West Nile virus antibodies sought in birds in England
Scientists at the Centre for Ecology and Hydrology at Oxford are investigating live birds to see whether or not West Nile virus is present and being actively transmitted between resident and migratory birds. No infectious virus has as yet been detected. The birds sampled were healthy, implying that if present the virus is not virulent and may... view more... (2002-10-31)
... whether or not West Nile virus is present and being actively transmitted between resident and migratory ... and migratory birds. No infectious virus has as yet been detected. The birds sampled were ... implying that if present the virus is not virulent and may have been introduced into the ... is no evidence that the virus has been transmitted from mosquitoes to ...
Genome circularization and RNA virus replication
As featured on the cover of the August 15th issue of G&D, an Argentinian research team, led by Dr. Andrea Gamarnik, report on their recent discovery of a novel mechanism of dengue virus replication. view more (2006-08-01)
... a novel mechanism of dengue virus replication. Approximately 50 million people are infected with dengue virus each year, resulting in about 24,000 deaths world-wide. Dengue virus is a mosquito-borne member of the flavivirus family, whose other members cause encephalitis, hemorrhagic fevers, and hepatitis. ... hemorrhagic fevers, and hepatitis. Dengue virus is a plus strand RNA virus that replicates its genome by ...
Rotavirus can spread beyond the intestine
A new study in PLoS Medicine has shown that children who have rotavirus, a very common cause of diarrhea in children, and who have antigens (protein fragments from the surface of the virus) in their blood, also have infectious virus in their blood. view more (2007-04-17)
... shown that children who have rotavirus, a very common cause of diarrhea in children, and who ... from the surface of the virus) in their blood, also have infectious virus in their blood. Margaret Conner and colleagues from Baylor College ... nonchronic conditions and healthy adults.
Rotavirus antigen was detected in the blood of 51 of 57 ... of 57 of children with ...
Scientists isolate world's oldest recorded plant virus
A Japanese poem written by Empress Koken, in the summer of 752AD, is thought to be the world's first record of a plant virus. Scientists from the John Innes Centre in Norwich (JIC)(1) have today reported, for the first time, the isolation and characterisation of the plant virus (eupatorium yellow vein virus - EpYVV(2) that causes the spectacular... view more... (2003-04-25)
... first record of a plant virus. Scientists from the John Innes Centre in Norwich (JIC)(1) have ... and characterisation of the plant virus (eupatorium yellow vein virus - EpYVV(2) that causes the spectacular and beautiful symptoms first ... beautiful effects caused by the virus, but the virus itself has proved to be of scientific interest because it ... it includes both the main ...
West Nile Virus infections detected in Britain
A paper in the Journal of General Virology reveals that evidence of West Nile virus infections has been found in birds in Britain, according to a team of scientists led by the Centre for Ecology and Hydrology (CEH) at Oxford. There are no known cases of human infection and no disease reported in birds. Dr Ernie Gould and colleagues believe that... view more... (2003-07-18)
... that evidence of West Nile virus infections has been found in birds in Britain, according to ... colleagues believe that West Nile virus is present and being effectively transmitted between resident and migratory ... time active transmission of the virus has been reported in the UK. The virus is carried by mosquitoes, which transfer the virus when they feed on the ...
Molecular Anatomy of Influenza Virus Detailed
Scientists at the National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), part of the National Institutes of Health in Bethesda, Md., and colleagues at the University of Virginia in Charlottesville have succeeded in imaging, in unprecedented detail, the virus that causes influenza. view more (2007-01-02)
... imaging, in unprecedented detail, the virus that causes influenza.
A team of researchers led by NIAMS' Alasdair ... H3N2 strain of influenza A virus, has been able to distinguish five different kinds of influenza ... five different kinds of influenza virus particles in the same isolate (sample) and map the distribution ... into how antibodies inactivate the virus, and how viruses recognize susceptible cells ...
Scientists discover new species of Ebola virus
Scientists report the discovery of a new species of Ebola virus, provisionally named Bundibugyo ebolavirus, November 21 in the open-access journal PLoS Pathogens. view more (2008-11-21)
... a new species of Ebola virus, provisionally named Bundibugyo ebolavirus, November 21 in the open-access journal PLoS Pathogens. The virus, which was responsible for a hemorrhagic fever outbreak in western ... in Atlanta, Georgia the Uganda Virus Research Institute; the Uganda Ministry of Health; and Columbia University.
Ebola ... of Health; and Columbia University.
Ebola virus infection in humans causes severe disease for which ...
FURTHER STEPS TOWARDS A VACCINE AGAINST HIV
For white blood cells in the human body to be infected by the HIV virus, proteins in the virus must be allowed to interact with a number of different components on the surface of the white blood cell. Ideally anti-HIV preventive therapy or vaccines would prevent several of these interactions taking place and would, therefore, reduce the likelihood... view more... (1999-03-11)
... be infected by the HIV virus, proteins in the virus must be allowed to interact with a number of different ... therefore, reduce the likelihood of virus infection of cells. A complex, 3-dimensional protein molecule imitating the ... receptors favoured by the HIV virus and to block binding of a small chemical molecule - ... which further hinders access of virus to the ...
