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Strains in Biological News

K-State researcher, collaborators study virulence of pandemic H1N1 virus

... The researchers also studied the virulence of two strains of the pandemic H1N1 virus in a nonhuman primate model as a way to predict how the strains would affect humans. Comparing an isolate from ... the big issue now is if these Tamiflu-resistant strains take over, we have no drug to treat infected ...

The tiny difference in the genes of bacteria

... this method we are able to identify bacterial strains as well as clarify their genetic relationships. ... century. Interestingly, not all Vibrio cholerae strains are pathogenic to humans. Only those strains cause severe diarrhoea known as Cholera that ...

The tiny difference in the genes of bacteria

... this method we are able to identify bacterial strains as well as clarify their genetic relationships. ... century. Interestingly, not all Vibrio cholerae strains are pathogenic to humans. Only those strains cause severe diarrhoea known as Cholera that ...

Plant microbe shares features with drug-resistant pathogen

... were particularly interested in comparing two strains of S. maltophilia whose genomes were recently decoded to see why these strains - one isolated as an opportunistic pathogen from ... about similarities in the mechanisms the two strains use to colonize their respective environments. ...

Researchers from around the globe coming to K-State June 21 for workshop on Fusarium fungus

... commercial banana business in Central America. strains of this fungus pose a threat to the food supply, ... that using DNA analysis to identify different strains has helped answer questions of more than 100 ... that the breeder can now can screen against the strains that they really care about," he said. "The first ...

Avian flu research sheds light on swine flu outbreak

... with it, so humans have general immunity to human strains of avian influenza strains. But humans do not generally have immunity to avian flu strains because they have not been infected by them ... to escape the human immune response. Avian flu strains are therefore more dangerous for humans because ...

The host makes all the difference

... researchers injected seven different inbred mouse strains with the same quantity of type Influenza A flu ... between the seven strains. In five of the strains the illness was mild: the animals lost weight, ... seven to eight days. However, in two of the mouse strains the animals lost weight rapidly and died after ...

Pitt-led researchers create quick, simple fluorescent detector for TB

... (TB) and expose the deadly drug-resistant strains of Mycobacterium tuberculosis that can mingle ... showed that the extensively drug-resistant TB strains can kill within 16 days, on average," Hatfull ... methods for detecting TB and drug-resistant strains at the local clinic. This test provides a quick ...

Einstein and Pitt researchers develop new TB test that will dramatically cut diagnosis time

... (TB) and expose the deadly drug-resistant strains that can mingle undetected with treatable TB ... showed that the extensively drug-resistant TB strains can kill within 16 days, on average," says Graham ... methods for detecting TB and drug-resistant strains in the local clinic. This test provides a quick ...

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

... to a common influenza virus and two ressortant strains of the 1918 H1N1 virus, each containing HA and ... strain's potent virulence. The effects of these strains on host tissues and gene expression was compared ... occur when different influenza subtypes or strains simultaneously infect the same host. A shuffling ...

Nanoemulsion potent against superbugs that kill cystic fibrosis patients

... tested a nanoemulsion against 150 bacterial strains that attack cystic fibrosis patients. The ... tested the nanoemulsion against several bacterial strains grown in biofilms and sputum, to more closely ... were required to kill the bacteria, but we saw no strains that were resistant," LiPuma says. Whether humans ...

Comparative genomics reveals molecular evolution of Q fever pathogen

... Tech have uncovered genetic clues about why some strains of the pathogen Coxiella burnetii are more ... compared the sequences of four different strains of C. burnetii , an intracellular bacterium that ... genomes. The scientists examined C. burnetii strains of differing virulence to unveil clues on the ...

Blue light destroys antibiotic-resistant staph infection

... New Rochelle, NY, January 29, 2009Two common strains of methicillin-resistant Staphylococcus aureus , ... At present, fewer than 5% of staphylococcal strains are susceptible to penicillin, while ... using 405-nm light destroys MRSA strains grown in culture. In the current study, "Blue ...

Eating less may not extend life

... and caloric intake of two genetically engineered strains of mice. The "fat" strain, known as C57BL/6, ... does not extend (the) life span of all strains of mice." By measuring the animals' metabolic ... of caloric restriction in wild types of mouse strains have shown minimal life span extension, he added. ...

Study: Excessive use of antiviral drugs could aid deadly flu

... almost 700 genome sequences of avian influenza strains to document where and when the virus developed ... drugs called adamantanes and how far resistant strains spread. The analysis suggests that widespread ... of drug resistance in viruses, and that resistant strains can emerge and spread rapidly. The results ...

UT Public Health researchers find link to severe Staph infections

... the virulence of PVL in CA MRSA by using clinical strains of USA300 that did and did not contain the ... It has all of the weapons and toxins that other strains don't have, which makes it easier for this strain ... who had Staph infections caused by PVL-positive strains had a dominant response to the LukS and LukF ...

