Illustration of the HIV retrovirus, black b / ground

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Illustration of the HIV retrovirus, black b / ground

HIV retrovirus. Schematic illustration of the structure of a retrovirus, such as the HIV-1 virus that causes AIDS. At centre are RNA strands (rainbow colours) making up the viral genetic material. The RNA is enclosed in a core protein shell (yellow). The outer envelope (blue) consists of a lipid bi-layer, with protein spikes (orange). In the HIV virus the spikes consist of a glycoprotein, gp120, and it is these that recognise CD4 markers on white blood T-cells, allowing the T-cells to become infected. The HIV virus kills T-cells after using them to reproduce its viral RNA, thus weakening the immune system of the human host

Science Photo Library features Science and Medical images including photos and illustrations

Media ID 6418453

© MEHAU KULYK/SCIENCE PHOTO LIBRARY

Aids Virus Hiv 1 Hiv Virus Retro Virus Virus

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