Pythium ultimum Trow (ATCC® 200006)

Strain Designations: DAOM BR144 [CBS 805.95]  /  Product Format: frozen

Permits and Restrictions

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Strain Designations DAOM BR144 [CBS 805.95]
Morphologically representative; produces ripe oospores
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 frozen
Type Strain no
Preceptrol® no
Genome Sequenced Strain


Damping off in tobacco seedbeds
Morphologically representative; produces ripe oospores
Genome sequencing strain (Michigan State University, USA)
Medium ATCC® Medium 307: Cornmeal agar
Growth Conditions
Temperature: 25.0°C
Name of Depositor DJ Barr
Tobacco seedlings, Ontario, Canada
Cross References

Complete Genome (GenBank) : ADOS00000000 Pythium ultimum DAOM BR144, whole genome shotgun sequencing project


. . Can. Plant Dis. Surv. 58: 15-19, 1978.

Lévesque CA, et al.Genome sequence of the necrotrophic plant pathogen Pythium ultimum reveals original pathogenicity mechanisms and effector repertoire. Genome Biology 11: R73, 2010.

Notice: Necessary PermitsPermits

These permits may be required for shipping this product:

  • USDA APHIS PPQ Permit 526, plant pathogens permit must be obtained and a copy of the permit must be sent to ATCC in advance of shipment. Isolation information for this item is required by USDA. Please check our website or contact Technical Service for assistance. Domestic isolates are easier to obtain than foreign isolates.
  • 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