Sulfurous ping-pong in the urinary tract

... upon an unusual gene combination present in strains of E. coli which cause urinary tract ... Point of vantage against the bad" E. coli strains A new structure, a new mechanism this opens ... since ASST is present exclusively in E. coli strains causing urinary tract infections, a selective ...

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

... the ability of therapeutics targeting epidemic strains to cure bat SARS-CoV infection. SARS (severe ... delicacies for humans in China. "Although the strains associated with the 2002-2003 epidemic no longer circulate in humans, the animal precursor strains are common and will likely re-emerge in the ...

Making the ultimate family sacrifice

... examined how much mixing occurred between 16 strains of D. discoideum . The genetic similarities between strains varied, and the tests revealed that the more genetically akin two strains were, the more they mixed and worked together ...

Genetic evidence for avian influenza movement from Asia to North America via wild birds

... closely related to Asian than to North American strains of avian influenza. It was a highly ... regions far removed from sources of Asian strains of avian influenza. Scientists with the USGS, ... of genetic analysis - using the low pathogenic strains of avian influenza virus commonly found in wild ...

Bird flu vaccine protects people and pets

... protects birds and mammals against different flu strains and can even be given to birds while they are ... protect birds and mice against highly pathogenic strains of influenza. They modified the virus to make it ... mice against two different, highly pathogenic strains of influenza. We chose genes from H9N2 influenza ...

TB bacterium uses its sugar coat to sweeten its chances of living in lungs

... COLUMBUS, Ohio Common strains of tuberculosis-causing bacteria have hijacked ... on the most recent discovery in his lab two strains of TB bacteria that do not show these signs of adaptation. The existence of these other strains suggests that ...

GIANT-Coli: A novel method to quicken discovery of gene function

... research using the bacterium. Harmless E. coli strains are normally found in the intestines of many animals, including humans, but some strains can cause diseases. Siegele and her co-workers ... large-scale generation of these double-mutant strains (high-throughput generation). And this is the ...

Tips from the Journals of the American Society for Microbiology

... New Vaccine May Protect Against All Four strains of Dengue Virus Researchers from Maryland and ... vaccine that protects monkeys against all four strains of dengue virus and may potentially offer ... Virology . There are four distinct but similar strains of dengue virus causing more than 100 million ...

Viral recombination another way HIV fools the immune system

... with a second strain of the virus, the two viral strains can exchange genetic information, creating a ... (PARC/MGH) shows that how and where viral strains swap DNA may be determined by the immune response ... implications for the development of more complex strains of HIV." Part of the immune system's response ...

Can you be born a couch potato?

... interest in the issue drew him to work with strains of mice that had markedly different behaviors ... strain scored notably higher than other strains in speed, duration and distance achieved in ... tissue because early genetic studies of the strains indicated that variation was present in genes ...

UC San Diego researchers identify potential new drug candidates to combat 'bird flu'

... that new drugs are desperately needed since some strains of the virus already have developed resistance to ... anti-flu remedies. "If those resistant strains begin to propagate, then that's when we're going ... could still be rendered ineffective if any new strains arise over that time. Should the virus gain the ...

Brucella abortus S19 genome sequenced; points toward virulence genes

... an infectious disease caused by other strains of B. abortus that leads to reproductive ... it may hold the secret as to why other Brucella strains cause disease and trigger the abortion of ... to previously sequenced genomes of two virulent strains of B. abortus . The paper "Genome sequence of ...

Monarch butterflies help explain why parasites harm hosts

... virulence in the wild. They isolated parasite strains from monarch butterflies in eastern and western ... exposed western and eastern monarchs to parasite strains from their own and the opposite population. ... could cause natural selection to favor strains with lower virulence. The teams findings suggest ...

Researchers uncover details about how dietary restriction slows down aging

... the UW researchers studied many different strains of yeast cells that had lower protein production. ... we noticed right away was that the long-lived strains always had mutations in the large ribosomal ... precisely what we found in the longer-lived yeast strains with mutations in the large subunit of the ...

Sudden Oak Death pathogen is evolving, says new study that reconstructs the epidemic

... the samples, the researchers identified 35 unique strains of the pathogen. A computer analysis further revealed how those strains were related to each other. The study found that all strains were originally derived from three ...

Arbor Vita rapid H5N1 flu diagnostic presented at ICEID meeting

... protein with high affinity to NS1 protein of H5 strains was chosen for assay development. The format of ... The sensitivity of the assay towards avian strains is robust and the format of the test favors easy ... to evaluate this assay against other grown strains (H7, H9 etc.) as well as in actual outbreak ...

Less can be more, for plant breeders too

... observation; however, there are many different strains grown in different parts of the world, well ... you now transfer the inactivated gene to other strains of rice? Conventionally, you would have to go ... other genes that are responsible for the target strains being so well adapted to their local environment. ...

Insecticide combo delivers knockout punch

... "This protein, which we developed from certain strains of corn from Antigua, breaks down other proteins ... it is now." The Penn State researcher suggests strains of corn that naturally produce Mir1-Cp could be cross-bred with other strains of corn that produce Bt to develop new varieties ...

