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frt flanked puromycin resistance cassette  (Addgene inc)


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    Addgene inc frt flanked puromycin resistance cassette
    Figure 1. Overview of the design and dual-functionality of the TRE-Lox system. (a) Overall structure of the 5′ end of the murine cathepsin D (CatD) gene (CTSD) and its promoter region (PCTSD, dark gray), indicating the relative position of the two gRNAs (black arrows) used for CRISPR/Cas9- assisted homologous recombination. Note the placement of the TATA box (TATA) very close to the main transcription start site (TSS) (right-angle arrow), the presence of the initiation codon (ATG, dashed white line) within Exon 1 (Ex 1, light gray), and the presence of a splice donor (SD) and splice acceptor (SA) flanking Intron 1 (black line). (b) Structure of the TRE-Lox knock-in (KI) insert, illustrating the relative positions of the two tet-operons (tetO2, green) and one LoxP site (LoxP, light blue) within the 5′ untranslated region (5′UTR) and, within Intron 1, a tetracycline response element (TRE) comprised of seven tetO repeats (tetO7) and the second LoxP site. The relative placement of the puromycin resistance cassette <t>(Puror,</t> purple) flanked by two FRT sites (FRT, dark blue), which is excisable by Flp recombinase, is depicted using a curly bracket. (c) Downregulation of CTSD via the action of rtTRKRAB acting on the TRE-Lox insert. In the presence of Dox (red triangles), rtTRKRAB binds to the tetO repeats within both the 5′UTR and Intron 1, triggering methylation of histones in a radius of 2–3 kb, thereby remodeling the chromatin and silencing the CTSD gene. (d) Genetic deletion of CTSD via the action of Cre recombinase on the TRE-Lox insert. The figure depicts the end result of Cre-mediated recombination of the TRE-Lox KI insert, which causes removal of the initiation codon, the first portion of the coding region of Exon 1 encoding the signal peptide of CatD, and the 5′ end of Intron 1.
    Frt Flanked Puromycin Resistance Cassette, supplied by Addgene inc, used in various techniques. Bioz Stars score: 91/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/result/frt flanked puromycin resistance cassette/product/Addgene inc
    Average 91 stars, based on 1 article reviews
    frt flanked puromycin resistance cassette - by Bioz Stars, 2026-06
    91/100 stars

    Images

    1) Product Images from "A Dual-Function "TRE-Lox" System for Genetic Deletion or Reversible, Titratable, and Near-Complete Downregulation of Cathepsin D."

    Article Title: A Dual-Function "TRE-Lox" System for Genetic Deletion or Reversible, Titratable, and Near-Complete Downregulation of Cathepsin D.

    Journal: International journal of molecular sciences

    doi: 10.3390/ijms24076745

    Figure 1. Overview of the design and dual-functionality of the TRE-Lox system. (a) Overall structure of the 5′ end of the murine cathepsin D (CatD) gene (CTSD) and its promoter region (PCTSD, dark gray), indicating the relative position of the two gRNAs (black arrows) used for CRISPR/Cas9- assisted homologous recombination. Note the placement of the TATA box (TATA) very close to the main transcription start site (TSS) (right-angle arrow), the presence of the initiation codon (ATG, dashed white line) within Exon 1 (Ex 1, light gray), and the presence of a splice donor (SD) and splice acceptor (SA) flanking Intron 1 (black line). (b) Structure of the TRE-Lox knock-in (KI) insert, illustrating the relative positions of the two tet-operons (tetO2, green) and one LoxP site (LoxP, light blue) within the 5′ untranslated region (5′UTR) and, within Intron 1, a tetracycline response element (TRE) comprised of seven tetO repeats (tetO7) and the second LoxP site. The relative placement of the puromycin resistance cassette (Puror, purple) flanked by two FRT sites (FRT, dark blue), which is excisable by Flp recombinase, is depicted using a curly bracket. (c) Downregulation of CTSD via the action of rtTRKRAB acting on the TRE-Lox insert. In the presence of Dox (red triangles), rtTRKRAB binds to the tetO repeats within both the 5′UTR and Intron 1, triggering methylation of histones in a radius of 2–3 kb, thereby remodeling the chromatin and silencing the CTSD gene. (d) Genetic deletion of CTSD via the action of Cre recombinase on the TRE-Lox insert. The figure depicts the end result of Cre-mediated recombination of the TRE-Lox KI insert, which causes removal of the initiation codon, the first portion of the coding region of Exon 1 encoding the signal peptide of CatD, and the 5′ end of Intron 1.
    Figure Legend Snippet: Figure 1. Overview of the design and dual-functionality of the TRE-Lox system. (a) Overall structure of the 5′ end of the murine cathepsin D (CatD) gene (CTSD) and its promoter region (PCTSD, dark gray), indicating the relative position of the two gRNAs (black arrows) used for CRISPR/Cas9- assisted homologous recombination. Note the placement of the TATA box (TATA) very close to the main transcription start site (TSS) (right-angle arrow), the presence of the initiation codon (ATG, dashed white line) within Exon 1 (Ex 1, light gray), and the presence of a splice donor (SD) and splice acceptor (SA) flanking Intron 1 (black line). (b) Structure of the TRE-Lox knock-in (KI) insert, illustrating the relative positions of the two tet-operons (tetO2, green) and one LoxP site (LoxP, light blue) within the 5′ untranslated region (5′UTR) and, within Intron 1, a tetracycline response element (TRE) comprised of seven tetO repeats (tetO7) and the second LoxP site. The relative placement of the puromycin resistance cassette (Puror, purple) flanked by two FRT sites (FRT, dark blue), which is excisable by Flp recombinase, is depicted using a curly bracket. (c) Downregulation of CTSD via the action of rtTRKRAB acting on the TRE-Lox insert. In the presence of Dox (red triangles), rtTRKRAB binds to the tetO repeats within both the 5′UTR and Intron 1, triggering methylation of histones in a radius of 2–3 kb, thereby remodeling the chromatin and silencing the CTSD gene. (d) Genetic deletion of CTSD via the action of Cre recombinase on the TRE-Lox insert. The figure depicts the end result of Cre-mediated recombination of the TRE-Lox KI insert, which causes removal of the initiation codon, the first portion of the coding region of Exon 1 encoding the signal peptide of CatD, and the 5′ end of Intron 1.

