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C321.ΔA.exp

Bacterial Strain

#49018

Purpose

This is C321.DA with mutS reverted and the lambda prophage removed; it exhibits lesser spontaneous mutagenesis and can be grown at 37 C

Depositor

George Church

Article

Lajoie et al Science. 2013 Oct 18;342(6156):357-60. d

Bacterial Resistance

Bleocin (zeocin)

Species

Escherichia coli

Available since

Feb. 18, 2014

Availability

Academic Institutions and Nonprofits only
RHO3

Bacterial Strain

#124700

Purpose

E. coli mobilizer strain that facilitates conjugation of mobilizable plasmids by using metabolic counter-selection against the donor strain.

Depositor

Herbert Schweizer

Article

Lopez et al Appl Environ Microbiol. 2009 Oct;75(20):

Bacterial Resistance

Dap (400 µg/ml)

Available since

April 5, 2021

Availability

Academic Institutions and Nonprofits only
BL21 ΔrecBCD

Bacterial Strain

#176581

Purpose

E. coli BL21 strain (with recBCD genomic locus deleted) for making cell-free extracts for Linear DNA expression.

Depositor

Jean-Loup Faulon, Chase Beisel

Article

Batista et al ACS Synth Biol. 2022 Jan 16. doi: 10.102

Bacterial Resistance

None

Available since

Dec. 14, 2021

Availability

Academic Institutions and Nonprofits only
BL21(DE3)-R3-pRARE2

Bacterial Strain

#26242

Purpose

Phage-resistant derivative of BL21(DE3), which has been transformed with plasmid pRARE2, which carries seven rare-codon tRNA genes.

Depositor

Opher Gileadi

Article

Savitsky et al J Struct Biol. 2010 Jun 10. ():.

Bacterial Resistance

Chloramphenicol

Available since

Sept. 6, 2019

Availability

Academic Institutions and Nonprofits only
E. coli BW25113 ΔtnaA ΔtrpR

Bacterial Strain

#205015

Purpose

Used for the characterization of the TrpR1-PtrpO1 biosensor system with the deletion of tnaA gene and trpR gene (no antibiotics marker)

Depositor

Yajun Yan

Article

Gong et al ACS Synth Biol. 2022 Jun 17;11(6):2175-2

Bacterial Resistance

None

Species

Escherichia coli

Available since

Aug. 3, 2023

Availability

Industry, Academic Institutions, and Nonprofits
BL21 Rosetta2 ΔrecBCD GamS

Bacterial Strain

#176586

Purpose

E. coli BL21 strain (with recBCD genomic locus deleted) for making cell-free extracts for Linear DNA expression. Contains pRARE2 + pBADmod1-linker2-gamS plasmids.

Depositor

Jean-Loup Faulon

Article

Batista et al ACS Synth Biol. 2022 Jan 16. doi: 10.102

Bacterial Resistance

Chloramphenicol and ampicillin

Available since

Dec. 14, 2021

Availability

Academic Institutions and Nonprofits only
B-95.ΔAΔfabR

Bacterial Strain

#197934

Purpose

BL21(DE3)-based E. coli with 95 UAG codons and RF-1 being removed for translating UAG to noncanonical amino acids

Depositor

Kensaku Sakamoto

Article

Mukai et al Sci Rep. 2015 May 18;5:9699. doi: 10.103

Bacterial Resistance

None

Available since

March 8, 2023

Availability

Academic Institutions and Nonprofits only
S2060

Bacterial Strain

#105064

Purpose

host strain for phage assisted continuous evolution

Depositor

David Liu

Article

Hubbard et al Nat Methods. 2015 Oct;12(10):939-42. doi

Bacterial Resistance

Streptomycin and tetracycline

Available since

March 23, 2018

Availability

Academic Institutions and Nonprofits only
B95(DE3) ΔA ΔfabR ΔserB

Bacterial Strain

#197655

Purpose

This strain is used for expressing phosphoserine-containing proteins using genetic code expansion without buildup of prematurely truncated protein.

