Plant immune system's 'take two aspirin' gene, offers hope for disease control
...ent system of host defense." When tobacco mosaic virus attacks a tobacco plant, the PNAS authors report, the immediate visible effect of SABP2 is to enable salicylic acid to induce the so-called hypersensitive resistance response. "We see programmed cell death at the site of the attack as plant cells sac...How lice and bird feathers stick together
...are nocturnal, cat-shaped creatures. The West Nile virus is spread from birds and mosquitoes to humans. While the new study is not immediately relevant to SARS and West Nile, "if we know why parasites use some hosts and not other hosts, then we can begin to predict what hosts may get hit in the future by ...Novel therapies show promise against myeloid leukemia
...n was produced by MSC after their infection with a virus carrying the interferon-beta gene. Immunodeficien...ication-competent oncolytic adenovirus (delta24, a virus capable of destructing tumor cells) into tumors. Thus, MSC act as "Trojan horses" that carry therap...HPV testing could be future strategy for primary screening for cervical cancer
... cancer screening. Testing for the human papilloma virus (HPV)-the main cause of cervical cancer-could be t...one in which the search for a sexually transmitted virus becomes the focus of disease detection. Clients and providers will have to learn to live with the ne...Pittsburgh researchers engineer and successfully test SARS corona vaccine in animal model
...e recombinant vaccine by engineering a common cold virus to express the SARS coronavirus antigens. This is a successful strategy that we are exploring for other infectious diseases such as HIV," said Dr. Gambotto. "After injection, the vaccine acts as a Trojan Horse, first by infecting cells in the body, a...Budding viral hijackers may co-opt cell machinery for the getaway
...rane of host cells. These transporters protect the virus from attack by the immune system, as they disguise the virus as part of the body. The outer membrane of the virus particle also helps the virus to spread, as it ...Communication is key to successful U.S. SARS quarantine
...aggressive public health measures." SARS was a new virus that struck unexpectedly and the countries affected had little time to plan a response, Rothstein said. To combat the epidemic, the countries studied in the report imposed large-scale quarantines and the vast majority of people took part voluntarily.......at in the radiotherapy-only group. Peng hopes the virus will work against other kinds of cancers too. The ...t expect any long-term adverse effects because the virus does not integrate into the genome of cells- unlike the viruses used in the French gene therapy tria...Marine scientists discover nutrient pollution boosts fungi, bacteria killing Caribbean reefs
...ned immune defenses such as patients with HIV, the virus that causes AIDS. What causes yellow band disease of the reef-building corals is unproven, but Dr. Garret W. Smith of the University of South Carolina believes that it is a bacterial infection that spreads over the surface of coral colonies like a ye...Smallpox in Europe selected for genetic mutation that confers resistance to HIV infection
...utation that makes them more resistant to the AIDS virus probably have smallpox to thank, according to two ...of the gene are almost completely resistant to the virus This genetic mutation arose as recently as 700 years ago, and some researchers have suggested that t...Naked mole-rats bare pain relief clues
...erstand its role in pain signaling," said Park. A virus was applied to the feet of the rats to transport D...Substance P through nerve endings on the skin. The virus then migrated over a period of a few days to nerve cells near the spinal cord where the DNA produced...Advance in developing biological strategies to produce hydrogen and sequester carbon dioxide
...ed in stitching together a genome of a phage, or a virus of bacteria. An article by Dr. Venter and his IBEA... are 100 to 1,000-times larger than the artificial virus created so far. "With this advance," Abraham said, "it is easier to imagine, in the not-too-distant ...With flu season coming, don't forgetexercise?
... HSV-1 : Intranasal inoculation of Herpes simplex virus type 1 (HSV-1) VR strain was administered. This st...e collected, prepared and infected with HSV-1. The virus was allowed to absorb for 90 minutes and, 72 hours after infection, anti-viral resistance was quanti...U. of Colorado team developing 'Flu Chip' for fast, accurate diagnosis
...vity during infection. "For comparison, the corona virus that caused the recent outbreak of SARS has claime...r engineered genetic change that could result in a virus capable of rapid and lethal spread within the population." One of the most dramatic events in infl...NHGRI selects sequencing centers
...s widely used in studies of human immunodeficiency virus (HIV) infection. Other organisms currently on NHGRI's high-priority list for sequencing are: the cow; the South American gray, short-tailed opossum (a marsupial); the red flour beetle; the acorn worm; the flatworm Schmidtea mediterranea; 10 more spec...Herpes research uncovers possible clue to Alzheimer's disease
...d a physical connection between the herpes simplex virus and amyloid precursor protein, a protein that brea...ieves the work does in fact link the common herpes virus of cold sores with the neurodegenerative disorder. Bearer isalso a summer investigator at the Marine...Can viruses that infect bacteria fight plant disease?
...een exploring the use of bacteriophages, a form of virus that can be used to manage bacteria that have become resistant to antibiotics, plant pathologists with the American Phytopathological Society (APS) now say that this same approach may also help fight plant disease. According to Jason Gill, a phage r......observed in North Dakota are falling victim to the virus as it moves west. The USGS National Wildlife Healt...osses are estimated in the thousands. Although the virus killed adult white pelicans, the greatest losses were in juveniles in nesting colonies. Up to 100 pe...Children with HIV more likely to utilize health services than infected adults
...hildren in the United States infected with the HIV virus (these statistics may not include data from all 50...American, were all infected by transmission of the virus from their infected mother during pregnancy or delivery. In particular, researchers focused on the ......allpox virus, through genetic engineering. The new virus kills all mice even if they have been given antivi...y. "I have great concern about doing this in a pox virus that can cross species," said Ian Ramshaw of the Australian National University in Canberra on being...