Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

Antibiotics alter the normal bacterial flora in humans

17.03.2004


Microbes researchers highlight drawbacks of antibiotics



Bacteria that are resistant to antibiotics can live in the human intestines for at least one year. Professor Charlotta Edlund from the Karolinska Institutet in Stockholm, Sweden, and Research Professor Pentti Huovinen from the National Public Health Institute in Turku, Finland, are keen to highlight the risks involved in the excessive use of antibiotics.

In their research funded by the Academy of Finland, the two professors are exploring the long-term impacts of antibiotic treatment on the bacterial flora in human intestines. At the same time, they are looking to develop new research methods for studying intestinal bacterial flora. The project is part of the Academy’s Microbes and Man research programme, a joint effort among researchers from Finland and Sweden.


Antibiotic-resistant bacteria are one of the most serious threats to health care. Earlier it has been assumed that the effects of antibiotics disappear within a couple of months and that the intestinal bacterial flora is then restored to normal. Researchers believe that antibiotics also have characteristics which maintain and promote the health of the bacterial flora.

It has now been shown that the antibiotic studied, i.e. clindamycine, continues to have a clearly visible impact up to one year after treatment is discontinued. Even more surprisingly, it has been found that resistance also increases to other antibiotics, such as penicillins, tetracyclines, and macrolides. In other words, the use of one type of antibiotic simultaneously increases resistance to several other antibiotics.

The focus of research at the Karolinska Institutet in Stockholm is upon intestinal anaerobic bacteria that have poor tolerance of oxygen, while researchers at the National Public Health Institute in Turku are studying aerobic bacteria, which also grow in the presence of oxygen.

Heli Häivälä | alfa
Further information:
http://www.aka.fi

More articles from Life Sciences:

nachricht Water forms 'spine of hydration' around DNA, group finds
26.05.2017 | Cornell University

nachricht How herpesviruses win the footrace against the immune system
26.05.2017 | Helmholtz-Zentrum für Infektionsforschung

All articles from Life Sciences >>>

The most recent press releases about innovation >>>

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

Im Focus: Can the immune system be boosted against Staphylococcus aureus by delivery of messenger RNA?

Staphylococcus aureus is a feared pathogen (MRSA, multi-resistant S. aureus) due to frequent resistances against many antibiotics, especially in hospital infections. Researchers at the Paul-Ehrlich-Institut have identified immunological processes that prevent a successful immune response directed against the pathogenic agent. The delivery of bacterial proteins with RNA adjuvant or messenger RNA (mRNA) into immune cells allows the re-direction of the immune response towards an active defense against S. aureus. This could be of significant importance for the development of an effective vaccine. PLOS Pathogens has published these research results online on 25 May 2017.

Staphylococcus aureus (S. aureus) is a bacterium that colonizes by far more than half of the skin and the mucosa of adults, usually without causing infections....

Im Focus: A quantum walk of photons

Physicists from the University of Würzburg are capable of generating identical looking single light particles at the push of a button. Two new studies now demonstrate the potential this method holds.

The quantum computer has fuelled the imagination of scientists for decades: It is based on fundamentally different phenomena than a conventional computer....

Im Focus: Turmoil in sluggish electrons’ existence

An international team of physicists has monitored the scattering behaviour of electrons in a non-conducting material in real-time. Their insights could be beneficial for radiotherapy.

We can refer to electrons in non-conducting materials as ‘sluggish’. Typically, they remain fixed in a location, deep inside an atomic composite. It is hence...

Im Focus: Wafer-thin Magnetic Materials Developed for Future Quantum Technologies

Two-dimensional magnetic structures are regarded as a promising material for new types of data storage, since the magnetic properties of individual molecular building blocks can be investigated and modified. For the first time, researchers have now produced a wafer-thin ferrimagnet, in which molecules with different magnetic centers arrange themselves on a gold surface to form a checkerboard pattern. Scientists at the Swiss Nanoscience Institute at the University of Basel and the Paul Scherrer Institute published their findings in the journal Nature Communications.

Ferrimagnets are composed of two centers which are magnetized at different strengths and point in opposing directions. Two-dimensional, quasi-flat ferrimagnets...

Im Focus: World's thinnest hologram paves path to new 3-D world

Nano-hologram paves way for integration of 3-D holography into everyday electronics

An Australian-Chinese research team has created the world's thinnest hologram, paving the way towards the integration of 3D holography into everyday...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

Marine Conservation: IASS Contributes to UN Ocean Conference in New York on 5-9 June

24.05.2017 | Event News

AWK Aachen Machine Tool Colloquium 2017: Internet of Production for Agile Enterprises

23.05.2017 | Event News

Dortmund MST Conference presents Individualized Healthcare Solutions with micro and nanotechnology

22.05.2017 | Event News

 
Latest News

How herpesviruses win the footrace against the immune system

26.05.2017 | Life Sciences

Water forms 'spine of hydration' around DNA, group finds

26.05.2017 | Life Sciences

First Juno science results supported by University of Leicester's Jupiter 'forecast'

26.05.2017 | Physics and Astronomy

VideoLinks
B2B-VideoLinks
More VideoLinks >>>