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  • Funded through an NIH R21 grant, NAU scientists combine PMI and Ecoss expertise to explore the role of gut microbiota in Alzheimer’s disease

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Funded through an NIH R21 grant, NAU scientists combine PMI and Ecoss expertise to explore the role of gut microbiota in Alzheimer’s disease

Posted by Heather Tate on April 1, 2022

Multidisciplinary team will apply quantitative stable isotope probing (qSIP), a technology widely used in environmental microbiome sciences

Emily Cope working in the PMI lab

Alzheimer’s disease (AD) is a type of dementia that affects memory, thinking and behavior. According to the Alzheimer’s Association, an estimated 6.2 million Americans are living with this progressive neurologic disorder, and it is the sixth-leading… Read more

Filed Under: Center for Ecosystem Science and Society, College of the Environment, Forestry, and Natural Sciences, Department of Biological Sciences, The Pathogen and Microbiome Institute

New study shows a few common bacteria account for majority of carbon use in soil

Posted by Heather Tate on June 8, 2021

Illustration of bacteria in soilJust a few bacterial taxa found in ecosystems across the planet are responsible for more than half of carbon cycling in soils. These new findings, made by researchers at Northern Arizona University and published in Nature Communications this week, suggest that despite the diversity of microbial taxa found in wild soils… Read more

Filed Under: Center for Ecosystem Science and Society, College of the Environment, Forestry, and Natural Sciences, Department of Biological Sciences

NAU scientists: Bacterium causing deadly rabbit fever remains virulent for months in cold water

Posted by Heather Tate on June 1, 2021

Study solves a long-term mystery, providing a plausible explanation for how Francisella tularensis can overwinter in the environment outside of a host

David Wagner working in the PMI labAlthough it is not spread through human contact, Francisella tularensis is one of the most infectious pathogenic bacteria known to science—so virulent, in fact, that it is considered… Read more

Filed Under: College of the Environment, Forestry, and Natural Sciences, Department of Biological Sciences, The Pathogen and Microbiome Institute

In wild soil, predatory bacteria grow faster than their prey, NAU study shows

Posted by Heather Tate on April 30, 2021

Predators comparison illustrationPredatory bacteria—bacteria that eat other bacteria—grow faster and consume more resources than non-predators in the same soil, according to a new study from Northern Arizona University. These active predators, which use wolfpack-like behavior, enzymes, and cytoskeletal “fangs” to hunt and feast on other bacteria, wield important power in determining where… Read more

Filed Under: Center for Ecosystem Science and Society, College of the Environment, Forestry, and Natural Sciences, Department of Biological Sciences

NAU team invents patented technology that speeds wound healing, prevents infection

Posted by Heather Tate on August 2, 2019

Robert Kellar, Nathan Nieto, Andy Koppisch stading in lab with their inventionThe American population is aging, and conditions such as diabetes and cardiovascular disease are on the rise. With those factors in place, the medical community has growing concerns about wound treatment. According to the American Professional Wound Care Association, about 15 percent of Medicare recipients suffer chronic, nonhealing wounds… Read more

Filed Under: College of the Environment, Forestry, and Natural Sciences, Department of Biological Sciences, Department of Chemistry and Biochemistry, NAU Innovations

NAU disease ecologist receives $2.25 million grant to study potential biological warfare agent

Posted by Heather Tate on September 10, 2018

Dave Wagner pulling samples out of the freezer.

Francisella tularensis is one of the most infectious pathogenic bacteria known to science—so virulent, in fact, that it is considered a serious potential bioterrorist threat. Humans can contract respiratory tularemia—a rare and deadly disease—by inhaling as few as 10 airborne organisms.

Northern Arizona University professor David Wagner, director of the Pathogen and Microbiome Institute’s (PMI) Biodefense and… Read more

Filed Under: College of the Environment, Forestry, and Natural Sciences, Department of Biological Sciences, The Pathogen and Microbiome Institute

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