Tag: LwaCas13a

Engineered LwaCas13a with enhanced collateral activity for nucleic acid detection

doi: 10.1038/s41589-022-01135-y. Online ahead of print. Jie Yang #  1 , Yang Song #  2   3 , Xiangyu Deng  4 , Jeffrey A Vanegas  1 , Zheng You  1 , Yuxuan Zhang  2   3 , Zhengyan Weng  2   3 , Lori Avery  5 , Kevin D Dieckhaus  6 , Advaith Peddi  4 , Yang Gao  7 , Yi Zhang  8…

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Frontiers | A Mutated Nme1Cas9 Is a Functional Alternative RNase to Both LwaCas13a and RfxCas13d in the Yeast S. cerevisiae

Introduction The clustered regularly interspaced short palindromic repeats (CRISPR)–CRISPR-associated (Cas) protein systems naturally exist in prokaryotes. They are RNA-mediated defense mechanisms to protect bacteria and archaea from invading nucleic acids (Barrangou et al., 2007). CRISPR–Cas systems are classified into two classes (1 and 2). Class 2 CRISPR–Cas require a single…

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CASCADE: Naked eye-detection of SARS-CoV-2 using Cas13a and gold nanoparticles

This article was originally published here Anal Chim Acta. 2022 May 1;1205:339749. doi: 10.1016/j.aca.2022.339749. Epub 2022 Mar 22. ABSTRACT The COVID-19 pandemic has brought to light the need for fast and sensitive detection methods to prevent the spread of pathogens. The scientific community is making a great effort to design…

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