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Strain in Biological News

The tiny difference in the genes of bacteria

... in the genome of bacteria. Every single bacterial strain has such characteristic repeats. "With this ... ingested bacteria causing severe diarrhoea. This strain is a threat for the pacific region and reached ... marked with dyed fragments: Every bacteria strain differs in pattern and size of the measured ...

The tiny difference in the genes of bacteria

... in the genome of bacteria. Every single bacterial strain has such characteristic repeats. "With this ... ingested bacteria causing severe diarrhoea. This strain is a threat for the pacific region and reached ... marked with dyed fragments: Every bacteria strain differs in pattern and size of the measured ...

Plant microbe shares features with drug-resistant pathogen

... has discovered extensive similarities between a strain of bacteria commonly associated with plants and ... caution in the use of the plant-associated strain for a range of biotech applications. The genetic ... also suggest caution in using this particular strain of plant-dwelling bacteria for a range of biotech ...

Rapid approach to identify influenza A virus mutations and drug resistance developed

... diagnostics and is able to recognize any novel strain of influenza A in the first pass. This ... it can also rapidly determine whether the strain has developed drug resistance. (Details of ... important given the rapid spread of the new strain of the influenza A (nH1N1) virus. Experts have ...

Princeton team's analysis of flu virus could lead to better vaccines

... center their efforts upon developing a weakened strain of a virus that matches as closely as possible ... might involve intentionally developing a vaccine strain that differs from the anticipated infectious ... to more fiercely fight the dangerous infecting strain when it comes along. The team does not expect ...

HudsonAlpha investigator develops rapid response swine flu test

... molecular-level assay for swine flu, the current strain of the H1N1 family of the influenza virus. The ... Laboratories. The panel will detect the current strain of swine flu, as well as Influenza A, Influenza B ... Because of the potential for the current strain of virus to mutate, Han, who holds both M.D. and ...

Avian flu research sheds light on swine flu outbreak

... the method by which the current swine influenza strain likely formed," said Perez, program director of ... the H9N2 virus. Though it comes from a different strain of avian flu than the one that contributed to the ... be doing more research on the current swine flu strain to study its specific genetic mutations." ...

Review of probiotic trial research finds only Bifantis able to claim efficacy for IBS symptoms

... infantis 35624 was the only probiotic strain out of 13 different individual strains or ... because we firmly believe in the benefits of this strain for the millions of Americans struggling to ... consider when selecting a probiotic product - strain specificity, clinical proof, packaging, and the ...

Scientists gather to protect global food security from return of devastating wheat fungus

... distribution of wheat that is resistant to a new strain of wheat stem rust called Ug99. The spread of this virulent new strain is ultimately expected to require replacement of ... cultivation worldwide. In the 1950s, a fatal strain of wheat stem rust invaded North America and, at ...

Shades of 1918? New study compares avian flu with a notorious killer from the past

... team of collaborators, compared the recent avian strain known in the scientific community as H5N1, with ... share genetic characteristics with each parent strain but may also possess novel attributes, including ... The group sought to compare the 1918 flu strain with H5N1 through a systems biology approach, ...

February 2009 Geology and GSA Today media highlights

... organisms on Mars. Mantle weakening and strain localization: Implications for the long-term ... dynamic grain size reduction can trigger intense strain localization. This process of ductile strain localization could drastically reduce the ...

Single gene lets bacteria jump from host to host

... light organ and a fish that uses a different strain of the same species of bacteria like a flashlight ... which feeds at night near the ocean surface, one strain of the bacterium forms a light organ that mimics ... predators below. In the pinecone fish, another strain of the bacterium colonizes a light organ within ...

Tension in the nanoworld

... and nanoscale resolved infrared mapping of strain fields in semiconductors. The method, which is ... publication, 11 Jan. 2009). Visualizing strain at length scales below 100 nm is a key requirement in modern measurement because strain determines the mechanical and electrical ...

