Image and Video Gallery

This is a searchable collection of scientific photos, illustrations, and videos. The images and videos in this gallery are licensed under Creative Commons Attribution Non-Commercial ShareAlike 3.0. This license lets you remix, tweak, and build upon this work non-commercially, as long as you credit and license your new creations under identical terms.

Microtubule growth

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Map of microtubule growth rates. Rates are color coded. This is an example of NIH-supported research on single-cell analysis. Gaudenz Danuser, Harvard Medical School View Media

Haplotypes (with labels)

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Haplotypes are combinations of gene variants that are likely to be inherited together within the same chromosomal region. Crabtree + Company View Media

Zika virus

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Zika virus is shown in cross section at center left. On the outside, it includes envelope protein (red) and membrane protein (magenta) embedded in a lipid membrane (light purple). Amy Wu and Christine Zardecki, RCSB Protein Data Bank. View Media

Full-length serotonin receptor (ion channel)

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A 3D reconstruction, created using cryo-electron microscopy, of an ion channel known as the full-length serotonin receptor in complex with the antinausea drug granisetron (orange). Sudha Chakrapani, Case Western Reserve University School of Medicine. View Media

Cluster analysis of mysterious protein

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Researchers use cluster analysis to study protein shape and function. Each green circle represents one potential shape of the protein mitoNEET. Patricia Jennings and Elizabeth Baxter, University of California, San Diego View Media

Draper, shown in the fatbody of a Drosophila melanogaster larva

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The fly fatbody is a nutrient storage and mobilization organ akin to the mammalian liver. The engulfment receptor Draper (green) is located at the cell surface of fatbody cells. Christina McPhee and Eric Baehrecke, University of Massachusetts Medical School View Media

Cysteine dioxygenase from mouse

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Model of the mammalian iron enzyme cysteine dioxygenase from a mouse. Center for Eukaryotic Structural Genomics, PSI View Media

Bone cancer cell

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This image shows an osteosarcoma cell with DNA in blue, energy factories (mitochondria) in yellow, and actin filaments—part of the cellular skeleton—in purple. Dylan Burnette and Jennifer Lippincott-Schwartz, NICHD View Media

Dividing cells showing chromosomes and cell skeleton

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This pig cell is in the process of dividing. The chromosomes (purple) have already replicated and the duplicates are being pulled apart by fibers of the cell skeleton known as microtubules (green). Nasser Rusan, National Heart, Lung, and Blood Institute, National Institutes of Health View Media

Influenza virus attaches to host membrane (with labels)

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Influenza A infects a host cell when hemagglutinin grips onto glycans on its surface. Crabtree + Company View Media

Leading cells with light

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A blue laser beam turns on a protein that helps this human cancer cell move. Responding to the stimulus, the protein, called Rac1, first creates ruffles at the edge of the cell. Yi Wu, University of North Carolina View Media

Dividing cell

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As this cell was undergoing cell division, it was imaged with two microscopy techniques: differential interference contrast (DIC) and confocal. The DIC view appears in blue and shows the entire cell. Dylan T. Burnette, Vanderbilt University School of Medicine. View Media

Folding@Home

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Stanford University scientist Vijay Pande decided to couple the power of computers with the help of the public. Judith Stoffer View Media

Misfolded proteins in mitochondria, 3-D video

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Three-dimensional image of misfolded proteins (green) within mitochondria (red). Related to image 5878. Rong Li, Department of Chemical and Biomolecular Engineering, Whiting School of Engineering, Johns Hopkins University View Media

Chromatin in human fibroblast

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The nucleus of a human fibroblast cell with chromatin—a substance made up of DNA and proteins—shown in various colors. Melike Lakadamyali, Perelman School of Medicine at the University of Pennsylvania. View Media

Microsporidia in roundworm 1

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Many disease-causing microbes manipulate their host’s metabolism and cells for their own ends. Keir Balla and Emily Troemel, University of California San Diego View Media

Influenza virus attaches to host membrane

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Influenza A infects a host cell when hemagglutinin grips onto glycans on its surface. Crabtree + Company View Media

Human aspartoacylase

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Model of aspartoacylase, a human enzyme involved in brain metabolism. Center for Eukaryotic Structural Genomics, PSI View Media

Suicidal Stem Cells

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Embryonic stem cells store pre-activated Bax (red) in the Golgi, near the nucleus (blue). Featured in the June 21, 2012, issue of Biomedical Beat. Mohanish Deshmukh View Media