Depositor

Ryan Mehl, Richard Cooley

Article

Zhu et al ACS Chem Biol. 2019 Jul 19;14(7):1564-15

Bacterial Resistance

None

Available since

March 16, 2023

Availability

Academic Institutions and Nonprofits only
LC-E75

Bacterial Strain

#115925

Purpose

Expression of dCas9 gene under the control of a weak Ptet promoter in the E. coli chromosome

Depositor

David Bikard

Article

Cui et al Nat Commun. 2018 May 15;9(1):1912. doi:

Bacterial Resistance

None

Available since

March 26, 2019

Availability

Academic Institutions and Nonprofits only
C321.ΔA

Bacterial Strain

#48998

Purpose

Recoded E. coli MG1655 strain with UAG termination function removed (RF1 is deleted)

Depositor

George Church

Article

Lajoie et al Science. 2013 Oct 18;342(6156):357-60. d

Bacterial Resistance

Ampicillin

Species

Escherichia coli

Available since

Oct. 24, 2013

Availability

Academic Institutions and Nonprofits only
B-95.ΔA

Bacterial Strain

#197933

Purpose

BL21(DE3)-based E. coli with 95 UAG codons and RF-1 being removed for translating UAG to noncanonical amino acids

Depositor

Kensaku Sakamoto

Article

Mukai et al Sci Rep. 2015 May 18;5:9699. doi: 10.103

Bacterial Resistance

None

Available since

Nov. 27, 2023

Availability

Academic Institutions and Nonprofits only
AdEasier-1 cells (strain)

Bacterial Strain

#16399

Depositor

Bert Vogelstein

Article

He et al Proc Natl Acad Sci U S A. 1998 Mar 3. 95

Bacterial Resistance

Ampicillin and streptomycin

Species

Escherichia coli

Available since

June 11, 2008

Availability

Academic Institutions and Nonprofits only
eScaf

Bacterial Strain

#220921

Purpose

cssDNA production strain

Depositor

Shawn Douglas

Article

Shen et al Nucleic Acids Res. 2024 Apr 24;52(7):409

Bacterial Resistance

None

Species

Escherichia coli

Available since

Aug. 19, 2024

Availability

Academic Institutions and Nonprofits only
V. natriegens NC7

Bacterial Strain

#215356

Purpose

Vibrio natriegens with genomically integrated natural competence regulator, TfoX. For zero-capital molecular biology applications.

Depositor

Buz Barstow

Bacterial Resistance

None

Available since

Feb. 22, 2024

Availability

Academic Institutions and Nonprofits only
rEcoli XpS

Bacterial Strain

#192872

Purpose

MG1655-C321 -- All 321 UAG codons changed to UAA

Depositor

Jesse Rinehart

Article

Gassaway et al Nat Methods. 2022 Oct 24. pii: 10.1038/s

Bacterial Resistance

Bleocin (zeocin)

Species

Escherichia coli

Available since

Dec. 14, 2022

Availability

Academic Institutions and Nonprofits only
C321.∆A T7RNAP ompT- rne- lon-

Bacterial Strain

#182778

Purpose

Recoded E. coli MG1655 strain with UAG termination function removed (RF1 is deleted); T7RNAP cassette genomically inserted; ompT, rne, and lon inactivated

Depositor

Michael Jewett

Article

Perez et al Biotechnol J. 2021 Dec 11:e2100330. doi:

Bacterial Resistance

Spectinomycin

Available since

April 18, 2023

Availability

Academic Institutions and Nonprofits only
MG1655 ΔendA ΔrecA (DE3)

Bacterial Strain

#37854

Depositor

Kristala Prather

Article

Tseng et al Microb Cell Fact. 2010 Nov 27;9:96.

Bacterial Resistance

None

Available since

Nov. 6, 2012

Availability

Academic Institutions and Nonprofits only
FR-E01

Bacterial Strain

#118727

Purpose

Expression of dCas9 gene under the control of a Ptet promoter in the E. coli chromosome

Depositor

David Bikard

Article

Rousset et al PLoS Genet. 2018 Nov 7;14(11):e1007749.

Bacterial Resistance

None

Available since

April 1, 2019

Availability

Academic Institutions and Nonprofits only
V. natriegens NC1

Bacterial Strain

#215355

Purpose

Vibrio natriegens with genomically integrated natural competence regulator, TfoX, with chloramphenicol resistance. For zero-capital molecular biology applications.

