exonuclease i e coli  (New England Biolabs)


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    Name:
    Exonuclease I E coli
    Description:
    Exonuclease I E coli 15 000 units
    Catalog Number:
    m0293l
    Price:
    281
    Size:
    15 000 units
    Category:
    Exonucleases
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    Structured Review

    New England Biolabs exonuclease i e coli
    Exonuclease I E coli
    Exonuclease I E coli 15 000 units
    https://www.bioz.com/result/exonuclease i e coli/product/New England Biolabs
    Average 99 stars, based on 39 article reviews
    Price from $9.99 to $1999.99
    exonuclease i e coli - by Bioz Stars, 2020-07
    99/100 stars

    Images

    1) Product Images from "Defining CRISPR-Cas9 genome-wide nuclease activities with CIRCLE-seq"

    Article Title: Defining CRISPR-Cas9 genome-wide nuclease activities with CIRCLE-seq

    Journal: Nature protocols

    doi: 10.1038/s41596-018-0055-0

    Detailed schematic overview of CIRCLE-seq method. Genomic DNA is randomly sheared to an average of ~300 bp, end-repaired, A-tailed, and ligated to uracil-containing stem-looped adapters. DNA molecules covalently closed with stem-looped adapters ligated to both ends are selected by treatment with a mixture of Lambda exonuclease I and E. coli ).
    Figure Legend Snippet: Detailed schematic overview of CIRCLE-seq method. Genomic DNA is randomly sheared to an average of ~300 bp, end-repaired, A-tailed, and ligated to uracil-containing stem-looped adapters. DNA molecules covalently closed with stem-looped adapters ligated to both ends are selected by treatment with a mixture of Lambda exonuclease I and E. coli ).

    Techniques Used:

    2) Product Images from "Defining CRISPR-Cas9 genome-wide nuclease activities with CIRCLE-seq"

    Article Title: Defining CRISPR-Cas9 genome-wide nuclease activities with CIRCLE-seq

    Journal: Nature protocols

    doi: 10.1038/s41596-018-0055-0

    Detailed schematic overview of CIRCLE-seq method. Genomic DNA is randomly sheared to an average of ~300 bp, end-repaired, A-tailed, and ligated to uracil-containing stem-looped adapters. DNA molecules covalently closed with stem-looped adapters ligated to both ends are selected by treatment with a mixture of Lambda exonuclease I and E. coli ).
    Figure Legend Snippet: Detailed schematic overview of CIRCLE-seq method. Genomic DNA is randomly sheared to an average of ~300 bp, end-repaired, A-tailed, and ligated to uracil-containing stem-looped adapters. DNA molecules covalently closed with stem-looped adapters ligated to both ends are selected by treatment with a mixture of Lambda exonuclease I and E. coli ).

    Techniques Used:

    Related Articles

    Polymerase Chain Reaction:

    Article Title: Towards the Construction of Expressed Proteomes Using a Leishmania tarentolae Based Cell-Free Expression System
    Article Snippet: .. Variable ORF-encoded fragments were freed from residual primers by treatment with 15 U/ml Exonuclease I (NEB), which was added directly to the final PCR reaction mixture, for 30 minutes at 37°C followed by nuclease inactivation at 85°C for 30 minutes. .. Synthesis of translational templates by overlap extension (OE-PCR) PCR To obtain the libraries of DNA templates two universal fragments (1, 2 or 3, 4, ) were combined with one of the 31 variable PCR fragments using OE-PCR.

    Article Title: Rational “Error Elimination” Approach to Evaluating Molecular Barcoded Next-Generation Sequencing Data Identifies Low-Frequency Mutations in Hematologic Malignancies
    Article Snippet: .. After first-stage PCR, 1 μL of exonuclease I (20 U/μL; New England BioLabs) was added to the reactions and incubated at 37°C for 30 minutes. .. After the completion of the first-stage PCR or exonuclease I treatment, PCR products were purified with 1× volume of SPRI beads and eluted in 20 μL of 10 mmol/L Tris-HCl (pH 8.0).

    Staining:

    Article Title: Circular Single-Stranded Synthetic DNA Delivery Vectors for MicroRNA
    Article Snippet: .. In cases where the COLIGO was still contaminated by > 5% of the linear oligonucleotide after elution (as determined by gel staining), an Exonuclease I (NEB) digest was done. ..

