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e coli k12 mg1655  (ATCC)


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    Structured Review

    ATCC e coli k12 mg1655
    aacC1 synonymous variant design and constructs. ( a ) First 34 codons of the synonymous variant sequences. The first 10 codons (30 bp) were conserved across variants. The remaining codons were assigned different synonymous codons in a semi-random manner, guided by the codon usage of the bacterial species used. Pairwise identity with wt aacC1 is shown to the right of each sequence. ( b ) Variant constructs were composed of an integron-derived promoter and 5′ UTR, followed by the aacC1 gene and cloned into a pBBR1 broad-host-range plasmid. Variant plasmid sequences differed only by the variable region within aacC1 . ( c ) Codon usage similarity (COUSIN) for the 32 synonymous aacC1 variants in the three host species used. Variants are ordered by increasing COUSIN values in <t>E.</t> <t>coli</t> . GC content at the third base of each codon (GC3) is represented by bubble size. The five variants that could not be transformed into A. baylyi are circled in red on the x-axis. Equivalent figures ordered by increasing COUSIN values in A. baylyi and P. aeruginosa are provided as Fig. S2B and C.
    E Coli K12 Mg1655, supplied by ATCC, used in various techniques. Bioz Stars score: 99/100, based on 1609 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    Average 99 stars, based on 1609 article reviews
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    1) Product Images from "Hurdles to horizontal gene transfer: species-specific effects of synonymous variation and plasmid copy number determine antibiotic resistance phenotype"

    Article Title: Hurdles to horizontal gene transfer: species-specific effects of synonymous variation and plasmid copy number determine antibiotic resistance phenotype

    Journal: Microbiology

    doi: 10.1099/mic.0.001652

    aacC1 synonymous variant design and constructs. ( a ) First 34 codons of the synonymous variant sequences. The first 10 codons (30 bp) were conserved across variants. The remaining codons were assigned different synonymous codons in a semi-random manner, guided by the codon usage of the bacterial species used. Pairwise identity with wt aacC1 is shown to the right of each sequence. ( b ) Variant constructs were composed of an integron-derived promoter and 5′ UTR, followed by the aacC1 gene and cloned into a pBBR1 broad-host-range plasmid. Variant plasmid sequences differed only by the variable region within aacC1 . ( c ) Codon usage similarity (COUSIN) for the 32 synonymous aacC1 variants in the three host species used. Variants are ordered by increasing COUSIN values in E. coli . GC content at the third base of each codon (GC3) is represented by bubble size. The five variants that could not be transformed into A. baylyi are circled in red on the x-axis. Equivalent figures ordered by increasing COUSIN values in A. baylyi and P. aeruginosa are provided as Fig. S2B and C.
    Figure Legend Snippet: aacC1 synonymous variant design and constructs. ( a ) First 34 codons of the synonymous variant sequences. The first 10 codons (30 bp) were conserved across variants. The remaining codons were assigned different synonymous codons in a semi-random manner, guided by the codon usage of the bacterial species used. Pairwise identity with wt aacC1 is shown to the right of each sequence. ( b ) Variant constructs were composed of an integron-derived promoter and 5′ UTR, followed by the aacC1 gene and cloned into a pBBR1 broad-host-range plasmid. Variant plasmid sequences differed only by the variable region within aacC1 . ( c ) Codon usage similarity (COUSIN) for the 32 synonymous aacC1 variants in the three host species used. Variants are ordered by increasing COUSIN values in E. coli . GC content at the third base of each codon (GC3) is represented by bubble size. The five variants that could not be transformed into A. baylyi are circled in red on the x-axis. Equivalent figures ordered by increasing COUSIN values in A. baylyi and P. aeruginosa are provided as Fig. S2B and C.

    Techniques Used: Variant Assay, Construct, Sequencing, Derivative Assay, Clone Assay, Plasmid Preparation, Transformation Assay

