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| Plasmid Name | Proper Citation | Insert Name | Organism | Bacterial Resistance | Defining Citation |
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E. coli ER1821ΔlacI Resource Report Resource Website |
RRID:Addgene_141407 | None | PMID:31980824 | λ- F- glnX44 e14- (McrA-) rfbD1 endA1 thi-1 Δ(yjiT-opgB)114::IS10 (EcoKI R- M- McrBC- Mrr-) + rpoS393(am) creC510 lrhA::IS3 ydeN::IS10 ΔlacI Verification of lacI deletion: PCR reaction on genomic DNA using AK362 and AK365 primers produces a 1936 bp fragment AK 362 5’-CAATACCAATCGCACGCGG AK 365 5’-CGAGACGTCACGGAAAATGCC Phenotype: Constitutive β-galactosidase synthesis This strain was derived from the precursor strain, E. coli ER1821, which is described in Jobling et al. (2016) Complete Genome Sequence of Escherichia coli ER1821R, a Laboratory K-12 Derivative Engineered To Be Deficient in All Methylcytosine and Methyladenine Restriction Systems. Genome Announc 4(4):e00763-16. https://www.ncbi.nlm.nih.gov/pubmed/27516504 | Vector Backbone:n/a; Vector Types:; Bacterial Resistance:None | 2026-09-05 12:49:01 | 0 | |||
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IF189 Resource Report Resource Website |
RRID:Addgene_134836 | lysogen of a temperature-inducible bacteriophage lambda | None | PMID:28522818 | Genotype is [λ+ Lac- galK2 IN(rrnD-rrnE)1 rph-1], a derivative of strain W3102 Phenotypic assay: Grow at 30°C, but restricted at 42°C due to the induction of phage particles and cell lysis. | Vector Backbone:none; Vector Types:; Bacterial Resistance:None | 2026-09-05 12:48:02 | 0 | ||
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RF15 Resource Report Resource Website |
RRID:Addgene_102799 | none | None | PMID:33289521 | This work is supported in part by JSPS-NSF International Collaborations in Chemistry (ICC) research grant. Genotype= aspC tyrB trpA trpB glyA serB Precursor strain = RF14 Modified from the parent Escherichia coli BL21(DE3) strain Selective amino acid labeling (and/or requirement) = Asp, Tyr, Trp, (Phe), Gly, Ser+++++ +++++ RF15 has knockouts in aspC, tyrB, trpA, trpB, glyA and serB genes and requires the presence of L-Asp, L-Tyr, L-Trp, L-Gly plus L-Ser for growth in M63 minimal medium, but it does NOT grow in the presence of L-Asp, L-Tyr, L-Trp, L-Gly, L-Ser plus L-Cys (either in the presence or absence of L-Ala) (i.e., L-Cys inhibits the growth of RF15) Please visit the following links for additional details on this strain and selective amino acid labeling- http://www2.nms.ac.jp/fesworld/EcoliStrains.html http://www2.nms.ac.jp/fesworld/EcoliStrainsSuppl.html Note that these strains are NOT competent cells and one needs to make them competent before use. Supplemental documents contain a list of PCR primers used for verification of each knocked-out gene as well as an image showing PCR results for this strain. Supporting References: Lin, M. T., Fukazawa, R., Miyajima-Nakano, Y., Matsushita, S., Choi, S. K., Iwasaki, T., and Gennis, R. B. (2015) Escherichia coliauxotroph host strains for amino acid-selective isotope labeling of recombinant proteins. Methods Enzymol. (Isotope Labeling of Biomolecules - Labeling Methods), 565, 45-66. Iwasaki, T., Fukazawa, R., Miyajima-Nakano, Y., Baldansuren, A., Matsushita, S., Lin, M. T., Gennis, R. B., Hasegawa, K., Kumasaka, T., and Dikanov, S. A. (2012) Dissection of hydrogen bond interaction network around an iron-sulfur cluster by site-specific isotope labeling of hyperthermophilic archaeal Rieske-type ferredoxin. J. Am. Chem. Soc. 134, 19731-19738. Lin, M. T., Sperling, L. J., Frericks Schmidt, H. L., Tang, M., Samoilova, R. I., Kumasaka, T., Iwasaki, T., Dikanov, S. A., Rienstra, C. M., and Gennis, R. B. (2011) A rapid and robust method for selective isotope labeling of proteins. Methods 55, 370-378. | Vector Backbone:none; Vector Types:; Bacterial Resistance:None | 2026-09-05 12:43:02 | 0 | ||
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RF21 Resource Report Resource Website |