    Techniques Used: CRISPR, Homologous Recombination, Knock-In, Methylation



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    frt flanked puromycin resistance cassette  (Addgene inc)
    91
    Addgene inc frt flanked puromycin resistance cassette
    Figure 1. Overview of the design and dual-functionality of the TRE-Lox system. (a) Overall structure of the 5′ end of the murine cathepsin D (CatD) gene (CTSD) and its promoter region (PCTSD, dark gray), indicating the relative position of the two gRNAs (black arrows) used for CRISPR/Cas9- assisted homologous recombination. Note the placement of the TATA box (TATA) very close to the main transcription start site (TSS) (right-angle arrow), the presence of the initiation codon (ATG, dashed white line) within Exon 1 (Ex 1, light gray), and the presence of a splice donor (SD) and splice acceptor (SA) flanking Intron 1 (black line). (b) Structure of the TRE-Lox knock-in (KI) insert, illustrating the relative positions of the two tet-operons (tetO2, green) and one LoxP site (LoxP, light blue) within the 5′ untranslated region (5′UTR) and, within Intron 1, a tetracycline response element (TRE) comprised of seven tetO repeats (tetO7) and the second LoxP site. The relative placement of the puromycin resistance cassette <t>(Puror,</t> purple) flanked by two FRT sites (FRT, dark blue), which is excisable by Flp recombinase, is depicted using a curly bracket. (c) Downregulation of CTSD via the action of rtTRKRAB acting on the TRE-Lox insert. In the presence of Dox (red triangles), rtTRKRAB binds to the tetO repeats within both the 5′UTR and Intron 1, triggering methylation of histones in a radius of 2–3 kb, thereby remodeling the chromatin and silencing the CTSD gene. (d) Genetic deletion of CTSD via the action of Cre recombinase on the TRE-Lox insert. The figure depicts the end result of Cre-mediated recombination of the TRE-Lox KI insert, which causes removal of the initiation codon, the first portion of the coding region of Exon 1 encoding the signal peptide of CatD, and the 5′ end of Intron 1.
    Frt Flanked Puromycin Resistance Cassette, supplied by Addgene inc, used in various techniques. Bioz Stars score: 91/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/result/frt flanked puromycin resistance cassette/product/Addgene inc
    Average 91 stars, based on 1 article reviews
    frt flanked puromycin resistance cassette - by Bioz Stars, 2026-06
    91/100 stars
    		  Buy from Supplier
    frt-flanked puromycin resistance cassette  (Addgene inc)
    90
    Addgene inc frt-flanked puromycin resistance cassette
    Figure 1. Overview of the design and dual-functionality of the TRE-Lox system. (a) Overall structure of the 5′ end of the murine cathepsin D (CatD) gene (CTSD) and its promoter region (PCTSD, dark gray), indicating the relative position of the two gRNAs (black arrows) used for CRISPR/Cas9- assisted homologous recombination. Note the placement of the TATA box (TATA) very close to the main transcription start site (TSS) (right-angle arrow), the presence of the initiation codon (ATG, dashed white line) within Exon 1 (Ex 1, light gray), and the presence of a splice donor (SD) and splice acceptor (SA) flanking Intron 1 (black line). (b) Structure of the TRE-Lox knock-in (KI) insert, illustrating the relative positions of the two tet-operons (tetO2, green) and one LoxP site (LoxP, light blue) within the 5′ untranslated region (5′UTR) and, within Intron 1, a tetracycline response element (TRE) comprised of seven tetO repeats (tetO7) and the second LoxP site. The relative placement of the puromycin resistance cassette <t>(Puror,</t> purple) flanked by two FRT sites (FRT, dark blue), which is excisable by Flp recombinase, is depicted using a curly bracket. (c) Downregulation of CTSD via the action of rtTRKRAB acting on the TRE-Lox insert. In the presence of Dox (red triangles), rtTRKRAB binds to the tetO repeats within both the 5′UTR and Intron 1, triggering methylation of histones in a radius of 2–3 kb, thereby remodeling the chromatin and silencing the CTSD gene. (d) Genetic deletion of CTSD via the action of Cre recombinase on the TRE-Lox insert. The figure depicts the end result of Cre-mediated recombination of the TRE-Lox KI insert, which causes removal of the initiation codon, the first portion of the coding region of Exon 1 encoding the signal peptide of CatD, and the 5′ end of Intron 1.
    Frt Flanked Puromycin Resistance Cassette, supplied by Addgene inc, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/result/frt-flanked puromycin resistance cassette/product/Addgene inc
    Average 90 stars, based on 1 article reviews
    frt-flanked puromycin resistance cassette - by Bioz Stars, 2026-06
    90/100 stars
    		  Buy from Supplier

