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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.
Thymidylate 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 MediaFly by night
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This fruit fly expresses green fluorescent protein (GFP) in the same pattern as the period gene, a gene that regulates circadian rhythm and is expressed in all sensory neurons on the surface of the fl Jay Hirsh, University of Virginia View MediaMultivesicular bodies containing intralumenal vesicles assemble at the vacuole 3
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Collecting and transporting cellular waste and sorting it into recylable and nonrecylable pieces is a complex business in the cell. Matthew West and Greg Odorizzi, University of Colorado View MediaProteins related to myotonic dystrophy
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Myotonic dystrophy is thought to be caused by the binding of a protein called Mbnl1 to abnormal RNA repeats. Manuel Ares, University of California, Santa Cruz View MediaIntroduction to Genome Editing Using CRISPR/Cas9
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Genome editing using CRISPR/Cas9 is a rapidly expanding field of scientific research with emerging applications in disease treatment, medical therapeutics and bioenergy, just to name a few. Janet Iwasa View MediaTFIID complex binds DNA to start gene transcription
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Gene transcription is a process by which the genetic information encoded in DNA is transcribed into RNA. Eva Nogales, Berkeley Lab View MediaGlowing fish
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Professor Marc Zimmer's family pets, including these fish, glow in the dark in response to blue light. Featured in the September 2009 issue of Findings. View MediaBacterial glucose isomerase
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A crystal of bacterial glucose isomerase protein created for X-ray crystallography, which can reveal detailed, three-dimensional protein structures. Alex McPherson, University of California, Irvine View MediaHoneybees marked with paint
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Researchers doing behavioral experiments with honeybees sometimes use paint or enamel to give individual bees distinguishing marks. Gene Robinson, University of Illinois at Urbana-Champaign. View MediaLab mice
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Many researchers use the mouse (Mus musculus) as a model organism to study mammalian biology. Bill Branson, National Institutes of Health View MediaArtificial cilia exhibit spontaneous beating
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Researchers have created artificial cilia that wave like the real thing. Zvonimir Dogic 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 MediaKinases (with labels)
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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 MediaZ rings in bacterial division
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Lab-made liposomes contract where Z rings have gathered together and the constriction forces are greatest (arrows). Masaki Osawa, Duke University View MediaA dynamic model of the DNA helicase protein complex
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This short video shows a model of the DNA helicase in yeast. This DNA helicase has 11 proteins that work together to unwind DNA during the process of copying it, called DNA replication. Huilin Li, Stony Brook University View MediaBone 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 MediaSuperconducting magnet
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Superconducting magnet for NMR research, from the February 2003 profile of Dorothee Kern in Findings. Mike Lovett View MediaDynein moving along microtubules
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Dynein (green) is a motor protein that “walks” along microtubules (red, part of the cytoskeleton) and carries its cargo along with it. This video was captured through fluorescence microscopy. Morgan DeSantis, University of Michigan. View MediaEnzyme reaction
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Enzymes speed up chemical reactions by reducing the amount of energy needed for the reactions. NIGMS View Media“Two-faced” Janus particle activating a macrophage
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A macrophage—a type of immune cell that engulfs invaders—“eats” and is activated by a “two-faced” Janus particle. Yan Yu, Indiana University, Bloomington. View MediaBreast cancer cells change migration phenotypes
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Cancer cells can change their migration phenotype, which includes their shape and the way that they move to invade different tissues. Bo Sun, Oregon State University. View MediaPathways: What is It? | Why Scientists Study Cells
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Learn how curiosity about the world and our cells is key to scientific discoveries. National Institute of General Medical Sciences View MediaModeling disease spread
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What looks like a Native American dream catcher is really a network of social interactions within a community. Stephen Eubank, University of Virginia Biocomplexity Institute (formerly Virginia Bioinformatics Institute) View MediaLysosomes
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Lysosomes have powerful enzymes and acids to digest and recycle cell materials. Judith Stoffer View MediaThe Proteasome: The Cell's Trash Processor in Action
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Our cells are constantly removing and recycling molecular waste. This video shows one way cells process their trash. View MediaVDAC video 03
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This video shows the structure of the pore-forming protein VDAC-1 from humans. Gerhard Wagner, Harvard Medical School View MediaPathways: The Fascinating Cells of Research Organisms
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Learn how research organisms, such as fruit flies and mice, can help us understand and treat human diseases. National Institute of General Medical Sciences View MediaQuartered torso
