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Current Pathogens News and Events, Pathogens News Articles.
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Pecan shell extracts may provide antimicrobial option for preventing listeria in organic meats
A study in the Journal of Food Science published by the Institute of Food Technologists showed that extracts from pecan shells may be effective at protecting meats, such as chicken from listeria growth. (2013-12-16)

Microprinting leads to low-cost artificial cells
Easily manufactured, low-cost artificial cells manufactured using microprinting may one day serve as drug and gene delivery devices and in biomaterials, biotechnology and biosensing applications, according to a team of Penn State biomedical engineers. These artificial cells will also allow researchers to explore actions that take place at the cell membrane. (2013-12-16)

Pathogen study explores blocking effect of E. coli O157:H7 protein
Philip Hardwidge, associate professor at the College of Veterinary Medicine at Kansas State University, is studying how pathogens such as E. coli use proteins to block a host's innate immune system. His work is being supported by a multiyear grant from the National Institutes of Health. (2013-12-13)

Salmonella jams signals from bacteria-fighting mast cells
A protein in Salmonella inactivates mast cells -- critical players in the body's fight against bacteria and other pathogens -- rendering them unable to protect against bacterial spread in the body, according to researchers at Duke Medicine and Duke-National University of Singapore. (2013-12-12)

Following the path to bacterial virulence
A research team at the Instituto Gulbenkian de Ciência revealed how a benign bacterium turns pathogenic. The team followed the evolution of Escherichia coli in the presence of macrophages and found that bacteria rapidly became more resistant to being killed by the defense cells and acquired the ability to cause death in mice. These findings, published now in PLOS Pathogens, have implications for the understanding of host-microbe interactions and treatment of bacterial infections. (2013-12-12)

From friend to foe: How benign bacteria evolve to virulent pathogens
Bacteria can evolve rapidly to adapt to environmental change. When the (2013-12-12)

Hydrogen-powered invasion
Although mankind is only just beginning to use hydrogen as an energy source, the concept has been established in nature for a long time. Researchers at ETH Zurich have discovered that the diarrhea-causing bacterium Salmonella uses hydrogen as a source of energy to colonize the intestine. (2013-12-11)

New way to fight antibiotic-resistant bacteria: Target human cells instead
As more reports appear of a grim (2013-12-11)

Sanford-Burnham researchers identify new target to treat psoriasis
The study identifies the BTLA inhibitory receptor as the key factor in limiting inflammatory responses, particularly in skin. The study has important implications for developing drugs to treat psoriasis and potentially other inflammatory and autoimmune diseases. (2013-12-05)

HIV-1 movement across genital tract cells surprisingly enhanced by usurping antibody response
Infectious disease researchers have identified a novel mechanism wherein HIV-1 may facilitate its own transmission by usurping the antibody response directed against itself. These results have important implications for HIV vaccine development and for understanding the earliest events in HIV transmission. (2013-12-03)

New technique identifies pathogens in patient samples faster, in great detail
A team of Danish investigators has shown how to identify pathogens faster, directly from clinical samples. The research, published online ahead of print in the Journal of Clinical Microbiology appears in the journal's Jan. 2014 issue. (2013-12-02)

Research team discovers 'immune gene' in Neanderthals
A research group at Bonn University and international collaborators discovered a novel receptor, which allows the immune system of modern humans to recognize dangerous invaders. The blueprint for this advantageous structure was in addition identified in the genome of Neanderthals. The receptor provided these early humans with immunity against local diseases. The results have been published in advance online in the Journal of Biological Chemistry. (2013-11-22)

New findings could help target the bacteria that cause Lyme disease and syphilis
The bacterial pathogens that cause Lyme disease and syphilis are highly invasive. These pathogens, or spirochetes, can invade the central nervous system and, in the case of syphilis, enter the placenta, causing disease in the unborn child. In the Biophysical Journal, a Cell Press publication, researchers provide new insights into how these spirochetes penetrate tissue barriers. The findings might be used to develop new treatment strategies to help affected patients or even prevent infections. (2013-11-19)

Rising concerns over tree pests and diseases
New research has found that the number of pests and disease outbreaks in trees and forests across the world has been increasing. (2013-11-15)

Evolution can select for evolvability, Penn biologists find
Evolution does not have foresight. But organisms with a greater capacity to evolve may fare better in changing environments. This raises the question: Does evolution favor characteristics that increase a species' ability to evolve? For several years, biologists have attempted to provide evidence that natural selection has acted on evolvability. Now a new paper by University of Pennsylvania researchers offers, for the first time, clear evidence that the answer is yes. (2013-11-14)

Leicester scientists map structure of key complex in the immune system
A new study reveals the structure of complement component C1 -- a target for complement-mediated diseases including strokes and heart attacks. (2013-11-04)

Virginia Tech researchers explore natural way to displace harmful germs from household plumbing
Microbes in tap water are mostly harmless, with a few exceptions. A Virginia Tech research team is investigating four harmful pathogens that have been documented in tap water and suggest a natural, probiotic way to deal with dangerous germs. (2013-11-04)

Clemson hosting scientists who study devastating diseases
Clemson University is hosting the region's leading scientists for discussions about the causative agents of some of the most devastating and intractable diseases of humans, including malaria, amoebic dysentery, sleeping sickness, Chagas disease and fungal meningitis. (2013-10-24)

West African bats -- no safe haven for malaria parasites
West African bats are hosts to a multitude of different haemosporidian parasites. (2013-10-21)

UT Southwestern reports promising new approach to drug-resistant infections
A new type of antibiotic called a PPMO, which works by blocking genes essential for bacterial reproduction, successfully killed a multidrug-resistant germ common to health care settings, UT Southwestern Medical Center researchers report. (2013-10-15)

