ArticleParasites & vectors2023
Domain definition and preliminary functional exploration of the endonuclease NOBP-1 in Strongyloides stercoralis.
Article in Parasites & vectors, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 0 citations in OpenAlex.
- Transgenesis and targeted mutagenesis in the human-parasitic nematodeFrontiers in parasitology · 2026Review
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7 authors at 2 institutions in 1 country.
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Abstract
backgroundRibosome biogenesis is the process of assembling ribosome complexes that regulate cell proliferation and differentiation with potential regulatory effects on development. Many factors regulate ribosome biological processes. Nin one binding protein (Nob1) has received widespread attention as key genes regulating ribosome biogenesis-the 3' end of the 20S rRNA is cleaved by Nob1 at cleavage site D to form 18S rRNA, generating translationally capable 40S subunit. As a ribosome biogenesis factor, Nob1 may regulate the development of organisms, but almost nothing is known about the function of Nob1 for any parasitic nematode. We explored the functional role of NOBP-1 (the homologous gene of Nob1) encoding gene from a parasitic nematode-Strongyloides stercoralis.
methodsThe full-length cDNA, gDNA and promoter region of Ss-nobp-1 was identified using protein BLAST in WormBase ParaSite according to the Caenorhabditis elegans NOBP-1 sequence to analyze the gene structure. RNA sequencing (RNA-seq) data in wormbase were retrieved and analyzed to assess the transcript abundance of Ss-nobp-1 in seven developmental stages of S. stercoralis. The standard method for gonadal microinjection of constructs was carried out to determine the anatomic expression patterns of Ss-nobp-1. The interaction between Ss-NOBP-1 and partner of NOBP-1 (Ss-PNO-1) was assessed by yeast two-hybridization and bimolecular fluorescence complementarity (BiFC) experiments.
resultsThe NOBP-1 encoding gene Ss-nopb-1 from the zoonotic parasite S. stercoralis has been isolated and characterized. The genomic DNA representing Ss-nobp-1 includes a 1599-bp coding region and encodes a protein comprising 403 amino acids (aa), which contains conserved PIN domain and zinc ribbon domain. RNA-seq analysis revealed that Ss-nobp-1 transcripts are present throughout the seven developmental stages in S. stercoralis and have higher transcription levels in iL3, L3 and P Female. Ss-nobp-1 is expressed mainly in the intestine of transgenic S. stercoralis larvae, and there is a direct interaction between Ss-NOBP-1 and Ss-PNO-1.
conclusionsCollectively, Ss-NOBP-1 has a potential role in embryo formation and the infective process, and findings from this study provide a sound foundation for investigating its function during the development of parasitic nematode.
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