    Synonymous variants confer different resistance levels. ( a ) Resistance levels are represented by IC50 AUC , i.e. the concentration of gentamicin required to reduce the AUC by 50% compared to growth in the absence of gentamicin. Synonymous variants are ordered on the x-axis by increasing IC50 AUC in E. coli . ( b ) PCN, quantified by qPCR, in each host variant. Significant differences in PCN are indicated by ***, and non-significant differences are indicated by ns. ( c ) AUC of the three bacteria species carrying the aacC1 variants in 50 µg ml −1 and 400 µg ml −1 of gentamicin. AUC is represented as relative to AUC in 0 µg ml −1 gentamicin. Some variant*species combinations were not tested at each of the concentrations. The AUC of these combinations was set to 0 when the variant*combination did not grow at a lower gentamicin concentration and to 1 when the variant*combination had, in the presence of a higher concentration of gentamicin, an AUC equivalent to the one in the absence of gentamicin. White boxes indicate the five variants that could not be transformed in A. baylyi .
    Figure Legend Snippet: Synonymous variants confer different resistance levels. ( a ) Resistance levels are represented by IC50 AUC , i.e. the concentration of gentamicin required to reduce the AUC by 50% compared to growth in the absence of gentamicin. Synonymous variants are ordered on the x-axis by increasing IC50 AUC in E. coli . ( b ) PCN, quantified by qPCR, in each host variant. Significant differences in PCN are indicated by ***, and non-significant differences are indicated by ns. ( c ) AUC of the three bacteria species carrying the aacC1 variants in 50 µg ml −1 and 400 µg ml −1 of gentamicin. AUC is represented as relative to AUC in 0 µg ml −1 gentamicin. Some variant*species combinations were not tested at each of the concentrations. The AUC of these combinations was set to 0 when the variant*combination did not grow at a lower gentamicin concentration and to 1 when the variant*combination had, in the presence of a higher concentration of gentamicin, an AUC equivalent to the one in the absence of gentamicin. White boxes indicate the five variants that could not be transformed in A. baylyi .

    Techniques Used: Concentration Assay, Variant Assay, Bacteria, Transformation Assay

    CUPs and resistance. Pearson correlation between resistance (IC50 AUC ) and tAI (first line), COUSIN (second line), CAI (third line) and |Δ(GC3)| (fourth line) for A. baylyi (first column), E. coli (second column) and P. aeruginosa (third column). Significant correlations ( P <0.05) are represented by a black regression line. Non-significant Pearson correlations are represented by a grey dotted regression line.
    Figure Legend Snippet: CUPs and resistance. Pearson correlation between resistance (IC50 AUC ) and tAI (first line), COUSIN (second line), CAI (third line) and |Δ(GC3)| (fourth line) for A. baylyi (first column), E. coli (second column) and P. aeruginosa (third column). Significant correlations ( P <0.05) are represented by a black regression line. Non-significant Pearson correlations are represented by a grey dotted regression line.

    Techniques Used:

    Related Articles

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    Article Snippet: E. coli K12 MG1655 (ATCC 47076) was used in this study.

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    Article Snippet: E. coli K12 MG1655 (ATCC 47076) was used as the founder in this study.

    Cell Culture:

    Article Title: A Lignin Silver Nanoparticles/Polyvinyl Alcohol/Sodium Alginate Hybrid Hydrogel with Potent Mechanical Properties and Antibacterial Activity
    Article Snippet: .. E. coli K12-MG1655 (ATCC 700,926) was cultured in LB liquid medium for 10 h at 10 8 CFU/mL. ..

    Article Title: A Lignin Silver Nanoparticles/Polyvinyl Alcohol/Sodium Alginate Hybrid Hydrogel with Potent Mechanical Properties and Antibacterial Activity.
    Article Snippet: .. E. coli K12-MG1655 (ATCC 700,926) was cultured in LB liquid medium for 10 h at 108 CFU/mL. ..

    Mutagenesis:

    Article Title: Bioconversion of Mushroom Chitin-Rich Waste into Valuable Chitin Oligosaccharides Using a Combined Approach of Biocatalysis and Precision Fermentation.
    Article Snippet: The shift toward a circular economy has increased efforts to derive valuable chemicals from renewable resources, including chitin-rich waste.. Mushroom cultivation generates significant waste, particularly the stalks left behind on breeding beds, which contain a substantial amount of chitin with untapped potential.. This research establishes a proof of concept for valorizing this waste stream by converting it into valuable chitin oligosaccharides, which have applications across food, feed, agriculture, and pharmaceuticals.

    Article Title: Bioconversion of Mushroom Chitin-Rich Waste into Valuable Chitin Oligosaccharides Using a Combined Approach of Biocatalysis and Precision Fermentation
    Article Snippet: For the construction and storage of plasmids, One Shot Top10 Chemically Competent E. coli (Invitrogen, USA) was used. .. Knockouts of chb BCARFG, chi A, nag Z, nag E , and man XYZ were made using the method developed by Datsenko and Wanner in E. coli K12 MG1655 Δ chb BCARFGΔ chi AΔ nag Z (3KO) and E. coli K12 MG1655 (mutant version of ATCC 47076, additional deletions resulting in Δ yna J Δ usp E Δ fnr Δ cct Δ abg T Δ abg B Δ abg A Δ abg R Δ smr A Δ yda M Δ yda N Δ dbp A Δ ttc A Δ int R Δ rec T Δ rec E). ..



