Tag: "tobacco" at biology news
Washington University in St. Louis, Monsanto Co., awarded crop protection patent
...arch began in the early '80s with attempts to make tobacco
plants resistant to a virus called tobacco
mosaic virus (TMV). This involved constructing target genes containing a viral-coating protein and ...
Tips from the Journals of the American Society for Microbiology
... the study, the researchers genetically engineered tobacco
and potato plants to produce a major structural protein of HPV. When the protein was purified and administered to mice, it induced an immune response. When the potatoes were fed to mice, they also induced an immune response, though not as significa...
First company founded on UCF biotechnology formed
...ing methods of growing drugs such as interferon in tobacco
leaves. "Tobacco is the fruit fly of plant resear...essfully expressed proteins in the chloroplasts of tobacco
and other crops, Chlorogen will now focus on developing an economical method to extract the proteins...
Fears of second-hand smoke confirmed
... concentrations of cigarette smoke extract. The tobacco
by-product induces fibroblast apoptosis that paral...nce of this class of molecules in the treatment of tobacco
smoke-induced pulmonary diseases....
OHSU researcher publishes first measurements of 'free-base' nicotine in cigarette smoke
...rst reliable measurements of free-base nicotine in tobacco
smoke. "We believe that this study is a major st...derstanding how addictive nicotine is delivered by tobacco
smoke," said James F. Pankow, Ph.D., professor of environmental and biomolecular systems at OHSU's O...
Two genes may interact to increase risk of lung cancer in smokers
...crease the risk of lung cancer in those exposed to tobacco
carcinogens. The preliminary findings are being pr... increased risk of lung cancer in those exposed to tobacco
smoke. While we have known that these genes are linked to lung cancer on their own, this is the firs...
Rutgers receives $22.6 million to investigate genetics of mental disorders
...al diseases; disorders such as heroin, cocaine and tobacco
abuse; diabetes and obesity; and aging and longevity. "The center will play a critical role in future genetic studies on mental disorders in the post-genomic era," said Steven Moldin, NIMH project director for the center. "Rutgers has assembled a wo...
Cigarette smoke linked to low folate levels
...ides biological support for recent studies linking tobacco
smoke exposure to heart disease and breast cancer ...des biological plausibility to examine the role of tobacco
smoke exposure in other folate-related diseases such as neural tube defects and colon cancer," Manni...
Many pregnant women may have depression, but few getting treatment, study finds
...unemployed or without a partner, using alcohol and tobacco
during pregnancy, or having lower levels of education were all more likely to score above 16 on the CES-D scale of distress and depression. The study also showed that the vast majority of currently or previously depressed women -- 86 percent of thos...
Carnegie Mellon University research story ideas on DNA
... Over the next several years, courtesy of PA state tobacco
settlement funding, the Carnegie Mellon team is refining these technologies, scaling them up and applying their methods to cancer research. All these integrated projects should speed the discovery of molecular drug targets and paint a much better pi...
Sometimes no result is good result for science
...s whose caterpillar feeds on alfalfa, sugar beets, tobacco
and tomato crops. The insect has played an important role in research on viruses and their use as an environmentally friendly means of pest control, since the polyhedrosis virus was originally isolated from its larvae more than 30 years ago. "MTase1 ...
Underserved US minorities face 'unequal burden of cancer' that must be corrected
...tors include the targeting of African Americans by tobacco
companies, through advertising in magazines, on billboards, and during sporting events and other forms of entertainment; the African-American diet, which tends to be lower in fruits, vegetables, and fibers and higher in saturated fat; higher rates of...
The hormone ethylene is necessary for plant resistance
...ts to pathogens. The researchers produced modified tobacco
plants which were insensitive to ethylene. These p...iseases in unmodified plants. Furthermore, various tobacco
pathogens caused considerably more damage in the modified than in the unmodified tobacco
Making a safer anthrax vaccine using spinach
...v and his colleagues have genetically engineered a tobacco
mosaic virus that, when inserted into spinach plants, instructs the plants to manufacture fragments of PA. The fragments can then easily be purified and used in a vaccine. They are already being used in the production of PA specific antibodies in l...
Sex, flounder and donuts
...nt. "Aquaculture can be a lucrative alternative to tobacco
farming," says Daniels, who eyes tobacco
greenhouses as potential settings for growing Southern flounder in recirculating systems. Not suited...
Researchers find a genetic connection in Sudden Infant Death Syndrome (SIDS)
... that "recognizing the strong relationship between tobacco
exposure (prenatal and postnatal) and SIDS risk, future studies of genetic polymorphisms must also include detailed smoking history to clarify the role of gene-environment interaction." "If a larger data set reflects observations similar to those i...
Study finds more than 1 in 10 pregnant women drink alcohol
...urvey questions about overall health, exercise and tobacco
use. The women also answered questions about their drinking habits in the year prior to becoming pregnant. The researchers divided up the women who reported any alcohol use during pregnancy into low and high-risk groups. Eighty-six percent of the wom...
Gene researchers close in on nicotine's 'evil cousin'
...espite its addictive qualities and its presence in tobacco
products, increasingly taboo in these health-consc...y friendly insecticide, repelling bugs that attack tobacco
and other plants, and - contrary to popular misconceptions - it is not a carcinogen. Take a nicotine...
Pittsburgh researchers target genetic, environmental threats to maternal and fetal health
...egnancy and the maternal and fetal consequences of tobacco
smoke exposure. Research protocols will use non-invasive diagnostic imaging scans including magnetic resonance imaging (MRI), positron emission tomography (PET) and computed tomography (CT). Through use of unique genetic markers and imaging, research...
American Society for Microbiology Journals tipsheet: September 2002
...CONTAMINATED WITH BACTERIA Some brands of chewing tobacco
are contaminated with bacteria that can damage cel...e researchers tested two popular brands of chewing tobacco
and found them contaminated with five distinct species of Bacillus bacteria at relatively high level...
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