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Superscript reverse transcriptase system

Manufactured by Thermo Fisher Scientific
Sourced in United States

The SuperScript Reverse Transcriptase system is a laboratory equipment product designed for the reverse transcription of RNA into complementary DNA (cDNA). It provides a reliable and efficient tool for the conversion of RNA into cDNA, which is a crucial step in many molecular biology and genetic research applications.

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4 protocols using superscript reverse transcriptase system

1

Quantifying Gene Expression via qPCR

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Cells were seeded and grown in 6-well plates until reaching 80% confluence; we incubated the cells at the time and zinc concentration indicated. Total RNA from cells was extracted using a NucleoSpin RNA isolation kit (Macherey-Nagel, Düren, Germany). RNA was measured using a NanoDrop 1000 spectrophotometer (Thermo Scientific, Waltham, MA, USA). cDNA generation was conducted using a SuperScript Reverse Transcriptase system (Invitrogen, Waltham, MA, USA). Quantitative PCR was performed using SYBR Green (Applied Biosystems, Waltham, MA, USA) in the QuantStudio 12K system (Applied Biosystems, Waltham, MA, USA). Primers are listed in Table 1.
Relative mRNA abundance was calculated using the ΔΔCT method and plotted as indicated.
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2

Quantitative RT-PCR for Viral RNA

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Viral RNA was extracted using TRIzol reagent (Invitrogen, Carlsbad, CA, USA) according to the manufacturer’s protocol. 11 µL of RNA (out of total 50 µL of RNA) was utilized for the cDNA synthesis with SuperScript Reverse Transcriptase system (Invitrogen). Two µL of 1:3 diluted synthesized cDNA was used for RT-qPCR analysis using Green-2-Go qPCR master mix (Bio Basic, New York, NY, USA) with primers Ex8_5a (TTGCTCAATGCCACAGCCAT) and Ex8_3a (TTTGACCACTTGCCACCCAT). pNL4-3 plasmid DNA was utilized as a standard. PCR amplifications were performed on an AriaMx Real-time PCR System (Agilent, Santa Clara, CA, USA) for thermal cycling and SYBR detection with two replicates for each sample. The quantification of the viral samples was determined by comparing the cycle threshold (Cq) value based on the standard curve generated by the known pnL4-3 plasmid DNA samples amount.
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3

Quantification of ZnT9 Isoform Expression

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Cells transfected with either ZnT9-50Met, ZnT9-50Val, or empty pCDNA3 vectors were grown in 6-well plates and incubated for 24 hours. Total RNA was extracted from cells using Macherey-Nagel total RNA extraction kit. RNA was measured using a NanoDrop 1000 spectrophotometer (Thermo Fisher). cDNA was generated using a SuperScript Reverse Transcriptase system (Invitrogen). Quantitative PCR was performed using SYBR Green (Applied Biosystems) in the QuantStudio 12K system (Applied Biosystems). Primers are listed in S20 Table.
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4

ZIKV RNA Quantification by RT-qPCR

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RNA was extracted using Trizol Reagent (Invitrogen) according to the manufacturer’s protocol. 11 µl of RNA (out of total 50 µl of RNA) was used for cDNA synthesis with SuperScript Reverse Transcriptase system (Invitrogen, California, USA). 2 µl of (1:3 diluted) synthesized cDNA was used for RT-qPCR analysis using Green-2-Go qPCR mastermix (Bio Basic, New York, USA.) with a pair of primers specific for NR–50355 and NR-50245 genomic sequences (5′-GCAAACTGTCGTGGTTCTAG-3′, 5′-CTTTGCACCATCCATCTCAG-3′). Synthesized DNA from a conserved 429 nt region of the ZIKV genome was used as standard. PCR amplifications were performed on an AriaMx Real-time PCR System (Agilent, California, USA) for thermal cycling and SYBR detection with three technical replicates for each sample. The quantification of the ZIKV samples was determined by comparing the cycle threshold (Cq) value based on the standard curve generated by the known DNA samples amount.
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