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HIV particles, TEM
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HIV particles, TEM
HIV (human immunodeficiency virus) particles, coloured transmission electron micrograph (TEM). Each particle consists of an RNA (ribonucleic acid, purple/brown) genome, surrounded by a protein nucleocapsid (coat, yellow). This is enclosed in a matrix of proteins (green) and the whole virus is enclosed in an envelope (brown). The virus enters CD4+ T-lymphocytes (white blood cells) and hijacks the host cells machinery to copy itself. The cell dies when the virus clones burst from it, weakening the immune system and causing AIDS (acquired immune deficiency syndrome)
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Media ID 6313101
© AMI IMAGES/SCIENCE PHOTO LIBRARY
Cytoplasm Histopathology Host Human Immunodeficiency Virus Infected Infection Micro Organism Microbe Micrograph Microscope Particle Particles Pathological Pathology Retro Virus Sexually Transmitted Transmission Electron Transmission Electron Micrograph Virion Virions Virology Viruses Disorder False Coloured Micro Biology Microbiological Pathogen Virus
EDITORS COMMENTS
This print showcases the intricate structure of HIV particles, as captured through a transmission electron microscope (TEM). Each particle is composed of a genome made up of RNA, depicted in shades of purple and brown. Surrounding the RNA is a protein nucleocapsid coat, represented in vibrant yellow. The entire virus is enclosed within an envelope that appears in rich brown tones. The image provides valuable insights into how HIV operates within the human body. Upon entering CD4+ T-lymphocytes, which are white blood cells crucial for immune function, the virus takes control of the host cell's machinery to replicate itself. Eventually, this replication process leads to the bursting of virus clones from infected cells. As a result, the immune system weakens over time and AIDS (acquired immune deficiency syndrome) develops. By shedding light on this microscopic world filled with colored proteins and genetic material, this photograph serves as an essential tool for researchers studying virology and pathology. It highlights both the beauty and complexity inherent in understanding diseases at such a minute scale. Science Photo Library has once again provided us with an extraordinary glimpse into the fascinating realm where biology meets medicine – reminding us that there is always more to learn about our own bodies and their interactions with pathogens like HIV.
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