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    Media Composition E Coli K12 Mg1655, supplied by ATCC, used in various techniques. Bioz Stars score: 96/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    Cell number of <t>E.</t> <t>coli</t> during a phagogram in the automated cwMBR platform with phage MM02 (MOI of 10 −3 and 10 −5 ) at 37°C in complex medium (oscillation frequency of the cwMBR 70 Hz, amplitude 5%). The graphs show the mean and the standard deviation (lightly colored) from triplicates. Automated infection using the nanodispenser with the phages was performed at t = 1 h of incubation of the culture in the cwMBR without phages. The second nanodispenser was applied to compensate for evaporation by adding deionized water every 15 min beginning after 15 min of cultivation.
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    aacC1 synonymous variant design and constructs. ( a ) First 34 codons of the synonymous variant sequences. The first 10 codons (30 bp) were conserved across variants. The remaining codons were assigned different synonymous codons in a semi-random manner, guided by the codon usage of the bacterial species used. Pairwise identity with wt aacC1 is shown to the right of each sequence. ( b ) Variant constructs were composed of an integron-derived promoter and 5′ UTR, followed by the aacC1 gene and cloned into a pBBR1 broad-host-range plasmid. Variant plasmid sequences differed only by the variable region within aacC1 . ( c ) Codon usage similarity (COUSIN) for the 32 synonymous aacC1 variants in the three host species used. Variants are ordered by increasing COUSIN values in E. coli . GC content at the third base of each codon (GC3) is represented by bubble size. The five variants that could not be transformed into A. baylyi are circled in red on the x-axis. Equivalent figures ordered by increasing COUSIN values in A. baylyi and P. aeruginosa are provided as Fig. S2B and C.

    Journal: Microbiology

    Article Title: Hurdles to horizontal gene transfer: species-specific effects of synonymous variation and plasmid copy number determine antibiotic resistance phenotype

    doi: 10.1099/mic.0.001652

    Figure Lengend Snippet: aacC1 synonymous variant design and constructs. ( a ) First 34 codons of the synonymous variant sequences. The first 10 codons (30 bp) were conserved across variants. The remaining codons were assigned different synonymous codons in a semi-random manner, guided by the codon usage of the bacterial species used. Pairwise identity with wt aacC1 is shown to the right of each sequence. ( b ) Variant constructs were composed of an integron-derived promoter and 5′ UTR, followed by the aacC1 gene and cloned into a pBBR1 broad-host-range plasmid. Variant plasmid sequences differed only by the variable region within aacC1 . ( c ) Codon usage similarity (COUSIN) for the 32 synonymous aacC1 variants in the three host species used. Variants are ordered by increasing COUSIN values in E. coli . GC content at the third base of each codon (GC3) is represented by bubble size. The five variants that could not be transformed into A. baylyi are circled in red on the x-axis. Equivalent figures ordered by increasing COUSIN values in A. baylyi and P. aeruginosa are provided as Fig. S2B and C.

    Article Snippet: Synonymous variants of the aacC1 gene (GenBank: AAB20441.1 , Serratia marcescens ) were designed using the Optimization Analysis function of the COUSIN (COdon Usage Similarity INdex) tool [ ] and codon usage tables (CUTs) of E. coli K12 MG1655 (GenBank: U00096.3 ), P. aeruginosa PAO1 (ATCC 15692, NC_002516.2 ), A. baylyi ADP1 ( NC_005966.1 ) and Bacillus cereus ATCC 14579 (GenBank: AP007209.1 ).

    Techniques: Variant Assay, Construct, Sequencing, Derivative Assay, Clone Assay, Plasmid Preparation, Transformation Assay

    Synonymous variants confer different resistance levels. ( a ) Resistance levels are represented by IC50 AUC , i.e. the concentration of gentamicin required to reduce the AUC by 50% compared to growth in the absence of gentamicin. Synonymous variants are ordered on the x-axis by increasing IC50 AUC in E. coli . ( b ) PCN, quantified by qPCR, in each host variant. Significant differences in PCN are indicated by ***, and non-significant differences are indicated by ns. ( c ) AUC of the three bacteria species carrying the aacC1 variants in 50 µg ml −1 and 400 µg ml −1 of gentamicin. AUC is represented as relative to AUC in 0 µg ml −1 gentamicin. Some variant*species combinations were not tested at each of the concentrations. The AUC of these combinations was set to 0 when the variant*combination did not grow at a lower gentamicin concentration and to 1 when the variant*combination had, in the presence of a higher concentration of gentamicin, an AUC equivalent to the one in the absence of gentamicin. White boxes indicate the five variants that could not be transformed in A. baylyi .

