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Genetic and epigenetic reprogramming in response to internal and external cues by induced transposon mobilization in Moso bamboo (2024)
Journal Article
Zou, L.-H., Zhu, B., Chen, Y., Lu, Y., Ramkrishnan, M., Xu, C., Zhou, X., Ding, Y., Cho, J., & Zhou, M. (2024). Genetic and epigenetic reprogramming in response to internal and external cues by induced transposon mobilization in Moso bamboo. New Phytologist, 244(5), 1916-1930. https://doi.org/10.1111/nph.20107

Summary Long terminal repeat retroelements (LTR-REs) have profound effects on DNA methylation and gene regulation. Despite the vast abundance of LTR-REs in the genome of Moso bamboo (Phyllostachys edulis), an industrial crop in underdeveloped countri... Read More about Genetic and epigenetic reprogramming in response to internal and external cues by induced transposon mobilization in Moso bamboo.

Molecular Mimicry of Transposable Elements in Plants (2024)
Journal Article
Chu, J., Newman, J., & Cho, J. (2024). Molecular Mimicry of Transposable Elements in Plants. Plant & Cell Physiology, https://doi.org/10.1093/pcp/pcae058

Transposable elements (TEs) are mobile DNA elements that are particularly abundant in the plant genomes. They have long been considered as junk DNA; however, a growing body of evidence suggests that TE insertions promote genetic diversity that is ess... Read More about Molecular Mimicry of Transposable Elements in Plants.

m6A RNA demethylase AtALKBH9B promotes mobilization of a heat-activated long terminal repeat retrotransposon in Arabidopsis (2023)
Journal Article
Fan, W., Wang, L., Lei, Z., Li, H., Chu, J., Yan, M., Wang, Y., Wang, H., Yang, J., & Cho, J. (2023). m6A RNA demethylase AtALKBH9B promotes mobilization of a heat-activated long terminal repeat retrotransposon in Arabidopsis. Science Advances, 9(48), Article eadf3292. https://doi.org/10.1126/sciadv.adf3292

Transposons are mobile and ubiquitous DNA molecules that can cause vast genomic alterations. In plants, it is well documented that transposon mobilization is strongly repressed by DNA methylation; however, its regulation at the posttranscriptional le... Read More about m6A RNA demethylase AtALKBH9B promotes mobilization of a heat-activated long terminal repeat retrotransposon in Arabidopsis.

The CARBON CATABOLITE REPRESSION 4A ‐mediated RNA deadenylation pathway acts on the transposon RNAs that are not regulated by small RNAs (2023)
Journal Article
Wang, L., Li, H., Lei, Z., Jeong, D., & Cho, J. (2024). The CARBON CATABOLITE REPRESSION 4A ‐mediated RNA deadenylation pathway acts on the transposon RNAs that are not regulated by small RNAs. New Phytologist, 241(4), 1636-1645. https://doi.org/10.1111/nph.19435

Summary: Transposable elements (TEs) are mobile genetic elements that can impair the host genome stability and integrity. It has been well documented that activated transposons in plants are suppressed by small interfering (si) RNAs. However, transpo... Read More about The CARBON CATABOLITE REPRESSION 4A ‐mediated RNA deadenylation pathway acts on the transposon RNAs that are not regulated by small RNAs.

Transposable element-initiated enhancer-like elements generate the subgenome-biased spike specificity of polyploid wheat (2023)
Journal Article
Xie, Y., Ying, S., Li, Z., Zhang, Y., Zhu, J., Zhang, J., …Zhang, Y. (2023). Transposable element-initiated enhancer-like elements generate the subgenome-biased spike specificity of polyploid wheat. Nature Communications, 14(1), Article 7465. https://doi.org/10.1038/s41467-023-42771-9

Transposable elements (TEs) comprise ~85% of the common wheat genome, which are highly diverse among subgenomes, possibly contribute to polyploid plasticity, but the causality is only assumed. Here, by integrating data from gene expression cap analys... Read More about Transposable element-initiated enhancer-like elements generate the subgenome-biased spike specificity of polyploid wheat.

Specific suppression of long terminal repeat retrotransposon mobilization in plants (2022)
Journal Article
Brestovitsky, A., Iwasaki, M., Cho, J., Adulyanukosol, N., Paszkowski, J., & Catoni, M. (2023). Specific suppression of long terminal repeat retrotransposon mobilization in plants. Plant Physiology, 191(4), 2245-2255. https://doi.org/10.1093/plphys/kiac605

The tissue culture passage necessary for the generation of transgenic plants induces genome instability. This instability predominantly involves the uncontrolled mobilization of LTR retrotransposons (LTR-TEs), which are the most abundant class of mob... Read More about Specific suppression of long terminal repeat retrotransposon mobilization in plants.