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.

Protein 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 Media

RNA strand

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Ribonucleic acid (RNA) has a sugar-phosphate backbone and the bases adenine (A), cytosine (C), guanine (G), and uracil (U). Crabtree + Company View Media

Peripheral nerve cells derived from ES cells

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Peripheral nerve cells made from human embryonic stem cell-derived neural crest stem cells. Stephen Dalton, University of Georgia View Media

Pig trypsin (2)

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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

Dividing yeast cells with nuclear envelopes and spindle pole bodies

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Time-lapse video of yeast cells undergoing cell division. Nuclear envelopes are shown in green, and spindle pole bodies, which help pull apart copied genetic information, are shown in magenta. Alaina Willet, Kathy Gould’s lab, Vanderbilt University. View Media

Animal cell

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A typical animal cell, sliced open to reveal a cross-section of organelles. Judith Stoffer View Media

TFIID 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 Media

Cell-like compartments emerging from scrambled frog eggs 4

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Cell-like compartments that spontaneously emerged from scrambled frog eggs, with nuclei (blue) from frog sperm. Endoplasmic reticulum (red) and microtubules (green) are also visible. Xianrui Cheng, Stanford University School of Medicine. View Media

Neurons from human ES cells

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These neural precursor cells were derived from human embryonic stem cells. The neural cell bodies are stained red, and the nuclei are blue. Xianmin Zeng lab, Buck Institute for Age Research, via CIRM View Media

Human skeletal muscle

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Cross section of human skeletal muscle. Image taken with a confocal fluorescent light microscope. Tom Deerinck, National Center for Microscopy and Imaging Research (NCMIR) View Media

Epigenetic code (with labels)

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The "epigenetic code" controls gene activity with chemical tags that mark DNA (purple diamonds) and the "tails" of histone proteins (purple triangles). Crabtree + Company View Media

Vimentin in a quail embryo

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Video of high-resolution confocal images depicting vimentin immunofluorescence (green) and nuclei (blue) at the edge of a quail embryo yolk. Andrés Garcia, Georgia Tech View Media

A multicolored fish scale 1

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Each of the colored specs in this image is a cell on the surface of a fish scale. Chen-Hui Chen and Kenneth Poss, Duke University 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

Magnesium transporter protein from E. faecalis

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Structure of a magnesium transporter protein from an antibiotic-resistant bacterium (Enterococcus faecalis) found in the human gut. New York Structural GenomiX Consortium View Media

Jellyfish, 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 Media

Polarized cells- 02

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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

High-throughput protein structure determination pipeline

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This slide shows the technologies that the Joint Center for Structural Genomics developed for going from gene to structure and how the technologies have been integrated into a high-throughput pipeline Joint Center for Structural Genomics View Media

HeLa cells

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Multiphoton fluorescence image of HeLa cells stained with the actin binding toxin phalloidin (red), microtubules (cyan) and cell nuclei (blue). Nikon RTS2000MP custom laser scanning microscope. National Center for Microscopy and Imaging Research (NCMIR) View Media

Floral pattern in a mixture of two bacterial species, Acinetobacter baylyi and Escherichia coli, grown on a semi-solid agar for 48 hours (photo 2)

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Floral pattern emerging as two bacterial species, motile Acinetobacter baylyi (red) and non-motile Escherichia coli (green), are grown together for 48 hours on 1% agar surface from a sma L. Xiong et al, eLife 2020;9: e48885 View Media

Nociceptin/orphanin FQ peptide opioid receptor

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The receptor is shown bound to an antagonist, compound-24 Raymond Stevens, The Scripps Research Institute View Media

Dicer generates microRNAs

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The enzyme Dicer generates microRNAs by chopping larger RNA molecules into tiny Velcro^®-like pieces. MicroRNAs stick to mRNA molecules and prevent the mRNAs from being made into proteins. Crabtree + Company View Media

Bond types (with labels)

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Ionic and covalent bonds hold molecules, like sodium chloride and chlorine gas, together. Hydrogen bonds among molecules, notably involving water, also play an important role in biology. Crabtree + Company View Media

Bacillus anthracis being killed

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Bacillus anthracis (anthrax) cells being killed by a fluorescent trans-translation inhibitor, which disrupts bacterial protein synthesis. John Alumasa, Keiler Laboratory, Pennsylvania State University 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

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

Yeast cells entering mitosis

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Yeast cells entering mitosis, also known as cell division. The green and magenta dots are two proteins that play important roles in mitosis. They show where the cells will split. Alaina Willet, Kathy Gould’s lab, Vanderbilt University. View Media

Vimentin in a quail embryo

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Confocal image showing high levels of the protein vimentin (white) at the edge zone of a quail embryo. Cell nuclei are labeled green. Andrés Garcia, Georgia Tech View Media

Lab 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 Media

Z 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 Media

Regeneration 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 Media

Mycobacterium tuberculosis

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Mycobacterium tuberculosis, the bacterium that causes tuberculosis, has infected one-quarter of the world's population and causes more than one million deaths each year, according to the Reuben Peters, Iowa State University View Media

Cells keep their shape with actin filaments and microtubules

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This image shows a normal fibroblast, a type of cell that is common in connective tissue and frequently studied in research labs. James J. Faust and David G. Capco, Arizona State University View Media

Cryo-EM reveals how the HIV capsid attaches to a human protein to evade immune detection

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The illustration shows the capsid of human immunodeficiency virus (HIV) whose molecular features were resolved with cryo-electron microscopy (cryo-EM). Juan R. Perilla, University of Illinois at Urbana-Champaign 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

Simulation of uncontrolled avian flu outbreak

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This video simulation shows what an uncontrolled outbreak of transmissible avian flu among people living in Thailand might look like. Neil M. Ferguson, Imperial College London View Media

Fluorescent E. coli bacteria

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Bioengineers were able to coax bacteria to blink in unison on microfluidic chips. They called each blinking bacterial colony a biopixel. Thousands of fluorescent E. Jeff Hasty Lab, UC San Diego View Media

Atomic Structure of Poppy Enzyme

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The atomic structure of the morphine biosynthetic enzyme salutaridine reductase bound to the cofactor NADPH. The substrate salutaridine is shown entering the active site. Judy Coyle, Donald Danforth Plant Science Center View Media

Cryo-electron tomography of a Caulobacter bacterium

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3D image of Caulobacter bacterium with various components highlighted: cell membranes (red and blue), protein shell (green), protein factories known as ribosomes (yellow), and storage granules Peter Dahlberg, Stanford University. View Media

Crystals of CCD-1 in complex with cefotaxime

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CCD-1 is an enzyme produced by the bacterium Clostridioides difficile that helps it resist antibiotics. Keith Hodgson, Stanford 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

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

Bovine milk alpha-lactalbumin (1)

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

Dynamin Fission

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Time lapse series shows short dynamin assemblies (not visible) constricting a lipid tube to make a "beads on a string" appearance, then cutting off one of the beads i.e., catalyzing membrane fission). Ramachandran, Pucadyil et al. , The Scripps Research Institute View Media

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