Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

The unknown within us – ageing affects our gut flora

18.10.2002


Ageing does not only affect the way we look from outside; the microbiota living in our gut also changes with age. The intestinal microbiota of infants is quite well identified, but only 8% of the microbes in elderly people can be characterised at the moment.



We all carry inside us millions of mostly beneficial bacteria that help us manage our diet successfully and maintain our health, although we seldom realise it. So far, the composition of our microbiota is still an area that we know rather little about.

An EU-funded project, CROWNALIFE, explores how the gut microbiota changes from adults to elderly. New born babies have a limited number of different types of bacteria living in their bowel. The bifidobacteria often dominating the infant gut are believed to be beneficial for humans. With age this type of bacteria apparently becomes rare and other microbes take over. This may have a role in the development of diseases.


The preliminary findings of CROWNALIFE project suggest that the adults have a large number of different groups of bacteria living in their gut. With ageing the diversity of bacteria is going up, but at the same time there is an increasing number of bacteria that are not accounted for by the existing techniques. With elderly people, only 8 % of the microbes occupying the gut could be recognised when most typical groups of bacteria were analysed. Some of the microbes found belonged to new groups that have not been previously detected from the human gut. By comparison, in infants, 70% of the microbes in the gut can be identified, and the number of species is ten times lower. As variation among individuals is wide, it appears that each of us has a unique gut microbiota.

Within the project CROWNALIFE, the on-going research in Belgium, France, Italy, Germany, United Kingdom and Sweden is trying to find out if there are any geographic differences in the kinds of microbes living in our gastro-intestinal tract. A further objective is to find out whether there is a possibility to influence the composition and functions of microbes with food products tailored for that purpose. The research on the composition of our microbiota opens new doors for understanding how our own microbes can influence our well being. The improved analysing tools enable the mapping of the unknown territory in our bodies. Understanding the changes that occur in this microbiota during ageing will provide us with scientific grounds to define strategies and recommendations to promote and maintain a balanced, beneficial microbiota.

Dr. Joel Dore | alfa
Further information:
http://www.crownalife.be

More articles from Health and Medicine:

nachricht Nitric oxide-scavenging hydrogel developed for rheumatoid arthritis treatment
06.06.2019 | Pohang University of Science & Technology (POSTECH)

nachricht Infants later diagnosed with autism follow adults’ gaze, but seldom initiate joint attention
24.05.2019 | Schwedischer Forschungsrat - The Swedish Research Council

All articles from Health and Medicine >>>

The most recent press releases about innovation >>>

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

Im Focus: MPSD team discovers light-induced ferroelectricity in strontium titanate

Light can be used not only to measure materials’ properties, but also to change them. Especially interesting are those cases in which the function of a material can be modified, such as its ability to conduct electricity or to store information in its magnetic state. A team led by Andrea Cavalleri from the Max Planck Institute for the Structure and Dynamics of Matter in Hamburg used terahertz frequency light pulses to transform a non-ferroelectric material into a ferroelectric one.

Ferroelectricity is a state in which the constituent lattice “looks” in one specific direction, forming a macroscopic electrical polarisation. The ability to...

Im Focus: Determining the Earth’s gravity field more accurately than ever before

Researchers at TU Graz calculate the most accurate gravity field determination of the Earth using 1.16 billion satellite measurements. This yields valuable knowledge for climate research.

The Earth’s gravity fluctuates from place to place. Geodesists use this phenomenon to observe geodynamic and climatological processes. Using...

Im Focus: Tube anemone has the largest animal mitochondrial genome ever sequenced

Discovery by Brazilian and US researchers could change the classification of two species, which appear more akin to jellyfish than was thought.

The tube anemone Isarachnanthus nocturnus is only 15 cm long but has the largest mitochondrial genome of any animal sequenced to date, with 80,923 base pairs....

Im Focus: Tiny light box opens new doors into the nanoworld

Researchers at Chalmers University of Technology, Sweden, have discovered a completely new way of capturing, amplifying and linking light to matter at the nanolevel. Using a tiny box, built from stacked atomically thin material, they have succeeded in creating a type of feedback loop in which light and matter become one. The discovery, which was recently published in Nature Nanotechnology, opens up new possibilities in the world of nanophotonics.

Photonics is concerned with various means of using light. Fibre-optic communication is an example of photonics, as is the technology behind photodetectors and...

Im Focus: Cost-effective and individualized advanced electronic packaging in small batches now available

Fraunhofer IZM is joining the EUROPRACTICE IC Service platform. Together, the partners are making fan-out wafer level packaging (FOWLP) for electronic devices available and affordable even in small batches – and thus of interest to research institutes, universities, and SMEs. Costs can be significantly reduced by up to ten customers implementing individual fan-out wafer level packaging for their ICs or other components on a multi-project wafer. The target group includes any organization that does not produce in large quantities, but requires prototypes.

Research always means trying things out and daring to do new things. Research institutes, universities, and SMEs do not produce in large batches, but rather...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

VideoLinks
Industry & Economy
Event News

SEMANTiCS 2019 brings together industry leaders and data scientists in Karlsruhe

29.04.2019 | Event News

Revered mathematicians and computer scientists converge with 200 young researchers in Heidelberg!

17.04.2019 | Event News

First dust conference in the Central Asian part of the earth’s dust belt

15.04.2019 | Event News

 
Latest News

A new paradigm of material identification based on graph theory

17.06.2019 | Materials Sciences

Electron beam strengthens recyclable nanocomposite

17.06.2019 | Materials Sciences

Tiny probe that senses deep in the lung set to shed light on disease

17.06.2019 | Life Sciences

VideoLinks
Science & Research
Overview of more VideoLinks >>>