    Incubation:

    Article Title: Homogeneous antibody-based proximity extension assays provide sensitive and specific detection of low-abundant proteins in human blood
    Article Snippet: .. After a 5-min incubation at 37°C, a 20 µl extension mix containing 66.8 mM Tris–HCl, 16.8 mM ammonium sulfate, 1 mM dithiothreitol, 33 mM magnesium chloride, 62.5 U/ml T4 DNA Polymerase [or 62.5 U/ml Klenow fragment exo(−), 125 U/ml Klenow fragment, 125 U/ml DNA Polymerase I (Fermentas), 250 U/ml Exonuclease I (New England Biolabs)] was added. ..

    Article Title: Rational “Error Elimination” Approach to Evaluating Molecular Barcoded Next-Generation Sequencing Data Identifies Low-Frequency Mutations in Hematologic Malignancies
    Article Snippet: .. After first-stage PCR, 1 μL of exonuclease I (20 U/μL; New England BioLabs) was added to the reactions and incubated at 37°C for 30 minutes. .. After the completion of the first-stage PCR or exonuclease I treatment, PCR products were purified with 1× volume of SPRI beads and eluted in 20 μL of 10 mmol/L Tris-HCl (pH 8.0).

    Chloramphenicol Acetyltransferase Assay:

    Article Title: Defining CRISPR-Cas9 genome-wide nuclease activities with CIRCLE-seq
    Article Snippet: .. M0293L) Lambda Exonuclease (New England BioLabs, cat.no. .. M0262L) Plasmid-Safe ATP-dependent DNase (Epicentre, cat.no.

    Avidin-Biotin Assay:

    Article Title: The structure of ends determines the pathway choice and Mre11 nuclease dependency of DNA double-strand break repair
    Article Snippet: .. To detect the presence of 3′ biotin on 3′ ss-overhangs or resection intermediates, the DNA was pre-incubated with ELB buffer or avidin on ice for 5 min, and then treated with Escherichia coli ExoI (NEB, MA) at 22ºC for 60 min. To analyze the intermediates of the 5′ biotin-avidin DNA, DNA was treated with E. coli ExoI (0.2 u/μl, NEB, MA) or RecJ (0.3 u/μl; NEB, MA) at 22°C for 60 min. To detect the presence of 5′ biotin, DNA was pre-incubated with ELB buffer or avidin on ice for 5 min, and then treated with T7 Exo (0.6 unit/μl; NEB, MA) at 22°C for 60 min. .. Reactions were analyzed by 1% TAE-agarose gel electrophoresis and the gels were first stained with SYBR Gold (Invitrogen, CA, USA) and then dried for exposure to film.

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    New England Biolabs exonuclease i
    Exonuclease activity and hybridization length affects assay sensitivity. (A) VEGF assays were designed with different lengths of the hybridization site and compared with respect to sensitivity. A 9-nt hybridization site was found to give the best signal-to-noise levels and was selected for further studies. ( B ) Different DNA polymerases were tested with regards to their ability to generate good sensitivity in an IL-8-specific assay. T4 DNA polymerase I, DNA polymerase I and Klenow fragment exo + all possess a 3′→5′ exonuclease activity and performed well in the IL-8 detection. Klenow fragment exo − , on the other hand, generated a background signal that was almost at the level of the antigen-induced signal. When exogenous <t>Exonuclease</t> I was added to the reaction, the signal-to-noise level was restored.
    Exonuclease I, supplied by New England Biolabs, used in various techniques. Bioz Stars score: 99/100, based on 561 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/result/exonuclease i/product/New England Biolabs
    Average 99 stars, based on 561 article reviews
    Price from $9.99 to $1999.99
    exonuclease i - by Bioz Stars, 2020-07
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    99
    New England Biolabs exonuclease iii
    Probing of the EC translocation conformations. ( A ) <t>Exo</t> <t>III</t> footprints of EC14 and EC15. Tth EC14 (lanes 1 and 2) was assembled as described in Materials and Methods. EC15 (lanes 3 and 4) was obtained by incubation of EC14 with substrate ATP for 2 min at 60°C. Exo III (0.02 U/μl) was added for 5 (lanes 1 and 3) or 10 (lanes 2 and 4) min at 37°C. ( B ) Schematics of RNAP front edge oscillations in EC14 and EC15. ( C ) Photo cross-linking patterns of Tth EC14 and EC15, EC14 and EC15 containing 5′ 32 P-labeled RNA primers were prepared as illustrated (left). The photo cross-linking analog 4-thio UTP (50 μM) was incorporated into the transcript for 2 min at 60°C followed UV light irradiation for 5 min at RT. The cross-linked species were separated using gel electrophoresis (right).
    Exonuclease Iii, supplied by New England Biolabs, used in various techniques. Bioz Stars score: 99/100, based on 87 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/result/exonuclease iii/product/New England Biolabs
    Average 99 stars, based on 87 article reviews
    Price from $9.99 to $1999.99
    exonuclease iii - by Bioz Stars, 2020-07
    99/100 stars
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    Image Search Results


