单细胞快速鉴定,现场活力和活力分析,以及基于基因组的益生菌产品源追踪
Jia Zhang1,2,3,4, Lihui Ren1,2,3,5, Lei Zhang1,2,3,6
1Single-Cell Center, CAS Key Laboratory of Biofuels, Shandong Key Laboratory of Energy Genetics, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences Qingdao Shandong China.
iMeta
|June 13, 2024
概括
一种名为单细胞识别,活力和活力测试和源追踪 (SCIVVS) 的新方法快速评估益生菌质量. 这种无培养方法分析单个细胞的物种,生存能力和遗传信息,确保产品的安全性和有效性.
科学领域:
- 微生物学 微生物学
- 频谱学是一种光谱学.
- 基因组学就是基因组学.
背景情况:
- 益生菌日益增长的市场需要有效的质量控制方法.
- 目前评估益生菌产品的方法通常是缓慢的,昂贵的,或缺乏全面性.
研究的目的:
- 开发一种快速,灵敏和具有成本效益的益生菌质量评估策略.
- 引入一种无培养,单细胞分辨方法,结合表型和基因组分析.
主要方法:
- 单细胞拉曼光谱 (SCRS) 分析用于物种识别和生存能力/活力评估.
- 单细胞拉曼激活细胞分类和测序用于基因组组装和源追踪.
- 开发一个集成的,自动化的SCIVVS工作流程.
主要成果:
- 使用SCRS对21种益生菌物种的数据库进行了93%的精度的物种级别识别.
- 精确量化细胞活力,代谢活力和细胞间异质性.
- 高质量的,基于单细胞的基因组组合,具有~99.40%的全基因组覆盖率.
- 集成的SCIVVS工作流在5小时内完成 (不包括测序).
结论:
- 与现有方法相比,SCIVVS提供了>20倍更快和>10倍更便宜的替代方案.
- 这种现象-基因组结合策略为细胞活力和异质性提供了前所未有的解决方案.
- SCIVVS代表了活细胞产品质量评估的新技术和数据框架.
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