    Journal: Microbiology

    Article Title: Hurdles to horizontal gene transfer: species-specific effects of synonymous variation and plasmid copy number determine antibiotic resistance phenotype

    doi: 10.1099/mic.0.001652

    Figure Lengend Snippet: Synonymous variants confer different resistance levels. ( a ) Resistance levels are represented by IC50 AUC , i.e. the concentration of gentamicin required to reduce the AUC by 50% compared to growth in the absence of gentamicin. Synonymous variants are ordered on the x-axis by increasing IC50 AUC in E. coli . ( b ) PCN, quantified by qPCR, in each host variant. Significant differences in PCN are indicated by ***, and non-significant differences are indicated by ns. ( c ) AUC of the three bacteria species carrying the aacC1 variants in 50 µg ml −1 and 400 µg ml −1 of gentamicin. AUC is represented as relative to AUC in 0 µg ml −1 gentamicin. Some variant*species combinations were not tested at each of the concentrations. The AUC of these combinations was set to 0 when the variant*combination did not grow at a lower gentamicin concentration and to 1 when the variant*combination had, in the presence of a higher concentration of gentamicin, an AUC equivalent to the one in the absence of gentamicin. White boxes indicate the five variants that could not be transformed in A. baylyi .

    Article Snippet: Synonymous variants of the aacC1 gene (GenBank: AAB20441.1 , Serratia marcescens ) were designed using the Optimization Analysis function of the COUSIN (COdon Usage Similarity INdex) tool [ ] and codon usage tables (CUTs) of E. coli K12 MG1655 (GenBank: U00096.3 ), P. aeruginosa PAO1 (ATCC 15692, NC_002516.2 ), A. baylyi ADP1 ( NC_005966.1 ) and Bacillus cereus ATCC 14579 (GenBank: AP007209.1 ).

    Techniques: Concentration Assay, Variant Assay, Bacteria, Transformation Assay

    CUPs and resistance. Pearson correlation between resistance (IC50 AUC ) and tAI (first line), COUSIN (second line), CAI (third line) and |Δ(GC3)| (fourth line) for A. baylyi (first column), E. coli (second column) and P. aeruginosa (third column). Significant correlations ( P <0.05) are represented by a black regression line. Non-significant Pearson correlations are represented by a grey dotted regression line.

    Journal: Microbiology

    Article Title: Hurdles to horizontal gene transfer: species-specific effects of synonymous variation and plasmid copy number determine antibiotic resistance phenotype

    doi: 10.1099/mic.0.001652

    Figure Lengend Snippet: CUPs and resistance. Pearson correlation between resistance (IC50 AUC ) and tAI (first line), COUSIN (second line), CAI (third line) and |Δ(GC3)| (fourth line) for A. baylyi (first column), E. coli (second column) and P. aeruginosa (third column). Significant correlations ( P <0.05) are represented by a black regression line. Non-significant Pearson correlations are represented by a grey dotted regression line.

    Article Snippet: Synonymous variants of the aacC1 gene (GenBank: AAB20441.1 , Serratia marcescens ) were designed using the Optimization Analysis function of the COUSIN (COdon Usage Similarity INdex) tool [ ] and codon usage tables (CUTs) of E. coli K12 MG1655 (GenBank: U00096.3 ), P. aeruginosa PAO1 (ATCC 15692, NC_002516.2 ), A. baylyi ADP1 ( NC_005966.1 ) and Bacillus cereus ATCC 14579 (GenBank: AP007209.1 ).

    Techniques:

    Cell number of E. coli during a phagogram in the automated cwMBR platform with phage MM02 (MOI of 10 −3 and 10 −5 ) at 37°C in complex medium (oscillation frequency of the cwMBR 70 Hz, amplitude 5%). The graphs show the mean and the standard deviation (lightly colored) from triplicates. Automated infection using the nanodispenser with the phages was performed at t = 1 h of incubation of the culture in the cwMBR without phages. The second nanodispenser was applied to compensate for evaporation by adding deionized water every 15 min beginning after 15 min of cultivation.

    Journal: Engineering in Life Sciences

    Article Title: Automation of a Capillary‐Wave Microbioreactor Platform to Enhance Phage Sensitivity Screen Efficiency

    doi: 10.1002/elsc.70021

    Figure Lengend Snippet: Cell number of E. coli during a phagogram in the automated cwMBR platform with phage MM02 (MOI of 10 −3 and 10 −5 ) at 37°C in complex medium (oscillation frequency of the cwMBR 70 Hz, amplitude 5%). The graphs show the mean and the standard deviation (lightly colored) from triplicates. Automated infection using the nanodispenser with the phages was performed at t = 1 h of incubation of the culture in the cwMBR without phages. The second nanodispenser was applied to compensate for evaporation by adding deionized water every 15 min beginning after 15 min of cultivation.

    Article Snippet: Therefore, E. coli K12 MG1655 (DSM 18039) and the phage vB_EcoM_MM02 (short: MM02; DSM 29475) were purchased from the German Collection of Microorganisms and Cell Cultures (DSMZ, Braunschweig, Germany) and used as bacterium and model phage, respectively.

    Techniques: Standard Deviation, Infection, Incubation, Evaporation