ArticleMolecular genetics and genomics : MGG2011
Transposition behavior of nonautonomous a hAT superfamily transposon nDart in rice (Oryza sativa L.).
Article in Molecular genetics and genomics : MGG, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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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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1 citing paper in PubMed, 4 citations in OpenAlex.
- Zinc alleviates stroke development through autophagy-mediated modulation of immune microenvironment.Frontiers in immunology · 2025Article
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Authors and funding
2 authors at 1 institution in 2 countries.
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No grant is acknowledged in the PubMed record.
Abstract
Transposable elements (TEs) have a significant impact on the evolution of gene function and genome structures. An endogenous nonautonomous transposable element nDart was discovered in an albino mutant that had an insertion in the Mg-protoporphyrin IX methyltransferase gene in rice. In this study, we elucidated the transposition behavior of nDart, the frequency of nDart transposition and characterized the footprint of nDart. Novel independent nDart insertions in backcrossed progenies were detected by DNA blotting analysis. In addition, germinal excision of nDart occurred at very low frequency compared with that of somatic excision, 0-13.3%, in the nDart1-4(3-2) and nDart1-A loci by a locus-specific PCR strategy. A total of 253 clones from somatic excision at five nDart loci in 10 varieties were determined. nDart rarely caused deletions beyond target site duplication (TSD). The footprint of nDart contained few transversions of nucleotides flanking to both sides of the TSD. The predominant footprint of nDart was an 8-bp addition. Precise excision of nDart was detected at a rate of only 2.2%, which occurred at two loci among the five loci examined. Furthermore, the results in this study revealed that a highly conserved mechanism of transposition is involved between maize Ac/Ds and rice Dart/nDart, which are two-component transposon systems of the hAT superfamily transposons in plant species.
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