exonuclease  (New England Biolabs)


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    New England Biolabs exonuclease
    Exonuclease, supplied by New England Biolabs, used in various techniques. Bioz Stars score: 95/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/result/exonuclease/product/New England Biolabs
    Average 95 stars, based on 1 article reviews
    Price from $9.99 to $1999.99
    exonuclease - by Bioz Stars, 2022-07
    95/100 stars

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    New England Biolabs exonuclease v
    Working flow chart of eccDNA identification. cfDNA consisting of linear and circular DNA was isolated from the plasma of 6 lung adenocarcinoma patients. To obtain clean eccDNA, linear cfDNA was digested by exonuclease using <t>Plasmid-Safe</t> <t>ATP-dependent</t> <t>DNase.</t> eccDNA was then sequenced by next generation sequencing (NGS) after rolling circle amplification using phi29 DNA polymerase.
    Exonuclease V, supplied by New England Biolabs, used in various techniques. Bioz Stars score: 95/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/result/exonuclease v/product/New England Biolabs
    Average 95 stars, based on 1 article reviews
    Price from $9.99 to $1999.99
    exonuclease v - by Bioz Stars, 2022-07
    95/100 stars
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    Working flow chart of eccDNA identification. cfDNA consisting of linear and circular DNA was isolated from the plasma of 6 lung adenocarcinoma patients. To obtain clean eccDNA, linear cfDNA was digested by exonuclease using Plasmid-Safe ATP-dependent DNase. eccDNA was then sequenced by next generation sequencing (NGS) after rolling circle amplification using phi29 DNA polymerase.

    Journal: International Journal of General Medicine

    Article Title: Identification and Characterization of Extrachromosomal Circular DNA in Plasma of Lung Adenocarcinoma Patients

    doi: 10.2147/IJGM.S363425

    Figure Lengend Snippet: Working flow chart of eccDNA identification. cfDNA consisting of linear and circular DNA was isolated from the plasma of 6 lung adenocarcinoma patients. To obtain clean eccDNA, linear cfDNA was digested by exonuclease using Plasmid-Safe ATP-dependent DNase. eccDNA was then sequenced by next generation sequencing (NGS) after rolling circle amplification using phi29 DNA polymerase.

    Article Snippet: For data of group C, cfDNA of 6 healthy people was extracted using QIAamp Circulating Nucleic Acid Kit (Qiagen), and cfDNA was treated with exonuclease V (New England Biolabs) to eliminate linear DNA.

    Techniques: Isolation, Plasmid Preparation, Next-Generation Sequencing, Amplification

    (A) CIN612 episomal and integrated cell lines served as controls in the exonuclease V digestion assay. (B to D) HPV-31 DNA from NIKS (B), HFK D1 (C), and HFK D2 (D) cells infected with WT and Y138F quasiviruses was quantified using real-time PCR after exonuclease V digestion. (E) Southern blot analysis of keratinocyte cell lines with HPV-31 WT and E2 Y138F genomes in HFK D2 and NIKS cells. The HPV-31neo plasmid (500 pg) was used as a positive control.

    Journal: Journal of Virology

    Article Title: Phosphorylation of the Human Papillomavirus E2 Protein at Tyrosine 138 Regulates Episomal Replication

    doi: 10.1128/JVI.00488-20

    Figure Lengend Snippet: (A) CIN612 episomal and integrated cell lines served as controls in the exonuclease V digestion assay. (B to D) HPV-31 DNA from NIKS (B), HFK D1 (C), and HFK D2 (D) cells infected with WT and Y138F quasiviruses was quantified using real-time PCR after exonuclease V digestion. (E) Southern blot analysis of keratinocyte cell lines with HPV-31 WT and E2 Y138F genomes in HFK D2 and NIKS cells. The HPV-31neo plasmid (500 pg) was used as a positive control.

    Article Snippet: Five hundred nanograms of DNA was treated with exonuclease V (New England Biolabs) or left untreated for 4 h at 37°C.

