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A CRISPR Interference System for Efficient and Rapid Gene Knockdown in Caulobacter crescentus.

Guzzo M, Castro LK, Reisch CR, Guo MS, Laub MT
mBio. 2020 Jan 14;11(1):e02415-19. doi: 10.1128/mBio.02415-19. (Link opens in a new window) PubMed (Link opens in a new window) Article

Plasmids from Article

ID Plasmid Purpose
133316pXGFPC-5 Pxyl-dcas9 (Spy)expresses dcas9 from Streptococcus pyogenes; repressed with 0.2% glucose, induced with 0.3% xylose; for homologous recombination at the xylose locus in Caulobacter crescentus; tetracycline resistance
133317pXGFPC-5 Pxyl-dcas9 (Sth3)expresses dcas9 (Streptococcus thermophilus #3); repressed with 0.2% glucose, induced with 0.3% xylose; for homologous recombination at the xyl locus in Caulobacter crescentus; tetracycline resistance
133318pXGFPC-5 Pxyl-dcas9 (Spa)expresses dcas9 (Streptococcus pasteurianus); repressed with 0.2% glucose, induced with 0.3% xylose; for homologous recombination at the xylose locus in Caulobacter crescentus; tetracycline resistance
133319pVCERC-5 Pvan-dcas9 (Sth3)expresses dcas9 from Streptococcus thermophilus #3; induced with vanillate; for homologous recombination at the vanillate locus in Caulobacter crescentus; tetracycline resistance
133334pBXMCS-2 Pconstitutive-sgRNA(Spy)_ctrAfor constitutive expression of a single guide RNA from Streptococcus pyogenes with a seed region that targets ctrA gene's promoter from Caulobacter crescentus
133339pBXMCS-2 Pconstitutive-sgRNA(Sth3)_ctrAfor constitutive expression of a single guide RNA from Streptococcus thermophilus #3 with a seed region that targets ctrA gene's promoter from Caulobacter crescentus
133340pBXMCS-2 Pconstitutive-sgRNA(Sth3)_gcrA1for constitutive expression of a single guide RNA from Streptococcus thermophilus #3 with a seed region that targets gcrA gene's promoter on the non-template strand in Caulobacter crescentus
133341pBXMCS-2 Pconstitutive-sgRNA(Sth3)_gcrA2for constitutive expression of a single guide RNA from Streptococcus thermophilus #3 with a seed region that targets gcrA gene's promoter on the template strand in Caulobacter crescentus
133342pBXMCS-2 Pconstitutive-sgRNA(Spa)_ctrAfor constitutive expression of a single guide RNA from Streptococcus pasteurianus with a seed region that targets ctrA gene's promoter from Caulobacter crescentus
133343pBXMCS-2 Pconstitutive-sgRNA(Spa)_gcrA3for constitutive expression of a single guide RNA from Streptococcus pasteurianus with a seed region that targets gcrA gene's promoter from Caulobacter crescentus
133344pBXMCS-2 Pconstitutive-sgRNA(Sth3)_cpaAfor constitutive expression of a single guide RNA from Streptococcus thermophilus #3 with a seed region that targets cpaA gene's promoter from Caulobacter crescentus
133345pBXMCS-2 Pconstitutive-sgRNA(Sth3)_blaAfor constitutive expression of a single guide RNA from Streptococcus thermophilus #3 with a seed region that targets blaA gene's promoter from Caulobacter crescentus
133347pBXMCS-2 Pconstitutive-sgRNA(Sth3)_cpaA- Pconstitutive-sgRNA(Sth3)_blaAexpression of two sgRNA from Streptococcus thermophilus #3 each express from its own constitutive promoter; here first one targets cpaA and second one targets blaA (from Caulobacter crescentus)
133348pBXMCS-2 Pconstitutive-sgRNA(Sth3)_blaA- Pconstitutive-sgRNA(Sth3)_cpaAexpression of two sgRNA from Streptococcus thermophilus #3 each express from its own constitutive promoter; here first one targets blaA and second one targets cpaA (from Caulobacter crescentus)

Antibodies from Article