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    Figure 1. Overview of the design and dual-functionality of the TRE-Lox system. (a) Overall structure of the 5′ end of the murine cathepsin D (CatD) gene (CTSD) and its promoter region (PCTSD, dark gray), indicating the relative position of the two gRNAs (black arrows) used for CRISPR/Cas9- assisted homologous recombination. Note the placement of the TATA box (TATA) very close to the main transcription start site (TSS) (right-angle arrow), the presence of the initiation codon (ATG, dashed white line) within Exon 1 (Ex 1, light gray), and the presence of a splice donor (SD) and splice acceptor (SA) flanking Intron 1 (black line). (b) Structure of the TRE-Lox knock-in (KI) insert, illustrating the relative positions of the two tet-operons (tetO2, green) and one LoxP site (LoxP, light blue) within the 5′ untranslated region (5′UTR) and, within Intron 1, a tetracycline response element (TRE) comprised of seven tetO repeats (tetO7) and the second LoxP site. The relative placement of the puromycin resistance cassette (Puror, purple) flanked by two FRT sites (FRT, dark blue), which is excisable by Flp recombinase, is depicted using a curly bracket. (c) Downregulation of CTSD via the action of rtTRKRAB acting on the TRE-Lox insert. In the presence of Dox (red triangles), rtTRKRAB binds to the tetO repeats within both the 5′UTR and Intron 1, triggering methylation of histones in a radius of 2–3 kb, thereby remodeling the chromatin and silencing the CTSD gene. (d) Genetic deletion of CTSD via the action of Cre recombinase on the TRE-Lox insert. The figure depicts the end result of Cre-mediated recombination of the TRE-Lox KI insert, which causes removal of the initiation codon, the first portion of the coding region of Exon 1 encoding the signal peptide of CatD, and the 5′ end of Intron 1.

    Journal: International journal of molecular sciences

    Article Title: A Dual-Function "TRE-Lox" System for Genetic Deletion or Reversible, Titratable, and Near-Complete Downregulation of Cathepsin D.

    doi: 10.3390/ijms24076745

    Figure Lengend Snippet: Figure 1. Overview of the design and dual-functionality of the TRE-Lox system. (a) Overall structure of the 5′ end of the murine cathepsin D (CatD) gene (CTSD) and its promoter region (PCTSD, dark gray), indicating the relative position of the two gRNAs (black arrows) used for CRISPR/Cas9- assisted homologous recombination. Note the placement of the TATA box (TATA) very close to the main transcription start site (TSS) (right-angle arrow), the presence of the initiation codon (ATG, dashed white line) within Exon 1 (Ex 1, light gray), and the presence of a splice donor (SD) and splice acceptor (SA) flanking Intron 1 (black line). (b) Structure of the TRE-Lox knock-in (KI) insert, illustrating the relative positions of the two tet-operons (tetO2, green) and one LoxP site (LoxP, light blue) within the 5′ untranslated region (5′UTR) and, within Intron 1, a tetracycline response element (TRE) comprised of seven tetO repeats (tetO7) and the second LoxP site. The relative placement of the puromycin resistance cassette (Puror, purple) flanked by two FRT sites (FRT, dark blue), which is excisable by Flp recombinase, is depicted using a curly bracket. (c) Downregulation of CTSD via the action of rtTRKRAB acting on the TRE-Lox insert. In the presence of Dox (red triangles), rtTRKRAB binds to the tetO repeats within both the 5′UTR and Intron 1, triggering methylation of histones in a radius of 2–3 kb, thereby remodeling the chromatin and silencing the CTSD gene. (d) Genetic deletion of CTSD via the action of Cre recombinase on the TRE-Lox insert. The figure depicts the end result of Cre-mediated recombination of the TRE-Lox KI insert, which causes removal of the initiation codon, the first portion of the coding region of Exon 1 encoding the signal peptide of CatD, and the 5′ end of Intron 1.

    Article Snippet: Relevant regions (and their sources) were as follows: the 3′ end of Exon 1 and the 5′ portion of Intron 1 of murine CTSD (from C57Bl6/J mouse tail DNA); tetO2 (from Addgene plasmid #113892 [41]); TRE 3G and, separately, an FRT-flanked puromycin resistance cassette (both from Addgene plasmid #156430 [42]).

    Techniques: CRISPR, Homologous Recombination, Knock-In, Methylation