    Techniques: Infection, Real-time Polymerase Chain Reaction, Southern Blot, Plasmid Preparation, Positive Control

    Development of an episomal CRISPR system. (A) The S. cerevisiae CEN/ARS6 region (ARS, red) was included in the pNOC-ARS-CRISPR construct for episomal maintenance. Guide sequences(orange) for nitrate reductase targets, with a 5’hammerhead ribozyme (HH),were fused to the gRNA scaffold to form the NR sgRNAs (sgNR). Ribozymes are highlighted in yellow. The sgNR1 and sgNR2were added to pNOC-ARS-CRISPR to form pNOC-ARS-CRISPR-sgNR1 and pNOC-ARS-CRISPR-sgNR2, respectively. N. oceanica is transformed with circular episomal CRISPR constructs. (B) Mutations in the two target sites in the NR genomic locus (Target 1 and Target 2) of N. oceanica ). Deleted nucleotides are represented with dashes and inserted nucleotides are shown in bold. Protospacer adjacent motifs (PAM sites) are underlined. (C) Immunoblot using an α-HA antibody of N. oceanica NR1-KO and NR2-KO lines producing Cas9-Nlux-HA from the CRISPR episome. Numbers on the left indicate size markers (KDa). (D) Growth curves after transfer from NH 4 to NO 3 containing medium of NR-KO frame-shifted lines (1D, 1H, 4G, B12) and NR2-IF B7 in-frame line, empty vector integrated CRISPR control lines (iEV), and wildtype (WT). (E) Episome rescue by E. coli transformation using equal quantities of DNA isolated from episomal (NR-KO) lines, integrated empty-vector (iEV), and wild-type (WT) N. oceanica lines. Values are the average colonies generated ± SE (NR-KOs n = 3 independent lines, WT n = 2 biological replicates, and iEV n = 2 independent lines). Equal quantities of DNA from NR-KO lines after treatment were used for E. coli transformation, and the resulting colonies counted (n = 3 independent lines). Exonuclease V (ExoV), ClaI endonuclease (ClaI), and ClaI endonuclease with Exonuclease V (ClaI+ExoV).

    Journal: The Plant journal : for cell and molecular biology

    Article Title: Non-transgenic marker-free gene disruption by an episomal CRISPR system in the oleaginous microalga, Nannochloropsis oceanica CCMP1779

    doi: 10.1111/tpj.14314

    Figure Lengend Snippet: Development of an episomal CRISPR system. (A) The S. cerevisiae CEN/ARS6 region (ARS, red) was included in the pNOC-ARS-CRISPR construct for episomal maintenance. Guide sequences(orange) for nitrate reductase targets, with a 5’hammerhead ribozyme (HH),were fused to the gRNA scaffold to form the NR sgRNAs (sgNR). Ribozymes are highlighted in yellow. The sgNR1 and sgNR2were added to pNOC-ARS-CRISPR to form pNOC-ARS-CRISPR-sgNR1 and pNOC-ARS-CRISPR-sgNR2, respectively. N. oceanica is transformed with circular episomal CRISPR constructs. (B) Mutations in the two target sites in the NR genomic locus (Target 1 and Target 2) of N. oceanica ). Deleted nucleotides are represented with dashes and inserted nucleotides are shown in bold. Protospacer adjacent motifs (PAM sites) are underlined. (C) Immunoblot using an α-HA antibody of N. oceanica NR1-KO and NR2-KO lines producing Cas9-Nlux-HA from the CRISPR episome. Numbers on the left indicate size markers (KDa). (D) Growth curves after transfer from NH 4 to NO 3 containing medium of NR-KO frame-shifted lines (1D, 1H, 4G, B12) and NR2-IF B7 in-frame line, empty vector integrated CRISPR control lines (iEV), and wildtype (WT). (E) Episome rescue by E. coli transformation using equal quantities of DNA isolated from episomal (NR-KO) lines, integrated empty-vector (iEV), and wild-type (WT) N. oceanica lines. Values are the average colonies generated ± SE (NR-KOs n = 3 independent lines, WT n = 2 biological replicates, and iEV n = 2 independent lines). Equal quantities of DNA from NR-KO lines after treatment were used for E. coli transformation, and the resulting colonies counted (n = 3 independent lines). Exonuclease V (ExoV), ClaI endonuclease (ClaI), and ClaI endonuclease with Exonuclease V (ClaI+ExoV).

    Article Snippet: For enzyme treatment of the DNA extracted from NR-KO lines, 2 μg of DNA was treated with 10 units of Exonuclease V (NEB) and/or 10 units of ClaI (NEB) in a 20 μl reaction for 1 hour at 37° C. Reactions were heat inactivated at 75° C for 30 min. An equal amount of DNA (500 ng) from enzyme treated samples, mock treated, and untreated samples were used to transform E. coli (DH5α high-efficiency efficiency, NEB).

    Techniques: CRISPR, Construct, Transformation Assay, Plasmid Preparation, Isolation, Generated