virus

Sculpting bacteria into extreme shapes reveals the rugged nature of cell division Stars, triangles and pentagons demonstrate the adaptability and robustness of bacterial cell division machinery Date: October 18, 2018 Source: Okinawa Institute of Science and Technology (OIST) Graduate University Summary: Stars, triangles and pentagons demonstrate the adaptability and robustness of bacterial cell division machinery. Share:          

An analysis of randomized controlled clinical trials indicates that supervised aerobic exercise has large antidepressant treatment effects for patients with major depression. The systematic review and meta-analysis is published in  Depression and Anxiety .

Date: October 11, 2018 Source: PLOS Summary: An antimicrobial signaling molecule called interferon lambda 4 has lower activity against the hepatitis C virus in the vast majority of humans compared with chimpanzees and African hunter-gatherer Pygmies, according to a new study.

This article is about the type of pathogen. For the type of malware, see  Computer virus . For other uses, see  Virus (disambiguation) . For a more accessible and less technical introduction to this topic, see  Introduction to viruses . Viruses Rotavirus Virus classification Group: I–VII Groups I:  dsDNA viruses II:  ssDNA viruses III:  dsRNA viruses IV:  (+)ssRNA viruses V:  (−)ssRNA viruses VI:  ssRNA-RT viruses VII:  dsDNA-RT viruses A  virus  is a small  infectious agent  that  replicates  only inside the living  cells  of other  organisms . Viruses can infect all types of  life forms , from animals and plants to  microorganisms , including  bacteria  and  archaea . [1] Since  Dmitri Ivanovsky 's 1892 article describing a non-bacterial  pathogen  infecting tobacco plants, and the discovery of the  tobacco mosaic virus  by  Martinus Beijerinck  in 1898, [2] about 5,000  virus species  have been described in detail, [3]  although there are millions of typ