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.

Paenibacillus larvae (White) Ash et al. (ATCC® 9545)

Strain Designations: 846 [NRRL B-2605]  /  Type Strain: yes  /  Biosafety Level: 1

Permits and Restrictions

View Permits

Deposited As Bacillus larvae White
Strain Designations 846 [NRRL B-2605]
Foul brood of honeybees
Biosafety Level 1

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 Section
Preceptrol® no
Type Strain yes
Medium ATCC® Medium 540: Brain heart infusion with thiamine . HCl
Growth Conditions
Temperature: 37°C
Atmosphere: Aerobic
Name of Depositor EC Holst
Foul brood of honeybees

Validation list no. 52. Int. J. Syst. Bacteriol. 45: 197-198, 1995.

Skerman VB, et al. Approved lists of bacterial names. Int J Syst Bacteriol 30: 225-420, 1980.

Heyndrickx M, et al. Reclassification of Paenibacillus (formerly Bacillus) pulvifaciens (Nakamura 1984) Ash et al. 1994, a later subjective synonym of Paenibacillus (formerly Bacillus) larvae (White 1906) Ash et al. 1994, as a suth emended descriptions of P. larvae as P. larvae subsp. larvae, and P. larvae subsp. pulvifaciens. Int. J. Syst. Bacteriol. 46: 270-279, 1996.

Cross References

Nucleotide (GenBank) : X60636 16S rDNA sequence

Nucleotide (GenBank) : X60619 B.larvae 16S ribosomal RNA.

Nucleotide (GenBank) : U85263 Paenibacillus larvae 16s ribosomal RNA, partial sequence.

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