To ATCC Valued Customers,

ATCC stands ready to support our customers’ needs during the coronavirus pandemic. If you experience any issues with your products or services, please contact ATCC Customer Service at For Technical questions please contact Thank you.

Legionella oakridgensis Orrison et al. (ATCC® 33761)

Strain Designations: Oak Ridge 10 [CIP 103884, NCTC 11531, OR-10]  /  Type Strain: yes  /  Biosafety Level: 2

Permits and Restrictions

View Permits

Strain Designations Oak Ridge 10 [CIP 103884, NCTC 11531, OR-10]
Industrial cooling tower water, Pennsylvania
Biosafety Level 2

Biosafety classification is based on U.S. Public Health Service Guidelines, it is the responsibility of the customer to ensure that their facilities comply with biosafety regulations for their own country.

Product Format freeze-dried
Preceptrol® no
Type Strain yes (type strain)
Medium ATCC® Medium 1099: CYE (Charcoal Yeast Extract) Buffered Medium
Growth Conditions
Temperature: 37.0°C
Atmosphere: 5% CO2
Name of Depositor WB Cherry
Chain of Custody
ATCC <<--WB Cherry<<--R. Tyndall
Industrial cooling tower water, Pennsylvania

Validation list no. 11. Int. J. Syst. Bacteriol. 33: 672-674, 1983.

Orrison LH, et al. Legionella oakridgensis: unusual new species isolated from cooling tower water. Appl. Environ. Microbiol. 45: 536-545, 1983. PubMed: 6830217

type strain

type strain

Cross References

Nucleotide (GenBank) : X73397 L.oakridgenesis (ATCC 33761) gene for 16S rRNA.

Nucleotide (GenBank) : Z24730 L.oakridgenesis 23S and 5S rRNA genes, partial CDS's.

Nucleotide (GenBank) : Z30540 L.oakridgenesis OR-10 genes for 23S ribosomal RNA and 5S ribosomal RNA.

Nucleotide (GenBank) : U92214 Legionella oakridgensis macrophage infectivity potentiator (mip) gene, complete cds.

Notice: Necessary PermitsPermits

These permits may be required for shipping this product:

  • Customers located in the state of Hawaii will need to contact the Hawaii Department of Agriculture to determine if an Import Permit is required. A copy of the permit or documentation that a permit is not required must be sent to ATCC in advance of shipment.
Basic Documentation