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Phusion high fidelity pcr kit

Manufactured by Thermo Fisher Scientific
Sourced in United States

The Phusion High-Fidelity PCR Kit is a ready-to-use solution for high-fidelity DNA amplification. It contains a proprietary high-fidelity DNA polymerase optimized for accurate DNA replication with enhanced proofreading capabilities.

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57 protocols using phusion high fidelity pcr kit

1

Oligonucleotide Synthesis and Purification Protocols

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All synthetic oligonucleotides were purchased from Eurofins. PCR primers were desalted, DNAzymes were purified by Eurofins proprietary High Purity Salt Free reverse phase cartridge purification system and short RNA substrates were purified by HPLC. RNase-free ultrapure water was produced using a Milli-Q Advantage A10 Water Purification System equipped with a BioPak® Polisher from Merck Millipore. Phusion High-Fidelity PCR kit and TranscriptAid T7 High Yield Transcription kit were from Life Technologies. 4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid (HEPES), sodium chloride, manganese chloride tetrahydrate, formamide, bromophenol blue, 40% 19:1 acrylamide/bis-acrylamide, N,N,N′,N′-tetramethylethylenediamine, ammonium persulfate, urea, agarose, ethidium bromide and phenol:chloroform:isoamyl alcohol 25:24:1 pH 8.0 was purchased from Sigma-Aldrich. Ethylenediaminetetraacetic acid (EDTA) and sodium dodecyl sulfate (SDS) were from Scharlau. Boric acid was from VWR. Klorrent bleach was from Nilfisk. The nucleic acid dyes SYTO 61, PO-PRO 1, DRAQ5, Hoechst 33258, DAPI, Propidium iodide and PicoGreen were all from Life Technologies. GelRed was from Biotium. ethidium bromide was from Sigma.
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2

Customized Donor Template for CRISPR-Cas9

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Plasmid donor templates and guide RNA (gRNA) were custom-designed with sequences verified by System Biosciences (SBI). The customised donor template contained a 5′ homology arm, LoxP site, EF1 promoter, reporter genes (eGFP with puromycin resistance gene), a second LoxP site, point of mutation, 3′ homology arm and another reporter gene (extra reporter: PGK promoter with human herpes simplex virus thymidine kinase type 1 gene (HSVtk)). The customised donor template was modified with restriction enzymes from Roche Diagnostics Ltd., Phusion high-fidelity PCR kit (catalogue number F553S, Life Technologies Ltd.) and Mighty Mix DNA Ligation Kit (catalogue number 6023, Takara Bio Europe SAS) to change the puromycin resistance gene to a blasticidin resistance gene amplified from the PSF-CMV-BLAST plasmid (catalogue number OGS588, Sigma-Aldrich Company Ltd.) to create the second donor DNA plasmid. All cloning steps were performed according to manufacturers’ protocols.
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3

Backcrossing wild-type Drosophila rab mutants

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Serial backcrossing to a wild type (yw) background was performed for three consecutive generations. The single rab mutants as well as the respective balancer chromosomes, used to generate the final stocks, were backcrossed to the same genetic background. All mutant alleles, except rab3 and rab32, could be traced by their red fluorescent marker. Where direct tracing was not possible, backcrossing was performed ‘blindly’ and after three generations roughly 100 separate single (fe-)male stocks were generated and subsequently sequenced to identify the backcrossed rab3 and rab32 mutants.
The genomic DNA was amplified using the Phusion High-Fidelity PCR Kit (Thermo Fisher Scientific) with the following primers for rab3 (Fwd: 5’-ACACTGAGGCGAGCTTACGC and Rev: 5’- CTACTACCGAGGAGCGATGGG) and rab32 (Fwd: 5’-GTAGACACGGGTCATGTTGCC and Rev: 5’-accagcaaatctcagtgcgg). The amplified DNA was extracted from agarose gel, cleaned using the NucleoSpin Gel and PCR Clean-up kit (Macherey-Nagel) and send for sequencing to Microsynth Seqlab GmbH (Göttingen, Germany). Sequencing results were visualized using SnapGene (GSL Biotech LLC). All primers were designed with SnapGene (GSL Biotech LLC).
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Genomic DNA extraction and TTN mutation analysis

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Genomic DNA was extracted from iPSCs using the DNeasy Blood & Tissue Kit (Qiagen) according to the manufacturer’s instructions. The primers were designed to include the TTN mutation site of each iPSC line (primers are listed in Table 2). Then the PCR was performed using a Phusion High-Fidelity PCR Kit (Thermo Fisher). The purified PCR products were subjected to Sanger sequencing.
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5

Identification of Nanometal-Producing Streptomyces

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Isolates with high productivity of nanometals were identified by amplification and sequencing of the 16S rRNA gene. Spore suspensions of the tested Streptomyces isolates were prepared in sterile water. The spores were boiled for 10 min at 95 °C. The spore suspension was centrifuged at 6000 rpm and the cell lysate was transferred to another tube and kept at −20 °C [87 (link)]. PCR reaction mixture was performed using Phusion High-Fidelity PCR Kit (Thermo Scientific, Waltham, MA, USA) according to the manufacturers’ instructions and primer pairs 16S rRNA for (AGAGTTTGATCCTGGCTCAG) and 16S rRNA rev (AGAAAGGAGGTGATCCAGCC). As a negative PCR control, the reaction of PCR master mix without DNA temple was also performed. The conditions of PCR included an initial denaturation cycle at 95 °C for 2 min, repeated 35 cycles at 95 °C for 30 s, 47 °C for 30 s, and 72 °C for 30 s, and a final extension cycle at 72 °C for 10 min. The resulting PCR products were purified and sequenced [88 (link),89 (link)].
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Bacterial DNA Extraction and 16S rRNA Gene Amplification

