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.
Lipid raft
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Researchers have learned much of what they know about membranes by constructing artificial membranes in the laboratory. Judith Stoffer View MediaSortase b from B. anthracis
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Structure of sortase b from the bacterium B. anthracis, which causes anthrax. Sortase b is an enzyme used to rob red blood cells of iron, which the bacteria need to survive. Midwest Center for Structural Genomics, PSI View MediaZebrafish head vasculature
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A zebrafish head with blood vessels shown in purple. Prayag Murawala, MDI Biological Laboratory and Hannover Medical School. View MediaThymidylate synthase complementing protein from Thermotoga maritime
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A model of thymidylate synthase complementing protein from Thermotoga maritime. Joint Center for Structural Genomics, PSI View Media¿Qué es la sepsis? (Sepsis Infographic)
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La sepsis o septicemia es la respuesta fulminante y extrema del cuerpo a una infección. En los Estados Unidos, más de 1.7 millones de personas contraen sepsis cada año. Instituto Nacional de Ciencias Médicas Generales View MediaVDAC-1 (4)
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The structure of the pore-forming protein VDAC-1 from humans. Gerhard Wagner, Harvard Medical School View MediaAging book of life
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Damage to each person's genome, often called the "Book of Life," accumulates with time. Judith Stoffer View MediaNociceptin/orphanin FQ peptide opioid receptor
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The receptor is shown bound to an antagonist, compound-24 Raymond Stevens, The Scripps Research Institute View MediaMovements of myosin
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Inside the fertilized egg cell of a fruit fly, we see a type of myosin (related to the protein that helps muscles contract) made to glow by attaching a fluorescent protein. Victoria Foe, University of Washington View MediaSerum albumin structure 2
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Serum albumin (SA) is the most abundant protein in the blood plasma of mammals. SA has a characteristic heart-shape structure and is a highly versatile protein. Wladek Minor, University of Virginia View MediaVDAC video 01
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This video shows the structure of the pore-forming protein VDAC-1 from humans. Gerhard Wagner, Harvard Medical School View MediaPigment cells in the fin of pearl danio
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Pigment cells are cells that give skin its color. David Parichy, University of Washington View MediaHawaiian bobtail squid
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An adult Hawaiian bobtail squid, Euprymna scolopes, swimming next to a submerged hand. Margaret J. McFall-Ngai, Carnegie Institution for Science/California Institute of Technology, and Edward G. Ruby, California Institute of Technology. View MediaDopaminergic neurons from ES cells
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Human embryonic stem cells differentiated into dopaminergic neurons, the type that degenerate in Parkinson's disease. Image courtesy of the California Institute for Regenerative Medicine. Jeannie Liu, Lab of Jan Nolta, University of California, Davis, via CIRM View MediaYeast art depicting the New York City skyline
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This skyline of New York City was created by “printing” nanodroplets containing yeast (Saccharomyces cerevisiae) onto a large plate. Each dot is a separate yeast colony. Michael Shen, Ph.D., Jasmine Temple, Leslie Mitchell, Ph.D., and Jef Boeke, Ph.D., New York University School of Medicine; and Nick Phillips, James Chuang, Ph.D., and Jiarui Wang, Johns Hopkins University. View MediaVirtual snow world
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Glide across an icy canyon, where you see smiling snowmen and waddling penguins. Toss a snowball, hear it smash against an igloo, and then watch it explode in bright colors. David Patterson and Hunter Hoffmann, University of Washington View MediaRetinal pigment epithelium derived from human ES cells 02
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This image shows a layer of retinal pigment epithelium cells derived from human embryonic stem cells, highlighting the nuclei (red) and cell surfaces (green). David Buckholz and Sherry Hikita, University of California, Santa Barbara, via CIRM View MediaFruit fly embryo
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Cells in an early-stage fruit fly embryo, showing the DIAP1 protein (pink), an inhibitor of apoptosis. Hermann Steller, Rockefeller University View MediaFloral pattern in a mixture of two bacterial species, Acinetobacter baylyi and Escherichia coli, grown on a semi-solid agar for 72 hour
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Floral pattern emerging as two bacterial species, motile Acinetobacter baylyi and non-motile Escherichia coli (green), are grown together for 72 hours on 0.5% agar surface from a small i L. Xiong et al, eLife 2020;9: e48885 View MediaMisfolded 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 MediaDividing 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 MediaTransmission electron microscopy of coronary artery wall with elastin-rich ECM pseudocolored in light brown
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Elastin is a fibrous protein in the extracellular matrix (ECM). It is abundant in artery walls like the one shown here. As its name indicates, elastin confers elasticity. Tom Deerinck, National Center for Microscopy and Imaging Research (NCMIR) View MediaPlasma membrane (with labels)
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The plasma membrane is a cell's protective barrier. See image 2523 for an unlabeled version of this illustration. Featured in The Chemistry of Health. Crabtree + Company View MediaTwo-headed Xenopus laevis tadpole
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Xenopus laevis, the African clawed frog, has long been used as a research organism for studying embryonic development. Michael Klymkowsky, University of Colorado, Boulder View MediaGenetic mosaicism in fruit flies
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Fat tissue from the abdomen of a genetically mosaic adult fruit fly. Genetic mosaicism means that the fly has cells with different genotypes even though it formed from a single zygote. Akhila Rajan, Fred Hutchinson Cancer Center View MediaBacterial cells aggregated above a light-organ pore of the Hawaiian bobtail squid
