pathogen

Chlamydia toxin- a secret killer

...ions. For many years, it's been suspected that the pathogen produces a toxin that helps it invade cells and cause these chronic health problems.// Now, at last, the suspect toxin has been found by completing the Chlamydia genome. The toxin turns out to be similar to those that cause botulism, tetanus, and g...

New cholera strain identified

...tacharya said. “We also could link this particular pathogen to an epidemic in 1998 in coastal Orissa,” he said, adding, “the pathogen generally attacks in the coastal region and comes from the environment.” The pathogen is prominent i...

Bacterial discovery may help CF patients

...entists have known for a while the biofilm of this pathogen has a high DNA content but they thought the DNA in the matrix was not an important part of the biofilm structure. The new research found the majority of the matrix material in the biofilm consists of DNA, and that it seems to be released by the livin...

Defending against Tuberculosis

The deadliest bacterial pathogen may soon be fighting a losing battle. Scientists from Rockefeller University in New York say they have successfully stopped the tuberculosis pathogen's ability to operate from the immune system.// It typically hides out in the immune system in a cell...

Antibiotics help combat dangerous tropical disease

... that of an Elephant. The condition is caused by a pathogen called wuchereria bancrofti, this is a threadlike worm They go and house themselves in the body’s lymph nodes where they cause the blockage of the flow of lymphatic fluids and cause swelling of an organ like the legs or genitalia like the scrotum, pe...

Warning Signs On Powered Baby Milk

...formula. This is due to the fact that although the pathogen is minute in powdered milk formulas it multiplies rapidly when improperly prepared. This is not a recent problem. Some estimated that the poisoning from contaminated infant formula is particularly serious in developing countries, and that the numbe...

Scientists Discover Ways To Block Virus From Attacking Cells

...ell. Unlike antibodies, however, defensins are not pathogen specific. In addition to blocking viruses, RC2 also kills several bacteria that are highly resistant to conventional antibiotics. The Sept. 11 online edition of Nature Immunology publishes the research. Source: Newswise ...

Lead levels in disturbed soil post-Katrina unsafe

...cularly Aeromonas hydrophila, a little known human pathogen that can cause diarrhea and wound infections. This is the first time that Aeromonas has been detected in the Katrina floodwaters, Presley says. Animal tissues sampled, including dead snakes and an alligator, also contained multiple metals and pesti...

Sunflowers Could Hold the Key to New Class of AIDS Drugs

...rase - this is an enzyme which is essential if the pathogen is to reproduce." Preliminary clinical tests have now borne out the hope that DCQA could herald in a new class of AIDS drugs. Dr. Esther Vogt of the Immunological Out-Patient Service of Bonn University Clinic, said, "We need these substances to expan...

Diseases in Marine Animals Could Portend Unhealthy Prognosis for Humans

... avian bird flu, but they can also be sentinels of pathogen pollution. They are often the first victims of these diseases. By paying attention to them, it will tell us about our own health and the links between our health and that of the environment." Pat Conrad initially focused his attention, first on the...

Children Of Smoking Parents Face Increased Risk Of Bacterial Infection

... children exposed to smoke were found to carry the pathogen in their nose and throat compared to a 60% among the non-exposed group. Furthermore, children exposed to smoke were more likely to carry a more dangerous form of the pathogen, responsible for causing S. pneumoniae disease. The same effect was also ...

Pets As Disease Watchdogs

...ntify specific geographic areas where a particular pathogen has been identified. The probability of containing the disease is higher when the problem is identified faster. Authors of the research paper were Glickman; George E. Moore, Nita W. Glickman and Richard J. Caldanaro of Purdue's School of Veterinary...

C-Myc Gene Essential for Immune System Function

...at a low level that can be rapidly expanded if the pathogen is detected again. The maintenance of normal, low levels, or 'homeostasis', of T memory cells is dependent on a signalling factor, a so-called cytokine, known as 'IL- 15. ‘Very little is known about the signalling pathways that actually control IL-...