New host species for avian influenza identified
In a new study published online in the open-access journal PLoS Pathogens, Dr. Vincent J. Munster, of Erasmus Medical Center, Rotterdam, and colleagues identify new host species for avian influenza A virus (H5N1) and provide important information on the distinctions between the ecology and epidemiology of various global strains of the virus. view more (2007-05-11)
... species for avian influenza A virus (H5N1) and provide important information on the distinctions between the ... various global strains of the virus.
An eight-year surveillance study, which included more than 36,000 wild ... all but two known influenza virus subtypes.
The ecological and epidemiological data provided on influenza A ... data provided on influenza A virus should assist both in assessing the ...
Bee disease a mystery
Scientists are one step closer to understanding the recent demise of billions of honey bees after making an important discovery about the transmission of a common bee virus. view more (2008-06-30)
... transmission of a common bee virus. Deformed wing virus (DWV) is passed between adult bees and to their developing ... General Virology suggests that the virus does not replicate in Varroa, highlighting the need for further ... need for further investigation.
Deformed wing virus has been linked to the collapse of honey bee colonies ... years the prevalence of the virus has increased globally ...
Protein identified that turns off HIV-fighting T cells
In HIV-infected patients the body's immune system is unable to fight off the virus. A new study to be published online on November 10th in the Journal of Experimental Medicine shows that T cells in HIV-infected individuals express a protein called TIM-3, which inactivates their virus killing capacity. view more (2008-11-10)
... unable to fight off the virus. A new study to be published online on November 10th ... called TIM-3, which inactivates their virus killing capacity. Blocking this protein, the study suggests, might one ... other chronic infections.
Large numbers of virus-fighting T cells can be found in the blood of most ... T cells to bits of virus causes the cells to replicate and ...
Comment from Professor Nick Lemoine, Director of Imperial Cancer Research Fund's Molecular Oncology Unit at the Hammersmith Hospital, in response to US research* that has linked breast cancer to a virus:
Comment from Professor Nick Lemoine, Director of Imperial Cancer Research Fund's Molecular Oncology Unit at the Hammersmith Hospital, in response to US research* that has linked breast cancer to a virus: view more (1999-08-11)
... linked breast cancer to a virus: Professor Lemoine said: "It is a fascinating observation and it ... a vaccine to prevent the virus triggering breast cancer would depend on the virus expressing its products exclusively in breast cancer cells." Dr Alan ... Alan Storey, expert in cancer-causing viruses at Imperial Cancer Research Fund, added: "This is potentially a ... Establishing the role of ...
Malaria and Epstein-Barr virus linked to pediatric cancer in Africa
Endemic Burkitt lymphoma is a form of cancer that accounts for up to 74% of malignant disorders in children in equatorial Africa. Malaria and Epstein-Barr virus (EBV) are known cofactors in its development, but to date, their relative contribution has not been well understood. view more (2007-06-08)
... equatorial Africa. Malaria and Epstein-Barr virus (EBV) are known cofactors in its development, but to date, ... falciparum antigens directly induce Epstein-Barr virus (EBV) reactivation, increasing the risk of Burkitt lymphoma.
EBV is ... lymphoma.
EBV is a ubiquitous virus that establishes a lifelong persistence following primary infection. How EBV ... precise mechanisms through which this virus reactivation occurs had been previously unknown. ...
Safe vaccine to combat herpes infections
The unpleasant and painful sores, and infection of newborn babies caused by the genital herpes virus could soon be a thing of the past according to Dr Julian Hickling, who is presenting results from Xenova Research Ltd today, Tuesday 8 April 2003, to the Society for General Microbiology's Spring Meeting in Edinburgh. "The challenge is trying... view more... (2003-04-02)
... caused by the genital herpes virus could soon be a thing of the past according to ... pharmaceutical company Xenova. "Genital herpes viruses establish a life long infection in the patient, and may ... but weakened forms of the virus. However the safest vaccines are based on killed organisms or ... a new strain of the virus to take advantage of both these ...
Nanoparticle 'Smart Bomb' Targets Drug Delivery to Cancer Cells
Researchers at North Carolina State University have successfully modified a common plant virus to deliver drugs only to specific cells inside the human body, without affecting surrounding tissue. view more (2009-02-13)
... successfully modified a common plant virus to deliver drugs only to specific cells inside the human ... fairly common and non-toxic plant virus as a means to convey drugs to the target cells.
The ... cells.
The researchers say that the virus is appealing in both its ability to survive outside of ... cells. The researchers deploy the virus by attaching small proteins, called signal ... |