    Exonuclease activity and hybridization length affects assay sensitivity. (A) VEGF assays were designed with different lengths of the hybridization site and compared with respect to sensitivity. A 9-nt hybridization site was found to give the best signal-to-noise levels and was selected for further studies. ( B ) Different DNA polymerases were tested with regards to their ability to generate good sensitivity in an IL-8-specific assay. T4 DNA polymerase I, DNA polymerase I and Klenow fragment exo + all possess a 3′→5′ exonuclease activity and performed well in the IL-8 detection. Klenow fragment exo − , on the other hand, generated a background signal that was almost at the level of the antigen-induced signal. When exogenous Exonuclease I was added to the reaction, the signal-to-noise level was restored.

    Journal: Nucleic Acids Research

    Article Title: Homogeneous antibody-based proximity extension assays provide sensitive and specific detection of low-abundant proteins in human blood

    doi: 10.1093/nar/gkr424

    Figure Lengend Snippet: Exonuclease activity and hybridization length affects assay sensitivity. (A) VEGF assays were designed with different lengths of the hybridization site and compared with respect to sensitivity. A 9-nt hybridization site was found to give the best signal-to-noise levels and was selected for further studies. ( B ) Different DNA polymerases were tested with regards to their ability to generate good sensitivity in an IL-8-specific assay. T4 DNA polymerase I, DNA polymerase I and Klenow fragment exo + all possess a 3′→5′ exonuclease activity and performed well in the IL-8 detection. Klenow fragment exo − , on the other hand, generated a background signal that was almost at the level of the antigen-induced signal. When exogenous Exonuclease I was added to the reaction, the signal-to-noise level was restored.

    Article Snippet: After a 5-min incubation at 37°C, a 20 µl extension mix containing 66.8 mM Tris–HCl, 16.8 mM ammonium sulfate, 1 mM dithiothreitol, 33 mM magnesium chloride, 62.5 U/ml T4 DNA Polymerase [or 62.5 U/ml Klenow fragment exo(−), 125 U/ml Klenow fragment, 125 U/ml DNA Polymerase I (Fermentas), 250 U/ml Exonuclease I (New England Biolabs)] was added.

    Techniques: Activity Assay, Hybridization, Generated

    Schematic diagram of procedures of liquid hybridization and solid phase detection (LHSPD). ( 1 ) Liquid hybridization: The small RNA samples, hybridization buffer, and probe are mixed in a tube to make the probe hybridize with the specific RNA sequences and the non-hybridized sequences are digested by exonuclease I; ( 2 ) Gel electrophoresis: the products of the hybridization are separated by electrophoresis; ( 3 ) Transfer membrane; ( 4 ) UV crosslinking and membrane blocking; ( 5 ) Antibody incubation: alkaline phosphatase (AP)-anti-DIG antibody or AP-streptavidin or horseradish peroxidase (HRP)-streptavidin targeted the RNA-bound DIG-labeled probes or biotin-labeled probes respectively; ( 6 ) Hybridization signal detection: CDP-Star/luminol is used to detect the combination of antibody and target RNA.