Treatment of Bacterial Infection Paves the Way to Treat CF Infection

... fibrosis (CF).’ Pseudomonas aeruginosa (PA), a pathogen that infects more than 80 percent of cystic fibrosis patients, is a leading cause of these patients' death. PA is difficult to treat because it is resistant to many drugs. ‘Since we know so little about what this bacterium is up to while it's engaged...

Bioinformatics Made a Boon In Immune Response Study - LIAI Finds

...prediction accuracy (95 percent) in a very complex pathogen – the vaccinia virus. The vaccinia virus is a non-dangerous virus used in the smallpox vaccine because it is related to the variola virus, which is the agent of smallpox. The scientific team was able to prove the accuracy of their computer results th...

Susceptibility Of TB In Humans Might Be Due To Three Human Gene Variants

...ients infected with the Mycobacterium tuberculosis pathogen develop the full-blown disease while others are se...entified a gene in mice called Ipr1 (intracellular pathogen resistance 1) that plays a significant role in limiting the multiplication of intracellular pathogen...

Lack of STAT1 -an Immune Protein, Pack Liver Infection Cure

...unctioning found to be safe when exposed against a pathogen that attacks //liver and spleen - a new study find...l leishmaniasis, an infectious disease caused by a pathogen called Leishmania donovani, affects certain internal organs. People in tropical and subtropical coun...

Mouse Model Demonstrates Immune System Reaction In Chlamydia Infection

...ion, the number of T cells specific for any single pathogen is extremely low. The number is so low that it is impossible to track and monitor the activity of these T cells during their first encounter with the microbe." To circumvent the problem, Starnbach and colleagues in the HMS Department of Microbiology...

By Targeting Specific Germs, Hospital Hopes to Improve Pneumonia Treatment

...rescribing a drug that isn’t effective against the pathogen – hurts our ability to treat the next infected person because resistance can develop,” he said. Sorce-Newswise SRM...

Nanotech Wipes for biohazard detection

...abric are going to selectively latch onto whatever pathogen that they match. Using this method we should, in theory, be able to quickly activate the fabric to detect whatever is the hazard of the week, whether it is bird flu, mad cow disease or anthrax.’ Frey and her colleagues are working on ways for the f...

Researchers Develop Technologies to Devour Food Pathogens

...crubbing, and cannot completely rid a product of a pathogen like E. coli, said Richard Linton, a professor of ... problems more quickly, determine exactly what the pathogen is and where it came from," Linton said. "As for using this gas as a disinfectant, I would say that ...

Most Of The Ear Infections Entertain Both Bacteria And Viruses

...a variety of laboratory techniques to identify the pathogen that caused ear infections, known clinically as acute otitis media (AOM), in 79 young children. They found bacteria in 92 percent of the cases, viruses in 70 percent, and both bacteria and viruses in 66 percent. According to Aino Ruohola, MD, PhD,...

The GreeneChip- First Tool to Provide Differential Diagnosis of Infectious Diseases

...agnosticians need a comprehensive set of tools for pathogen surveillance and detection." GreeneChip features...f information about pathogens-for every entry of a pathogen and its properties, the GreeneChip contains a correlate of its genetic makeup. GreeneChip performanc...

US Biotech to Invest $400 Mn in Himachal Pradesh

...ccurate and reliable detection of DNA or RNA based pathogen within minutes," said Goel. She said Himachal Pradesh had the potential to emerge as a major centre of nano-biotechnology in India. Source-IANS...

New Findings on Toxoplasmosis

...ray facility helped establish the role of a second pathogen protein that makes one strain of Toxoplasma especially dangerous. "Type I strains are extremely important to human medicine as they are disproportionately responsible for inflammation of the brain in AIDS patients and for severe congenital disease t...

Tuberculosis: The Bacillus Takes Refuge in Adipose Cells

... system in its host's fat cells. //This formidable pathogen is protected against even the most powerful antibi...inst isoniazid. They then investigated whether the pathogen was present in adipose cells in humans. They did this by testing for traces of the genetic structure...

