Global survey of miRNAs and tRNA-derived small RNAs from the human parasitic protist Trichomonas vaginalis
| العنوان: | Global survey of miRNAs and tRNA-derived small RNAs from the human parasitic protist Trichomonas vaginalis |
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| المؤلفون: | Hong-Chang Zhou, Zeng-Lei Wang, Heng Wang, Xiao Hao, Zhi-Hua Wang, Zhensheng Wang, Lianhui Zhang, Chunyan Wei, Jing-Zhong Li |
| المصدر: | Parasites & Vectors, Vol 14, Iss 1, Pp 1-10 (2021) Parasites & Vectors |
| بيانات النشر: | BMC, 2021. |
| سنة النشر: | 2021 |
| مصطلحات موضوعية: | 0301 basic medicine, Small RNA, tRNA-derived small RNAs, 030231 tropical medicine, Trichomonas, Trichomonas Infections, medicine.disease_cause, lcsh:Infectious and parasitic diseases, Evolution, Molecular, Transcriptome, 03 medical and health sciences, 0302 clinical medicine, RNA, Transfer, tRFs, microRNA, medicine, Trichomonas vaginalis, Animals, Humans, tRNA-halves, lcsh:RC109-216, Trichomoniasis, Genetics, biology, Research, High-Throughput Nucleotide Sequencing, RNA, biology.organism_classification, medicine.disease, MicroRNAs, 030104 developmental biology, Infectious Diseases, Transfer RNA, RNA, Small Untranslated, Parasitology, Genome, Protozoan, RNA, Protozoan |
| الوصف: | Background Small non-coding RNAs play critical regulatory roles in post-transcription. However, their characteristics in Trichomonas vaginalis, the causative agent of human sexually transmitted trichomoniasis, still remain to be determined. Methods Small RNA transcriptomes from Trichomonas trophozoites were deep sequenced using the Illumina NextSeq 500 system and comprehensively analyzed to identify Trichomonas microRNAs (miRNAs) and transfer RNA (tRNA)-derived small RNAs (tsRNAs). The tsRNA candidates were confirmed by stem-loop quantitative reverse transcription-PCR, and motifs to guide the cleavage of tsRNAs were predicted using the GLAM2 algorithm. Results The miRNAs were found to be present in T. vaginalis but at an extremely low abundance (0.0046%). Three categories of endogenous Trichomonas tsRNAs were identified, namely 5′tritsRNAs, mid-tritsRNAs and 3′tritsRNAs, with the 5′tritsRNAs constituting the dominant category (67.63%) of tsRNAs. Interestingly, the cleavage site analysis verified both conventional classes of tRNA-derived fragments (tRFs) and tRNA-halves in tritsRNAs, indicating the expression of tRNA-halves in the non-stress condition. A total of 25 tritsRNAs were experimentally confirmed, accounting for 78.1% of all tested candidates. Three motifs were predicted to guide the production of tritsRNAs. The results prove the expression of tRFs and tRNA-halves in the T. vaginalis transcriptome. Conclusions This is the first report of genome-wide investigation of small RNAs, particularly tsRNAs and miRNAs, from Trichomonas parasites. Our findings demonstrate the expression profile of tsRNAs in T. vaginalis, while miRNA was barely detected. These results may promote further research aimed at gaining a better understanding of the evolution of small non-coding RNA in T. vaginalis and their functions in the pathogenesis of trichomoniasis. Graphical Abstract |
| اللغة: | English |
| تدمد: | 1756-3305 |
| الوصول الحر: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ca3c2efb3283e98956c80db397deee3fTest https://doaj.org/article/76d4272dbeab4821b0eadcb5f245c065Test |
| حقوق: | OPEN |
| رقم الانضمام: | edsair.doi.dedup.....ca3c2efb3283e98956c80db397deee3f |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 17563305 |
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