    Journal: International Journal of Molecular Sciences

    Article Title: Liquid Hybridization and Solid Phase Detection: A Highly Sensitive and Accurate Strategy for MicroRNA Detection in Plants and Animals

    doi: 10.3390/ijms17091457

    Figure Lengend Snippet: Schematic diagram of procedures of liquid hybridization and solid phase detection (LHSPD). ( 1 ) Liquid hybridization: The small RNA samples, hybridization buffer, and probe are mixed in a tube to make the probe hybridize with the specific RNA sequences and the non-hybridized sequences are digested by exonuclease I; ( 2 ) Gel electrophoresis: the products of the hybridization are separated by electrophoresis; ( 3 ) Transfer membrane; ( 4 ) UV crosslinking and membrane blocking; ( 5 ) Antibody incubation: alkaline phosphatase (AP)-anti-DIG antibody or AP-streptavidin or horseradish peroxidase (HRP)-streptavidin targeted the RNA-bound DIG-labeled probes or biotin-labeled probes respectively; ( 6 ) Hybridization signal detection: CDP-Star/luminol is used to detect the combination of antibody and target RNA.

    Article Snippet: After that, non-hybridized single-stranded DNA, including the probe, was digested with 1 U exonuclease I (New England BioLabs, Inc., M0293, Beijing, China) in the same tube according to the instruction protocol for 30 min at 37 °C.

    Techniques: Hybridization, Nucleic Acid Electrophoresis, Electrophoresis, Blocking Assay, Incubation, Labeling

    Specificity of LHSPD at different temperatures. ( A – D ) Hybridizations of 0.1 pmol ( DIG ) -miD156rk with 1 pmol miD156s at different temperatures by LHSPD; ( E – H ) Hybridizations of 0.1 pmol ( Biotin ) -miD156rk with 1 pmol miD156s at different temperatures by LHSPD; ( I – L ) Hybridizations of 0.1 pmol ( Biotin ) -miD156rk with 1 pmol miD156s at different temperatures by traditional Northern hybridization. miD156 marked “+”, miD156 with one-base mismatch marked “−1”, miD156 with three-base mismatch marked “−3” and miD156 with five-base mismatch marked “−5”; ( M ) Hybridization performed in 0.25×, 0.5× and 1× Exonuclease I reaction buffer (New England Biolabs, Inc., Beijing, China) with 0.1 pmol ( Biotin ) -miD156rk ; ( N ) Hybridization performed in 0.25×, 0.5× and 1× PNE buffer with 0.1 pmol ( Biotin ) -miD156rk ; 20f represents 20 fmol of miD156 ; 10f represents 10 fmol of miD156 ; 5f represents 5 fmol of miD156 ; P represents control containing 1 pmol of ( Biotin ) -miD156rk .

    Journal: International Journal of Molecular Sciences

    Article Title: Liquid Hybridization and Solid Phase Detection: A Highly Sensitive and Accurate Strategy for MicroRNA Detection in Plants and Animals

    doi: 10.3390/ijms17091457

    Figure Lengend Snippet: Specificity of LHSPD at different temperatures. ( A – D ) Hybridizations of 0.1 pmol ( DIG ) -miD156rk with 1 pmol miD156s at different temperatures by LHSPD; ( E – H ) Hybridizations of 0.1 pmol ( Biotin ) -miD156rk with 1 pmol miD156s at different temperatures by LHSPD; ( I – L ) Hybridizations of 0.1 pmol ( Biotin ) -miD156rk with 1 pmol miD156s at different temperatures by traditional Northern hybridization. miD156 marked “+”, miD156 with one-base mismatch marked “−1”, miD156 with three-base mismatch marked “−3” and miD156 with five-base mismatch marked “−5”; ( M ) Hybridization performed in 0.25×, 0.5× and 1× Exonuclease I reaction buffer (New England Biolabs, Inc., Beijing, China) with 0.1 pmol ( Biotin ) -miD156rk ; ( N ) Hybridization performed in 0.25×, 0.5× and 1× PNE buffer with 0.1 pmol ( Biotin ) -miD156rk ; 20f represents 20 fmol of miD156 ; 10f represents 10 fmol of miD156 ; 5f represents 5 fmol of miD156 ; P represents control containing 1 pmol of ( Biotin ) -miD156rk .

    Article Snippet: After that, non-hybridized single-stranded DNA, including the probe, was digested with 1 U exonuclease I (New England BioLabs, Inc., M0293, Beijing, China) in the same tube according to the instruction protocol for 30 min at 37 °C.