Findings on Dangerous Parasite, Toxoplasma Gondii Published

...ray facility helped establish the role of a second pathogen protein that makes one strain of Toxoplasma especially dangerous. "Type I strains are extremely important to human medicine as they are disproportionately responsible for inflammation of the brain in AIDS patients and for severe congenital disease ...

CA-MRSA, a Tough Bug to Trap

.... The organism is an "old foe with new fangs: a pathogen combining virulence, resistance and an ability to disseminate at large," Dr. John Conly, an infectious disease specialist and professor of medicine at the University of Calgary said. Healthcare workers in Canada have been advised to adopt preventive...

Experts Warn Against Raw Milk Following Rift Valley Fever Outbreak in Kenya

...beings. Experts believe that the mosquito-borne pathogen had crossed the Sahara into Egypt by 1977 and by 1999 had traversed the Red Sea into Yemen and Saudi Arabia. Prior to 1977, it was considered primarily a veterinarian's disease. It wasn't until the Marburg filovirus attained international attentio...

Disabling Key Protein may Give Physicians Time to Treat Pneumonic Plague

...nding on how Yersinia is introduced, the versatile pathogen can modify itself to infect the lungs (pneumonic p...mpts to limit the spread of infections: Surround a pathogen with blood clots, and it can't reproduce and spread. Scientists speculated that breaking open the cl...

How Bacteria Generate Energy to Live?

...ey specifics to the molecular mechanism behind the pathogen that causes cholera. The work could provide a better understanding of this pathogen, while also offering insight into how cells transform energy from the environment into the forms required to sustain life. As a single-cell organism, Vibrio choler...

Garlic Hope in Infection Fight

...psules can disrupt the communication system of the pathogen Pseudomonas to prevent illness from taking hold. The project will unite University experts in child health, respiratory medicine and molecular microbiology with clinicians at the Nottingham University Hospitals NHS Trust. Cystic fibrosis is an ...

Inflammation can Lead to Cancer

...of the genes of the human papilloma virus (HPV), a pathogen that is known to cause human cervical cancer. By comparing cancer progression in these mice compared with gene "knock-out mice" that lacked the antibody receptors normally active on the leukocyte surfaces, Coussens and her colleagues discovered that ...

CDA Investigates Case of Bovine Tuberculosis

...y 660 cattle. Bovine tuberculosis is a zoonotic pathogen that causes lesions in the thoracic and abdominal cavity of infected animals. It is spread primarily by respiratory aerosols being exhaled or coughed out by infected animals and can then inhaled by animals or humans. Although rare, it can infect huma...

Discovery Leads to Way to Curb Anthrax Effect

.... There is essentially no free iron available to a pathogen in a normal host. All of the host’s iron is functioning in enzymes or heme containing proteins, or is safely stored, with a small amount in transit bound to a protein called transferrin. Pathogenic bacteria like anthrax must tap into our normal iron ...

Flies too Have Immune Memory!

... a primitive first-line, nonspecific response to a pathogen "invader." The other arm found in higher organisms is adaptive immunity, which has a memory that retains an internal record of contact with an invader and - employing T and B cells - springs into action once it encounters the same invader again. This...

‘Fingerprints’ to Track Common Infections in Childrn

...biological weapons. “Even if we don’t know which pathogen it is, we still can tell which family or which group it’s in, so if someone engineers a virus that has never been seen, we will have hints that it’s close to something that is known,” he said. Further studies may eventually help doctors track the p...

A New Test Kit to Detect Spoilt Food

...ualitative only and will not identify the specific pathogen present, he notes. Although fish were used in this study, a similar approach can be applied to other foods, including other meats as well as fruits and vegetables, according to Lavigne. Although many fruits and vegetables contain lower protein leve...

Rare Case of Hepatitis B Virus Transmission Between Dental Patients Recorded

...ncern in dental infection control. The blood-borne pathogen is hardy, persisting in dried blood on surfaces fo...the need for meticulous maintenance of blood-borne pathogen infection control for all patients in dental settings. They also said that it reinforced the value o...

