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Large-scale Genomic Rearrangements Boost Scramble in Saccharomyces Cerevisiae
论文题目: Large-scale Genomic Rearrangements Boost Scramble in Saccharomyces Cerevisiae
作者: Li Cheng, Shijun Zhao, Tianyi Li, Sha Hou, Zhouqing Luo, Jinsheng Xu, Wenfei Yu, Shuangying Jiang, Marco Monti, Daniel Schindler, Weimin Zhang, Chunhui Hou, Yingxin Ma, Yizhi Cai, Jef D Boeke, Junbiao Dai
联系作者: daijunbiao@caas.cn
发表年度: 2024
DOI: DOI: 10.1038/s41467-023-44511-5
摘要:

Synthetic Chromosome Rearrangement and Modification by LoxP-mediated Evolution (SCRaMbLE) is a promising tool to study genomic rearrangements. However, the potential of SCRaMbLE to study genomic rearrangements is currently hindered, because a strain containing all 16 synthetic chromosomes is not yet available. Here, we construct SparLox83R, a yeast strain containing 83 loxPsym sites distributed across all 16 chromosomes. SCRaMbLE of SparLox83R produces versatile genome-wide genomic rearrangements, including inter-chromosomal events. Moreover, when combined with synthetic chromosomes, SCRaMbLE of hetero-diploids with SparLox83R leads to increased diversity of genomic rearrangements and relatively faster evolution of traits compared to hetero-diploids only with wild-type chromosomes. Analysis of the SCRaMbLEd strain with increased tolerance to nocodazole demonstrates that genomic rearrangements can perturb the transcriptome and 3D genome structure and consequently impact phenotypes. In summary, a genome with sparsely distributed loxPsym sites can serve as a powerful tool for studying the consequence of genomic rearrangements and accelerating strain engineering in Saccharomyces cerevisiae.

刊物名称: Nature Communications
论文出处: https://www.nature.com/articles/s41467-023-44511-5
影响因子: 16.6(2022IF)
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