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Cells function within organs and tissues, such as the lungs, heart, intestines, and kidney. Judith Stoffer View MediaYeast cells with endocytic actin patches
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Yeast cells with endocytic actin patches (green). These patches help cells take in outside material. When a cell is in interphase, patches concentrate at its ends. Alaina Willet, Kathy Gould’s lab, Vanderbilt University. View MediaProtein involved in cell division from Mycoplasma pneumoniae
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Model of a protein involved in cell division from Mycoplasma pneumoniae. This model, based on X-ray crystallography, revealed a structural domain not seen before. Berkeley Structural Genomics Center, PSI View MediaHIV, the AIDS virus, infecting a human cell
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This human T cell (blue) is under attack by HIV (yellow), the virus that causes AIDS. Seth Pincus, Elizabeth Fischer, and Austin Athman, National Institute of Allergy and Infectious Diseases, National Institutes of Health View MediamDia1 antibody staining-01
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Cells move forward with lamellipodia and filopodia supported by networks and bundles of actin filaments. Proper, controlled cell movement is a complex process. Rong Li and Praveen Suraneni, Stowers Institute for Medical Research View MediaDimeric association of receptor-type tyrosine-protein phosphatase
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Model of the catalytic portion of an enzyme, receptor-type tyrosine-protein phosphatase from humans. The enzyme consists of two identical protein subunits, shown in blue and green. New York Structural GenomiX Research Consortium, PSI View MediaEndoplasmic reticulum
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Fluorescent markers show the interconnected web of tubes and compartments in the endoplasmic reticulum. The protein atlastin helps build and maintain this critical part of cells. Andrea Daga, Eugenio Medea Scientific Institute (Conegliano, Italy) View MediaHimastatin and bacteria
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A model of the molecule himastatin overlaid on an image of Bacillus subtilis bacteria. Mohammad Movassaghi, Massachusetts Institute of Technology. View MediaHuman retinal organoid
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A replica of a human retina grown from stem cells. Kevin Eliceiri, University of Wisconsin-Madison. View MediaHIV Capsid
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This image is a computer-generated model of the approximately 4.2 million atoms of the HIV capsid, the shell that contains the virus' genetic material. Juan R. Perilla and the Theoretical and Computational Biophysics Group, University of Illinois at Urbana-Champaign View MediaSheep hemoglobin crystal
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A crystal of sheep hemoglobin protein created for X-ray crystallography, which can reveal detailed, three-dimensional protein structures. Alex McPherson, University of California, Irvine View MediaAnchor cell in basement membrane
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An anchor cell (red) pushes through the basement membrane (green) that surrounds it. Elliott Hagedorn, Duke University. View MediaAutofluorescent xanthophores in zebrafish skin
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Pigment cells are cells that give skin its color. David Parichy, University of Washington View MediaJellyfish, viewed with ZEISS Lightsheet Z.1 microscope
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Jellyfish are especially good models for studying the evolution of embryonic tissue layers. Despite being primitive, jellyfish have a nervous system (stained green here) and musculature (red). Helena Parra, Pompeu Fabra University, Spain View MediaNatural nanomachine in action
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Using a supercomputer to simulate the movement of atoms in a ribosome, researchers looked into the core of this protein-making nanomachine and took snapshots. Kevin Sanbonmatsu, Los Alamos National Laboratory View MediaBacteria in the mouse colon
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Image of the colon of a mouse mono-colonized with Bacteroides fragilis (red) residing within the crypt channel. The red staining is due to an antibody to B. Sarkis K. Mazmanian, California Institute of Technology View MediaTime-lapse video of floral pattern in a mixture of two bacterial species, Acinetobacter baylyi and Escherichia coli, grown on a semi-solid agar for 24 hours
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This time-lapse video shows the emergence of a flower-like pattern in a mixture of two bacterial species, motile Acinetobacter baylyi and non-motile Escherichia coli (green), that are gr L. Xiong et al, eLife 2020;9: e48885 View MediaHeLa cell undergoing division into two daughter cells
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Here, a human HeLa cell (a type of immortal cell line used in laboratory experiments) is undergoing cell division. Dylan T. Burnette, Ph.D., Vanderbilt University School of Medicine. 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 MediaLeptospira bacteria
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Leptospira, shown here in green, is a type (genus) of elongated, spiral-shaped bacteria. Infection can cause Weil's disease, a kind of jaundice, in humans. Tina Weatherby Carvalho, University of Hawaii at Manoa View MediaV. Cholerae Biofilm
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Industrious V. cholerae bacteria (yellow) tend to thrive in denser biofilms (left) while moochers (red) thrive in weaker biofilms (right). View MediaRegeneration of Mouse Ears
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Normal mice, like the B6 breed pictured on the left, develop scars when their ears are pierced. Ellen Heber-Katz, The Wistar Institute View MediaA Growing Bacterial Biofilm
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A growing Vibrio cholerae (cholera) biofilm. Cholera bacteria form colonies called biofilms that enable them to resist antibiotic therapy within the body and other challenges to their growth. Jing Yan, Ph.D., and Bonnie Bassler, Ph.D., Department of Molecular Biology, Princeton University, Princeton, NJ. View Media