    Techniques: Northern Blot, Hybridization

    Circularization of DNA templates (COLIGOs) for Rolling Circle Transcription. A . Synthetic 5′ phosphorylated linear DNA sequences were circularized using the thermostable TS2126 RNA ligase. B . Denaturing polyacrylamide gel electrophoresis (DPAGE) at four stages during miR-19am DNA circle synthesis. Lane 1, crude DNA IDT Ultramer synthesis of COLIGO 19am. Lane 2, after preparative DPAGE. Lane 3, crude circularization product. Lane 4, DNA circle template following Exonuclease I clean-up. Visualization using Stains-All. C . Verification of circular topology. Nicking of circular templates by S1 nuclease leads first to linear forms, which are then further digested to successively smaller linear forms.

    Journal: PLoS ONE

    Article Title: Circular Single-Stranded Synthetic DNA Delivery Vectors for MicroRNA

    doi: 10.1371/journal.pone.0016925

    Figure Lengend Snippet: Circularization of DNA templates (COLIGOs) for Rolling Circle Transcription. A . Synthetic 5′ phosphorylated linear DNA sequences were circularized using the thermostable TS2126 RNA ligase. B . Denaturing polyacrylamide gel electrophoresis (DPAGE) at four stages during miR-19am DNA circle synthesis. Lane 1, crude DNA IDT Ultramer synthesis of COLIGO 19am. Lane 2, after preparative DPAGE. Lane 3, crude circularization product. Lane 4, DNA circle template following Exonuclease I clean-up. Visualization using Stains-All. C . Verification of circular topology. Nicking of circular templates by S1 nuclease leads first to linear forms, which are then further digested to successively smaller linear forms.

    Article Snippet: In cases where the COLIGO was still contaminated by > 5% of the linear oligonucleotide after elution (as determined by gel staining), an Exonuclease I (NEB) digest was done.

    Techniques: Polyacrylamide Gel Electrophoresis

    Probing of the EC translocation conformations. ( A ) Exo III footprints of EC14 and EC15. Tth EC14 (lanes 1 and 2) was assembled as described in Materials and Methods. EC15 (lanes 3 and 4) was obtained by incubation of EC14 with substrate ATP for 2 min at 60°C. Exo III (0.02 U/μl) was added for 5 (lanes 1 and 3) or 10 (lanes 2 and 4) min at 37°C. ( B ) Schematics of RNAP front edge oscillations in EC14 and EC15. ( C ) Photo cross-linking patterns of Tth EC14 and EC15, EC14 and EC15 containing 5′ 32 P-labeled RNA primers were prepared as illustrated (left). The photo cross-linking analog 4-thio UTP (50 μM) was incorporated into the transcript for 2 min at 60°C followed UV light irradiation for 5 min at RT. The cross-linked species were separated using gel electrophoresis (right).

    Journal: Nucleic Acids Research

    Article Title: Elongation complexes of Thermus thermophilus RNA polymerase that possess distinct translocation conformations

    doi: 10.1093/nar/gkl559

    Figure Lengend Snippet: Probing of the EC translocation conformations. ( A ) Exo III footprints of EC14 and EC15. Tth EC14 (lanes 1 and 2) was assembled as described in Materials and Methods. EC15 (lanes 3 and 4) was obtained by incubation of EC14 with substrate ATP for 2 min at 60°C. Exo III (0.02 U/μl) was added for 5 (lanes 1 and 3) or 10 (lanes 2 and 4) min at 37°C. ( B ) Schematics of RNAP front edge oscillations in EC14 and EC15. ( C ) Photo cross-linking patterns of Tth EC14 and EC15, EC14 and EC15 containing 5′ 32 P-labeled RNA primers were prepared as illustrated (left). The photo cross-linking analog 4-thio UTP (50 μM) was incorporated into the transcript for 2 min at 60°C followed UV light irradiation for 5 min at RT. The cross-linked species were separated using gel electrophoresis (right).

    Article Snippet: Exonuclease III (Exo III) (NEB, 0.1 U/μl) was added for 5–10 min at 37°C.

    Techniques: Translocation Assay, Incubation, Labeling, Irradiation, Nucleic Acid Electrophoresis