Comparative transcriptome analysis of abaloneHaliotis discus hannaiwith green and gray egg colors

文献类型： 外文期刊

第一作者： Feng, Yanwei

作者： Feng, Yanwei;Li, Zan;Sun, Guohua;Xu, Xiaohui;Yuan, Bo;Liu, Xiangquan;Yuan, Bo;Yuan, Bo;Jiang, Xu

作者机构：

关键词： Haliotis discus hannai; egg color; high-performance liquid chromatography; transcriptome; differentially expressed genes

期刊名称：JOURNAL OF OCEANOLOGY AND LIMNOLOGY （ 影响因子：1.265； 五年影响因子：1.276 ）

ISSN： 2096-5508

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页码：

收录情况： SCI

摘要： Haliotis discus hannaiis an important marine economic species in China. Its egg color was found to be associated with economic traits, which provides a new idea for breeding. However, the molecular mechanism of the egg-color formation has not been reported. Thus, the pigment composition and comparative transcriptome analyses ofH. discus hannaiwith green and gray egg color were conducted using high-performance liquid chromatography (HPLC) and RNA-Seq methods. Results show that individuals with green and gray eggs both possess the fucoxanthin. Lutein existed in gray-egged individuals, but not in green-egged individuals. In transcriptome analysis, 272 310 unigenes were received from 461 162 transcripts with a mean length of 985 bp and N50 of 1 524 bp, respectively. A total of 185 unigenes were identified as differentially expressed genes (DEGs). The DEGs involved in "flavin-containing compound metabolic process", "melanosome", "glutathione metabolism", and "cytochrome b6f complex" were likely related to the formation of the egg color. Our results provide foundational information for the functional analysis of egg-color related genes and are beneficial to the selective breeding ofH. discus hannai.

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[1]Comparative transcriptome analysis of abaloneHaliotis discus hannaiwith green and gray egg colors. Feng, Yanwei,Li, Zan,Sun, Guohua,Xu, Xiaohui,Yuan, Bo,Liu, Xiangquan,Yuan, Bo,Yuan, Bo,Jiang, Xu.

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