Mimivirus - Discovery

Discovery

APMV was discovered serendipitously in 1992 within the amoeba Acanthamoeba polyphaga, after which it is named, during research into Legionellosis. The virus was observed in a gram stain and mistakenly thought to be a gram-positive bacterium. As a consequence it was named Bradfordcoccus, after the district the amoeba was sourced from in Bradford, England. In 2003, researchers at the Université de la Méditerranée in Marseille, France published a paper in Science identifying the micro-organism as a virus.

Mimivirus may be a causative agent of some forms of pneumonia; this is based mainly on indirect evidence in the form of antibodies to the virus discovered in pneumonia patients. However, the classification of mimivirus as a pathogen is tenuous at present as there have been only a couple of papers published potentially linking mimivirus to actual cases of pneumonia. Indeed, a significant fraction of pneumonia cases are due to unknown etiology.

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