News tagged with host cell

Host (biology)

In biology, a host is an organism that harbors a virus or parasite, or a mutual or commensal symbiont, typically providing nourishment and shelter. In botany, a host plant is one that supplies food resources and substrate for certain insects or other fauna. Examples of such interactions include a cell being host to a virus, a legume plant hosting helpful nitrogen-fixing bacteria, and animals as hosts to parasitic worms, e.g. nematodes.

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Mutant version of H5N1 flu virus found to be more preferential to human infection

(Medical Xpress)—An international team of bio-researchers has found that a mutant strain of the H5N1 influenza virus (created in a lab) has a 200-fold preference for binding with receptors in human cells, ...

Diseases, Conditions, Syndromes Apr 25, 2013 | 5 / 5 (2) | 0 |

Recent studies warn surveillance of bird flu strains is needed

(Medical Xpress)—Recent scientific papers from China suggest a vigilant watch should be kept on the development of bird flu viruses, as a new strain has been identified and previously known viruses have ...

Diseases, Conditions, Syndromes May 03, 2013 | 3 / 5 (2) | 1 |

Cell response to new coronavirus unveils possible paths to treatments

NIH-supported scientists used lab-grown human lung cells to study the cells' response to infection by a novel human coronavirus (called nCoV) and compiled information about which genes are significantly disrupted ...

Diseases, Conditions, Syndromes Apr 30, 2013 | 5 / 5 (1) | 0

What is the role of double-stranded RNA in antiviral host defense systems?

Animals, insects, and plants use a variety of sensing mechanisms to detect invading pathogens such as viruses. One complex and effective antiviral defense system they share is based on recognition of double-stranded ...

Medical research May 14, 2013 | 4 / 5 (1) | 0

What role do processing bodies play in cell survival and protection against viral infection?

As scientists learn more about processing bodies (PBs), granules present within normal cells, they are unraveling the complex role PBs play in maintaining cellular homeostasis by regulating RNA metabolism ...

Medical research May 16, 2013 | 4 / 5 (1) | 0