Navigation Links
Neisseria meningitidis disseminates itself by sending out 'scouts'
Date:2/17/2011

Although, in the majority of cases, the localized presence of Neisseria meningitidis in the throat has no consequence, it can sometimes lead to meningitis or septicaemia. The seriousness of these two infections is driving researchers from around the world to improve their understanding of the mode of operation of this bacterium, which, once it leaves its favourite location (the throat) becomes extremely dangerous. The Avenir team directed by Guillaume Dumnil within Inserm Mixed Research Unit 970, "Paris centre de recherche cardiovasculaire" at the Universit Paris Descartes, has recently discovered how this bacterium disseminates, leaving the throat to pass into the bloodstream. The results of this research have been published in the 11 February 2011 issue of the journal, Science. Neisseria meningitidis is a bacterium specific to man. It is frequently present in the non-pathogenic state in the throat of healthy carriers (5% to 30% of the population).

Its persistence in the organism can however prove dangerous in some cases. The location where the bacteria multiply, the throat, represents a port of entry, from where it disseminates into the bloodstream and may penetrate into the brain. In both these cases, the infection becomes very serious since it results in septicaemia or meningitis. Unless dealt with quickly, the mortality rate linked to these two infections is very high.

Guillaume Dumnil and his Inserm research team were, therefore, interested to understand more about this bacterium which, when it passes into the bloodstream, becomes very dangerous. "Certain advances made in the past few years provided the starting point for this work, which is published in Science", he explained. We know, for example, that Neisseria meningitidis are equipped with special structures known as pili. These allow the bacteria to adhere to the cells of the throat and to multiply and form aggregates there. We are closely studying
'/>"/>

Contact: Sverine Ciancia
severine.ciancia@inserm.fr
33-144-236-086
INSERM (Institut national de la sant et de la recherche mdicale)
Source:Eurekalert

Page: 1 2 3

Related biology news :

