. Fifty-two markers (11.4%) remained unlinked. The level of segregation distortion observed in this cross was 20.4%. These linkage maps will serve as a starting point for linkage studies in the Pacific abalone with potential application for marker-assisted selection in breeding programs.
其他文献
按性别区分的语言往往通过人际称谓术语反映社会关系.人际称谓系统成为许多学科的一个热门的研究课题,包括了社会语言学科以及文化与翻译领域.无论是从理论还是实践的角度,解
文章主要阐述了对外汉语专业学生实践能力培养的重要性,通过构建学生实践平台、课堂观摩、指导学生教学实践、参与留学生的辅导与管理等方式来培养学生的实践能力。 The art
Coupled effects on a single point mooring (SPM) system subjected to the combined action of wind, waves and current are studied in this paper. Due to the complic
专业特色是建设特色学校的主要内容.我院从创新培养模式、深化教学改革、加强实践教学等方面入手打造专业特色,并取得良好效果.
高校学生突发事件信息传播机制存在的主要缺陷包括信息传播渠道不畅通、权威信息发布不及时、信息传播引导不合理等.建立健全高校信息传播机制的对策包括:通畅的“学校—学生
时间生物学是一门研究生物节律,即生命活动的周期规律及其产生机制与应用的一门新兴交叉性生命学科.目前无论在基础理论研究还是,临床应用研究,时间生物学均显示出了强劲的发
高校毕业生就业质量涉及专业对口程度、职业稳定性、工资报酬及工作条件等内容.以河北民族师范学院毕业生就业状况为个案进行调查研究,评估学院就业质量及发展趋势.改进就业
As a powerful tool to scan the atmosphere, the 1idar can derive visibility values by directly collecting the backscattering laser light from the atmosphere. Sim
Gelatin from the sea cucumber (Paracaudina chinens var.) was hydrolyzed by bromelain and the hydrolysate was found to have a high free radical scavenging activi