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4 protocols using deoxyribonucleoside triphosphates

1

RT-LAMP Assay for Nucleic Acid Detection

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The RT-LAMP assay was adapted from the work by Curtis et al. [17 (link)]. Reaction concentrations of buffers
were 1× isothermal amplification buffer, 1.4m mol·L
−1 deoxyribonucleoside triphosphates (dNTPs), and 10
mmol·L−1 MgSO4 from New England
Biolabs, and 0.4 mol ·L −1 betaine from
Sigma-Aldrich. In some cases, where indicated, 0.8
mol·L−1 betaine was used. These reaction
buffer components were prepared in appropriate ratios in bulk and stored at
−20 °C between experiments. Enzymes and DNA intercalating
dye were added separately to this buffer mix for a complete master mix that
was freshly prepared for each experiment. The RT-LAMP enzymes used in the
reaction were 0.64 U· µL
−1Bst 2.0 DNA polymerase and 0.08
U· µL−1 AMV reverse transcriptase fro m
New Engl and Biolabs. 1× EvaGreen from Biotium, a double-stranded
DNA (dsDNA) intercalating dye, was included in the reaction for the
detection of reaction products.
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2

RT-LAMP Assay for Nucleic Acid Detection

Check if the same lab product or an alternative is used in the 5 most similar protocols
The RT-LAMP assay was adapted from the work by Curtis et al. [17 (link)]. Reaction concentrations of buffers
were 1× isothermal amplification buffer, 1.4m mol·L
−1 deoxyribonucleoside triphosphates (dNTPs), and 10
mmol·L−1 MgSO4 from New England
Biolabs, and 0.4 mol ·L −1 betaine from
Sigma-Aldrich. In some cases, where indicated, 0.8
mol·L−1 betaine was used. These reaction
buffer components were prepared in appropriate ratios in bulk and stored at
−20 °C between experiments. Enzymes and DNA intercalating
dye were added separately to this buffer mix for a complete master mix that
was freshly prepared for each experiment. The RT-LAMP enzymes used in the
reaction were 0.64 U· µL
−1Bst 2.0 DNA polymerase and 0.08
U· µL−1 AMV reverse transcriptase fro m
New Engl and Biolabs. 1× EvaGreen from Biotium, a double-stranded
DNA (dsDNA) intercalating dye, was included in the reaction for the
detection of reaction products.
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3

Streptococcus pyogenes Genetic Manipulation

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Streptococcus pyogenes (product # M0646), T7 Endonuclease I (product # M0302), Ribonucleotide solution mix (NTPs) and deoxy-ribonucleoside triphosphates (dNTPs) were purchased from New England Biolabs (USA). Transcript Aid T7 High Yield Transcription kit (product # K0441) and Glycogen (product # R0561) were purchased from Thermo Fisher Scientific. Pyrobest™ DNA Polymerase and PrimeSTAR HS DNA Polymerase were purchased from TaKaRa Shuzo Co. Ltd. (Tokyo, Japan). DNA Clean & Concentrator™-5 kit (product # D4014) was purchased from Zymo Research Corp. The DNeasy Blood & Tissue Kit was purchased from QIAGEN. The oligonucleotides at HPLC purity were obtained from TaKaRa company (Dalian, China). The nucleic acid stains Super GelRed (NO.: S-2001) was bought from US Everbright Inc. (Suzhou, China). Thiazolyl Blue Tetrazolium Bromide (MTT, CAS # 298-93-1) were purchased from Sigma-Aldrich Inc. (Shanghai, China). DPBS (CAS # 63995-75-5) was purchased from TCI (Shanghai) Development Co., Ltd.
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4

CRISPR-Cas9 Enzymatic Cleavage Protocol

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Cas9 Nuclease, Streptococcus pyogenes (product# M0646), T7 Endonuclease I (product# M0302) Ribonucleotide solution mix (NTPs) and deoxy-ribonucleoside triphosphates (dNTPs) were purchased from New England Biolabs (USA). Transcript Aid T7 High Yield Transcription kit (product# K0441) and Glycogen (product# R0561) were purchased from Thermo Fisher Scientific. Pyrobest™ DNA Polymerase and PrimeSTAR HS DNA Polymerase were purchased from TaKaRa Shuzo Co. Ltd. (Tokyo, Japan). DNA Clean & Concentrator™-5 kit (product# D4014) was purchased from Zymo Research Corp. The DNeasy Blood & Tissue Kit was purchased from QIAGEN. The oligonucleotides at HPLC purity were obtained from TaKaRa company (Dalian, China). The nucleic acid stains Super GelRed (NO.: S-2001) was bought from US Everbright Inc. (Suzhou, China). DPBA (CAS# 17261-28-8), TCEP (CAS# 51805-45-9), 4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid (HEPES, CAS# 7365-45-9) and Thiazolyl Blue Tetrazolium Bromide (MTT, CAS# 298-93-1) were purchased from Sigma-Aldrich Inc. (Shanghai, China). DPBS (CAS# 63995-75-5) was purchased from TCI Development Co., Ltd (Shanghai). The pH was measured with Mettler Toledo, FE20-Five Easy™ pH (Mettler Toledo, Switzerland). The concentration of DNA or RNA was quantified by NanoDrop 2000c (Thermo Fisher Scientific, USA). Gel Imaging was performed using Pharos FX Molecular imager (Bio-Rad, USA).
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