Sentence examples for defective virus from inspiring English sources

The delta virus itself, now called a defective virus because it cannot act alone, was discovered in 1977 by Dr. Mario Rizzetto in Turin, Italy.

In other words, the defective virus was in principle the long-sought agent that could discriminate between normal and cancerous cells, killing only the latter.

The researchers hypothesized that the delta antigen was a defective virus, one that could only replicate in the presence of hepatitis B virus.

A novel form of cancer treatment, based on a defective virus that can grow only in cancerous cells, has passed another milestone by showing promise in treating patients with recurrent head and neck cancer.

Hepatitis D virus (HDV) is a defective virus which requires hepatitis B virus (HBV) surface antigen (HBsAg) for its assembly.

Defective virus accumulations during baculovirus passages in insect cell culture are impediments to large scale baculovirus production.

A selective marker was pif2 encoded per os infection factor which predominantly deleted, along with the adjacent pif1, in defective viruses.

The newly designed PIVs have synergistically functioning mutations in the prM and NS2A proteins, which abolish processing of the latter proteins and make the defective viruses capable of producing either only noninfectious, immature and/or subviral DEN2V particles.

The defective virus-based vaccine did not produce detectable levels of transmissible FMDV.

In addition, changes at RNase H positions Q475 and Y501 produced defective viruses [24], [25].

A high frequency of defective viruses in HIV-2 infected individuals could explain the poor replication of this virus in vivo as well as its very low transmissibility.