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Wednesday, November 19, 2008
Classification of Viruses-Introduction


To understand more about viruses, we must firstly learn about the classification systems for viruses.

Unlike most living things on Earth, viruses are acellular and need to invade hosts to replicate and survive. Therefore they do not fall under the common classification method used for other living things [mainly the system invented by Carolus Linnaeus (the father of taxonomy)-- the popular system of classifying by Kingdom, Phylum, Class, Order, Family, Genus and Species],by the various methods invented and elaborated here.

Viral classification methods include:
  1. Lwoff's Scheme: A scheme devised by Lwoff, RW Horne and P Tournier in 1962 that uses physical properties of virus for classification
  2. Baltimore's System: Developed by David Baltimore in 1971, and based on viral genome and relaionship to mRNA
  3. ICTV (International Commitee on Taxonomy of Viruses) classification: Naming based on order, family, genus and type species

Important contributions to this area:

More details on Lwoff's Scheme will be in the next post.


Blogged @ 11:09 PM


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