'Male-targeting' bacterium's genome is deciphered
...d thus help us understand what makes one species a pathogen and another a mutualist," says Eisen. "Since they generally only kill or negatively affect males, Wolbachia also help us learn about the mechanisms of sexual development in the host species."...JCI table of contents, 15 March 2004
...ods, whereby exposure to an attenuated form of the pathogen results in the immune system learning to recognize and attack that pathogen. Likewise, TCV introduces an attenuated form of the autoimmune T cell, resulting in the immune system in some way eliminating or reducing the effect of the autoreactive T ce...NETs protect against pathogenic bacteria
...the microorganism. Once inside the neutrophil, the pathogen is killed by antimicrobial substances from the granules. Berlin infection biologists have now discovered a totally new mechanism of defense: Surprisingly, neutrophils can also fight pathogens extracellularly by producing a net-like structure in which...Ornamental palms vulnerable to disease
...t injuries that create opportunities for insect or pathogen invasion of the trunk," she said. Ganoderma butt r... occurs in most places where palms are grown. This pathogen has been reported on palms from more than 20 countries as well as from California, Florida, Hawaii, ...Using soils as filters to prevent 'crypto' from moving to the groundwater
...ncluding cryptosporidiosis caused by the protozoan pathogen Cryptosporidium parvum. Standard chlorine disinfec...s of the study. Although this study shows that the pathogen could enter the groundwater easily at certain levels, the experiments were carried out by designing ...Researchers decode genome of rabbit fever pathogen
...iscovered in 1911, tularemia is an "intracellular" pathogen that invades the body's cells, shuts down their normal immune response, and then multiplies within the body. The bacteria can enter the body through open wounds, inhalation, ingestion, or bites from ticks and deerflies. Signs of pneumonia and fever t...Plant pathologists: Rust disease impacting ornamental plant production
... international or interstate trade, dispersing the pathogen and introducing it into areas that were previously pathogen-free. While quarantine restrictions and eradication efforts are used to manage rust outbreaks and minimize potential disease loss, such efforts are not perfect and can have a significant e...Approved drug blocks deadly anthrax toxin
...es anthrax, was considered an obscure agricultural pathogen with a few interesting properties. But that September and October someone began sending threatening letters stuffed with anthrax spores to several politicians and journalists. Nearly half (5/11) of those infected by breathing in the spores died fr...Anthrax spores can germinate, grow and reproduce in soil
...tic." Hanna's research suggests that this deadly pathogen may be even more versatile and resilient than scientists originally believed. "If our new findings accurately reflect the ecology of anthrax, it bodes very poorly on any potential ambitions we might have to eradicate its spores from the environment,...Planning effective bioterror responses
...day antibiotics regimen for people exposed to this pathogen after the 2001 outbreak, someone who inhaled a higher dose may need a regimen lasting as long as four months, Brookmeyer and his colleagues have found. Brookmeyer's team also has evaluated the time it takes to distribute antibiotics to the public and...Gates Foundation commits $82.9 million to develop new tuberculosis vaccines
...f said. "About 90% of people infected with the TB pathogen never get sick, which indicates that there is some...new vaccine that combines two proteins from the TB pathogen that are primary targets of the immune system. rBCG30 will be used to "prime" the immune system to ...Bacteria lingering in body may pose future food poisoning risks, Stanford study finds
...e," said Hardy. "This represents a new face of the pathogen - growing in a different place and a different way." Intriguingly, the only other bacteria shown to hunker down in the gall bladder of an unbothered host is the one that causes typhoid fever, which is spread between people via contaminated food. The ...Pacifying bacteria prevents lethal post-op infections
... infection with Pseudomonas aeruginosa, a virulent pathogen that quickly kills 100 percent of untreated mice. A Pseudomonas infection is one of the most lethal complications for patients after major surgery. "If you can't beat them -- and you can't -- then you want to indulge them," says John Alverdy, M.D., ...Lock to food-borne pathogen pathway may be key to vaccine
...f biochemical reactions. These reactions allow the pathogen to enter cells, in this case in the intestine, and then move on into the liver, spleen, brain or placenta, causing illness and possibly death. Listeria is responsible for about 2,500 recorded food-borne illnesses annually in the United States and is ...Inhibition of Borrelia burgdorferi protein may reduce Lyme disease transmission
...ssion to a new mammalian host. These insights into pathogen transmission might offer new approaches to reducing the incidence of Lyme disease....JCI Table of Contents, January 15 2004
...ssion to a new mammalian host. These insights into pathogen transmission might offer new approaches to reducing the incidence of Lyme disease. TITLE: OspC facilitates Borrelia burgdorferi invasion of Ixodes scapularis salivary glands AUTHOR CONTACT: Erol Fikrig Yale University School of Medicine, New Haven, C...California pistachio industry threatened by potentially devastating disease
... to keep their orchards free from infection of the pathogen by conducting regular surveys, sanitation by pruning of possible infections, controlling insects, and following fungicide programs that were shown to control panicle and shoot blight....Armies of fighting fungi protect chocolate trees
...s with endophytes alone, some with the major cacao pathogen Phytophthora, and some with both endophytes and Phytophthora. "We found that Phytophthora successfully infected the leaves that were treated with it, but that in the presence of endophytes, more leaves survived and the ones that survived had less lea...Linking the immune system with lipid metabolism
... burglar alarms that warn the immune system that a pathogen is invading. However, NK T cells also express the "NK" innate immune cell receptors and may have the ability to see some of the lipids that bacteria like Mycobacterium tuberculosis, the bacteria that cause tuberculosis, display on their outer surf......te. This study is the firstanalysis of a bacterial pathogen using the combined investigative toolsof genomics and proteomics. It is also the first study to document, at amolecular level, all the genes and proteins involved in B.anthracisspore formation. Major findings of the study include: When compared to ...