RRID:Addgene_102803 | none | None | PMID:33289521 | This work is supported in part by JSPS-NSF International Collaborations in Chemistry (ICC) research grant. Genotype= aspC tyrB ilvE avtA yfbQ(alaA) yfdZ(alaC) Precursor strain = RF18 Modified from the parent Escherichia coli BL21(DE3) strain Selective amino acid labeling (and/or requirement) = Asp, Tyr, Phe, Ile, Leu, Val#### #### RF21 has knockouts in the four general transaminase genes of E. coli (aspC, tyrB, ilvE, and avtA) and is found to require the presence of L-Asp, L-Tyr, L-Phe, L-Ile, L-Leu plus L-Val for slow growth in M63 minimal medium. Although RF21 strain has further knockouts in yfbQ (alaA) and yfdZ (alaC) genes, it is NOT an L-Ala auxotroph, either (requiring the presence of L-Asp, L-Tyr, L-Phe, L-Ile, L-Leu plus L-Val for slow growth in M63 minimal medium, like RF18). Please visit the following links for additional details on this strain and selective amino acid labeling- http://www2.nms.ac.jp/fesworld/EcoliStrains.html http://www2.nms.ac.jp/fesworld/EcoliStrainsSuppl.html Note that these strains are NOT competent cells and one needs to make them competent before use. Supplemental documents contain a list of PCR primers used for verification of each knocked-out gene as well as an image showing PCR results for this strain. Supporting References: Lin, M. T., Fukazawa, R., Miyajima-Nakano, Y., Matsushita, S., Choi, S. K., Iwasaki, T., and Gennis, R. B. (2015) Escherichia coliauxotroph host strains for amino acid-selective isotope labeling of recombinant proteins. Methods Enzymol. (Isotope Labeling of Biomolecules - Labeling Methods), 565, 45-66. Iwasaki, T., Fukazawa, R., Miyajima-Nakano, Y., Baldansuren, A., Matsushita, S., Lin, M. T., Gennis, R. B., Hasegawa, K., Kumasaka, T., and Dikanov, S. A. (2012) Dissection of hydrogen bond interaction network around an iron-sulfur cluster by site-specific isotope labeling of hyperthermophilic archaeal Rieske-type ferredoxin. J. Am. Chem. Soc. 134, 19731-19738. Lin, M. T., Sperling, L. J., Frericks Schmidt, H. L., Tang, M., Samoilova, R. I., Kumasaka, T., Iwasaki, T., Dikanov, S. A., Rienstra, C. M., and Gennis, R. B. (2011) A rapid and robust method for selective isotope labeling of proteins. Methods 55, 370-378. | Vector Backbone:none; Vector Types:; Bacterial Resistance:None | 2026-09-05 12:43:02 | 0 | ||
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RF18 Resource Report Resource Website |
RRID:Addgene_102802 | none | None | PMID:33289521 | This work is supported in part by JSPS-NSF International Collaborations in Chemistry (ICC) research grant. Genotype= aspC tyrB ilvE avtA Precursor strain = RF17 Modified from the parent Escherichia coli BL21(DE3) strain Selective amino acid labeling (and/or requirement) = Asp, Tyr, Phe, Ile, Leu, Val#### ####RF18 has knockouts in the four general transaminase genes of E. coli (aspC, tyrB, ilvE, and avtA) and is found to require the presence of L-Asp, L-Tyr, L-Phe, L-Ile, L-Leu plus L-Val for slow growth in M63 minimal medium. Please visit the following links for additional details on this strain and selective amino acid labeling- http://www2.nms.ac.jp/fesworld/EcoliStrains.html http://www2.nms.ac.jp/fesworld/EcoliStrainsSuppl.html Note that these strains are NOT competent cells and one needs to make them competent before use. Supplemental documents contain a list of PCR primers used for verification of each knocked-out gene as well as an image showing PCR results for this strain. Supporting References: Lin, M. T., Fukazawa, R., Miyajima-Nakano, Y., Matsushita, S., Choi, S. K., Iwasaki, T., and Gennis, R. B. (2015) Escherichia coliauxotroph host strains for amino acid-selective isotope labeling of recombinant proteins. Methods Enzymol. (Isotope Labeling of Biomolecules - Labeling Methods), 565, 45-66. Iwasaki, T., Fukazawa, R., Miyajima-Nakano, Y., Baldansuren, A., Matsushita, S., Lin, M. T., Gennis, R. B., Hasegawa, K., Kumasaka, T., and Dikanov, S. A. (2012) Dissection of hydrogen bond interaction network around an iron-sulfur cluster by site-specific isotope labeling of hyperthermophilic archaeal Rieske-type ferredoxin. J. Am. Chem. Soc. 134, 19731-19738. Lin, M. T., Sperling, L. J., Frericks Schmidt, H. L., Tang, M., Samoilova, R. I., Kumasaka, T., Iwasaki, T., Dikanov, S. A., Rienstra, C. M., and Gennis, R. B. (2011) A rapid and robust method for selective isotope labeling of proteins. Methods 55, 370-378. | Vector Backbone:none; Vector Types:; Bacterial Resistance:None | 2026-09-05 12:43:02 | 0 | ||
