Understanding how weeds are resistant to herbicides
URBANA - In a little over seven hours, University of Illinois weed scientist Patrick Tranel got more genetic information about waterhemp than in two years time in a lab. The genetic information was obtained using pyrosequencing technology in the Keck Center at the U of I. The genetic sequence will...
New technology shows promise against resistant staph infections
April 29, 2009 (BRONX, NY) Scientists at Albert Einstein College of Medicine of Yeshiva University have combined their revolutionary new drug-delivery system with a powerful antimicrobial agent to treat potentially deadly drug-resistant staph infections in mice. The study is published this month...
UniPixel Announces Availability of Opcuity(TM) Finger Print Resistant Film Test Samples
Opcuity FPR Prevents Finger Prints on Touch Displays, Without Sacrificing Display Viewing Quality
THE WOODLANDS, Texas, March 26 /PRNewswire-FirstCall/ -- Uni-Pixel, Inc. (OTC Bulletin Board: UNXL), the developer of a unique new thin film called Opcuity(TM) FPR (Finger Print Resistant), today...
Scripps scientists find structure of a protein that makes cancer cells resistant to chemotherapy
A research team at the Scripps Research Institute has obtained the first glimpse of a protein that keeps certain substances, including many drugs, out of cells. The protein, called P-glycoprotein or P-gp for short, is one of the main reasons cancer cells are resistant
to chemotherapy drugs. Unders...
Genome of a heat and drought resistant cereal plant analyzed
2009-01-30. The global climate is changing, and this change is already impacting food supply and security. People living in regions already affected by aridity need plants that can thrive / grow under dry conditions.
One example is sorghum: Also known as milo, durra, or broomcorn, sorghum is a ...
Avian flu becoming more resistant to antiviral drugs, says University of Colorado study
A new University of Colorado at Boulder study shows the resistance of the avian flu virus to a major class of antiviral drugs is increasing through positive evolutionary selection, with researchers documenting the trend in more than 30 percent of the samples tested.
The avian flu, an Influenza ...
Disinfectants can make bacteria resistant to treatment
Chemicals used in the environment to kill bacteria could be making them stronger, according to a paper published in the October issue of the journal Microbiology . Low levels of these chemicals, called biocides, can make the potentially lethal bacterium Staphylococcus aureus remove toxic chemical...
Soybean varieties viable in southern Indiana, resistant to root-knot nematode
WEST LAFAYETTE, Ind. - Purdue University researchers have identified several soybean varieties that grow well in areas of the Midwest like southern Indiana and are resistant
to root-knot nematodes, a plant-destroying parasite with a recently confirmed presence in that part of the state.
First all-African GM crop is resistant to maize streak virus
The first all-African genetically modified crop plant with resistance to the severe maize streak virus (MSV), which seriously reduces the continents maize yield, has been developed by scientists from the University of Cape Town and PANNAR PTY Ltd, a South African seed company. The research, publis...
Refusal of suicide order: Why tumor cells become resistant
Cells with irreparable DNA damage normally induce programmed cell death, or apoptosis. However, this mechanism often fails in tumor cells so that transformed cells are able to multiply and spread throughout the body. Scientists at the German Cancer Research Center (Deutsches Krebsforschungszentru...
Will the plague pathogen become resistant to antibiotics?
A small piece of DNA that helps bacteria commonly found in US meat and poultry resist several antibiotics has also been found in the plague bacillus Yersinia pestis, gene sequence researchers report.
The ability to resist many of the antibiotics used against plague has been found so far in only...
HIV/AIDS linked to extensively drug resistant TB
A highly drug-resistant form of tuberculosis (TB) has been linked to HIV/AIDS in a study conducted in rural South Africa by researchers at Yale School of Medicine.
Published in the October 26 issue of The Lancet, the study is the result of a five-year collaboration between a Yale and South Africa...
Restoring tamoxifen sensitivity in resistant breast cancer cells
The widely used breast cancer drug tamoxifen (Nolvadex®), which can become less effective over time, might retain its full strength indefinitely if used along with a second drug, according to new research in mice conducted by investigators from the National Cancer Institute (NCI), part of the Natio...
