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Magnapure lc kit

Manufactured by Roche
Sourced in Germany

The Magnapure LC Kit is a laboratory equipment product designed for nucleic acid purification. It utilizes magnetic bead technology to facilitate the extraction and purification of DNA or RNA samples. The kit provides a streamlined workflow and is suitable for use in various applications that require high-quality nucleic acid preparations.

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3 protocols using magnapure lc kit

1

SARS-CoV-2 Infection Assay in Vero E6 Cells

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10,000 Vero E6 cells per well were seeded into 24-well plates, treated with DMSO or MTX and infected with SARS-CoV-2 as indicated. After 48 h, the cells were lysed with the Lysis Binding Buffer from the Magnapure LC Kit 03038505001 (Roche) containing > 3 M guanidine thiocyanate (GTC), and ATP levels were quantified by adding luciferase as well as luciferin to a 1 µl sample of the lysate, using 100 µl of the CellTiter-Glo® Luminescent Cell Viability Assay solution (Promega), followed by luminometry using a Centro LB 960 luminometer (Berthold).
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2

Rapid RSV Genome Sequencing from Nasal Samples

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Nucleic acids were extracted from RSV-positive nasal specimens using the MagNA Pure LC kit (Roche Diagnostics, Mannheim, Germany) as previously described (18 (link)). RSV subtyping and quantification were performed by multiplexed TaqMan RT-PCR analysis of the RSV N gene using RSV A and RSV B specific primer/probe mixes. Subsequently, subtype-specific RT-PCR was performed using the SuperScript IV one-step RT-PCR system (Invitrogen, Carlsbad, CA USA) to amplify 4 overlapping fragments covering the full RSV genome. The resultant 3.5 to 5.0 kb amplicons were pooled, purified from 1% agarose gels, used to construct libraries by means of the Nextera XT DNA Library Prep kit, and sequenced on a NextSeq 500 system (Illumina, San Diego, CA USA) (18 (link)).
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3

SARS-CoV-2 RNA Isolation and Quantification

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For RNA isolation, the SARS-CoV-2 containing cell culture supernatant was mixed (1:1 ratio) with the Lysis Binding Buffer from the Magnapure LC Kit # 03038505001 (Roche) to inactivate the virus. The viral RNA was isolated using Trizol LS, chloroform, and isopropanol. After washing the RNA pellet with ethanol, the isolated RNA was resuspended in nuclease-free water. Quantitative RT-PCR was performed according to a previously established RT-PCR assay involving a TaqMan probe (Corman et al., 2020) , to quantify virus yield. The following oligonucleotides were used for qRT-PCR, which amplify a genomic region corresponding to the envelope protein gene (26,141 -26,253), as described (Corman et al., 2020) .
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