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EMSL Microbiologist Identifies Two New Species from Aspergillus section Usti

EMSL Analytical congratulates Dr. Željko Jurjevic on his discovery.

Cinnaminson, NJ – WEBWIRE
EMSL Analytical, Inc. Laboratory Locations
EMSL Analytical, Inc. Laboratory Locations

EMSL’s Senior Mycologist, Dr. Željko Jurjevic, identified two isolates that were encountered from sampling fungi in a built environment that could not be placed under a described species. Dr. Jurjevic along with Dr. Stephen W. Peterson discovered Aspergillus asper and Aspergillus collinsii as distinct species in section Usti

Through phenotypic analysis, the two isolates were suggested to belong in Aspergillus sect. Usti. DNA isolation was conducted along with comparison to other species in Aspergillus sect. Usti. Then, GenBank data for section Usti species excluded the placement of the isolates in existing species resulting in the identification of Aspergillus asper and Aspergillus collinsii as distinct species in section Usti.

"We are very proud of Dr. Jurjevic’s continuous hard work and dedication in identifying new species,” said Dr. Jason Dobranic, Vice President of Microbiology and Life Sciences at EMSL Analytical, Inc. “Dr. Jurjevic’s impressive accomplishment in providing breakthrough information to help the overall industry while still providing high-quality data for clients is a tribute to our dedicated staff at EMSL.”

The article, “Aspergillus asper and Aspergillus collinsii, two new species from Aspergillus section Usti.,” was published in International Journal of Systematic and Evolutionary Microbiology. To read the full publication, please visit:

For more information about EMSL’s microbiology division, please visit, call (800) 220-3675 or email .

About EMSL Analytical, Inc.

EMSL Analytical is a nationally recognized and locally focused provider of environmental, indoor air quality, consumer product and materials testing services and products for professionals and the general public.  The company has an extensive list of accreditations from leading organizations as well as state and federal regulating bodies.

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 Aspergillus asper
 Aspergillus collinsii

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