Study: Excessive use of antiviral drugs could aid deadly flu

... and Evolution . So far, avian flu, the H5N1 strain of the influenza A virus, has been restricted to ... cases of drug resistance didn't start in just one strain of avian flu. One resistant strain originated in China and spread through Southeast ...

NYU scientists discover dangerous new method for bacterial toxin transfer

... successfully transferred DNA from an S. aureus strain to L. monocytogenes via bacteriophages in the labusing a strain in which the gene for toxic shock toxin had been ... that they have not yet discovered any Listeria strain that contains the transferred genetic elements or ...

UT Public Health researchers find link to severe Staph infections

... S. aureus (CA MRSA). In the United States this strain is the most common CA MRSA isolate and can cause ... the antibiotic-resistant USA300 CA MRSA strain is typically acquired by persons through contact with the bacteria. This Staph strain is not typically associated with hospitalizations ...

'Strained' quantum dots show new optical properties

... and the shell is stretched. This physical strain changes the energies, and wavelengths, of the ... mismatch between the core and the shell, so the strain effect is a general phenomenon," Nie says. "But ... into consideration. Our work shows that lattice strain is another key factor that must be considered, in ...

Researchers recreate SARS virus, open door for potential defenses against future strains

... to find effective vaccines and treatments for any strain of SARS virus that might affect humans in the ... treatments that would be effective against any strain of SARS that might infect humans in the future. ... better vaccines and drugs that will treat any strain of this virus that infects humans," Baric said. ...

Feed a cold, feed a fever: Research shows calorie cut makes it harder to fight flu

... and minerals. "If you are exposed to a new strain of influenza, to which your body has not made ... that might infect the population. "If the strain of flu a person is infected with is different from the strain included in the flu vaccination, then your body ...

Scientists discover 21st century plague

... the DNA of the bacteria, we discovered a strain that is most closely related to B. rochalimae , ... tribocorum . However, the scientists noticed one strain that had not been identified in rodents previously. The strain was finally shown to be close to B. rochalimae . ...

Better beer: College team creating anticancer brew

... has gone into creating a genetically modified strain of yeast that will ferment beer and produce ... that there's only one genetically modified strain of yeast that's ever been approved for use in ... Ouyang. Ouyang said the team is working with a strain of yeast that's used commercially to make wheat ...

Deadly rugby virus spreads in sumo wrestlers

... wrestlers in Japan and have discovered that a new strain of the virus could be even more pathogenic, ... spreading. "Scientists in Japan believe that a strain of herpes virus called BgKL has replaced the strain BgOL as one of the most common and pathogenic, ...

Scientists identify gene that may contribute to improved rice yield

... the activity of invertase within a normal strain of rice, in which the GIF1 gene lacked any mutations, and within a mutant strain of rice, in which the GIF1 gene contained a ... found that invertase activity in the mutant strain was only 17 percent of the activity that was ...

Viral recombination another way HIV fools the immune system

... infected with HIV become infected with a second strain of the virus, the two viral strains can exchange genetic information, creating a third, recombinant strain of the virus. It is known that the presence of ... the patient had become infected with a second strain of HIV, and two months later it was found that ...

From foe to friend: Researchers use salmonella as a way to administer vaccines in the body

... by bursting the cells and preventing the vaccine strain from spreading into the environment. "The data ... in the absence of arabinose and clearance of the strain from host tissues," the researchers state in the PNAS article. "More importantly, our strain was fully capable of delivering a test antigen ...

US Department of Energy Joint Genome Institute announces new genome sequencing projects

... and fermentation (SSF). Hansenula polymorpha strain NCYC 495 leu1.1 is a yeast capable of fermenting ... by fungi, in many cases Trichoderma reesei strain Qm6a (whose genome sequence analysis was ... levels of cellulase production and derived from strain Qm6a with the purpose of characterizing the ...

