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Compounds in Amber Could Help Fight Drug-Resistant Bacteria Superbugs, Scientists Find
University of Minnesota researchers have found that Baltic amber compounds could fight drug-resistant bacteria.
Health
For centuries, people in Baltic nations have used ancient amber for medicinal purposes. Even today, infants are given amber necklaces that they chew to relieve teething pain, and people put pulverized amber in elixirs and ointments for its purported anti-inflammatory and anti-infective properties.
Now, scientists have pinpointed compounds that help explain Baltic amber’s therapeutic effects and that could lead to new medicines to combat antibiotic-resistant infections.
Each year in the U.S., at least 2.8 million people get antibiotic-resistant infections, leading to 35,000 deaths, according to the U.S. Centers for Disease Control and Prevention.
“We knew from previous research that there were substances in Baltic amber that might lead to new antibiotics, but they had not been systematically explored,” says Elizabeth Ambrose, Ph.D., who is the principal investigator of the project. “We have now extracted and identified several compounds in Baltic amber that show activity against gram-positive, antibiotic-resistant bacteria.”
Ambrose’s interest originally stemmed from her Baltic heritage. While visiting family in Lithuania, she collected amber samples and heard stories about their medicinal uses.
The Baltic Sea region contains the world’s largest deposit of the material, which is fossilized resin formed about 44 million years ago.
The resin oozed from now-extinct pines in the Sciadopityaceae family and acted as a defense against microorganisms such as bacteria and fungi, as well as herbivorous insects that would become trapped in the resin.
Ambrose and graduate student Connor McDermott, who are at the University of Minnesota, analyzed commercially available Baltic amber samples, in addition to some that Ambrose had collected.
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