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Staph and Pseudomonas

The Staphylococcus aureus and Pseudomonas aeruginosa Detection Assay is used for the detection of Staph aureus and Pseudomonas aeruginosa. One Plant DNA Collection Kit is included with the price of each test. Each kit collects one sample and you will need one kit for each plant that you want to test, however, additional tests can be ordered on a single sample up to two weeks after submitting them to our lab. Shipping calculated during checkout. All taxes are included



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Pseudomonas aeruginosa

Pseudomonas aeruginosa is a gram-negative, rod-shaped bacterium that has been identified in humans and plants. P. aeruginosa is commonly found in moist locations, such as soil and water, which happen to be the two most common growth media for cannabis. It’s no surprise then, that P. aeruginosa has been identified on cannabis samples.

Who requires Pseudomonas aeruginosa testing on cannabis?

  • Berkeley, CA
  • Colorado*
  • Connecticut
  • Delaware
  • New York*
*Only required for select matrices, view each page for more information

Important note: The P. aeruginosa assay has been shown (via Sanger sequencing of the amplicons) to amplify Pseudomonas rhizosphaerae, an off-target species. P. rhizosphaerae has been found on some hemp plants in Canada. We have designed our Pseudomonas assay to target closely-related P. aeruginosa strains that are pathogenic to humans and listed in the Cystic Fibrosis literature. The exclusion criteria for these primers did not include microbes that are not available in tissue banks, such as P. rhizosphaerae. The health risks of beneficial microbes still need to be scrutinized for agricultural products that are inhaled. To date, we are not aware of any clinical reports of harm from P. rhizosphaerae.

*For Research Use Only*

We developed a simple method to collect microbial DNA samples from your plants. This enables anyone in the world to take advantage of our services because our kits produce a purified DNA sample which is 100% legal to mail. All you need are the same materials (tweezers, alcohol, etc) required for any of our other tests. If you would like to test something other than plant material please contact us before placing your order. 

All testing is offered for research purposes only and not valid for regulatory certification.

Staph and Pseudomonas


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