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Wizard plus sv miniprep

Manufactured by Promega
Sourced in United States

The Wizard Plus SV Minipreps is a DNA purification system designed for the rapid and efficient isolation of plasmid DNA from bacterial cultures. It utilizes a silica-based membrane technology to capture and purify DNA, providing a simple and reliable method for DNA extraction.

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18 protocols using wizard plus sv miniprep

1

Sequencing Yeast-Derived scFv Plasmids

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scFv encoding plasmids were recovered from yeast cultures by yeast miniprep with the Zymoprep yeast plasmid miniprep II kit (Zymo Research). Isolated DNA was transformed into NEB5α strain of E. coli (New England Biolabs) and the DNA of individual bacterial colonies was isolated (Wizard Plus SV Minipreps, Promega) and analyzed by Sanger sequencing to confirm the validity of the FACS selections. To prepare plasmids for Next Generation Sequencing, the scFv containing region from isolated plasmids was amplified by PCR using Q5 high fidelity PCR (NEB). Illumina NGS samples were prepped and run using the Illumina MiSeq v3 reagent kit following manufacturer’s protocols pooling four library samples per lane. Illumina sequencing returned an average of 14.3 million reads per sample, of which an average of 13.1 million mapped to the scFv amplicon.
PacBio long read NGS was completed by Genewiz pooling 3–4 library samples per SMRT cell. Sequencing results by PacBio returned 35–47k reads per sample sequenced, of which 15–26k aligned to the scFv amplicon. Sequencing data was processed using Geneious Prime and programs developed in-house to compute the amino acid frequency and distribution.
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2

Cloning and Sequencing of TaHKT2;1 cDNA

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RT-PCR amplicons were separated and excised from 1% agarose gels, purified using Wizard® SV Gel and PCR Clean-Up System (Promega, CA,USA), and cloned into pGEM®-T Easy Vector Systems (Promega, CA, USA). Three bacterial colonies containing cloned TaHKT2;1 FL-cDNA were selected and DNA templates were purified using Wizard® Plus SV Minipreps (Promega, CA, USA). The cloned fragments were sequenced using BigDye™ sequencing chemistry (Applied Biosystems, Perkin Elmer, Weiterstadt, Germany) and analysed using GENEIOUS 6.0.3 [51 (link)].
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3

Sequencing Yeast-Derived scFv Plasmids

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scFv encoding plasmids were recovered from yeast cultures by yeast miniprep with the Zymoprep yeast plasmid miniprep II kit (Zymo Research). Isolated DNA was transformed into NEB5α strain of E. coli (New England Biolabs) and the DNA of individual bacterial colonies was isolated (Wizard Plus SV Minipreps, Promega) and analyzed by Sanger sequencing to confirm the validity of the FACS selections. To prepare plasmids for Next Generation Sequencing, the scFv containing region from isolated plasmids was amplified by PCR using Q5 high fidelity PCR (NEB). Illumina NGS samples were prepped and run using the Illumina MiSeq v3 reagent kit following manufacturer’s protocols pooling four library samples per lane. Illumina sequencing returned an average of 14.3 million reads per sample, of which an average of 13.1 million mapped to the scFv amplicon.
PacBio long read NGS was completed by Genewiz pooling 3–4 library samples per SMRT cell. Sequencing results by PacBio returned 35–47k reads per sample sequenced, of which 15–26k aligned to the scFv amplicon. Sequencing data was processed using Geneious Prime and programs developed in-house to compute the amino acid frequency and distribution.
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4

cDNA Subtraction for Differential Expression

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RNA was extracted with the use of the Trizol (Invitrogen) system following the manufacturer's instructions and RNA samples were submitted to Dnase to remove traces of DNA. The PCR-select cDNA subtraction kit (Clontech) was used in order to obtain differentially expressed transcripts [17 (link)] according to the manufacturer's instructions. Subtractions were carried out from EGG and 452 samples. Fragments of cDNA subtracted were extracted from gel, purified by Wizard SV gel kit and PCR clean-up system (Promega), and then cloned into pGEM-T easy vector (Promega) according to the manufacturer's instructions. Cloning was carried out using Escherichia coli bacteria DH5α (Life Technologies). Individual colonies were grown in 100 μL LB-ampicillin at 37°C, plasmid was isolated, and the presence of the insert was confirmed by digestion reaction using EcoRI (5 U) followed by a PCR using nested primers (Clontech). For those clones presenting insert, plasmidial DNA was isolated from bacterial cultures using Wizard plus SV minipreps (Promega) kit. Positive clones were sequenced in accordance with a method previously described [18 (link)], making use of DYEnamic ET dye terminator kit (MegaBACE, GE Healthcare).
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5