Botox could help target resistant tumors for treatment
The cosmetic treatment Botox may have a new use as an adjuvant to cancer therapy, providing an open door for chemotherapy and radiation treatments, according to a study published in the Feb. 15 issue of Clinical Cancer Research.
The study in mice, led by Bernard Gallez, Ph.D., professor of pharm...
Experimental TB drug effective against resistant and latent mycobacterium tuberculosis
An experimental tuberculosis drug may be effective against not only multi drug-resistant forms of the disease but could also be the first compound to treat the latent stage of infection as well. Researchers report their results today at the 2006 ASM Biodefense Research Meeting.
"The class of wh...
Drug resistant avian influenza viruses more common in Southeast Asia than North America
Analysis of a key protein in different subtypes of avian flu viruses shows that resistance to the antiviral drug amantadine in H5N1 occurs worldwide, but is especially prevalent in China, according to St. Jude
Resistance to the antiviral drug amantadine is spreading more rapidly among avian infl...
UF researchers kill resistant bugs one bandage at a time
University of Florida researchers have led the development of a new type of wound dressing that could keep dangerous antibiotic-resistant bacteria from spreading in hospitals, a problem that leads to thousands of deaths in the United States each year.
This microbicidal coating - which can be chem...
Multiple-drug resistant gene expression pattern predicts treatment outcome for pediatric leukemia
A new study is providing scientists with a better understanding of why some pediatric acute lymphoblastic leukemia (ALL) patients fail to respond to treatment even when existing clinical predictive criteria point towards a positive treatment outcome. The research, published in the April issue of Ca...
Antibiotic Resistant Bacterium Uses Sonar-like Strategy to “See?Enemies or Prey
For the first time, scientists have found
that bacteria can use a Sonar-like system to spot other cells (either
normal body cells or other bacteria) and target them for destruction.
Reported in the December 24 issue of Science, this finding explains how
some bacteria know when to produce a toxin th...
Got zinc? New zinc research suggests novel therapeutic targets
...tant, this work points toward new possible targets for entirely new drugs to help augment immune function and prevent or stop infections that might be resistant
to traditional antibiotics."
K-State researcher, collaborators study virulence of pandemic H1N1 virus
..., targets the M2 protein; the other type includes drugs like Tamiflu that target the neuraminidase protein. He said that this pandemic H1N1 is already resistant
to the M2 inhibitors but still is sensitive to Tamiflu.
"Some pandemic flu isolates from humans have now shown resistance to the Tamiflu," Richt sa...
Jet-propelled imaging for an ultrafast light source
...mallest protein nanocrystals from which diffraction patterns have ever been obtained, and the first from membrane protein nanocrystals among the most resistant
Although the microcrystals weren't individual protein specimens, and while the 9.0.1's x-ray beams aren't as bright or as rapi...
Test helps in fight against lung infections and for treating other life-threatening infections
...re costs increased, but the bacteria would be more likely to develop resistance to one or more antibiotics. Biofilm infections can be 1000 times more resistant
to antibiotics than conventional infections.
Now, for the first time ever, the breakthrough test developed by Innovotech™ Inc. has shown very...
'Corrective genes' closer thanks to enzyme modification
...Montral and McGill University have re-engineered a human enzyme, a protein that accelerates chemical reactions within the human body, to become highly resistant
to harmful agents such as chemotherapy, according to a new study published in The Journal of Biological Chemistry .
"Our team modified and decoded...
Parasitic worms make sex worthwhile
...Poerua, as a kind of control.
The researchers learned that snails from the shallows are especially susceptible to their native worms, but extremely resistant
to the infection of worms from other lakes. Furthermore, they learned snails from the same lake were far more likely to be susceptible to infection if...
C. difficile spores spread superbug
" C. difficile is a highly resistant
and highly infectious pathogen and resistant
to many front line antibiotics," explains Dr Trevo...ile transmission relies on the shedding of highly resistant
spores in the faeces of humans. These bacterial sp...
Herbicide diversity needed to keep Roundup effective
...e will drastically reduce weeds and seeds that are resistant
to a popular herbicide.
