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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.
Computer sketch of bird-and-flower DNA origami
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A computer-generated sketch of a DNA origami folded into a flower-and-bird structure. See also related image 3690. Hao Yan, Arizona State University View Media
Dense tubular matrices in the peripheral endoplasmic reticulum (ER) 2
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Three-dimensional reconstruction of a tubular matrix in a thin section of the peripheral endoplasmic reticulum between the plasma membranes of the cell. Jennifer Lippincott-Schwartz, Howard Hughes Medical Institute Janelia Research Campus, Virginia View Media
Dimeric ferredoxin-like protein from an unidentified marine microbe
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This is the first structure of a protein derived from the metagenomic sequences collected during the Sorcerer II Global Ocean Sampling project. Joint Center for Structural Genomics 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
Microtubule breakdown
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Like a building supported by a steel frame, a cell contains its own sturdy internal scaffolding made up of proteins, including microtubules. Eva Nogales, University of California, Berkeley View Media
Life of an AIDS virus
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HIV is a retrovirus, a type of virus that carries its genetic material not as DNA but as RNA. Crabtree + Company View Media
Biopixels
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Bioengineers were able to coax bacteria to blink in unison on microfluidic chips. This image shows a small chip with about 500 blinking bacterial colonies or biopixels. Jeff Hasty Lab, UC San Diego 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
Induced 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 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
Dopaminergic neurons derived from mouse embryonic stem cells
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These neurons are derived from mouse embryonic stem cells. Red shows cells making a protein called TH that is characteristic of the neurons that degenerate in Parkinson's disease. Yaping Sun, lab of Su Guo, University of California, San Francisco, via CIRM View Media
Chang Shan
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For thousands of years, Chinese herbalists have treated malaria using Chang Shan, a root extract from a type of hydrangea that grows in Tibet and Nepal. Paul Schimmel Lab, Scripps Research Institute View Media
Neutrophil-like cells migrating in a microfluidic chip
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Neutrophil-like cells (blue) in a microfluidic chip preferentially migrating toward LTB4 over fMLP. Caroline Jones, University of Texas at Dallas. View Media
Culex quinquefasciatus mosquito larva
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A mosquito larva with genes edited by CRISPR. The red-orange glow is a fluorescent protein used to track the edits. Valentino Gantz, University of California, San Diego. 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
Dolly the sheep
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Scientists in Scotland were the first to clone an animal, this sheep named Dolly. She later gave birth to Bonnie, the lamb next to her. View Media
CRISPR Illustration Frame 1
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This illustration shows, in simplified terms, how the CRISPR-Cas9 system can be used as a gene-editing tool. This is the first frame in a series of four. National Institute of General Medical Sciences. View Media
RNA Polymerase II
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NIGMS-funded researchers led by Roger Kornberg solved the structure of RNA polymerase II. David Bushnell, Ken Westover and Roger Kornberg, Stanford University View Media
Heat shock protein complex from Methanococcus jannaschii
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Model based on X-ray crystallography of the structure of a small heat shock protein complex from the bacteria, Methanococcus jannaschii. Berkeley Structural Genomics Center, PSI-1 View Media
Kupffer cell residing in the liver
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Kupffer cells appear in the liver during the early stages of mammalian development and stay put throughout life to protect liver cells, clean up old red blood cells, and regulate iron levels. Thomas Deerinck, National Center for Microscopy and Imaging Research, University of California, San Diego. View Media
Histones in chromatin (with labels)
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Histone proteins loop together with double-stranded DNA to form a structure that resembles beads on a string. Crabtree + Company View Media
Mouse Brain Cross Section
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The brain sections are treated with fluorescent antibodies specific to a particular protein and visualized using serial electron microscopy (SEM). Anton Maximov, The Scripps Research Institute, La Jolla, CA View Media
Chromatin in human tenocyte
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The nucleus of a degenerating human tendon cell, also known as a tenocyte. It has been color-coded based on the density of chromatin—a substance made up of DNA and proteins. Melike Lakadamyali, Perelman School of Medicine at the University of Pennsylvania. View Media
Relapsing fever bacterium (gray) and red blood cells
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Relapsing fever is caused by a bacterium and transmitted by certain soft-bodied ticks or body lice. The disease is seldom fatal in humans, but it can be very serious and prolonged. NIAID View Media
Ribosome illustration from PDB
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Ribosomes are complex machines made up of more than 50 proteins and three or four strands of genetic material called ribosomal RNA (rRNA). From PDB’s Molecule of the Month collection (direct link: http://pdb101.rcsb.org/motm/121) Molecule of the Month illustrations are available under a CC-BY-4.0 license. Attribution should be given to David S. Goodsell and the RCSB PDB. 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
Fruit fly ovary_2
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A fruit fly ovary, shown here, contains as many as 20 eggs. Fruit flies are not merely tiny insects that buzz around overripe fruit--they are a venerable scientific tool. Denise Montell, University of California, Santa Barbara View Media
Dynamin 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 Media
Dinosaur evolutionary tree
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Analysis of 68 million-year-old collagen molecule fragments preserved in a T. Chris Organ, Harvard University View Media
Protein from E. faecalis
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X-ray structure of a DNA repair enzyme superfamily representative from the human gastrointestinal bacterium Enterococcus faecalis. Midwest Center for Structural Genomics View Media
Serratezomine A
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A 3-D model of the alkaloid serratezomine A shows the molecule's complex ring structure. View Media
Pig alpha amylase
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Crystals of porcine alpha amylase protein created for X-ray crystallography, which can reveal detailed, three-dimensional protein structures. Alex McPherson, University of California, Irvine View Media
Developing 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 Media
X-ray crystallography (with labels)
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X-ray crystallography allows researchers to see structures too small to be seen by even the most powerful microscopes. Crabtree + Company View Media
Cas9 protein involved in the CRISPR gene-editing technology
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In the gene-editing tool CRISPR, a small strand of RNA identifies a specific chunk of DNA. Janet Iwasa View Media
RNA strand (with labels)
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Ribonucleic acid (RNA) has a sugar-phosphate backbone and the bases adenine (A), cytosine (C), guanine (G), and uracil (U). Featured in The New Genetics. Crabtree + Company 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