Device speeds concentration step in food-pathogen detection
Researchers have developed a system that concentrates foodborne salmonella and other pathogens faster than conventional methods by using hollow thread-like fibers that filter out the cells, representing a potential new tool for speedier detection. (2013-10-14)

New more effective antimicrobials might rise from old
By tinkering with their chemical structures, researchers at the University of California, San Diego School of Medicine have essentially re-invented a class of popular antimicrobial drugs, restoring and in some cases, expanding or improving, their effectiveness against drug-resistant pathogens in animal models. (2013-10-07)

Scientists find soaring variety of malaria parasites in bats
Researchers have discovered a surprising diversity of malaria parasites in West African bats as well as new evidence of evolutionary jumps to rodent hosts. Led by scientists at the American Museum of Natural History, the Max Planck Institute for Infection Biology, and the Museum für Naturkunde, Berlin, the new study reveals that two bat-infecting parasites are closely related to parasites in rodents that are commonly used to model human malaria in laboratory studies. (2013-10-07)

Fruit science: Switching between repulsion and attraction
A team of researchers based at Ludwig-Maximilians-Universitaet in Munich and the Technical University of Munich has shown how temporal control of a single gene solves two problems during fruit ripening in strawberry. (2013-10-07)

How an aggressive fungal pathogen causes mold in fruits and vegetables
A research team led by a University of California, Riverside molecular plant pathologist has discovered the mechanism by which an aggressive fungal pathogen infects almost all fruits and vegetables. The team discovered a novel virulence mechanism of Botrytis cinerea, a pathogen that can infect more than 200 plant species, causing serious gray mold disease on almost all fruits and vegetables that have been around, even at times in the refrigerator, for more than a week. (2013-10-03)

Recruiting E. coli to combat hard-to-treat bacterial infections
The notorious bacteria E. coli is best known for making people sick, but scientists have reprogrammed the microbe -- which also comes in harmless varieties -- to make it seek out and fight other disease-causing pathogens. Reporting in the journal ACS Synthetic Biology they describe development of this new type of E. coli that can even kill off slimy groups of bacteria called biofilms that are responsible for many hard-to-treat infections. (2013-10-02)

Bacteria don't always work 'just in time'
In nature production processes are following the 'just-in-time-principle': Only what is really necessary will be provided. But according to a report of Bioinformaticians from Jena University (Germany) in the Science Magazine 'Nature Communications', bacteria like for instance Escherichia coli don't always work according to the 'just in time'-principle at all. (2013-09-23)

Research minimizes effects of federal produce standards on mushroom industry
Strict requirements on the use of animal manures in fresh produce production imposed by the new federal food-safety law threatened to adversely impact the mushroom industry, which relies on horse and poultry manure for a specialized growth substrate. (2013-09-20)

Viruses associated with coral epidemic of 'white plague'
They call it the (2013-09-12)

Body's 'safety procedure' could explain autoimmune disease
Monash University researchers have found an important safety mechanism in the immune system that may malfunction in people with autoimmune diseases, such as Multiple Sclerosis, potentially paving the way for innovative treatments. (2013-09-05)

Stanford scientists show how antibiotics enable pathogenic gut infections
A new study by researchers at the Stanford University School of Medicine could help pinpoint ways to counter the effects of the antibiotics-driven depletion of friendly, gut-dwelling bacteria. (2013-09-01)

Breaking up the superbugs' party
The fight against antibiotic-resistant superbugs has taken a step forward thanks to a new discovery by scientists at The University of Nottingham. (2013-08-13)

How to achieve a well-balanced gut
Creating an environment that nurtures the trillions of beneficial microbes in our gut and, at the same time, protects us against invasion by food-borne pathogens is a challenge. A study published on Aug. 8 in PLOS Pathogens reveals the role of a key player in this balancing act. (2013-08-08)

Study reveals role of 'peacekeeper' in the gut
A new study has shone a spotlight on the peacekeeping mechanisms in our intestines. (2013-08-08)

New modular vaccine design combines best of existing vaccine technologies
Boston Children's researchers develop new method of vaccine design -- Multiple Antigen Presentation System. It could speed new vaccine development for range of globally serious pathogens, infectious agents. Method permits rapid construction of new vaccines that bring together benefits of whole-cell and acellular or defined subunit vaccination and activate mulitple arms of the immune system simultaneously against one or more pathogens, generating robust immune protection with lower risk of adverse effects. (2013-07-29)

UAlberta researchers develop E. coli test for food processing facilities
Medical, agriculture and computer science researchers from the University of Alberta have teamed up to develop a test that will make Canadians feel safer about the meat they put on their tables. (2013-07-15)

UT Southwestern researchers identify new source of powerful immunity protein
Researchers at UT Southwestern Medical Center report the identification of a new cellular source for an important disease-fighting protein used in the body's earliest response to infection. (2013-07-10)

Researchers create method to rapidly identify specific strains of illness
Researchers from Boston University School of Medicine and George Washington University have developed a method to rapidly identify pathogenic species and strains causing illnesses, such as pneumonia, that could help lead to earlier detection of disease outbreaks and pinpoint effective treatments more quickly. (2013-07-10)

Health economics assessment of antimicrobial copper for infection control
A unique health economics assessment of copper's role in preventing healthcare-associated infections is being presented this week at the WHO's International Conference on Prevention and Infection Control in Geneva, demonstrating rapid payback on the capital investment. (2013-06-24)

Airborne gut action primes wild chili pepper seeds
Seeds gobbled by birds and dispersed across the landscape tend to fare better than those that fall near parent plants. Now it turns out it might not just be the trip through the air that's important, but also the inches-long trip through the bird. (2013-06-21)

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