Excess usage of glyphos...has led to weeds, such as marestail, that also are resistant
to glyphosate, the herbicide used in Roundup. Bill...changing management practices can almost eliminate resistant
marestail and its viable seeds in the soil.
Mount Sinai's Dr. Benjamin tenOever to be honored by White House
...tudy cellular response to RNA virus infectionsthe genetic interactions that occur within cells attacked by virusas well as processes that render cells resistant
to infection, in the hope of reducing the global burden from such pathogens.
"The National Science and Technology Council's recognition of Dr. ten...
Forest fire prevention efforts will lessen carbon sequestration, add to greenhouse warming
...if used properly;
Such fuel removal almost always reduces carbon storage more than the additional carbon the stand is able to store when made more resistant
to wildfire, in part because most of the carbon stored in forest biomass remains unconsumed even by high-severity wildfires;
Genetic factors implicated in survival gap for breast, ovarian or prostate cancer
...versity Medical Center. "There may be differences in genetic factors by race that alter the metabolism of chemotherapy drugs or that make cancers more resistant
or more aggressive. We are now starting research to determine the role of these factors in this disparity."
"When you look at the dialogue about th...
U Alberta researcher in same group as Darwin and Hawking
...than conventional antibiotics and are effective against infectious bacteria resistant
to commonly used antibiotics. Currently, more than 50 per cent of hospital-acquired infections are resistant
to common antibiotics. Veredas' work also centres around biosynthesis by fu...
New national genome center launched
...t and diary prices for consumers and put animal welfare at risk. Understanding the genomes of livestock such as sheep will help breeders raise animals resistant
Producing more nutritious fruit and vegetables. Certain fruit and vegetables contain beneficial compounds that have been associated wit...
...lecular Biology and Applied Ecology IME in Aachen are making certain plants resistant
to the GFLV by genetic engineering. "Our modified plants produce antibodies...d the first results show that their modified versions are up to 100 percent resistant
to the virus. "The antibody is produced very effectively inside the plants,...
UT scientist receives hemophilia research award
...for people with Hemophilia A, a bleeding disorder, whose immune systems are resistant
to treatment. Hemophilia A affects about one in every 5,000 males born in t... Nearly one in three people with Hemophilia A have immune systems that are resistant
to replacement Factor VIII and produce antibodies that attack the synthetic...
Researchers see evidence of memory in the songbird brain
...ake some changes and not be overwhelmed by it. If you push the system around too much, cells die."
On the other hand, if the system were completely resistant
to disturbance, no memory would form, he said.
Twenty-four hours after the initial stimulus, the pattern of activated genes was entirely different ...
Scientists sequence genome of the N2-fixing, soil-living bacterium Azotobacter vinelandii
...erse sources of nutrients. For example, if no carbon source is present, A. vinelandii will undergo a differentiation process, forming cysts that are resistant
to desiccation and other chemical and physical challenges.
A. vinelandii belongs to the Pseudomonadaceae family. The completion of the A. vinel...
Crustacean shell with polyester creates mixed-fiber material for nerve repair
...the mechanical strength of the synthetic polymer.
"A nerve guide requires very strict conditions. It needs to be biocompatible, stable in solution, resistant
to collapse and also pliable, so that surgeons can suture it to the nerve," said Miqin Zhang, a UW professor of material science and engineering and l...
CU-Boulder study shows Maya intensively cultivated manioc 1,400 years ago
...ding major roles in religious and cosmological activities of the Maya," said Sheets. "But manioc, which grows well in poor soils and is highly drought resistant
did not. I like to think of manioc like an old Chevy gathering dust in the garage that doesn't get much attention, but it starts right up every time ...
Plant microbe shares features with drug-resistant pathogen
For one thing, the scientists found genes that make the bacteria resistant
to a wide range of antibiotics in both strains. "This suggests that antibio...help us to better understand the potential of bacteria to produce or become resistant
to antimicrobial compounds."
The findings may also reveal new targets f...
They are young and need the job: A second chance for dangerous T-cells
... reeducated into regulatory T-cells. Under identical conditions, however, older T-cells become fully activated and can cause damage they are in a way resistant
to reeducation. "We now intend to study at the molecular level what makes a T-cell accessible for reeducation," said Klein, "because then it may be po...