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.

Human aspartoacylase

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

Interphase in Xenopus frog cells

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These images show frog cells in interphase. The cells are Xenopus XL177 cells, which are derived from tadpole epithelial cells. The microtubules are green and the chromosomes are blue. Claire Walczak, who took them while working as a postdoc in the laboratory of Timothy Mitchison. View Media

Activation energy

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To become products, reactants must overcome an energy hill. See image 2526 for a labeled version of this illustration. Featured in The Chemistry of Health. Crabtree + Company View Media

Transcription factor Sox17 controls embryonic development of certain internal organs

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During embryonic development, transcription factors (proteins that regulate gene expression) govern the differentiation of cells into separate tissues and organs. James M. Wells, Cincinnati Children's Hospital Medical Center View Media

Fruit fly egg ooplasmic streaming

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Two fruit fly (Drosophila melanogaster) egg cells, one on each side of the central black line. Vladimir I. Gelfand, Feinberg School of Medicine, Northwestern University. View Media

Hydra 06

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Hydra magnipapillata is an invertebrate animal used as a model organism to study developmental questions, for example the formation of the body axis. Hiroshi Shimizu, National Institute of Genetics in Mishima, Japan View Media

EM of yeast cell division

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Cell division is an incredibly coordinated process. Matthew West and Greg Odorizzi, University of Colorado View Media

Telomeres on outer edge of nucleus during cell division

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New research shows telomeres moving to the outer edge of the nucleus after cell division, suggesting these caps that protect chromosomes also may play a role in organizing DNA. Laure Crabbe, Jamie Kasuboski and James Fitzpatrick, Salk Institute for Biological Studies View Media

Dividing 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 Media

Blinking bacteria

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Like a pulsing blue shower, E. coli cells flash in synchrony. Genes inserted into each cell turn a fluorescent protein on and off at regular intervals. Jeff Hasty, University of California, San Diego View Media

Tiny strands of tubulin, a protein in a cell's skeleton

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Just as our bodies rely on bones for structural support, our cells rely on a cellular skeleton. Pakorn Kanchanawong, National University of Singapore and National Heart, Lung, and Blood Institute, National Institutes of Health; and Clare Waterman, National Heart, Lung, and Blood Institute, National Institutes of Health View Media

3D reconstruction of the Golgi apparatus in a pancreas cell

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Researchers used cryo-electron tomography (cryo-ET) to capture images of a rat pancreas cell that were then compiled and color-coded to produce a 3D reconstruction. Xianjun Zhang, University of Southern California. View Media

How a microtubule builds and deconstructs

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A microtubule, part of the cell's skeleton, builds and deconstructs. View Media

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

Oligoendopeptidase F from B. stearothermophilus

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Crystal structure of oligoendopeptidase F, a protein slicing enzyme from Bacillus stearothermophilus, a bacterium that can cause food products to spoil. Accelerated Technologies Center for Gene to 3D Structure/Midwest Center for Structural Genomics View Media

Multivesicular 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 Media

Streptococcus bacteria

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Image of Streptococcus, a type (genus) of spherical bacteria that can colonize the throat and back of the mouth. Stroptococci often occur in pairs or in chains, as shown here. Tina Weatherby Carvalho, University of Hawaii at Manoa View Media

The nascent juvenile light organ of the Hawaiian bobtail squid

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A light organ (~0.5 mm across) of a Hawaiian bobtail squid, Euprymna scolopes, with different tissues are stained various colors. Margaret J. McFall-Ngai, Carnegie Institution for Science/California Institute of Technology, and Edward G. Ruby, California Institute of Technology. View Media

Mosaicism in C. elegans (White Background)

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In the worm C. elegans, double-stranded RNA made in neurons can silence matching genes in a variety of cell types through the transport of RNA between cells. Snusha Ravikumar, Ph.D., University of Maryland, College Park, and Antony M. Jose, Ph.D., University of Maryland, College Park View Media

H1N1 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 Media

Hydra 01

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Fluorescent C. elegans showing muscle and ribosomal protein

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C. elegans, a tiny roundworm, 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

Protein purification facility

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The Center for Eukaryotic Structural Genomics protein purification facility is responsible for purifying all recombinant proteins produced by the center. Center for Eukaryotic Structural Genomics 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

Seeing signaling protein activation in cells 01

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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 Media

Mouse 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 Media

Phagosome in macrophage cell

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A sensor particle being engulfed by a macrophage—an immune cell—and encapsuled in a compartment called a phagosome. The phagosome then fuses with lysosomes—another type of compartment. Yan Yu, Indiana University, Bloomington. View Media

Kappa opioid receptor

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The receptor is shown bound to an antagonist, JDTic. Raymond Stevens, The Scripps Research Institute View Media

Weblike sheath covering developing egg chambers in a giant grasshopper

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The lubber grasshopper, found throughout the southern United States, is frequently used in biology classes to teach students about the respiratory system of insects. Kevin Edwards, Johny Shajahan, and Doug Whitman, Illinois State University. View Media

Measles virus

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A cross section of the measles virus in which six proteins work together to infect cells. The measles virus is extremely infectious; 9 out of 10 people exposed will contract the disease. Amy Wu and Christine Zardecki, RCSB Protein Data Bank. View Media

Tiny points of light in a quantum dot

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This fingertip-shaped group of lights is a microscopic crystal called a quantum dot. About 10,000 times thinner than a sheet of paper, the dot radiates brilliant colors under ultraviolet light. Sandra Rosenthal and James McBride, Vanderbilt University, and Stephen Pennycook, Oak Ridge National Laboratory View Media

Zebrafish embryo

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A zebrafish embryo showing its natural colors. Zebrafish have see-through eggs and embryos, making them ideal research organisms for studying the earliest stages of development. Michael Shribak, Marine Biological Laboratory/University of Chicago. View Media

Cells use bubble-like structures called vesicles to transport cargo

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Cells use bubble-like structures called vesicles (yellow) to import, transport, and export cargo and in cellular communication. A single cell may be filled with thousands of moving vesicles.
Tatyana Svitkina, University of Pennsylvania View Media

Artificial cilia exhibit spontaneous beating

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Researchers have created artificial cilia that wave like the real thing. Zvonimir Dogic View Media

Color coding of the Drosophila brain - video

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This video 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 Media

Yeast cells with Fimbrin Fim1

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Yeast cells with the protein Fimbrin Fim1 shown in magenta. This protein plays a role in cell division. This image was captured using wide-field microscopy with deconvolution.
Alaina Willet, Kathy Gould’s lab, Vanderbilt 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

Arachnoidiscus diatom

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An Arachnoidiscus diatom with a diameter of 190µm. Michael Shribak, Marine Biological Laboratory/University of Chicago. View Media

Research mentor and student

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A research mentor (Lori Eidson) and student (Nina Waldron, on the microscope) were 2009 members of the BRAIN (Behavioral Research Advancements In Neuroscience) program at Georgia State University in A Elizabeth Weaver, Georgia State University View Media

Master clock of the mouse brain

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An image of the area of the mouse brain that serves as the 'master clock,' which houses the brain's time-keeping neurons. The nuclei of the clock cells are shown in blue. Erik Herzog, Washington University in St. Louis View Media

Anthrax bacteria (green) being swallowed by an immune system cell

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Multiple anthrax bacteria (green) being enveloped by an immune system cell (purple). Anthrax bacteria live in soil and form dormant spores that can survive for decades. Camenzind G. Robinson, Sarah Guilman, and Arthur Friedlander, United States Army Medical Research Institute of Infectious Diseases View Media

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