Depositor

Buz Barstow

Bacterial Resistance

None

Available since

Feb. 22, 2024

Availability

Academic Institutions and Nonprofits only
MM39

Bacterial Strain

#42894

Depositor

Bryan Berger

Article

Su et al J Biol Chem. 2012 Jul 22.

Bacterial Resistance

Streptomycin

Available since

March 28, 2013

Availability

Academic Institutions and Nonprofits only
BJ5183 cells

Bacterial Strain

#16398

Depositor

Bert Vogelstein

Article

He et al Proc Natl Acad Sci U S A. 1998 Mar 3. 95

Bacterial Resistance

Streptomycin

Species

Escherichia coli

Available since

June 11, 2008

Availability

Academic Institutions and Nonprofits only
E. coli K-12 MG1655 RARE

Bacterial Strain

#61440

Purpose

This E. coli chassis displays reduced endogenous reduction of aromatic and aliphatic aldehydes

Depositor

Kristala Prather

Article

Kunjapur et al J Am Chem Soc. 2014 Aug 20;136(33):11644

Bacterial Resistance

None

Available since

Feb. 1, 2015

Availability

Academic Institutions and Nonprofits only
FW102 OL2-62

Bacterial Strain

#53735

Purpose

Bacterial-two hybrid reporter strain

Depositor

Ann Hochschild

Article

Dove et al Nature. 1997 Apr 10;386(6625):627-30.

Bacterial Resistance

Kanamycin and streptomycin

Species

Escherichia coli

Available since

June 18, 2014

Availability

Academic Institutions and Nonprofits only
pRK24

Bacterial Strain

#51950

Purpose

broad-host range natural conjugative plasmid

Depositor

Farren Isaacs

Article

Ma et al Nat Protoc. 2014 Oct;9(10):2285-300. doi

Bacterial Resistance

Tetracycline

Available since

May 1, 2014

Availability

Academic Institutions and Nonprofits only
BL21ΔABCF

Bacterial Strain

#102270

Purpose

ompA, lamB, ompC, ompF quadruple knockout strain for overproduction of outer membrane proteins

Depositor

Jack Leo

Article

Meuskens et al Front Cell Infect Microbiol. 2017 Nov 7;

Bacterial Resistance

Tetracycline

Available since

Nov. 10, 2017

Availability

Academic Institutions and Nonprofits only
S1030

Bacterial Strain

#105063

Purpose

host strain for phage assisted continuous evolution

Depositor

David Liu

Article

Carlson et al Nat Chem Biol. 2014 Mar;10(3):216-22. do

Bacterial Resistance

Streptomycin and tetracycline

Available since

March 21, 2018

Availability

Academic Institutions and Nonprofits only
sAJM.1506

Bacterial Strain

#108254

Purpose

Marionette-Wild. Marionette cluster inserted in the direction of leading strand replication, between 3,860,010 and 3,861,627 in E. coli MG1655

Depositor

Christopher Voigt

Article

Meyer et al Nat Chem Biol. 2018 Nov 26. pii: 10.1038

Bacterial Resistance

Chloramphenicol

Available since

June 26, 2018

Availability

Academic Institutions and Nonprofits only
BL21∆serB

Bacterial Strain

#34929

Depositor

Dieter Söll, Jesse Rinehart

Article

Park et al Science. 2011 Aug 26;333(6046):1151-4.

Bacterial Resistance

None

Available since

Feb. 24, 2012

Availability

Academic Institutions and Nonprofits only
Jun lab tunable CRISPRi strain

Bacterial Strain

#86400

Purpose

Strain SJ_XTL219 Genotype: MG1655 PBAD_dcas9 ΔlacI ΔaraE araFGH<>spec lacY A177C, galM<pBBa-J23119-tet-sacB-handle-term

Depositor

Suckjoon Jun

Article

Li et al Sci Rep. 2016 Dec 20;6:39076. doi: 10.10

Bacterial Resistance

Spectinomycin and hygromycin

Available since

Feb. 10, 2017

Availability

Academic Institutions and Nonprofits only
CLM24 ∆lpxM

Bacterial Strain

#132780

Purpose

CLM24 strain with lpxM deletion

Depositor

Michael Jewett

Article

Stark et al Sci Adv. 2021 Feb 3;7(6). pii: 7/6/eabe9

Bacterial Resistance

None

Available since

Nov. 8, 2022

Availability

Academic Institutions and Nonprofits only
JM110

Bacterial Strain

#49763

Purpose

E.coli K-12 derivative

Depositor

Joachim Messing

Article

Yanisch-Perron et al Gene. 1985;33(1):103-19.

