Tag: "pathogen" at biology news
Emory researchers develop model to track the evolution of emerging infectious diseases
...e that emphasizes the potentially perilous role of pathogen
evolution. The research led by Emory University bi...disease may still spread to other individuals, the pathogen
lines of infection eventually become extinct, preventing the disease from epidemically spreading acr...
Gene mutation leads to super-virulent strain of TB
... bacteria surprisingly led to a mutant form of the pathogen
that multiplied more quickly and was more lethal t... Sciences, sheds light on the mechanisms used by a pathogen
that now infects one-third of the world's population and kills 2 million people per year. According ...
Novel approaches to current cellular therapies continue progress toward disease prevention
... the possibility of speeding up the development of pathogen
immunity after transplant by transferring immune system T-cells from the donor to the recipient. Cytomegalovirus (CMV), a herpes virus, and Aspergillus, a fungus that includes many common molds, act as opportunistic infectious agents in imm...
Plant immune system's 'take two aspirin' gene, offers hope for disease control
...guard against further attack or spread by the same pathogen
and even against unrelated pathogens. (Innate imm...stance to infections against the initial attacking pathogen
and also against other viral, bacterial and fungal pathogens," Klessig says. "Systemic acquired resi...
Marine pathogens spread much faster than their terrestrial counterparts
It has become increasingly clear that pathogen
epidemics are as significant a component of marine...present, but may relate to the lack of barriers to pathogen
dispersal in marine environments, or to better long term survival of mobile infectious stages. This...
Smallpox in Europe selected for genetic mutation that confers resistance to HIV infection
...een the host to resist and clear infection and the pathogen
to evade the resistance. That leads hosts to develop polymorphisms, and then the pathogen
to respond by evolving its own polymorphisms, and so on - there is a constant battle."...
U. of Colorado team developing 'Flu Chip' for fast, accurate diagnosis
...t is readily transmitted, primarily as an airborne pathogen
and because the virus can be genetically engineere...ising technology for accurate and relatively rapid pathogen
identification based on genetic "signatures." The general structure of a DNA microarray is a well-de...
Newly identified gene may halt fuzzy, moldy fruit
...ill their own cells at the site where a biotrophic pathogen
is trying to invade in an effort to combat the threat. "The methods that work to protect against biotrophic pathogens may actually promote necrotrophic pathogens," Mengiste said. But he said he believes understanding the molecular workings of plants'...
Improving the body's 'homeland security' against TB
...he disease seems reassuring, it is misleading. The pathogen
can switch from a latent state in any human host if that host's immune system is weakened. Normal human aging alone gives TB the possibility of reactivating, disabling and killing any of the two billion people worldwide who are latently infected. Wh...
UBC researcher discovers 'control room' that regulates immune responses
...une responses up or down, according to the type of pathogen
encountered. The immune system protects the body from potentially harmful substances such as microorganisms, toxins, cancer cells, and blood or tissues from another person. Immune system disorders are conditions where the immune response is over-act...
Researchers show autoantibodies occur before lupus in New England Journal of Medicine
... response," he said. "If we are able to identify a pathogen
that triggers this process, then we could set to work on developing new strategies to stop that pathogen. Some think that a vaccine might be a successful approach."...
Scientists determine identity, cell locale and quantity of nearly all proteins in an organism
...from a separate organism - a bacterial parasite or pathogen
that invaded our ancient ancestral cell. The mitochondrion, as scientists now believe, is a direct descendent of an independent organism that simply "moved in" and started keeping house with its host. Weissman and O'Shea have known each other since...
UT Southwestern researchers receive $15.1 million in federal grants to study biothreats
... areas of research assigned to the Texas region: a pathogen
expression center overseen by Dr. Stephen Johnston, director of UT Southwestern's Center for Biomedical Inventions and professor of biochemistry and internal medicine; and a biocomputation center led by Dr. Harold "Skip" Garner, professor of biochemi...
Tufts University wins $25-million NIH contract
...ate Tufts' plan to establish a food and waterborne pathogen
research center that includes a regional water testing facility. "This center will place us at the forefront of the national biodefense effort to safeguard our food and water sources," Tzipori said. "We are especially pleased to be working with our ...
Taking aim at bioterrorism: UH professor gets HHS funding to battle anthrax
...oss-talk that occurs during an infection between a pathogen
and human cells and tissue. Professor Blanke, who joined the UH faculty in 1996, has primarily focused on examining the fundamental molecular mechanisms that bacterial toxins such as diphtheria, cholera and anthrax use to establish infection and d...
Salmonella uses molecular staples to change structure of infected cells
...lla has also been used as a biological weapon, the pathogen
is classified as a food and water safety threat in...of very sophisticated virulence proteins, and each pathogen
can use these proteins in different combinations to manipulate a host cell in unique ways," says Ste...
Researchers solve the mystery of a key structure in immune system cells
..., in the evolution of these systems there was some pathogen
that figured out that if it could swamp this syste...It doesn't necessarily relate to the amount of the pathogen
present; the immune system just wants to know whether there's something new to deal with." In their ...
Researchers develop system to detect biowarfare agents on navy ships
... a definitive answer on whether or not a suspected pathogen
had infiltrated a ship, said Boehm. Suspicious sam... we could find a single gene copy amid an ocean of pathogen
in less than an hour," Boehm said. This kind of quick detection helps medical personnel know how to ...
Unraveling the genetics of fusiform rust
...ics (SIFG) in Saucier, MS are mapping genes in the pathogen
that causes fusiform rust to provide future forest...sistance genes can become infected by forms of the pathogen
that carry virulence to these resistance genes. To more effectively manage for the disease, we need ...
Newly found gene resistant to economically crippling wheat disease
...s." The markers facilitate finding plants with the pathogen
resistance gene. As soon as a seedling sprouts, a ...e effectively in different parts of the world, the pathogen
is easily spread, especially in today's world of fast transportation. The fungus is spread and grows...
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