Core Viewpoint - Synthetic biology aims to "synthesize and design life," with significant advancements in genome synthesis and assembly, particularly in higher organisms, despite facing challenges related to repetitive sequences and cross-species DNA transfer [1][2]. Group 1: Technological Breakthroughs - Tianjin University's team achieved the first precise assembly and cross-species delivery of megabase-scale human DNA, marking a significant milestone in synthetic biology [2]. - The newly developed SynNICE technology enables the precise assembly of highly repetitive human genomic sequences in yeast and facilitates the efficient transfer of synthetic DNA into mouse embryos [3][5]. Group 2: Research Findings - The study successfully demonstrated de novo DNA methylation patterns in mouse embryos, indicating that the synthetic genome can be recognized and modified by the host cell environment [5][7]. - A hierarchical assembly strategy was employed to synthesize a 1.14 Mb region of the human Y chromosome, which is crucial for understanding male infertility [3][7]. Group 3: Implications for Disease Treatment - The research opens new avenues for treating chromosomal abnormalities and could lead to innovative therapeutic strategies for related diseases [7][9]. - The potential for using genetically modified pigs as organ donors for humans could be enhanced, addressing the global organ shortage issue by improving the longevity of transplanted organs [9][10]. Group 4: Future Prospects - The SynNICE technology platform is expected to facilitate large-scale genomic modifications, potentially transforming organ transplantation practices and enhancing the understanding of genetic diseases [11][12]. - The advancements in synthetic genome assembly and transfer techniques are anticipated to propel the field of synthetic biology forward, providing new models for studying epigenetic modifications and chromosomal disorders [10][11].