ArticleDevelopment, growth & differentiation2012
Identification of 3'UTR sequence elements and a teloplasm localization motif sufficient for the localization of Hro-twist mRNA to the zygotic animal and vegetal poles.
Article in Development, growth & differentiation, 2012. 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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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed, 5 citations in OpenAlex.
- Functional 5' UTR motif discovery with LESMoN: Local Enrichment of Sequence Motifs in biological Networks.Nucleic acids research · 2017Article
- Spatiotemporal expression of a twist homolog in the leech Helobdella austinensis.Development genes and evolution · 2017Article
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
Abstract
The early localization of mRNA transcripts is critical in sorting cell fate determinants in the developing embryo. In the glossiphoniid leech, Helobdella robusta, maternal mRNAs, such as Hro-twist, localize to the zygotic teloplasm. Ten seven nucleotide repeat elements (AAUAAUA) called ARE2 and a predicted secondary structural motif, called teloplasm localization motif (TLM), are present in the 3'UTR of Hro-twist mRNA. We used site-directed mutagenesis, deletions, and microinjection of labeled, exogenous transcripts to determine if ARE2 elements, and the TLM, play a role in Hro-twist mRNA localization. Deleting the poly-A tail and the cytoplasmic polyadenylation element (CPE) had no effect on Hro-twist mRNA localization. Site-directed mutagenesis of nucleotides that altered ARE2 element sequences or the TLM suggest that the ARE2 elements and the TLM are important for Hro-twist mRNA localization to the teloplasm of pre-cleavage zygotes. Hro-Twist protein expression data suggest that the localization of Hro-twist transcripts in zygotes and stage two embryos is not involved in ensuring mesoderm specification, as Hro-Twist protein is expressed uniformly in most cells before gastrulation. Our data may support a shared molecular mechanism for leech transcripts that localize to the teloplasm.
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Registered trials
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