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Total bacterial DNA was extracted from 180–220 mg fecal material using QIAamp DNA Stool Mini Kit (Qiagen, US) according to manufacturer's instructions. DNA concentrations were determined by BioDrop (BioDrop, UK). The 200 bp of the hypervariable V2-V3 regions of the bacterial 16S ribosomal RNA (rRNA) gene were amplified using polymerase chain reaction (PCR) with universal bacterial primers HDA1-GC (5ʹ-CGCCCGGGGCGCGCCCCGGGCGGGGCGGGGGCACGGGGGGACTCCTACGGGAGGCAGCAGT-3ʹ; the GC clamp in boldface) and HDA2 (5ʹ-GTATT CCGCGGCTGCTGGCAC-3ʹ). PCR was performed in 0.2-ml tubes using a high-performance PCR amplification system (Bio-Rad, US). For the amplification of the target DNA sequence, the reaction mixture (20 μl) Phusion High-Fidelity PCR Kit (Thermo, US) was used. PCR reactions were performed under the following PCR conditions: one cycle of initial denaturation at 98 °C for 30 s, followed by 35 cycles of denaturation at 98 °C for 10 s, annealing at 55 °C for 30 s and extension at 72 °C for 15 s and final extension at 72 °C for 10 min [38] .
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7

LMNA Variant Identification via iPSC DNA

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iPSC genomic DNA (passages 11–13) was isolated using DNeasy Blood & Tissue Kit (Qiagen) according to manufacturer’s instructions and amplified by the Phusion High-Fidelity PCR Kit (Thermo Fisher). PCR primers were designed based on the region of DNA which contains the LMNA variant based on ClinVar information. DNA fragments (280 bp) spanned by primers were amplified by the Phusion High-Fidelity PCR Kit (NEB). PCR reaction ran under the following conditions: 95°C at 5 min, 95°C at 15 s, 60°C at 10 s, 72°C at 1 min for 40 cycles, and 72°C at 10 min. Sanger sequencing was performed by MCLAB and sequencing data was aligned with SnapGene software.
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8

PCR Amplification of BFP from HEK Cells

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bfp was amplified from 900 ng HEK-BFP via PCR according to the published literature and manufacturer’s protocols. The forward and reverse primer sequences were TGTCCGGCGAGGGCGAGGGCGAT and CGTCCTTGAAGAAGATGGTGCGC, respectively36 (link). The following thermal cycler PCR protocol was used with a Phusion High-Fidelity PCR Kit (Thermo Fisher Scientific): (1) 98 °C for 30 s; (2) 98 °C for 10 s; (3) 63.5 °C for 10 s; (4) 72 °C for 10 s; (5) 72 °C for 2 min; (6) hold at 4 °C; and (7) repeat steps (2)–(4) 30×. For PCR in the presence of HEK DNA contamination, bfp was amplified from a mixture of 900 ng of HEK-BFP and 900 ng of HEK DNA. As a negative control, PCR was also performed on 900 ng of HEK DNA.
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9

Nematode Species Identification via ITS2 Sequencing

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The internal transcribed spacer region 2 (ITS2) of whole nematode isolates was Sanger sequenced to confirm morphological species identifications (Supplementary Table 1). ITS2 was amplified using previously published nematode-specific primers, with 5′- AGTGCGAATTGCAGACGCATTGAG-3′ as the forward primer and 5′- AGCGGGTAATCACGACTGAGTTGA-3′ as the reverse primer (Rishniw et al., 2006 (link)). Amplification was done using Thermo Fisher Scientific's Phusion High-Fidelity PCR Kit (Waltham, MA, USA) under the following conditions: 98 °C for 3 min as an initial denaturing step; followed by 35 cycles of 98 °C for 30 s for denaturing, 60 °C for 30 s for annealing, and 72 °C for 1 min for extension; and a final extension of 72 °C for 10 min. PCR products were Sanger sequenced using Thermo Fisher Scientific's BigDye™ Terminator v3.1 Cycle Sequencing Kit (Waltham, MA, USA) following the manufacturer's protocol. Sequences were compared to the GenBank database using NCBI's BLASTn to confirm the species identity of the nematode samples (Altschul et al., 1990 (link); Sayers et al., 2019 (link)).
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10

Engineered Fluorescent mGluR Constructs

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All SNAP- and CLIP-tagged mGluR clones were made by modifying previously reported constructs (Doumazane et al., 2011 (link)). The LBD constructs were made by introducing a stop codon at R521 for mGluR1 (human), A497 for mGluR2 (rat), T506 for mGluR3 (rat), R517 for mGluR4 (human), R507 for mGluR5 (rat), and S520 for mGluR7 (rat). C-terminally GFP-tagged mGluR constructs with a flexible 16 aa linker (TSGGSGGSRGSGGSGG) were made using a Gibson assembly kit (NEB). Mutations were introduced by site directed mutagenesis using Phusion High-Fidelity PCR Kit (Thermo Scientific).
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