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BL21ΔBC Resource Report Resource Website |
RRID:Addgene_102263 | None | PMID:29164072 | Genotype = ΔlamB ΔompC Precursor strain = BL21Gold(DE3) [genotype F- ompT hsdS(rB– mB– ) dcm+ Tetr gal λ(DE3) endA Hte] Supplemental document contains a list of genotypes and PCR primers used for verification of each knocked-out gene | Vector Backbone:none; Vector Types:; Bacterial Resistance:None | 2026-09-05 12:42:59 | 0 | |||
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BL21ΔCF Resource Report Resource Website |
RRID:Addgene_102265 | None | PMID:29164072 | Genotype = ΔompC ΔompF Precursor strain = BL21Gold(DE3) [genotype F- ompT hsdS(rB– mB– ) dcm+ Tetr gal λ(DE3) endA Hte] Supplemental document contains a list of genotypes and PCR primers used for verification of each knocked-out gene | Vector Backbone:none; Vector Types:; Bacterial Resistance:None | 2026-09-05 12:42:59 | 0 | |||
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BL21ΔAF Resource Report Resource Website |
RRID:Addgene_102262 | None | PMID:29164072 | Genotype = ΔompA ΔompF Precursor strain = BL21Gold(DE3) [genotype F- ompT hsdS(rB– mB– ) dcm+ Tetr gal λ(DE3) endA Hte] Supplemental document contains a list of genotypes and PCR primers used for verification of each knocked-out gene | Vector Backbone:none; Vector Types:; Bacterial Resistance:None | 2026-09-05 12:42:59 | 0 | |||
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BL21ΔA Resource Report Resource Website 1+ mentions |
RRID:Addgene_102256 | None | PMID:29164072 | Genotype = ΔompA Precursor strain = BL21Gold(DE3) [genotype F- ompT hsdS(rB– mB– ) dcm+ Tetr gal λ(DE3) endA Hte] Supplemental document contains a list of genotypes and PCR primers used for verification of each knocked-out gene | Vector Backbone:none; Vector Types:; Bacterial Resistance:None | 2026-09-05 12:42:59 | 1 | |||
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BL21ΔB Resource Report Resource Website |
RRID:Addgene_102257 | None | PMID:29164072 | Genotype = ΔlamB Precursor strain = BL21Gold(DE3) [genotype F- ompT hsdS(rB– mB– ) dcm+ Tetr gal λ(DE3) endA Hte] Supplemental document contains a list of genotypes and PCR primers used for verification of each knocked-out gene | Vector Backbone:none; Vector Types:; Bacterial Resistance:None | 2026-09-05 12:42:59 | 0 | |||
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BL21ΔABC Resource Report Resource Website |
RRID:Addgene_102266 | None | PMID:29164072 | Genotype = ΔompA ΔlamB ΔompC Precursor strain = BL21Gold(DE3) [genotype F- ompT hsdS(rB– mB– ) dcm+ Tetr gal λ(DE3) endA Hte] Supplemental document contains a list of genotypes and PCR primers used for verification of each knocked-out gene | Vector Backbone:none; Vector Types:; Bacterial Resistance:None | 2026-09-05 12:42:59 | 0 | |||
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BL21ΔABF Resource Report Resource Website |
RRID:Addgene_102267 | None | PMID:29164072 | Genotype = ΔompA ΔlamB ΔompF Precursor strain = BL21Gold(DE3) [genotype F- ompT hsdS(rB– mB– ) dcm+ Tetr gal λ(DE3) endA Hte] Supplemental document contains a list of genotypes and PCR primers used for verification of each knocked-out gene | Vector Backbone:none; Vector Types:; Bacterial Resistance:None | 2026-09-05 12:42:59 | 0 | |||
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JS200 strain Resource Report Resource Website |
RRID:Addgene_11794 | JS200 | None | PMID:12909725 | For use with pEP PolI (addgene #11722) and pWT PolI (addgene #11721). This strain contains a temp sens mutation in PolI. | Backbone Size:0; Vector Backbone:n/a; Vector Types:; Bacterial Resistance:None | 2026-09-05 12:45:27 | 0 | ||
