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Showing 1–6 of 6 results
Advanced filters: Author: Dacheng Tian Clear advanced filters

  • Time-reversal invariant topological states in twisted 2D semiconductors have been previously reported, but their direct visualization in real space has remained elusive. Here, the authors report scanning tunnelling microscopy/spectroscopy measurements of twisted bilayer InSe, showing the formation of magnetic-field sensitive topological edge modes at the moiré domain boundary.

    • Dacheng Tian
    • Shengdan Tao
    • Lan Chen
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-9

  • The genomic locations that can be targeted for editing by CRISPR are limited by the presence of the nuclease-specific PAM sequence. Here, the authors show PAM recognition can be expanded by replacing the key region in the PAM interaction domain of SaCas9 with the corresponding region of SaCas9 orthologs.

    • Dacheng Ma
    • Zhimeng Xu
    • Zhen Xie
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-9

  • Recent genomic efforts have demonstrated that large chunks of DNA differ between individuals in many species. Insertions or deletions of larger blocks cause single-nucleotide changes to their immediate vicinity, and population genetic models should take into account the 'mutator' effect of these insertions or deletions.

    • Dacheng Tian
    • Qiang Wang
    • Jian-Qun Chen
    Research
    Nature
    Volume: 455, P: 105-108

  • Mutation rates vary within genomes; here, by calling mutation events directly using a parent–offspring sequencing strategy in Arabidopsis, replicated in the rice and honey bee genomes, mutation rates are found to be higher in heterozygotes and in proximity to crossover events.

    • Sihai Yang
    • Long Wang
    • Dacheng Tian
    Research
    Nature
    Volume: 523, P: 463-467