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.

Mycoplasma californicum Jasper et al. (ATCC® 33461)

Strain Designations: ST-6 [AMRC-C 1077]  /  Type Strain: yes  /  Biosafety Level: 2

Permits and Restrictions

View Permits

Strain Designations ST-6 [AMRC-C 1077]
Isolation and characterization
Bovine mastitis, California
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
Storage Conditions Frozen: -80°C or colder
Freeze-Dried: 2°C to 8°C
Live Culture: See Propagation Procedure
Preceptrol® no
Type Strain yes
Medium ATCC® Medium 247: PPLO broth without CV (pH 7.8) with horse serum (not inactivated) and yeast extract
Growth Conditions
Temperature: 37°C
Atmosphere: Broth: Aerobic; Agar: 5% CO2


Name of Depositor DE Jasper
Bovine mastitis, California

Jasper DE, et al. Mycoplasma californicum, a new species from cows. Int. J. Syst. Bacteriol. 31: 339-345, 1981.

Dellinger JD, et al. Characterization studies on mycoplasmas isolated from bovine mastitis and the bovine respiratory tract. Cornell Vet. 67: 351-360, 1977. PubMed: 326481

Jasper DE, et al. Prevalence of mycoplasmal bovine mastitis in California. Am. J. Vet. Res. 40: 1043-1047, 1979. PubMed: 507492

Jasper DE. Mycoplasma and mycoplasma mastitis. J. Am. Vet. Med. Assoc. 170: 1167-1172, 1977. PubMed: 326736

Cross References

Nucleotide (GenBank) : M24582 M.californicum 16S ribosomal RNA small subunit.

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