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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.
Human Adenovirus
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The cryo-EM structure of human adenovirus D26 (HAdV-D26) at near atomic resolution (3.7 Å), determined in collaboration with the NRAMM facility*. National Resource for Automated Molecular Microscopy http://nramm.nysbc.org/nramm-images/ Source: Bridget Carragher View MediaDense tubular matrices in the peripheral endoplasmic reticulum (ER) 1
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Superresolution microscopy work on endoplasmic reticulum (ER) in the peripheral areas of the cell showing details of the structure and arrangement in a complex web of tubes. Jennifer Lippincott-Schwartz, Howard Hughes Medical Institute Janelia Research Campus, Virginia View MediaChromosomes before crossing over
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Duplicated pair of chromosomes lined up and ready to cross over. Judith Stoffer View MediaCarbon building blocks
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The arrangement of identical molecular components can make a dramatic difference. For example, carbon atoms can be arranged into dull graphite (left) or sparkly diamonds (right). Crabtree + Company View MediaMolecular model of freshly made Rous sarcoma virus (RSV)
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Viruses have been the foes of animals and other organisms for time immemorial. Boon Chong Goh, University of Illinois at Urbana-Champaign View MediaSmall blood vessels in a mouse retina
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Blood vessels at the back of the eye (retina) are used to diagnose glaucoma and diabetic eye disease. They also display characteristic changes in people with high blood pressure. National Center for Microscopy and Imaging Research View MediaSeeing signaling protein activation in cells 03
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Cdc42, a member of the Rho family of small guanosine triphosphatase (GTPase) proteins, regulates multiple cell functions, including motility, proliferation, apoptosis, and cell morphology. Klaus Hahn, University of North Carolina, Chapel Hill Medical School 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 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 MediaDynamin structure
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When a molecule arrives at a cell's outer membrane, the membrane creates a pouch around the molecule that protrudes inward. Josh Chappie, National Institute of Diabetes and Digestive and Kidney Diseases, NIH View MediaFrom DNA to Protein (labeled)
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The genetic code in DNA is transcribed into RNA, which is translated into proteins with specific sequences. Crabtree + Company View MediaMicrotubules in African green monkey cells
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Microtubules in African green monkey cells. Microtubules are strong, hollow fibers that provide cells with structural support. Melike Lakadamyali, Perelman School of Medicine at the University of Pennsylvania. View MediaCell division with late aligning chromosomes
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This video shows an instance of abnormal mitosis where chromosomes are late to align. Gary Gorbsky, Oklahoma Medical Research Foundation View MediaHsp33 figure 2
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Featured in the March 15, 2012 issue of Biomedical Beat. Related to Hsp33 Figure 1, image 3354. Ursula Jakob and Dana Reichmann, University of Michigan View MediaCell in two stages of division
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This image shows a cell in two stages of division: prometaphase (top) and metaphase (bottom). Lilian Kabeche, Dartmouth View MediaZinc finger
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The structure of a gene-regulating zinc finger protein bound to DNA. Jeremy M. Berg, National Institute of General Medical Sciences View MediaIntrons
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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 MediaHighlighted cells
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The cytoskeleton (green) and DNA (purple) are highlighed in these cells by immunofluorescence. Torsten Wittmann, Scripps Research Institute View MediaMicrotubule 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 MediaMouse colon with gut bacteria
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A section of mouse colon with gut bacteria (center, in green) residing within a protective pocket. Sarkis K. Mazmanian, California Institute of Technology View MediaBee venom toxin destroying a cell
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This video condenses 6.5 minutes into less than a minute to show how the toxin in bee venom, called melittin, destroys an animal or bacterial cell. Huey Huang, Rice University View MediaSnowflake yeast 1
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Multicellular yeast called snowflake yeast that researchers created through many generations of directed evolution from unicellular yeast. William Ratcliff, Georgia Institute of Technology. View MediaYoung squids
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Real-time movie of young squids. Michael Shribak, Marine Biological Laboratory/University of Chicago. 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 MediaHsp33 figure 1
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Featured in the March 15, 2012 issue of Biomedical Beat. Related to Hsp33 Figure 2, image 3355. Ursula Jakob and Dana Reichmann, University of Michigan View MediaTrypanosoma brucei, the cause of sleeping sickness
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Trypanosoma brucei is a single-cell parasite that causes sleeping sickness in humans. Michael Rout, Rockefeller University View MediaInduced stem cells from adult skin 04
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The human skin cells pictured contain genetic modifications that make them pluripotent, essentially equivalent to embryonic stem cells. James Thomson, University of Wisconsin-Madison View MediaBrain cells in the hippocampus
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Hippocampal cells in culture with a neuron in green, showing hundreds of the small protrusions known as dendritic spines. Shelley Halpain, UC San Diego View MediaRetroviruses as fossils
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DNA doesn't leave a fossil record in stone, the way bones do. Instead, the DNA code itself holds the best evidence for organisms' genetic history. Emily Harrington, science illustrator View MediaMitotic cell awaits chromosome alignment
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During mitosis, spindle microtubules (red) attach to chromosome pairs (blue), directing them to the spindle equator. View MediaTetrapolar mitosis
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This image shows an abnormal, tetrapolar mitosis. Chromosomes are highlighted pink. The cells shown are S3 tissue cultured cells from Xenopus laevis, African clawed frog. Gary Gorbsky, Oklahoma Medical Research Foundation View MediaMitosis and meiosis compared-labeled
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Meiosis is used to make sperm and egg cells. During meiosis, a cell's chromosomes are copied once, but the cell divides twice. Judith Stoffer View MediaProtein rv2844 from M. tuberculosis
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This crystal structure shows a conserved hypothetical protein from Mycobacterium tuberculosis. Only 12 other proteins share its sequence homology, and none has a known function. Integrated Center for Structure and Function Innovation View MediaProtein from Arabidopsis thaliana
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NMR solution structure of a plant protein that may function in host defense. This protein was expressed in a convenient and efficient wheat germ cell-free system. Center for Eukaryotic Structural Genomics View MediaColor coding of the Drosophila brain - black background
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This image results from a research project to visualize which regions of the adult fruit fly (Drosophila) brain derive from each neural stem cell. Yong Wan from Charles Hansen’s lab, University of Utah. Data preparation and visualization by Masayoshi Ito in the lab of Kei Ito, University of Tokyo. View MediaCatalase diversity
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Catalases are some of the most efficient enzymes found in cells. Amy Wu and Christine Zardecki, RCSB Protein Data Bank. View MediaTwo mouse fibroblast cells
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Two mouse fibroblasts, one of the most common types of cells in mammalian connective tissue. They play a key role in wound healing and tissue repair. Dylan T. Burnette, Vanderbilt University School of Medicine. View MediaHen egg lysozyme (2)
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A crystal of hen egg lysozyme protein created for X-ray crystallography, which can reveal detailed, three-dimensional protein structures. Alex McPherson, University of California, Irvine View Media