Plasmid DNA Purification and PCR Amplification

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All plasmids used in this study are listed in Table 1 and the sequences of the primers used are listed in Table 2. PCR products and plasmid DNA were purified with kits Wizard SV Gel and PCR Clean-up System and Wizard Plus SV Minipreps, respectively (Promega). PCR fragments were amplified with Phusion High-fidelity DNA polymerase (Finnzymes). Restriction enzymes were from New England Biolabs.
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6

CRISPR Plasmid Generation Protocol

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Supplementary Table 3 provides a list of sequence-verified plasmids used in this study. For plasmid gene editing, sgRNA oligonucleotides were annealed and cloned into pSpCas9(BB)-2A-Puro V2.0 plasmid (pX459v2, a gift from Feng Zhang, Addgene plasmid #62988) linearized with BbsI as described by Ran et al.51 (link). In brief, equal volumes of 100 µM oligos were annealed by heating to 95 °C for 5 min, followed by a slow cool down and a 1:200 dilution in water. 100 ng linearized vector were then mixed with 2 µL annealed oligo and 4 µL Ligation Mix (Takara) and incubated at 16 °C for 30 min. The mix was then transformed into competent bacteria using heat shock at 42 °C. Plasmid DNA from clones was extracted using the Wizard® Plus SV Minipreps (Promega) Kit according to the manufacturer’s instructions. Primers used for cloning are listed in Supplementary Table 4. Sequences were verified using the U6 primer ‘GAGGGCCTATTTCCCATGATTCC’ (dna790) and Sanger sequencing described below. Complete sequences are available upon request.
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7

Identification of Malaria Parasite Genetic Diversity

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The msp2 allelic repertoire was determined for a subset of samples from each site by amplifying genomic DNA using primer sets msp2F (5′- CTG CTT TAG GTA AGA TGA CTA AGR GTG ARG C- 3’) in combination with each of five reverse primer sets as previously described [9 (link)]. The amplicons were cloned into pCR4-TOPO-TA (Invitrogen) and plasmid DNA from 96 bacterial clones of each sample was extracted with Wizard plus SV minipreps (Promega). All inserts were sequenced in both directions as described above. The sequences were edited using BioEdit software and analyzed with HyPhy 2.0 [19 ].
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8

Molecular Cloning Using Restriction Enzymes

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Restriction enzymes (Fermentas) and T4 DNA ligase (Promega) were used as recommended by the supplier. Plasmid DNA were extracted from E. coli using Wizard Plus SV mini preps (Promega). PCR amplifications were performed using the MyTaq (Bioline) or Expand High Fidelity (Roche) systems. For fast colony screening, each colony was re-suspended in 25 μl PCR mix. PCR products were separated on 1% agarose gel using 1X TAE as running buffer and purified using QIAquick PCR purification kit (Qiagen). DNA sequences were determined with the ABI310 rhodamine termination reaction kit (ABI310 Genetic Analyzer, Applied Biosystems).
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9

Yeast-Derived scFv Plasmid Isolation and Sequencing

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ScFv encoding plasmids were recovered from yeast cultures by miniprep with the Zymoprep yeast plasmid miniprep II kit (Zymo Research) as previously described [37 (link)]. Isolated DNA was transformed into NEB5α E. coli (NEB), and the DNA of individual bacterial colonies was isolated (Wizard Plus SV Minipreps, Promega) and analyzed by Sanger sequencing. To prepare for Next Generation Sequencing, the scFv insert from isolated plasmids was amplified by PCR using Q5 polymerase (NEB). DNA samples were prepped and run using the Illumina MiSeq v3 reagent kit following manufacturer’s protocols. Illumina sequencing returned an average of 21.6 million reads per sample, of which an average of 20.7 million mapped to the scFv amplicon. Sequencing data was processed using Geneious Prime and in-house scripts to compute the amino acid frequency and distribution.
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10

Constructing Plasmid pTH1mp-crtMN

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Plasmid DNA was isolated by the Wizard Plus SV Minipreps (Promega). For construction of vector pTH1mp-crtMN, plasmid pTHmp-lysC (Brautaset et al., 2010 (link)) was digested with Acc65I and PciI and used as backbone. A DNA fragment corresponding to the crtMN was PCR amplified from pHYcrtMN (Yoshida et al., 2009 (link)) using the following primers:
Forward primer (crtMN-R):
Reverse primer (crtMN-F):
The resulting PCR-product (2.4 kb) was end digested with Acc65I and PciI, and ligated into the backbone, resulting in the vector pTH1mp-crtMN (8.2 kb). The plasmid was verified by DNA sequencing.
Preparation of electrocompetent cells of B. methanolicus and transformation thereof was performed as previously described (Jakobsen et al., 2006 (link)). SOBsuc plates (1% (w/v) agar) supplemented with suitable antibiotics were used instead of regeneration plates, as described by Irla et al. (2016a) (link).
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