Sentences with phrase «virus infectivity»

Human APOBEC3 proteins can inhibit xenotropic murine leukemia virus - related virus infectivity

Investigators also have a variety of specialized resources for testing virus infectivity in various bugs and animals, sequencing viral genes and imaging pathogen structures.

Not exact matches

Component peptide ferries virus into mucosal cells, ratcheting up infectivity as much as 100,000 times

ON 14 December 1967, Arthur Kornberg at Stanford University and colleagues announced that they had copied the DNA of the Phi X174 virus, producing an entity with the same infectivity as the wild virus.

But because the prion hypothesis violates long - standing dogma that a DNA - or RNA - based genome is needed for infectivity, doubters insist that it is not yet proven: A virus or some other as - yet - unidentified microbe, they say, may team up with the prion protein to devastate the nervous system.

Two studies published by Cell Press June 6th in the journal Cell identify mutations that increase the infectivity of H5N1 and H7N9 viruses through improved binding to receptors in the human respiratory tract.

«It all suggests that there may be a cluster of Hendra virus strains, all closely related, but differing in their pathogenesis and infectivity,» he says.

Exosomes are thus something like viruses, without the infectivity.

Because we lack serology data on people in regions of Ebola outbreaks, it is not known whether there are infected individuals who remain asymptomatic; therefore, the degree of infectivity of the virus is unknown.

«Our study shows for the first time exactly how immune cells sense the virus and how the virus uses one of its proteins to tune its stealthiness and infectivity,» says senior study author Nicolas Manel of the Institut Curie.

Identification and characterization of PWWP domain residues critical for LEDGF / p75 chromatin binding and human immunodeficiency virus type 1 infectivity.

In the case of Influenza A, the loss of RNA exosome activity severely compromises viral infectivity, but also manifests in human neurodegeneration suggesting that viruses target essential proteins implicated in rare disease in order to ensure continual adaptation.

To determine whether the isolated virus had a lipid envelope, the allantoic fluid virus (fifth passage) was treated with 5 % (v / v) chloroform and the infectivity was assayed by duck embryo inoculation as descried previously [28].

Indoors, the virus loses its infectivity within one month; therefore, it should be safe to introduce a new puppy indoors one month after the active infection has ended.