MIT finds key to avian flu in humans

... scientists monitor the evolution of avian flu strains and aid in the development of vaccines against a ... strains, and not all of them can infect humans. strains known as H1 or H3 have jumped from birds to ... cells of the human upper respiratory tract. H5 strains are usually confined to birds, but when they do ...

Multiple species of bacteria may cause trachoma: Implications for treatment

... actively infected. The possibility that multiple strains of the Chlamydiceae family of bacteria are ... trachomatis) causes trachoma. The bacteria, some strains of which are associated with sexually transmitted ... pneumoniae (C. pneumoniae); infection with these strains was just as strongly linked with severe ...

New drug targets may fight tuberculosis and other bacterial infections in novel way

... the emergence of dangerous, multi-drug resistant strains of tuberculosis and other killer infections means ... million people each year. Multi-drug resistant strains of M. tuberculosis -- as well as even more dangerous, extensive-drug-resistant (XDR) strains of the bug -- are emerging each year. ...

Scripps scientists develop new tests that identify lethal prion strains quickly and accurately

... to quickly distinguish between several prion strains in various cells lines. Using the new assays, the ... widely different responses to four different strains of the infectious protein particles. The ... a single type of prion, several different prion strains can be propagated indefinitely in a single host. ...

Best treatment identified to reduce deadly Staph infections

... compounds for their effectiveness in killing four strains of MRSA bacteria that are most commonly found in ... rapidly, and worked well against all four of the strains we tested, Bearden said. All of the products ... experts, the growing prevalence of virulent MRSA strains in a public setting has somewhat changed the ...

Influenza vaccine causes weaker immune response for children of rural Gabon than in semi-urban areas

... have found that vaccination against influenza strains seem to be more effective in a semi-urban ... and cellular responses to influenza A and B strains in 33 children from a semi-urban school in ... sera before vaccination indicating that influenza strains have already been circulating in Gabon. With ...
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(Date:7/9/2014)... one of the amphibians with the highest distribution in ... of water where it comes into contact with the ... carried out by the Spaniard Germn Orizaola from the ... these frogs have developed a defensive response to the ... bodies if they co-exist with the crayfish. , Numerous ...
(Date:7/9/2014)... function and increase the survival rate of naturally ... School of Pharmaceutical Sciences, Southwest University, China performed ... administered with low dose of levothyroxine for 3 ... exhibited an obvious improvement in cognitive and an ... The underlying mechanism was demonstrated that levothyroxine treatment ...
(Date:7/9/2014)... vitamin D in their blood are more likely to survive ... highest levels of vitamin D have half the risk of ... reveal. , The study is the first to correlate total ... their diagnosis which includes that produced after exposure to ... long term survival prospects. , The University of Edinburgh ...
Breaking Biology News(10 mins):Frogs have developed rapid defences against the red swamp crayfish 2Frogs have developed rapid defences against the red swamp crayfish 3
(Date:7/9/2014)... YORK (July 8, 2014) Researchers from Montefiore ... of Medicine of Yeshiva University will present new ... held July 12 July 17 in Copenhagen, Denmark. ... that could prompt transition from cognitive normality to mild ... the Einstein Aging Study , established in 1980 ...
(Date:7/9/2014)... for more than watching World Cup highlights, Brian Williams ... landing in unfortunate positions on railings. A University of ... Online Journal shows that YouTube also allows researchers, ... public on topics of skin cancer and prevention. , ... the future of how we communicate around the world," ...
(Date:7/9/2014)... Diseases (NIAID), part of the National Institutes of ... CRS3123, an investigational oral antibiotic intended to treat ... infection. CRS3123 (previously known as REP3123) is a ... sparing normal intestinal bacteria. , The Phase I ... and women ages 18 to 45 in a ...
(Date:7/9/2014)... 2014) A retrospective study conducted by researchers at ... that among adults with intellectual and developmental disabilities, the ... years receiving dental care increased. The findings, published in ... , may help improve interventions designed to address the ... The researchers reviewed the dental records of 107 patients ...
(Date:7/9/2014)... with kidney and heart disease have raised concerns about ... However, in the first study to look closely at ... at the University of Pennsylvania report that older kidney ... and cardiovascular health as very healthy older people who ... ever increasing organ transplant waitlists, the authors of the ...
Breaking Medicine News(10 mins):Health News:Investigators from Montefiore and Einstein to present data at 2014 Alzheimer's Association International Conference 2Health News:Investigators from Montefiore and Einstein to present data at 2014 Alzheimer's Association International Conference 3Health News:Study of dermatology on YouTube shows new ways science reaches public 2Health News:NIH launches Phase I clinical trial of novel drug to treat Clostridium difficile infection 2Health News:Adults with special needs see gains, challenges with long term oral care 2Health News:Adults with special needs see gains, challenges with long term oral care 3Health News:Penn study finds living kidney donation does not increase risk of death or heart disease for older 2
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