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Escherichia coli GFP


This clone was derived from ATCC 25922 and contains a multicopy vector encoding the green fluorescent protein (Aequorea victoria) GFPmut3. This gene is expressed under the control of the Plac promoter (Escherichia coli). This construct has been designed for Gram-negative bacteria fluorescence labeling. Ampicillin resistance gene (bla) encoded on a plasmid. Confers resistance to 100 µg/mL ampicillin.
Product category
Product type
Reporter-labeled bacterium
Type strain
Assay development
Enteric disease research
Food testing
High-throughput screening
Infectious disease research
Product format
Storage conditions
-80°C or colder
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ATCC determines the biosafety level of a material based on our risk assessment as guided by the current edition of Biosafety in Microbiological and Biomedical Laboratories (BMBL), U.S. Department of Health and Human Services. It is your responsibility to understand the hazards associated with the material per your organization’s policies and procedures as well as any other applicable regulations as enforced by your local or national agencies.

ATCC highly recommends that appropriate personal protective equipment is always used when handling vials. For cultures that require storage in liquid nitrogen, it is important to note that some vials may leak when submersed in liquid nitrogen and will slowly fill with liquid nitrogen. Upon thawing, the conversion of the liquid nitrogen back to its gas phase may result in the vial exploding or blowing off its cap with dangerous force creating flying debris. Unless necessary, ATCC recommends that these cultures be stored in the vapor phase of liquid nitrogen rather than submersed in liquid nitrogen.

Detailed product information


Specific applications
Fluorescence detection
Fluorescence imaging
Cell infection assays
In vivo localization
Pathogen-host interactions assays


Antigenic properties
Biotype 1
Susceptibility profile
This clone was derived from ATCC® 25922™ and contains a multicopy vector encoding the green fluorescent protein GFPmut3. This gene is expressed under the control of the Plac promoter. This construct has been designed for Gram-negative bacteria fluorescence labeling.

Vector: pUCP18-MCSgfpmut3
Vector size: 5.492kb
Vector type: plasmid
Marker: bla (ampR)
GFPmut3: fluorescent maker under the control of Plac promoter
Origin of replication: ori from pRO1600
Unique restriction sites: BamHI, EcoRI, EcoRV, SmaI, XhoI.
Double restriction sites: HindIII, PstI, SalI, XbaI.

Handling information

Handling procedure
  1. Open thawed vial according to enclosed instructions or visit for instructions.
  2. Aseptically transfer the entire contents to a 5-6 mL tube of #2855 broth. Additional test tubes can be inoculated by transferring 0.5 mL of the primary broth tube to these secondary tubes.
  3. Use several drops of the primary broth tube to inoculate a #2855 plate and/or #2855 agar slant.
  4. Incubate at 37°C for 24 hours.
Handling notes
This strain produces the green fluorescent protein GFPmut3. This protein has a green or yellow-green color and exhibits fluorescence with UV light (Excitation: 501 nm; Emission: 511nm). Incubate in the dark as broad-spectrum light may inactivate this pigment. Longer incubations (24-48h) might be required in order to visualize fluorescence.

Important: a concentration of 100 µg/mL ampicillin must be maintained at all time during culture. Absence or low concentrations of ampicillin will result in plasmid loss. This strain is stable for up to 5 consecutive passages in the recommended culture conditions.

Additional information on this culture is available on the ATCC® web site at

Quality control specifications

Verification method
Whole-genome Sequencing


Deposited as
Escherichia coli GFP
M Barbier
Chain of custody
Modified by ATCC (Dr. M. Barbier) <-- ATCC <-- FDA <-- F Schoenknecht

Legal disclaimers

Intended use
This product is intended for laboratory research use only. It is not intended for any animal or human therapeutic use, any human or animal consumption, or any diagnostic use.

The product is provided 'AS IS' and the viability of ATCC® products is warranted for 30 days from the date of shipment, provided that the customer has stored and handled the product according to the information included on the product information sheet, website, and Certificate of Analysis. For living cultures, ATCC lists the media formulation and reagents that have been found to be effective for the product. While other unspecified media and reagents may also produce satisfactory results, a change in the ATCC and/or depositor-recommended protocols may affect the recovery, growth, and/or function of the product. If an alternative medium formulation or reagent is used, the ATCC warranty for viability is no longer valid.  Except as expressly set forth herein, no other warranties of any kind are provided, express or implied, including, but not limited to, any implied warranties of merchantability, fitness for a particular purpose, manufacture according to cGMP standards, typicality, safety, accuracy, and/or noninfringement.


This product is intended for laboratory research use only. It is not intended for any animal or human therapeutic use, any human or animal consumption, or any diagnostic use. Any proposed commercial use is prohibited without a license from ATCC.

While ATCC uses reasonable efforts to include accurate and up-to-date information on this product sheet, ATCC makes no warranties or representations as to its accuracy. Citations from scientific literature and patents are provided for informational purposes only. ATCC does not warrant that such information has been confirmed to be accurate or complete and the customer bears the sole responsibility of confirming the accuracy and completeness of any such information.

This product is sent on the condition that the customer is responsible for and assumes all risk and responsibility in connection with the receipt, handling, storage, disposal, and use of the ATCC product including without limitation taking all appropriate safety and handling precautions to minimize health or environmental risk. As a condition of receiving the material, the customer agrees that any activity undertaken with the ATCC product and any progeny or modifications will be conducted in compliance with all applicable laws, regulations, and guidelines. This product is provided 'AS IS' with no representations or warranties whatsoever except as expressly set forth herein and in no event shall ATCC, its parents, subsidiaries, directors, officers, agents, employees, assigns, successors, and affiliates be liable for indirect, special, incidental, or consequential damages of any kind in connection with or arising out of the customer's use of the product. While reasonable effort is made to ensure authenticity and reliability of materials on deposit, ATCC is not liable for damages arising from the misidentification or misrepresentation of such materials.

Please see the material transfer agreement (MTA) for further details regarding the use of this product. The MTA is available at

Permits & Restrictions

Import Permit for the State of Hawaii

If shipping to the U.S. state of Hawaii, you must provide either an import permit or documentation stating that an import permit is not required. We cannot ship this item until we receive this documentation. Contact the Hawaii Department of Agriculture (HDOA), Plant Industry Division, Plant Quarantine Branch to determine if an import permit is required.


Frequently Asked Questions


Curated Citations

Barbier M and Mittar D. Novel fluorescent reporters for studying pathogen-host interactions. ASM general meeting 2014 Poster.

Choi KH, Schweizer HP. mini-Tn7 insertion in bacteria with single attTn7 sites: example Pseudomonas aeruginosa. Nat. Protoc. 1(1): 153-161, 2006. PubMed: 17406227

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