Kinases

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Kinases are enzymes that add phosphate groups (red-yellow structures) to proteins (green), assigning the proteins a code. Crabtree + Company View Media

Simulation of controlled avian flu outbreak

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This video shows a controlled outbreak of transmissible avian flu among people living in Thailand. Neil M. Ferguson, Imperial College London View Media

Proteasome

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This fruit fly spermatid recycles various molecules, including malformed or damaged proteins. Sigi Benjamin-Hong, Rockefeller University View Media

Host infection stimulates antibiotic resistance

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This illustration shows pathogenic bacteria behave like a Trojan horse: switching from antibiotic susceptibility to resistance during infection. View Media

Dicer generates microRNAs

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The enzyme Dicer generates microRNAs by chopping larger RNA molecules into tiny Velcro^®-like pieces. MicroRNAs stick to mRNA molecules and prevent the mRNAs from being made into proteins. Crabtree + Company View Media

Life in balance

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Mitosis creates cells, and apoptosis kills them. The processes often work together to keep us healthy. Judith Stoffer View Media

Lily mitosis 05

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A light microscope image of a cell from the endosperm of an African globe lily (Scadoxus katherinae). This is one frame of a time-lapse sequence that shows cell division in action. Andrew S. Bajer, University of Oregon, Eugene View Media

Cell proliferation in a quail embryo

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Image showing that the edge zone (top of image) of the quail embryo shows no proliferating cells (cyan), unlike the interior zone (bottom of image). Non-proliferating cell nuclei are labeled green. Andrés Garcia, Georgia Tech View Media

Bacteriophage P22 capsid

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Cryo-electron microscopy (cryo-EM) has the power to capture details of proteins and other small biological structures at the molecular level. This image shows proteins in the capsid, or outer co Dr. Wah Chiu, Baylor College of Medicine View Media

Protein clumping in zinc-deficient yeast cells

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The green spots in this image are clumps of protein inside yeast cells that are deficient in both zinc and a protein called Tsa1 that prevents clumping. Colin MacDiarmid and David Eide, University of Wisconsin--Madison View Media

Mitochondria from rat heart muscle cell_2

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These mitochondria (brown) are from the heart muscle cell of a rat. Mitochondria have an inner membrane that folds in many places (and that appears here as striations). National Center for Microscopy and Imaging Research View Media

Lily mitosis 03

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800 MHz NMR magnet

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Scientists use nuclear magnetic spectroscopy (NMR) to determine the detailed, 3D structures of molecules. Asokan Anbanandam, University of Kansas View Media

Zebrafish embryo

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Just 22 hours after fertilization, this zebrafish embryo is already taking shape. By 36 hours, all of the major organs will have started to form. Philipp Keller, Bill Lemon, Yinan Wan, and Kristin Branson, Janelia Farm Research Campus, Howard Hughes Medical Institute, Ashburn, Va. View Media

Kinesin moves cellular cargo

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A protein called kinesin (blue) is in charge of moving cargo around inside cells and helping them divide. Charles Sindelar, Yale University View Media

Mouse Retina

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A genetic disorder of the nervous system, neurofibromatosis causes tumors to form on nerves throughout the body, including a type of tumor called an optic nerve glioma that can result in childhood bli Tom Deerinck, NCMIR View Media

Epithelial cells

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This image mostly shows normal cultured epithelial cells expressing green fluorescent protein targeted to the Golgi apparatus (yellow-green) and stained for actin (magenta) and DNA (cyan). Tom Deerinck, National Center for Microscopy and Imaging Research (NCMIR) View Media

Relapsing fever bacterium (gray) and red blood cells

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Relapsing fever is caused by a bacterium and transmitted by certain soft-bodied ticks or body lice. The disease is seldom fatal in humans, but it can be very serious and prolonged. NIAID View Media

Repairing DNA

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Like a watch wrapped around a wrist, a special enzyme encircles the double helix to repair a broken strand of DNA. Tom Ellenberger, Washington University School of Medicine View Media

Hair cells: the sound-sensing cells in the ear

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These cells get their name from the hairlike structures that extend from them into the fluid-filled tube of the inner ear. Henning Horn, Brian Burke, and Colin Stewart, Institute of Medical Biology, Agency for Science, Technology, and Research, Singapore View Media

iPS cell facility at the Coriell Institute for Medical Research

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This lab space was designed for work on the induced pluripotent stem (iPS) cell collection, part of the NIGMS Human Genetic Cell Repository at the Coriell Institute for Medical Research. Courtney Sill, Coriell Institute for Medical Research View Media

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