Comparative Analysis Of Microrna Expression P.rofiles Of Adult Schistosoma J aponicum Isolated From Water Buffalo And Yellow Cattle
文献类型: 外文期刊
作者: Yu, XG; Zhai, Q; Fu, ZQ; Hong, Y; Liu, JM; Li, H; Lu, K; Zhu, CG; Lin, JJ; Li, GQ
作者机构:
关键词: MicroRNA; Schistosoma japonicum; Deep sequencing; Water buffalo; Yellow cattle
期刊名称: PARASITES & VECTORS
ISSN: 1756-3305
年卷期: 2019 年 12 卷
页码:
收录情况: JCR(2021版)
摘要: BackgroundYellow cattle and water buffalo are important natural reservoir hosts and the main transmission sources of Schistosoma japonicum in endemic areas of China. The worms from the two hosts have marked differences in general worm morphology and ultrastructure, gene transcription and protein expression profiles.ResultsTo investigate microRNAs (miRNAs) involved in the regulation of schistosome development and survival, we compared miRNA expression profiles of adult schistosomes derived from yellow cattle and water buffalo by using high-throughput sequencing with Illumina Hiseq Xten. Schistosoma japonicum from water buffalo and yellow cattle yielded 63.78 million and 63.21 million reads, respectively, of which nearly 50% and 49% could be mapped to selected miRNAs in miRbase. A total of 206 miRNAs were identified, namely 79 previously annotated miRNAs of S. japonicum and 127 miRNAs that matched with the S. japonicum genome and were highly similar to the annotated miRNAs from other organisms. Among the 79 miRNAs, five (sja-miR-124-3p, sja-miR-219-5p, sja-miR-2e-3p, sja-miR-7-3p and sja-miR-3490) were significantly upregulated in the schistosomes from water buffalo compared with those from yellow cattle. A total of 268 potential target genes were predicted for these five differentially expressed miRNAs. Eleven differentially expressed targets were confirmed by qRT-PCR among 15 tested targets, one of which was further validated through dual-luciferase reporter assay. Among the 127 possible' S. japonicum miRNAs, ten were significantly differentially expressed in the schistosomes from these two hosts.ConclusionsThese results highlight the important roles of miRNAs in regulating the development and survival of schistosomes in water buffalo and yellow cattle and facilitate understanding of the miRNA regulatory mechanisms in schistosomes derived from different susceptible hosts.
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