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Latest RNA virus Stories

2014-04-18 11:26:27

Two recent papers by a University of Colorado School of Medicine researcher and colleagues may help scientists develop treatments or vaccines for Dengue fever, West Nile virus, Yellow fever, Japanese encephalitis and other disease-causing flaviviruses. Jeffrey S. Kieft, PhD, associate professor of biochemistry and molecular genetics at the School of Medicine and an early career scientist with the Howard Hughes Medical Institute, and colleagues recently published articles in the scholarly...

2014-04-11 14:51:54

The bicolored shrew is a protected species in Central Europe, but these furry insect-eaters have a dark secret. Researchers from the Vetmeduni Vienna have discovered that bicolored shrews carry the Borna virus. Infection with this virus causes fatal encephalitis in horses. The mechanisms of transmission had until now been unclear, but we now know more about one route - from bicolored shrews to hosts. The study was published recently in the journal PLOS ONE. The Borna disease – named...

2013-01-22 14:00:59

The innate immune system detects invasive pathogens and activates defense mechanisms to eliminate them. Pathogens, however, employ a variety of tricks to block this process. A new study shows how the measles virus thwarts the system, by means of a simple hairpin-like structure. The innate immune system is the body´s first line of defense against invasive pathogens and noxious chemicals. Essentially the system consists of an array of receptors that recognize particular molecular...

Footprint Of A Fly Virus Found In Fly DNA
2012-08-01 14:49:44

The discovery of virus-like genes in the DNA of a commonly studied fruit fly could enable research on whether animals hijack viral genes as an anti-viral defense In a curious evolutionary twist, several species of a commonly studied fruit fly appear to have incorporated genetic material from a virus into their genomes, according to new research by University at Buffalo biologists. The study found that several types of fruit fly -- scientific name Drosophila -- harbored genes similar to...

2012-04-19 11:22:11

A study published in BioMed Central's Biology Direct journal reports the existence of a previously undetected group of viruses and, more importantly, a new type of viral genome that could have huge implications for theories of viral emergence and evolution. Viruses are the most abundant organisms on earth, yet little is known about their evolutionary history since they have exceptionally high rates of genetic mutation which are difficult to track. Viral metagenomics, however, is becoming...

2011-07-19 11:59:06

Rice University scientists define structure of astrovirus Rice University scientists have defined the structure -- down to the atomic level -- of a virus that causes juvenile diarrhea. The research may help direct efforts to develop medications that block the virus before it becomes infectious. The new paper by Professor Yizhi Jane Tao, postdoctoral researcher Jinhui Dong and their colleagues was published in today's online edition of the Proceedings of the National Academy of Sciences. Tao's...

2011-02-22 08:04:21

(Ivanhoe Newswire) "“ The Rubella virus is responsible for more birth defects worldwide than any other infectious disease. A new breakthrough may help slow, even stop it in its track. The RNA virus can cause many viral diseases including, AIDS, influenza and hepatitis C. Researchers at the University Of Alberta's Faculty of Medicine and Dentistry discovered that a well known protein in the Rubella virus blocked the process that triggers cell death -- allowing the virus to replicate and...

2011-02-18 12:22:52

Scientists have identified the gene that allows the Rubella virus to block cell death and reverse engineered a mutant gene that slows the virus's spread. Tom Hobman and a team of researchers at the University of Alberta's Faculty of Medicine and Dentistry believed that RNA viruses were able to spread by blocking the pathways in cells that lead to cell suicide, and isolated the responsible gene in Rubella, also known as German measles. They then created a mutant version of this gene that made...

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2011-01-11 11:28:41

By Richard Harth, Science Writer: The Biodesign Institute Under the electron microscope, a coronavirus may resemble a spiny sea urchin or appear crownlike, (the shape from which this family of pathogens takes its name). Previously recognized as the second leading cause of the common cold in humans and for economically important diseases in many domesticated animals, a new disease form abruptly emerged as a major public health concern in 2002, when the SARS coronavirus (CoV) surfaced in Asia....

2010-07-30 13:44:51

Ancient viral sequences may protect against infection Over millions of years, retroviruses, which insert their genetic material into the host genome as part of their replication, have left behind bits of their genetic material in vertebrate genomes. In a recent study, published July 29 in the open-access journal PLoS Pathogens, a team of researchers have now found that human and other vertebrate genomes also contain many ancient sequences from Ebola/Marburgviruses and Bornaviruses "“...


Latest RNA virus Reference Libraries

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2011-01-20 19:23:30

Hepatitis C virus (HCV) is an enveloped, positive-sense single-stranded RNA virus of the family Flaviviridae. It consists of a core of genetic material surrounded by an icosahedra protective shell of protein. The genome consists of a single open reading frame that is 9600 nucleotide bases long. HCV replication takes several steps. It primarily replicates in the hepatocytes of the liver. It can also reproduce in peripheral blood mononuclear cells. There is a wide variety of genotypes and...

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