Tag: "biofilm" at biology news
Scientists Discover A Secret Of Bacterial Communication
.... Bacteria existing together in a structure called biofilm
are often moreresistant to attack by antibiotics a...but recent researchhas revealed a way in which the biofilm
fortress might be attacked. Dr. E.P.Greenberg, University of Iowa professor of microbiology and UI c...
MSU Scientists Eavesdrop On Bacterial
...ing through a microscope, scientists havedescribed biofilm
communities as elegant arrays of channels and spir...d in the 1970s. "We now know the words for biofilm
formation and for the destruction ofbiofilms," Davies said. He suspects there also are words to turn...
Eviction From Scum Home Makes Disease-Causing Microbe Vulnerable
...cteria began falling offwithin 30 seconds, and the biofilm
was completely destroyed injust five minutes. ...d up with the MSU laboratory, arenowned center for biofilm
research, to check the gene'spossible role in biofilm
formation. "We could get quite subtle in ...
Nice Motor...Shame About The Smell
... car air-conditioning systems. Bacteria alsoform a biofilm
on the surface of heat exchanger coils, the researchers havefound. And yet more fungi-28 species in all-grow on the surface of this film. Both bacteria and fungi create the bad smells. "Some of the odours arelike smelly socks," says Simmons. ...
Penn State Process Removes Rocket Fuel Ingredient From Drinking Water
...owth processes,coated the soil grains by forming a biofilm
and used up the oxygen in the tube. They then pumped perchlorate-contaminated water and nutrients through thesoil-packed tubes. The filtered water emerged with perchlorate concentrationsbelow 18 parts per billion, the action level, and even below t...
Slimy Bacteria Common Cause Of Chronic Infections
..., medicine and engineering," he added. The biofilm
article reviews much of the work that has become f...riers to block penetration. The future of biofilm
research will see the continued dissection ofbiofilms on a molecular and genetic level, the article ...
Microbes work magic on hazardous air pollutants
...ts into harmless byproducts.The microbes grow as a biofilm
onsynthetic packing material contained in a tall c...ows for optimal controlof pH, nutrient levels, and biofilm
thickness. Known as a biotrickling filter, this treatment method safely and efficientlydestroys vol...
Researcher finds way to kill bacteria in tiny places
...d protect themselves by building aslime layer -- a biofilm
-- that helps them stick to the surfaces and prote...ped a combination of chemicals that firststrip the biofilm
from the bacteria and then kill them with disinfectant. In dental equipment, the solution is injec...
Antibacterial implants could prevent infections, save patients' lives
...hen they're free." The reason may be a protective biofilm
that bacteria produce after they become established. When that happens, often the only way to treat the infection is to remove the device from the patient. The key to stopping infections, then, lies in killing bacteria that come near the device bef...
UF dental researcher develops genetically altered bacteria strain that may fight cavities for a lifetime
... which bacteria adhere to and grow on the teeth as biofilm
communities, and then convert sugar to acids that damage the enamel, after enamel are extremely complicated," Mangan said. "Dr. Hillman's work exploits this knowledge in a clever, yet scientifically feasible manner and takes us one step closer to th...
Carbon diem: Grants awarded to research that seizes excess carbon dioxide
...e -- free cells," she said. "We are going to use a biofilm
mat." Stoots will optimize how much carbon dioxide...the University of Memphis to help create a durable biofilm
mat. "We've worked together in the past," Stoots said. "We make a pretty effective team." For the t...
UI researchers develop test indicating cystic fibrosis lungs are infected with bacterial biofilms
...solated from the lungs of CF patients looks like a biofilm
and acts like a biofilm, until now there has not b...what proportion of the P. aeruginosa might be in a biofilm
in the lung. "We needed a way to show that the Pseudomonas in CF lungs was communicating like a bi...
Discovery may jump-start mine remediation efforts
...rile collection systems to retrieve samples of the biofilm
for laboratory analysis. In the paper, the Wiscons...his leads to saturation in the neighborhood of the biofilm
and, as a result, zinc sulfide rapidly accumulates as microscopic crystals in the biofilm. That proc...
Microbes make mine-waste drinkable, Science researchers report
...the bacteria of study, aggregates found within the biofilm
comprise of essentially pure zinc sulfide. Geochemical modeling showed that concentrations of zinc in the groundwater solution as low as one part per million in the vicinity of the bacteria induced sphalerite precipitation at low temperatures. Gen...
Dangerous beauty: Fungal flowers offer clues to biofilm formation on medical implants
...s. The gene, called FLO11, is required for fungal biofilm
formation. The results, published in the February ...and lay the groundwork for finding ways to prevent biofilm
formation. "Fungi represent a real medical threat because they can stick to plastic. A fungal infec...
When Shewanella meets goethite: Evidence found of recognition between animate and inanimate objects
...stions pertaining to medical science. For example, biofilm
formation affects issues such as the decay of teeth and the function of artificial implants in humans. Biofilms form (or don't form) because of attractive (or repulsive) forces between two bacterial cells. We are using biological force microscopy to ...
Dentists abuzz over cavity-prevention potential of honeybee product
...at eats away at our enamel. This whole assembly, a biofilm
not much different than the slime on a boat hull, ...TF enzymes mount an assault on a tooth, creating a biofilm
that other bacteria latch onto. Even the nearly one liter of saliva that our body sends washing over...
Study: nitric oxide-releasing materials might reduce medical implant infections
...eleasing slides. Preventing bacterial adhesion and biofilm
formation is vital for reducing infection since biofilms are extremely resistant to immune system defenses once they have formed on an implant, the scientist said. Such films can cause chronic illness with severe and universal symptoms such as headac...
UI researchers and colleagues identify genetic changes in bacterial biofilms
...exist in a free-floating (planktonic) form or as a biofilm
where the cells form organized communities encased...poses serious health problems for individuals with biofilm
infections, such as Pseudomonas aeruginosa (P. aeruginosa) infections in the lungs of individuals wi...
Chemical pollution and human sewage could be killing corals
...atural population of bacteria within a mucous-rich biofilm
that provides protection from light, exposure and sedimentation, Fouke said. Environmental stresses cause corals to secrete more of this mucous to coat their outer tissues. This leads to elevated levels of natural microbial populations, as well as ...
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