Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

Pollution with antibiotics leads to resistant bacteria

21.02.2011
Many of the substances in our most common medicines are manufactured in India. Some of these factories release huge quantities of drugs to the environment.

Swedish scientists now show that bacteria in polluted rivers become resistant to a range of antibiotics. International experts fear that this may contribute to the development of untreatable infectious diseases world-wide.

Using a novel method, based on large-scale DNA sequencing, the Swedish scientists show that bacteria residing in Indian rivers are full of resistance genes, protecting them from otherwise effective antibiotics.

“Since we buy medicines from India, we share moral responsibility to reduce the pollution, says Joakim Larsson,” associate professor at the Sahlgrenska Academy, University of Gothenburg, one of the scientists behind the study.

“If the pollution contributes to resistance development in clinically important bacteria, it becomes our problem also in a very direct way,” he says.

“We have combined large-scale DNA sequencing with novel ways to analyze data to be able to search for thousands of different antibiotic resistance genes in parallel,” says Erik Kristiansson, assistant professor at Chalmers University of Technology.

“Such an approach may become useful also in hospitals in the future,” he points out.

Several international experts, interviewed by the journal Nature, describe the results as worrying.

“Even if the bacteria found are not dangerous to humans or other animals in the area, they may transfer their resistance genes to bacteria that are,” says Dave Ussery, a microbiologist at the Technical University of Denmark.

David Graham at Newcastle University, UK, describes the Indian site.
“In a way, it's sort of like a beaker experiment that tests the worst-case scenario, only this is in a natural system.”
Björn Olsen, an infectious-disease specialist at Uppsala University in Sweden compares the resistance with volcano-ash.

“The cloud is going to drop down somewhere else, not just around the sewage plant.”

The study was carried out at the Sahlgrenska Academy, University of Gothenburg in collaboration with Chalmers University of Technology and Umeå University, Sweden

For more information please contact:
Associate professor Joakim Larsson, phone: +46 31 786 3589, +46 709 621068, e-mail: joakim.larsson@fysiologi.gu.se,

Website: http://www.neurophys.gu.se/sektioner/fysiologi/endo/joakim_larsson/

Assistant Professor Erik Kristiansson, phone: +46 31 772 3558, + 46 705 259751, e-mail: erik.kristiansson@chalmers.se

Journal: PLoS ONE
Title of article: Pyrosequencing of antibiotic-contaminated river sediments reveals high levels of resistance and gene transfer elements

Authors: Erik Kristiansson, Jerker Fick, Anders Janzon, Roman Grabic, Carolin Rutgersson, Birgitta Weijdegård, Hanna Söderström, D G Joakim Larsson.

Helena Aaberg | idw
Further information:
http://dx.plos.org/10.1371/journal.pone.0017038
http://www.neurophys.gu.se/sektioner/fysiologi/endo/joakim_larsson/

More articles from Life Sciences:

nachricht What happens in the cell nucleus after fertilization
06.12.2016 | Helmholtz Zentrum München - Deutsches Forschungszentrum für Gesundheit und Umwelt

nachricht Researchers uncover protein-based “cancer signature”
05.12.2016 | Universität Basel

All articles from Life Sciences >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Significantly more productivity in USP lasers

In recent years, lasers with ultrashort pulses (USP) down to the femtosecond range have become established on an industrial scale. They could advance some applications with the much-lauded “cold ablation” – if that meant they would then achieve more throughput. A new generation of process engineering that will address this issue in particular will be discussed at the “4th UKP Workshop – Ultrafast Laser Technology” in April 2017.

Even back in the 1990s, scientists were comparing materials processing with nanosecond, picosecond and femtosesecond pulses. The result was surprising:...

Im Focus: Shape matters when light meets atom

Mapping the interaction of a single atom with a single photon may inform design of quantum devices

Have you ever wondered how you see the world? Vision is about photons of light, which are packets of energy, interacting with the atoms or molecules in what...

Im Focus: Novel silicon etching technique crafts 3-D gradient refractive index micro-optics

A multi-institutional research collaboration has created a novel approach for fabricating three-dimensional micro-optics through the shape-defined formation of porous silicon (PSi), with broad impacts in integrated optoelectronics, imaging, and photovoltaics.

Working with colleagues at Stanford and The Dow Chemical Company, researchers at the University of Illinois at Urbana-Champaign fabricated 3-D birefringent...

Im Focus: Quantum Particles Form Droplets

In experiments with magnetic atoms conducted at extremely low temperatures, scientists have demonstrated a unique phase of matter: The atoms form a new type of quantum liquid or quantum droplet state. These so called quantum droplets may preserve their form in absence of external confinement because of quantum effects. The joint team of experimental physicists from Innsbruck and theoretical physicists from Hannover report on their findings in the journal Physical Review X.

“Our Quantum droplets are in the gas phase but they still drop like a rock,” explains experimental physicist Francesca Ferlaino when talking about the...

Im Focus: MADMAX: Max Planck Institute for Physics takes up axion research

The Max Planck Institute for Physics (MPP) is opening up a new research field. A workshop from November 21 - 22, 2016 will mark the start of activities for an innovative axion experiment. Axions are still only purely hypothetical particles. Their detection could solve two fundamental problems in particle physics: What dark matter consists of and why it has not yet been possible to directly observe a CP violation for the strong interaction.

The “MADMAX” project is the MPP’s commitment to axion research. Axions are so far only a theoretical prediction and are difficult to detect: on the one hand,...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

ICTM Conference 2017: Production technology for turbomachine manufacturing of the future

16.11.2016 | Event News

Innovation Day Laser Technology – Laser Additive Manufacturing

01.11.2016 | Event News

#IC2S2: When Social Science meets Computer Science - GESIS will host the IC2S2 conference 2017

14.10.2016 | Event News

 
Latest News

Simple processing technique could cut cost of organic PV and wearable electronics

06.12.2016 | Materials Sciences

3-D printed kidney phantoms aid nuclear medicine dosing calibration

06.12.2016 | Medical Engineering

Robot on demand: Mobile machining of aircraft components with high precision

06.12.2016 | Power and Electrical Engineering

VideoLinks
B2B-VideoLinks
More VideoLinks >>>