Bacterial Resistance

Streptomycin

Available since

Oct. 14, 2014

Availability

Academic Institutions and Nonprofits only
C321.∆A.opt

Bacterial Strain

#87359

Purpose

This is C321.∆A with additional mutations engineered by Kuznetsov et al. to improve doubling time.

Depositor

George Church

Article

Kuznetsov et al Genome Biol. 2017 May 25;18(1):100. doi:

Bacterial Resistance

Gentamicin

Species

Synthetic

Available since

May 1, 2017

Availability

Academic Institutions and Nonprofits only
KJ740(DE3)

Bacterial Strain

#179486

Purpose

KJ740(DE3) is an OmpC-, OmpF-deletion strain of E. coli that allows for T7 promoter-based expression

Depositor

Debra Hansen

Article

Boyd et al FASEB J. 2022 Jul;36(7):e22378. doi: 10.

Bacterial Resistance

Tetracycline (chromosome, tn10) (10 μg/ml); streptomycin/spectinomycin (chromosome) (50 μg/ml)

Species

Escherichia coli

Available since

Feb. 9, 2024

Availability

Academic Institutions and Nonprofits only
BL21ΔCF

Bacterial Strain

#102265

Purpose

ompC, ompF double knockout strain for overproduction of outer membrane proteins

Depositor

Jack Leo

Article

Meuskens et al Front Cell Infect Microbiol. 2017 Nov 7;

Bacterial Resistance

None

Available since

Nov. 10, 2017

Availability

Academic Institutions and Nonprofits only
C-5545 ∆cosδε

Bacterial Strain

#209018

Purpose

Deficient in the P2 bacteriophage packaging cos site and encoding rhamnose-inducible P4 delta (δ) and epsilon (ε) genes

Depositor

Alfonso Jaramillo

Article

Tridgett et al ACS Synth Biol. 2021 Jan 15;10(1):107-11

Bacterial Resistance

Hygromycin

Species

Escherichia coli

Available since

Jan. 17, 2025

Availability

Academic Institutions and Nonprofits only
EC1000

Bacterial Strain

#71852

Purpose

RepA+ MC1000, KmR , carrying a single copy of the pWV01 repA gene in the glgB gene; host for pOR128-based plasmids

Depositor

Todd Klaenhammer, Jan Kok

Article

Leenhouts et al Mol Gen Genet. 1996 Nov 27;253(1-2):217-

Bacterial Resistance

Kanamycin

Available since

Feb. 22, 2016

Availability

Academic Institutions and Nonprofits only
BL21 Rosetta2 ΔrecBCD

Bacterial Strain

#176583

Purpose

E. coli BL21 strain (with recBCD genomic locus deleted) for making cell-free extracts for Linear DNA expression. Contains pRARE2 plasmid.

Depositor

Jean-Loup Faulon

Article

Batista et al ACS Synth Biol. 2022 Jan 16. doi: 10.102

Bacterial Resistance

Chloramphenicol

Available since

Dec. 14, 2021

Availability

Academic Institutions and Nonprofits only
DHIP1

Bacterial Strain

#226851

Purpose

Expresses HIP1 methyltransferase to methylate plasmids for delivery to cyanobacteria

Depositor

David Nielsen

Article

Kamoku et al Biotechnol Prog. 2025 Jan 23:e3518. doi:

Bacterial Resistance

Streptomycin

Species

Escherichia coli

Available since

Nov. 15, 2024

Availability

Academic Institutions and Nonprofits only
LC-E18

Bacterial Strain

#115924

Purpose

Expression of dCas9 gene under the control of a Ptet promoter in the E. coli chromosome

Depositor

David Bikard

Article

Cui et al Nat Commun. 2018 May 15;9(1):1912. doi:

Bacterial Resistance

None

Available since

March 26, 2019

Availability

Academic Institutions and Nonprofits only

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