Genome-wide Analysis of Long Non-coding RNAs at Early Stage of Skin Pigmentation in Goats(Capra hircus)
Background Long noncoding RNAs(lncRNAs)play roles in almost all biological processes; however,their function and profile in skin development and pigmentation is less understood.In addition,because lncRNAs are species-specific,their function in goats has not been established.Result We systematically identified lncRNAs in 100-day-old fetal skin by deep RNA-sequencing using the Youzhou dark goat(dark skin)and Yudong white goat(white skin)as a model of skin pigmentation.A total of 841,895,634 clean reads were obtained from six libraries(samples).We identified 1,336 specific lncRNAs in fetal skin that belonged to three subtypes,including 999 intergenic lncRNAs(lincRNAs),218 anti-sense lncRNAs,and 119 intronic lncRNAs.Our results demonstrated significant differences in gene architecture and expression among the three lncRNA subtypes,particularly in terms of density and position bias of transpose elements near the transcription start site.We also investigated the impact of lncRNAs on its target genes in cis and trans,indicating that these lncRNAs have a strict tissue specificity and functional conservation during skin development and pigmentation.Conclusion The present study provides a resource for lncRNA studies in diseases involved in pigmentation and skin development.It expands our knowledge about lncRNA biology as well as contributes to the annotation of the goat genome.
skin lncRNA goat pigmentation transcriptome
Hangxing Ren Gaofu Wang Lei Chen Jing Jiang Liangjia Liu Nianfu Li Jinhong Zhao Xiaoyan Sun and Peng Zhou
Chongqing Academy of Animal Sciences,Chongqing,402460,China;Chongqing Engineering Research Center fo Chongqing Academy of Animal Sciences,Chongqing,402460,China Chongqing Academy of Animal Sciences,Chongqing,402460,China;Youyang Animal Husbandry Bureau,Chongqin
国内会议
重庆
英文
1470-1489
2016-05-25（万方平台首次上网日期，不代表论文的发表时间）