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Ruminobacter amylophilus (Hamlin and Hungate) Stackebrandt and Hippe


Product category
Product type
Strain designation
VPI 2502B [DSM 1361, H-18]
Type strain
Isolation source
Sheep rumen
Geographical isolation
Scotland, U.K.
Organic acid production
Product format
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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
Produces succinic acid


Dna base composition
Protease activity

Handling information

Handling procedure
1. Open vial according to enclosed instructions.

2. Under anaerobic conditions, withdraw 0.5 ml of recommended broth from a single test tube (5 to 6 ml) and rehydrate the vial contents.

3. Aseptically transfer this aliquot back into the broth tube.  A slant and/or a #1102 plate may also be inoculated from the cell suspension.  An aerobic blood plate may also be streaked to check for purity.

4. Incubate tubes and plate under anaerobic conditions at 37°C.  Incubate blood plate aerobically at 37°C.

5.       Within 24 to 48 hours, growth should be evident by slight turbidity in the broth and by small pinpoint colonies on the anaerobic agar surfaces.  No growth should occur on agar plate incubated aerobically.


Anaerobic conditions for transfer may be obtained by either of the following:

·   Use of an anaerobic gas chamber, or  

·   Placement of test tubes under a gassing cannula system hooked to anaerobic gas.   

          Anaerobic conditions for incubation may be obtained by any of the following:

·   Loose screw caps on test tubes in anaerobic chamber,                       

·   Loose screw caps on test tubes in an activated anaerobic gas pack jar, or   

·   Use of sterile butyl rubber stoppers on test tubes so that an anaerobic gas headspace is retained.   

Handling notes
          Always use freshly prepared pre-reduced media or pre-reduced media that has been previously prepared but stored under anaerobic conditions.  Resazurin in the media is a color indicator for anaerobic conditions.  Observance of pink color in medium before use or during incubation shows anaerobic conditions have not been met and oxidation has occurred.  Medium should be discarded.

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


Deposited as
Ruminobacter amylophilus (Hamlin and Hungate) Stackebrandt and Hippe
WE Moore
Chain of custody
ATCC <-- WE Moore <-- M.P. Bryant <-- P.N. Hobson H-18
Type of isolate
Cross references
GenBank Y15992 Ruminobacter amylophilus 16S rRNA gene.

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

Datta R. Process for the production of succinic acid by anaerobic fermentation. US Patent 5,143,833 dated Sep 1 1992

Stackebrandt E, Hippe H. Transfer of Bacteroides amylophilus to a new genus Ruminobacter gen.nov., nom.rev. as Ruminobacter amylophilus comb.nov.. Syst. Appl. Microbiol. 8: 204-207, 1986.

Cato EP, et al. Designation of neotype strains for Bacteroides amylophilus Hamlin and Hungate 1956 and Bacteroides succinogenes Hungate 1950. Int. J. Syst. Bacteriol. 28: 491-495, 1978.

Validation list no. 23. Int. J. Syst. Bacteriol. 37: 179-180, 1987.

Reddy CA, Bryant MP. Deoxyribonucleic acid base composition of certain species of the genus Bacteroides. Can. J. Microbiol. 23: 1252-1256, 1977. PubMed: 561646

View All Curated Citations for this Product

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