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The beating of cilia on the outside of the Hawaiian bobtail squid’s light organ concentrates Vibrio fischeri cells (green) present in the seawater into aggregates near the pore-containing tis Margaret J. McFall-Ngai, Carnegie Institution for Science/California Institute of Technology, and Edward G. Ruby, California Institute of Technology. View MediaActivation energy (with labels)
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To become products, reactants must overcome an energy hill. See image 2525 for an unlabeled version of this illustration. Crabtree + Company View MediaAnti-tumor drug ecteinascidin 743 (ET-743), structure without hydrogens 02
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Ecteinascidin 743 (ET-743, brand name Yondelis), was discovered and isolated from a sea squirt, Ecteinascidia turbinata, by NIGMS grantee Kenneth Rinehart at the University of Illinois. Timothy Jamison, Massachusetts Institute of Technology View MediaDeveloping Arabidopsis flower buds
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Flower development is a carefully orchestrated, genetically programmed process that ensures that the male (stamen) and female (pistil) organs form in the right place and at the right time in the flowe Nathanaël Prunet, Caltech View MediaRSV-Infected Cell
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Viral RNA (red) in an RSV-infected cell. Eric Alonas and Philip Santangelo, Georgia Institute of Technology and Emory University View MediaThe 26S proteasome engages with a protein substrate
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The proteasome is a critical multiprotein complex in the cell that breaks down and recycles proteins that have become damaged or are no longer needed. Andreas Martin, HHMI View MediaFat cells (red) and blood vessels (green)
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A mouse's fat cells (red) are shown surrounded by a network of blood vessels (green). Daniela Malide, National Heart, Lung, and Blood Institute, National Institutes of Health View MediaSingle-cell “radios” video
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Individual cells are color-coded based on their identity and signaling activity using a protein circuit technology developed by the Coyle Lab. Scott Coyle, University of Wisconsin-Madison. View MediaDividing yeast cells with spindle pole bodies and contractile rings
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During cell division, spindle pole bodies (glowing dots) move toward the ends of yeast cells to separate copied genetic information. Alaina Willet, Kathy Gould’s lab, Vanderbilt University. View MediaMicroscopy image of bird-and-flower DNA origami
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An atomic force microscopy image shows DNA folded into an intricate, computer-designed structure. Hao Yan, Arizona State University View MediaIntrons (with labels)
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Genes are often interrupted by stretches of DNA (introns, blue) that do not contain instructions for making a protein. Crabtree + Company View MediaX-ray co-crystal structure of Src kinase bound to a DNA-templated macrocycle inhibitor 3
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X-ray co-crystal structure of Src kinase bound to a DNA-templated macrocycle inhibitor. Markus A. Seeliger, Stony Brook University Medical School and David R. Liu, Harvard University View MediaPlasma-Derived Membrane Vesicles
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This fiery image doesn’t come from inside a bubbling volcano. Instead, it shows animal cells caught in the act of making bubbles, or blebbing. Jeanne Stachowiak, University of Texas at Austin View MediaH1N1 Influenza Virus
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CellPack image of the H1N1 influenza virus, with hemagglutinin and neuraminidase glycoproteins in green and red, respectively, on the outer envelope (white); matrix protein in gray, and ribonucleoprot Dr. Rommie Amaro, University of California, San Diego View MediaInfluenza 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 MediaPores on the surface of the Hawaiian bobtail squid light organ
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The light organ (~0.5 mm across) of a juvenile Hawaiian bobtail squid, Euprymna scolopes, stained blue. Margaret J. McFall-Ngai, Carnegie Institution for Science/California Institute of Technology, and Edward G. Ruby, California Institute of Technology. View MediaMicrotubules in hippocampal neurons
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Microtubules (magenta) in neurons of the hippocampus, a part of the brain involved in learning and memory. Microtubules are strong, hollow fibers that provide structural support to cells. Melike Lakadamyali, Perelman School of Medicine at the University of Pennsylvania. View MediaYeast cells with nuclear envelopes and tubulin
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Yeast cells with nuclear envelopes shown in magenta and tubulin shown in light blue. The nuclear envelope defines the borders of the nucleus, which houses DNA. Alaina Willet, Kathy Gould’s lab, Vanderbilt University. View MediaDisease-resistant Arabidopsis leaf
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This is a magnified view of an Arabidopsis thaliana leaf a few days after being exposed to the pathogen Hyaloperonospora arabidopsidis. Jeff Dangl, University of North Carolina, Chapel Hill View MediaCalcium uptake during ATP production in mitochondria
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Living primary mouse embryonic fibroblasts. Mitochondria (green) stained with the mitochondrial membrane potential indicator, rhodamine 123. Nuclei (blue) are stained with DAPI. Lili Guo, Perelman School of Medicine, University of Pennsylvania View MediaKappa opioid receptor
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The receptor is shown bound to an antagonist, JDTic. Raymond Stevens, The Scripps Research Institute View MediaCell-like compartments emerging from scrambled frog eggs 4
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Cell-like compartments that spontaneously emerged from scrambled frog eggs, with nuclei (blue) from frog sperm. Endoplasmic reticulum (red) and microtubules (green) are also visible. Xianrui Cheng, Stanford University School of Medicine. View MediaDNA replication illustration (with labels)
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During DNA replication, each strand of the original molecule acts as a template for the synthesis of a new, complementary DNA strand. Crabtree + Company View MediaPlasma membrane
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The plasma membrane is a cell's protective barrier. See image 2524 for a labeled version of this illustration. Featured in The Chemistry of Health. Crabtree + Company View Media