A single mechanism for hypertension, insulin resistance and immune suppression

... have discovered a common molecular mechanism in a strain of rat that explains why such metabolic disorders ... in the spontaneously hypertensive rat (SHR), a strain predisposed to develop high blood pressure. In ... spontaneously hypertensive rat (SHR). The SHR strain is a model for essential hypertension in humans ...

Brucella abortus S19 genome sequenced; points toward virulence genes

... have sequenced the genome of Brucella abortus strain S19. strain S19 is a naturally occurring strain of B. abortus that does not cause disease and ...

E.coli a future source of energy?

... Department of Chemical Engineering, has tweaked a strain of E. coli so that it produces substantial amounts of hydrogen. Specifically, Woods strain produces 140 times more hydrogen than is created ... may be used to hearing about the very specific strain that can cause food poisoning in humans, most ...

Metal foam has a good memory

... to 10 percent when a magnetic field is applied. strain is the degree to which a material deforms under ... In contrast, a single crystal exhibits a large strain as there are no internal boundaries. By ... alloy to a rotating magnetic field. The level of strain achieved after each of the over 10 million ...

Scientists decode genomes of diverse TB isolates

... sequence of an extensively drug resistant (XDR) strain of the bacterium Mycobacterium tuberculosis, one ... heavily burdened by disease. The sequenced strain is responsible for the vast majority of the more ... KwaZulu-Natal. Genetic characterization of this strain is essential for developing tools to get this ...

New field-deployable biosensor detects avian influenza virus in minutes instead of days

... have been exposed to the virus. A virulent strain of avian influenza (H5N1) has begun to threaten ... detected by the sensor. Xu tested a third strain of the virus as a control. When the sensor ... collect only the other two strains, the control strain was not detected even at high concentrations. ...

A new kind of rat model

... from a normal rat. In theory, if the new strain is cured of a disease, then the genes responsible ... The impairments that we saw in one consomic strain are similar to some of the symptoms that you see ... we were very interested to see how this consomic strain performed on a variety of learning tasks, he ....

Curbing C. difficile's toxin production

... food. The researchers first developed a mutant strain of C. difficile bacteria that does not make the ... the amount of toxin produced by the mutant strain of bacteria to the amount of toxin produced by normal bacteria. The mutant strain produced much higher levels of toxin. The ...

UCI and CODA Genomics collaborate to re-engineer yeast for biofuel production

... on new research aimed at turning a common strain of yeast used in the production of beer, wine and ... to tweak the genetic structure of a yeast strain called Saccharomyces. It has the potential to ... inefficient. Were trying to build a better yeast strain one that can produce more ethanol from the same ...

7th annual [BC]2 Basel Computational Biology Conference 'Molecular Evolution' June 18-19, 2009

... the study of influenza virus evolution, required for influenza vaccine strain selection. Derek is one of the leading scientists studying the current ... influenza surveillance network as part of the influenza vaccine strain selection process. Richard E. Lenski, who will be speaking about the ...

American Chemical Society weekly presspac -- June 10, 2009

... GI tract into the blood. The scientists describe development of a new strain of Listeria monocytogenes, bacteria that normally cause food poisoning, ... say. ARTICLE #4 FOR IMMEDIATE RELEASE "A Stably engineered, Suicidal strain of Listeria monocytogenes Delivers Protein and/or DNA to Fully ...

Is love at first sight real? Geneticists offer tantalizing clues

... two different strains of fruit fly females to males either from their own strain or to males from the other strain. They noted the males with which females of each strain tended to mate and then examined whether the females showed differences in ...

The host makes all the difference

... of type Influenza A flu viruses. All of the animals within one mouse strain are genetically identical, like identical twins. However, one strain differs from another just like different individuals in the human ...

Greatest thing since sliced bread: New data offer important clues toward improving wheat yields

... strains of wheat with higher yields or more resistant to the environmental strain brought about by global warming. "With the human population predicted ... crossed a diploid and tetraploid progenitor species and formed a synthetic strain of wheat in the laboratory. Then they simultaneously measured genetic ...
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