Comparative analysis of microRNA profiles between adult Ascaris lumbricoides and Ascaris suum
文献类型: 外文期刊
第一作者: Shao, Chang-Chun
作者: Shao, Chang-Chun;Tao, Jian-Ping;Shao, Chang-Chun;Xu, Min-Jun;Song, Hui-Qun;Zhu, Xing-Quan;Alasaad, Samer;Peng, Lifei
作者机构:
关键词: MicroRNA (miRNA);Ascaris lumbricoides;Ascaris suum;Comparative analysis
期刊名称:BMC VETERINARY RESEARCH ( 影响因子:2.741; 五年影响因子:2.955 )
ISSN: 1746-6148
年卷期: 2014 年 10 卷
页码:
收录情况: SCI
摘要: Background: The parasitic nematodes Ascaris lumbricoides and A. suum are of great public health and economic significance, and the two taxa were proposed to represent a single species. miRNAs are known with functions of gene regulations at post-transcriptional level. Results: We herein compared the miRNA profiles of A. lumbricoides and A. suum female adults by Solexa deep sequencing combined with bioinformatics analysis and stem-loop real-time PCR. Using the A. suum genome as the reference genome, we obtained 171 and 494 miRNA candidates from A. lumbricoides and A. suum, respectively. Among which, 74 miRNAs were shared between the two taxa, 97 and 420 miRNAs were A. lumbricoides and A. suum specific. Target and function prediction revealed a significant set of targets which are related to ovarian message protein, vitellogenin and chondroitin proteoglycan of the two nematodes. Enrichment analysis revealed that the percentages of most predicted functions of the miRNA targets were similar, with some taxon specific or taxon enhanced functions, such as different target numbers, specific functions ( NADH dehydrogenase and electron carrier functions), etc. Conclusions: This study characterized comparatively the miRNAs of adult A. lumbricoides and A. suum, and the findings provide additional evidence that A. lumbricoides and A. suum represent a single species. Due to the fast evolution nature of miRNAs and the different parasitic living conditions of humans and pigs, the phenomenon above might indicate a fast evolution of miRNAs of Ascaris in humans and pigs.
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