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FR-E01 Resource Report Resource Website 1+ mentions |
RRID:Addgene_118727 | none | None | PMID:30403660 | E. coli K12 MG1655 genotype: F- λ- ilvG- rfb-50 rph-1 Integration at HK022 attB: pOSIP-KH-RBS2-dCas9 | Vector Backbone:none; Vector Types:; Bacterial Resistance:None | 2026-09-05 12:45:35 | 1 | ||
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39R861+ Resource Report Resource Website |
RRID:Addgene_119737 | None | PMID:30738800 | Strain can be grown on LB without antibiotics. Resistant to: ampicillin, chloramphenicol, florfenicol, gentamicin, kanamycin, nalidixic acid, streptomycin, spectinomycin, sulphonamides, tobramycin, tetracycline, trimethoprim Please note that plasmids are stable in the absence of antibiotic selection. 39R861+ is resistant to nalidixic acid due to a chromosomal mutation. The remaining resistance determinants are plasmid-borne. 39R861+ contains six plasmids, outlined in the supplemental files. | Vector Backbone:See supplemental files for plasmid details; Vector Types:; Bacterial Resistance:None | 2026-09-05 12:45:43 | 0 | |||
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LC-E18 Resource Report Resource Website |
RRID:Addgene_115924 | none | None | PMID:29765036 | E. coli K12 MG1655 genotype: F- λ- ilvG- rfb-50 rph-1 Integration at lambda attB: pOSIP-KL-sulA-GFP Integration at HK022 attB: pOSIP-KO-RBS2-dCas9 SulA-GFP acts as an SOS response reporter. | Vector Backbone:none; Vector Types:; Bacterial Resistance:None | 2026-09-05 12:45:06 | 0 | ||
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AV04 Resource Report Resource Website |
RRID:Addgene_115926 | none | None | PMID:29765036 | E. coli K12 MG1655 genotype: F- λ- ilvG- rfb-50 rph-1 Integration at lambda attB: pOSIP-KL-mCherry Integration at primary 186 attB: pOSIP-KO-RBS2-dCas9 mCherry quantifies dCas9 repression | Vector Backbone:none; Vector Types:; Bacterial Resistance:None | 2026-09-05 12:45:06 | 0 | ||
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Strain CSH100 Resource Report Resource Website |
RRID:Addgene_21875 | CSH100 bacterial Strain | None | PMID:19798082 | F’ lac proA+proB+(lacIq lacPL8)/ara- ∆(gpt-lac)5 This strain will be shipped as bacteria in an LB stab. Upon receipt, requesting scientists should restreak the strain on an M9 minimal plate. After restreaking on M9 to confirm the presence of the F', scientists can grow the strain in liquid LB. M9 minimal medium agar plates: To prepare 500 ml, autoclave 439 ml H2O with 7.5 g Bacto-agar and a stir bar. When agar has cooled to approximately 65°C, add 50 ml 10X M9 salts, 1 ml 1 M MgSO4, 10 ml 20% (w/v) glucose and 0.5 ml 100mM CaCl2 and then pour plates. Plates can be stored indefinitely at 4°C in sealed plastic bags. (Alternatively, M9 plates can be purchased from Teknonva: https://www.teknova.com/content/teknova/us/en/products/product-page.html/m1260.html). | Backbone Size:0; Vector Backbone:n/a; Vector Types:; Bacterial Resistance:None | 2026-09-05 12:53:56 | 0 | ||
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BLIM cells Resource Report Resource Website 1+ mentions |
RRID:Addgene_35609 | none | None | PMID:10610690 | To be used with the following plasmids from the Matthews lab: pTARA (www.addgene.org/31491), pLS1 (www.addgene.org/31490), and (www.addgene.org/31492) pLS1/-11 | Vector Backbone:NA; Vector Types:; Bacterial Resistance:None | 2026-09-05 12:55:33 | 1 | ||
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BL21∆serB Resource Report Resource Website 1+ mentions |
RRID:Addgene_34929 | None | PMID:21868676 | To prevent possible enzymatic dephosphorylation of O-phospho-L-serine (Sep) in vivo, the gene encoding phosphoserine phosphatase (serB), which catalyzes the last step in serine biosynthesis, was deleted from Escherichia coli strain BL21. Markerless gene deletions were carried out using a λ-red and FLP recombinase-based gene knockout strategy. | Vector Backbone:None; Vector Types:; Bacterial Resistance:None | 2026-09-05 12:55:27 | 5 |
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