Thursday, Jul 24, 2014 01:44 pm est

Professor’s study finds microbes on dollars

Posted on April 29, 2014 | by Caren Doueiry

Felipe De La Hoz/WSN

A professor’s recent research project gives new meaning to the phrase dirty money.

Biology professor Jane Carlton’s project, known as the Dirty Money Project, revealed the presence of about 3,000 microbes on dollar bills.

The Dirty Money Project, funded by an NYU Grand Challenge grant, is part of a larger study called Mapping the NYC Metagenome.

The aim of the project is to characterize all New York City microbes by relying on novel DNA sequencing techniques and methods of analysis.

“We started the study by undertaking a pilot project looking at the microbes on $1 bills circulating in New York City so that we could develop the protocols and algorithms for analyzing the data,” Carlton said.

Researchers hypothesised that skin microbes would be found on the bills due to the contact between people and money. In addition, traces of oral and vaginal microbes were also discovered.

Marc Axelrod, professor of environmental health sciences at the University of California, Los Angeles, said although bacteria are on everyday objects, the research was still surprising.

“Since the microbiological world is invisible and not a main area of interest for many of us, we forget how populated and important it is,” Axelrod said.

Some of Carlton’s research found that bacteria with antibiotic resistant genes were on the bills and could potentially transfer their antibiotic resistance to people. However, not all the bacteria discovered were pathogenic — some were common microbes found on skin.

CAS freshman and pre-med student Peter Kyriakides said not all microbes should be feared.

“There is an overreaction [to] and emphasis on microbes and germs on everyday things we use,” Kyriakides said. “Germs are important to build our immune systems.”

Further research needs to be conducted to understand the role of money  in the transmission of diseases, Axelrod said. Therefore, the results of the research are not yet cause for alarm.

“Bacteria [being] present is not the same as causing harm [and disease],” Axelrod said. “That would be a different experiment.”

Carlton said the Dirty Money Project would help study the patterns of diseases in New York City as researchers detect which microbes are on dollar bills at certain times.

“It might be feasible to use surveillance of circulating paper currency in New York City to track public health trends,” Carlton said.

CAS sophomore Aleah Halverson, a global public health major, said the study does not reveal anything new.

“It’s just confirming other studies and common intuition,” Halverson said. “Obviously money is going to be dirty and people shouldn’t be any more concerned than they were before.”

A version of this article appeared in the Tuesday, April 29 print edition. Caren Douiery is a staff writer. Email her at news@nyunews.com.

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Felipe De La Hoz

Multimedia Editor | Felipe De La Hoz is a Colombian national studying journalism at the College of Arts and Sciences. Having been born in Colombia and raised in the United States, Mexico and Brazil, Felipe is a trilingual travel aficionado and enjoys working in varied and difficult environments. Apart from his photography, Felipe enjoys investigative reporting and interviews, interviewing the likes of Colombian ex-M-19 guerrilla fighters and controversial politician Jimmy McMillan. He has covered everything from governmental conferences to full-blown riots, as well as portraiture shoots and dining photography. Having worked under Brazilian photojournalists for Reuters and AFP, Felipe hopes to one day work on demanding journalistic projects and contribute to the global news cycle.

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Ann Schmidt

News Editor | Ann is a liberal studies sophomore who lived in Florence during her freshman year. She plans on double-majoring in journalism and political science and is always busy. She is constantly making lists and she loves to laugh.

 

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Daniel Yeom

Daniel started at the Features desk of WSN last Spring, writing restaurant reviews whilst indulging on free food and consequently getting fat. Last Fall, he was the dining editor, and he this semester he is senior editor. Daniel is in Gallatin (living the dream) studying Food & Travel Narratives, incorporating aspects of Food Studies, Journalism, and Media, Culture, and Communication. He loves food more than life itself.

Hannah Luu

Deputy Multimedia Editor | Hannah Luu is a ridiculously great Deputy Multimedia Editor. She is a sophomore from Northern California. If you think Northern California means San Francisco you might need to closely examine a map. She is passionate about NPR and being half Asian.

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