1. Scripps scientists develop first examples of RNA that replicates itself indefinitely
2. Scientists discover how deadly fungus protects itself
3. Biodiversity itself begets a species cascade, researchers say
4. No longer a gray area: Our hair bleaches itself as we grow older
5. A window that washes itself?
6. Your body recycling itself -- captured on film
7. Wildflower armors itself against disease
8. Africa can feed itself in a generation: Study
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:11/4/2014)... 2014 – University of Utah engineers developed the first ... fuel produce electricity without needing to ignite the fuel. ... portable electronics, off-grid power and sensors. , A study ... American Chemical Society journal ACS Catalysis . , ... reaction between a fuel and an oxygen-rich source such ...
(Date:11/4/2014)... Think about the way our bodies are assembled during ... that they are supposed to become a nerve or ... the correct place and alignment? Researchers at the University ... In a new study, UM researchers describe the signaling ... neighbors, at the head-trunk region. Their discovery may have ...
(Date:11/4/2014)... (Nov. 4, 2014) – A majority of Madagascar,s 101 ... could have serious consequences for the rainforests they call ... the positive impacts lemurs can have on rainforest tree ... disappearance could have on the region,s rich biodiversity. , ... fruits eaten by lemurs. Lemurs in turn disperse ...
Breaking Biology News(10 mins):Jet-fueled electricity at room temperature 2The inside story: How the brain and skull stay together 2Gardeners of Madagascar rainforest at risk 2Gardeners of Madagascar rainforest at risk 3
... low birthweight babies born with low sodium (salt) in their ... later in life. In the study, researchers also found ... blood serum consumed ~1700 mg more sodium per day and ... data, taken together with other recent findings, make it clear ...
... developed an adaptive strategy to help natural resource managers ... respond to disturbance from major hurricanes. In an article ... Stanturf, Scott Goodrick, and Ken Outcalt from the Forest ... report the results of a case study based on ...
... Center for Dentistry Amsterdam have created a unique way ... ordinary dental x-rays. Professor Paul F. van der Stelt ... detecting the disease during a three-year, EU-funded collaboration with ... will present their findings today during the 85th General ...
Cached Biology News:Like salty food? Chances are you had low blood sodium when you were born 2Like salty food? Chances are you had low blood sodium when you were born 3How to manage forests in hurricane impact zones 2How to manage forests in hurricane impact zones 3Using dental X-rays to detect osteoporosis 2
(Date:11/16/2014)... (PRWEB) November 17, 2014 The ... segments the fluid visualization systems market with an ... as suction & irrigation, dialyzes, fluid warming and ... volumes of the fluid visualization systems by applications ... , The market was valued at $19,285.5 million ...
(Date:11/15/2014)... November 13, 2014 Collaborative Consulting, a ... were named one of the Boston Globe’s “Top Places ... Sized Businesses in Massachusetts to receive the honor. , ... who take care of their most valuable resource: the ... presented annually, and are based on an array of ...
(Date:11/15/2014)... The redesigned ActiGraph Link expands upon ... measurement platform with a rich feature set that ... new channels of sensor data captured by a ... Smart technology, the ActiGraph Link supports wireless heart ... ActiGraph’s cloud-based Study Admin platform, giving academic and ...
(Date:11/15/2014)... Colorado (PRWEB) November 14, 2014 ... provider of proprietary, cloud-based analytics, and scientific testing ... for the third quarter ended September 30, 2014, ... 2014 Highlights, ,     CannLabs – Nevada, ... Las Vegas, Nevada. ,     CannLabs – Connecticut, ...
Breaking Biology Technology:Fluid Visualization Systems Market poised to reach $25,908.4 Million by 2018 - New Research Report by MarketsandMarkets 2Fluid Visualization Systems Market poised to reach $25,908.4 Million by 2018 - New Research Report by MarketsandMarkets 3Fluid Visualization Systems Market poised to reach $25,908.4 Million by 2018 - New Research Report by MarketsandMarkets 4Collaborative Consulting Honored with Boston Globe Top Places to Work 2014 2ActiGraph Launches GT9X Link Activity Monitor 2CannLabs Announces Third Quarter 2014 Results. 2CannLabs Announces Third Quarter 2014 Results. 3CannLabs Announces Third Quarter 2014 Results. 4CannLabs Announces Third Quarter 2014 Results. 5
... Oct. 21 While other states jockeyed for position ... Report, Ohio defended its ranking as best in the ... strengths in the bioscience industry . ... , Ohio,s exceptional bioscience ranking is in part due ...
... MONTREAL, Oct. 21 Tolerx, Inc., a biopharmaceutical company ... diseases and cancer by specifically modulating T-cell activity, today ... study of otelixizumab in subjects with type 1 diabetes. ... in DEFEND, a Phase 3 clinical study in subjects ...
... 21 Myriant Technologies LLC (Myriant), a privately-held, ... the formation of its Science Advisory Board and ... individually and collectively will provide broad insight into ... converting renewable biomass feedstocks into valuable chemicals. , ...
Cached Biology Technology:Ohio Bioscience Industry Leads Midwest, Among Best in Nation as Investment Destination 2Tolerx Presents Otelixizumab Phase 2 Dose Optimization Data At The IDF's 20th World Diabetes Congress 2Tolerx Presents Otelixizumab Phase 2 Dose Optimization Data At The IDF's 20th World Diabetes Congress 3Myriant Technologies LLC Announces Appointment of Science Advisory Board Members 2Myriant Technologies LLC Announces Appointment of Science Advisory Board Members 3
... The CultureWell cell culture systems ... cultured cells for staining and imaging. ... preassembled with standard optical-quality coverslips in ... is provided sterile and ready to ...
Request Info...
Request Info...
CoverWell imaging chamber gasket with adhesive, one chamber, 20 mm diameter, 1.0 mm deep *set of 40* Cell Biology Imaging Tools and Accessories Microscope Slide Accessories...
Biology Products: