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.

Axolotls showing nervous system components

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Axolotls—a type of salamander—that have been genetically modified so that various parts of their nervous systems glow purple and green. Prayag Murawala, MDI Biological Laboratory and Hannover Medical School. View Media

Microsporidia in roundworm 3

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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

Cell cycle (with labels)

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Cells progress through a cycle that consists of phases for growth (G1, S, and G2) and division (M). Cells become quiescent when they exit this cycle (G0). Crabtree + Company View Media

Neural tube development

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Proteins in the neural tissues of this zebrafish embryo direct cells to line up and form the neural tube, which will become the spinal cord and brain. Alexander Schier, Harvard University View Media

Ubiquitin-fold modifier 1 from C. elegans

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Solution NMR structure of protein target WR41 (left) from C. elegans. Northeast Structural Genomics Consortium View Media

Cross section of a Drosophila melanogaster pupa

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This photograph shows a magnified view of a Drosophila melanogaster pupa in cross section. Compare this normal pupa to one that lacks an important receptor, shown in image 2759. Christina McPhee and Eric Baehrecke, University of Massachusetts Medical School View Media

Gene silencing

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Pretty in pink, the enzyme histone deacetylase (HDA6) stands out against a background of blue-tinted DNA in the nucleus of an Arabidopsis plant cell. Olga Pontes and Craig Pikaard, Washington University View Media

Anchor 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 Media

See how immune cell acid destroys bacterial proteins

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This animation shows the effect of exposure to hypochlorous acid, which is found in certain types of immune cells, on bacterial proteins. American Chemistry Council View Media

Tracking embryonic zebrafish cells

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To better understand cell movements in developing embryos, researchers isolated cells from early zebrafish embryos and grew them as clusters. Liliana Solnica-Krezel, Washington University School of Medicine in St. Louis. View Media

Dose response curves

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Dose-response curves determine how much of a drug (X-axis) causes a particular effect, or a side effect, in the body (Y-axis). Featured in Medicines By Design. Crabtree + Company View Media

Pig trypsin (1)

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A crystal of porcine trypsin protein created for X-ray crystallography, which can reveal detailed, three-dimensional protein structures. Alex McPherson, University of California, Irvine View Media

Lily mitosis 06

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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

Proteasome

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

Nerve ending

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A scanning electron microscope picture of a nerve ending. It has been broken open to reveal vesicles (orange and blue) containing chemicals used to pass messages in the nervous system. Tina Weatherby Carvalho, University of Hawaii at Manoa View Media

Regenerating lizard tail

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The interior of a regenerating lizard tail 14 days after the original tail was amputated. Thomas Lozito, University of Southern California. View Media

Fruit fly egg chamber

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A fruit fly (Drosophila melanogaster) egg chamber with microtubules shown in green and actin filaments shown in red. Vladimir I. Gelfand, Feinberg School of Medicine, Northwestern University. View Media

Cryogenic storage tanks at the Coriell Institute for Medical Research

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Established in 1953, the Coriell Institute for Medical Research distributes cell lines and DNA samples to researchers around the world. Courtney Sill, Coriell Institute for Medical Research View Media

Closeup of fluorescent C. elegans showing muscle and ribosomal protein

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Closeup of C. elegans, tiny roundworms, with a ribosomal protein glowing red and muscle fibers glowing green. Researchers used these worms to study a molecular pathway that affects aging. Jarod Rollins, Mount Desert Island Biological Laboratory. View Media

Fly 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 Media

Skin cell (keratinocyte)

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This normal human skin cell was treated with a growth factor that triggered the formation of specialized protein structures that enable the cell to move. Torsten Wittmann, University of California, San Francisco View Media

Polarized cells- 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 Media

TEM cross-section of C. elegans (roundworm)

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The worm Caenorhabditis elegans is a popular laboratory animal because its small size and fairly simple body make it easy to study. Piali Sengupta, Brandeis University View Media

Math from the heart

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Watch a cell ripple toward a beam of light that turns on a movement-related protein. View Media

Protein purification robot in action 01

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A robot is transferring 96 purification columns to a vacuum manifold for subsequent purification procedures. The Northeast Collaboratory for Structural Genomics View Media

Shiga toxin

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E. coli bacteria normally live harmlessly in our intestines, but some cause disease by making toxins. Amy Wu and Christine Zardecki, RCSB Protein Data Bank. View Media

Fruit fly starvation leads to adipokine accumulation

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Adult Drosophila abdominal fat tissue showing cell nuclei labelled in magenta. Akhila Rajan, Fred Hutchinson Cancer Center View Media

Egg comparison

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The largest human cell (by volume) is the egg. Human eggs are 150 micrometers in diameter and you can just barely see one with a naked eye. In comparison, consider the eggs of chickens...or ostriches! Judith Stoffer View Media

DNA replication origin recognition complex (ORC)

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A study published in March 2012 used cryo-electron microscopy to determine the structure of the DNA replication origin recognition complex (ORC), a semi-circular, protein complex (yellow) that recogni Huilin Li, Brookhaven National Laboratory View Media

Nucleolinus

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The nucleolinus is a cellular compartment that has been a lonely bystander in scientific endeavors. Mary Anne Alliegro, Marine Biological Laboratory View Media

Lysosomes

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Lysosomes have powerful enzymes and acids to digest and recycle cell materials. Judith Stoffer View Media

Mitosis - interphase

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A cell in interphase, at the start of mitosis: Chromosomes duplicate, and the copies remain attached to each other. Judith Stoffer View Media

Hsp33 Heat Shock Protein Inactive to Active

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When the heat shock protein hsp33 is folded, it is inactive and contains a zinc ion, stabilizing the redox sensitive domain (orange). Dana Reichmann, University of Michigan View Media

Enzyme transition states

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The molecule on the left is an electrostatic potential map of the van der Waals surface of the transition state for human purine nucleoside phosphorylase. Vern Schramm, Albert Einstein College of Medicine of Yeshiva University View Media

Retinal pigment epithelium derived from human ES cells

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This color-enhanced image is a scanning electron microscope image of retinal pigment epithelial (RPE) cells derived from human embryonic stem cells. David Hinton lab, University of Southern California, via CIRM View Media

CRISPR Illustration Frame 4

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This illustration shows, in simplified terms, how the CRISPR-Cas9 system can be used as a gene-editing tool. National Institute of General Medical Sciences. View Media

Early ribbon drawing of a protein

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This ribbon drawing of a protein hand drawn and colored by researcher Jane Richardson in 1981 helped originate the ribbon representation of proteins that is now ubiquitous in molecular graphics. Jane Richardson, Duke University Medical Center View Media

Rabbit GPDA

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A crystal of rabbit GPDA protein created for X-ray crystallography, which can reveal detailed, three-dimensional protein structures. Alex McPherson, University of California, Irvine View Media

Apoptosis reversed

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Two healthy cells (bottom, left) enter into apoptosis (bottom, center) but spring back to life after a fatal toxin is removed (bottom, right; top). Hogan Tang of the Denise Montell Lab, Johns Hopkins University School of Medicine View Media

Cells lining the trachea

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In this image, viewed with a ZEISS ORION NanoFab microscope, the community of cells lining a mouse airway is magnified more than 10,000 times. Eva Mutunga and Kate Klein, University of the District of Columbia and National Institute of Standards and Technology View Media

Motion in the brain

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Amid a network of blood vessels and star-shaped support cells, neurons in the brain signal each other. The mists of color show the flow of important molecules like glucose and oxygen. Kim Hager and Neal Prakash, University of California, Los Angeles View Media

Genetic 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 Media

Ciclo circadiano de un adolescente típico

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Los ritmos circadianos son cambios físicos, mentales y conductuales que siguen un ciclo de 24 horas. NIGMS View Media

Drugs enter skin (with labels)

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Drugs enter different layers of skin via intramuscular, subcutaneous, or transdermal delivery methods. See image 2531 for an unlabeled version of this illustration. Crabtree + Company View Media

Lily mitosis 05

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Bacteriophage P22 capsid, detail

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Detail of a subunit of the capsid, or outer cover, of bacteriophage P22, a virus that infects the Salmonella bacteria. Dr. Wah Chiu, Baylor College of Medicine View Media

Dense 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 Media

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