Coloured SEM of the AIDS virus infecting a T-cell

Coloured SEM of the AIDS virus infecting a T-cell

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Credit: BILL LONGCORE/CDC/SCIENCE PHOTO LIBRARY

Caption: HIV infected T-cell. Coloured scanning electron micrograph of HIV viruses (white dots) budding from the cell membrane (blue) of an infected T- lymphocyte, a key cell of the human immune system. The AIDS virus known as HIV (Human Immuno- deficiency Virus) has genetic material in the form of RNA. It possesses an enzyme, reverse transcriptase, which enables it to subvert the DNA genetic material of the T-cell in order to replicate more viruses. Progeny of the HIV virus then bud away from the cell membrane of the host T-cell, which is ultimately destroyed. Destruction of the immune system renders AIDS victims liable to a number of fatal secondary infections.

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Keywords: aids virus, budding, hiv, hiv virus, infect, infected, lymphocyte, t-cell

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