Comparative microRNA-seq Analysis Depicts Candidate miRNAs Involved in Skin Color Differentiation in Red Tilapia

文献类型: 外文期刊

第一作者: Wang, Lanmei

作者: Wang, Lanmei;Zhu, Wenbin;Dong, Zaijie;Fu, Jianjun;Dong, Zaijie;Song, Feibiao;Dong, Juanjuan

作者机构:

关键词: miR-seq; skin color; red tilapia; pigment; comparative analysis

期刊名称:INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES ( 影响因子:5.923; 五年影响因子:6.132 )

ISSN: 1422-0067

年卷期: 2018 年 19 卷 4 期

页码:

收录情况: SCI

摘要: Differentiation and variation in body color has been a growing limitation to the commercial value of red tilapia. Limited microRNA (miRNA) information is available on skin color differentiation and variation in fish so far. In this study, a high-throughput Illumina sequencing of sRNAs was conducted on three color varieties of red tilapia and 81,394,491 raw reads were generated. A total of 158 differentially expressed miRNAs (vertical bar log(2)(fold change)vertical bar >= 1 and q-value <= 0.001) were identified. Target prediction and functional analysis of color-related miRNAs showed that a variety of putative target genes-including slc7a11, mc1r and asip-played potential roles in pigmentation. Moreover; the miRNA-mRNA regulatory network was illustrated to elucidate the pigmentation differentiation, in which miR-138-5p and miR-722 were predicted to play important roles in regulating the pigmentation process. These results advance our understanding of the molecular mechanisms of skin pigmentation differentiation in red tilapia.

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