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IMAGE: Scientists investigate the evolution of Mimivirus, one of the world s largest viruses, through how they replicate DNA.
Researchers from the Indian Institute of Technology Bombay shed light on the origins. view more
Credit: Indian Institute of Technology Bombay
2003 was a big year for virologists. The first giant virus was discovered in this year, which shook the virology scene, revising what was thought to be an established understanding of this elusive group and expanding the virus world from simple, small agents to forms that are as complex as some bacteria. Because of their link to disease and the difficulties in defining them they are biological entities but do not fit comfortably in the existing tree of life viruses incite the curiosity of many people.