Scientists Discover Rare ‘gene-for-gene’ Interaction That Helps Bacteria Kill Their Hot

... diseases, very few examples of a single gene in a pathogen targeting a single gene in an animal or human host...that the kind of gene-for-gene interaction between pathogen and host that we have found is quite common, but actually rather few are known, which is why this re...

IDRI and Chembio to Develop Tests for Leishmaniasis and Leprosy

...ic infectious disease caused by the intra-cellular pathogen Mycobacterium leprae -- a bacterium that is related to the organism that causes tuberculosis. The bacillus primarily grows within lesions in the cooler body areas such as the skin, limbs, eyes, and nasal cavity. The damage of the peripheral nerves le...

How Plague-Causing Bacteria Disarm Host Defense

...of several effectors of the bacteria Yersinia the pathogen responsible for the Middle Ages Black Death and a virulent form of food poisoning today. Their study will be published online in the May 25 issue of Molecular Cell. YpkA targets a host protein called Gq, the messenger that transmits extracellular s...

Experts to Develop New Weapons Against Food Poisoning

...er remains high, and may be increasing because the pathogen has also started to demonstrate resistance to several common antibiotics....

Study Finds the Spread of Rabies in North American Raccoons

...n dynamic processes characterizing the spread of a pathogen after its introduction into a susceptible host population," Real said. During invasion, emerging pathogens, such as rabies, ebola and hantavirus, undergo rapid evolution while expanding their numbers and geographic range. Yet, it is difficult to de...

Scientists Discover Rare gene-for-gene Interaction That Helps Bacteria Kill Their Host

... diseases, very few examples of a single gene in a pathogen targeting a single gene in an animal or human host...that the kind of gene-for-gene interaction between pathogen and host that we have found is quite common, but actually rather few are known, which is why this re...

Better Resources Needed To Control Hospital Infections

...ernment need to have a better understanding of the pathogen and infection control issues. 'We need basic infection control practices to be followed by all clinical staff and students enough equipment and supplies [available at all times] and adequate personnel in infection control, microbiology and environm...

Study of Bacterial Pathogen may Give Insight to Cancer Development

...cancer develops, and they are using the bacterial pathogen Listeria Monocytogenes in their project. The research team, which includes University of Central Florida Microbiology Professor Keith Ireton, had recently found that a Listeria protein called InlB induces internalisation and degradation of a human ...

Aedes Agypti Mosquitos Immune System Revealed

...omplete understanding of the mechanisms by which a pathogen either survives inside the insect body, or is kill...ypes of mosquitoes can transmit a particular human pathogen while others cannot. If those that cannot have evolved an effective immune system that fights off ...

Key Mechanism to Emergence of Strep Bacteria

...ournal Nature Medicine, focuses on the major human pathogen group A Streptococcus (strep.) Among the most im... genetic advantage that turned a relatively benign pathogen into a potential deadly disease agent. A gene present on the bacteriophage acquired by the M1T1 str...

Protein Structure of Pathogens Associated With CF and TB Solved

...otein in the bacterium that is the most persistent pathogen in cystic fibrosis (CF) patients has been solved ....ein that is present in many bacteria including the pathogen that causes tuberculosis.It's well-known that bacteria need iron to grow and, when they are establis...

WBC Selective About Sugar

...ls aren't little Pac-Men, but can discriminate one pathogen from another. Rubin-Bejerano had evidence that n...back to real fungi, Rubin-Bejerano worked with the pathogen Candida albicans, which is the most common fungus in blood stream infections. She used an enzyme to ...

First Genetically Engineered Maize Resistant to Maize Streak Virus Produced in S. Africa

... sorghum and millet. aize streak virus, an endemic pathogen of native African grasses, was then carried to maize plants by viruliferous leafhoppers. They said that African scientists have been working for more than a quarter century on developing resistant varieties of maize by selecting and crossing varie...