ArticlePlant biotechnology journal2026
A Natural LTR Retrotransposon Insertion in the Promoter of GhNAC140-Dt Boosts Cotton Lint Yield.
Article in Plant biotechnology journal, 2026. 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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Who cites it
1 citing paper in PubMed.
- Genomic diversity and the domestication history of cotton (Proceedings of the National Academy of Sciences of the United States of America · 2026Article
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10 authors.
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Abstract
Transposable elements (TEs) are fundamental drivers of crop evolution and domestication. Whereas the underlying mechanisms of TE-mediated gene activation remain poorly understood. Lint percentage is an important yield component in cotton. Here, we report a retrotransposon insertion in the promoter of GhNAC140-Dt, a secondary wall NAC encoding gene, to promote the lint production by elevating its expression. We confirm that a 60 bp core cis-regulatory module within the TE's LTR (long terminal repeat) specifically recruits the transcription factor GhMYB46 and increases downstream genes' expression. GhNAC140-Dt overexpression activates the expressions of secondary cell wall development related genes, including GhCESA4-Dt, GhCESA4-At, and GhCOBL9-At, promotes cellulose deposition, and enhances lint percentage. This retrotransposon insertion massively emerges on the domestication transition from Gossypium hirsutum races to cultivated cotton accessions, with > 80% fixation in modern cultivars. This work deepens our understanding of TE-mediated gene activation; it also provides direct molecular evidence for "transposon-driven yield evolution" in crop domestication.
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