A sequence-specific plasmonic loop-mediated isothermal amplification assay with orthogonal color readouts enabled by CRISPR Cas12a

被引:69
|
作者
Zhou, Rongxing [1 ]
Li, Yongya [2 ,3 ]
Dong, Tianyu [1 ,2 ,3 ]
Tang, Yanan [2 ]
Li, Feng [2 ,3 ]
机构
[1] Sichuan Univ, Biliary Surg Dept, West China Hosp, Chengdu, Sichuan, Peoples R China
[2] Sichuan Univ, Coll Chem, Minist Educ, Key Lab Green Chem & Technol, 29 Wangjiang Rd, Chengdu 610064, Sichuan, Peoples R China
[3] Brock Univ, Dept Chem, 1812 Sir Isaac Brock Way, St Catharines, ON L3S 3A1, Canada
关键词
NUCLEIC-ACID AMPLIFICATION; COLORIMETRIC DETECTION; GOLD NANOPARTICLES; DNA; DIAGNOSTICS; CIRCUITS;
D O I
10.1039/d0cc00397b
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Herein, we introduce a sequence-specific plasmonic loop-mediated isothermal amplification (LAMP) assay with dual, complementary color readouts enabled by CRISPR Cas12a. Using this assay, any double-stranded LAMP amplicon containing a 5 '-TTN PAM sequence can be recognized by Cas12a through a specific CRISPR RNA. The signal transduction is achieved using two orthogonal plasmonic systems mediated by Cas12a.
引用
收藏
页码:3536 / 3538
页数:3
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