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Bioluminescent imaging in adult zebrafish - overhead view
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Luciferase-based imaging enables visualization and quantification of internal organs and transplanted cells in live adult zebrafish. Kenneth Poss, Duke University View MediaCiclo 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 MediaBioluminescent imaging in adult zebrafish - lateral and overhead view
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Luciferase-based imaging enables visualization and quantification of internal organs and transplanted cells in live adult zebrafish. Kenneth Poss, Duke University View MediaBottles of warfarin
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In 2007, the FDA modified warfarin's label to indicate that genetic makeup may affect patient response to the drug. The widely used blood thinner is sold under the brand name Coumadin®. Alisa Machalek, NIGMS/NIH View MediaMovie of in vitro assembly of a cell-signaling pathway
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T cells are white blood cells that are important in defending the body against bacteria, viruses and other pathogens. Xiaolei Su, HHMI Whitman Center of the Marine Biological Laboratory View MediaAntibiotic-surviving bacteria
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Colonies of bacteria growing despite high concentrations of antibiotics. These colonies are visible both by eye, as seen on the left, and by bioluminescence imaging, as seen on the right. Paul Stoodley, The Ohio State University. View MediaAnti-tumor drug ecteinascidin 743 (ET-743) with hydrogens 01
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Ecteinascidin 743 (ET-743, brand name Yondelis), was discovered and isolated from a sea squirt, Ecteinascidia turbinata, by NIGMS grantee Kenneth Rinehart at the University of Illinois. Timothy Jamison, Massachusetts Institute of Technology View MediaPlasma membrane (with labels)
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The plasma membrane is a cell's protective barrier. See image 2523 for an unlabeled version of this illustration. Featured in The Chemistry of Health. Crabtree + Company View MediaBioluminescence in a Tube
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Details about the basic biology and chemistry of the ingredients that produce bioluminescence are allowing scientists to harness it as an imaging tool. Credit: Nathan Shaner, Scintillon Institute. Nathan Shaner, Scintillon Institute View MediaX-ray co-crystal structure of Src kinase bound to a DNA-templated macrocycle inhibitor 3
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X-ray co-crystal structure of Src kinase bound to a DNA-templated macrocycle inhibitor. Markus A. Seeliger, Stony Brook University Medical School and David R. Liu, Harvard University View MediaLos ritmos circadianos y el núcleo supraquiasmático
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Los ritmos circadianos son cambios físicos, mentales y de comportamiento que siguen un ciclo de 24 horas. NIGMS View MediaAnti-tumor drug ecteinascidin 743 (ET-743) with hydrogens 03
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Ecteinascidin 743 (ET-743, brand name Yondelis), was discovered and isolated from a sea squirt, Ecteinascidia turbinata, by NIGMS grantee Kenneth Rinehart at the University of Illinois. Timothy Jamison, Massachusetts Institute of Technology View MediaActivation energy (with labels)
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To become products, reactants must overcome an energy hill. See image 2525 for an unlabeled version of this illustration. Crabtree + Company View MediaAspirin (with labels)
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Acetylsalicylate (bottom) is the aspirin of today. Crabtree + Company View MediaZinc levels in a plant leaf
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Zinc is required for the function of more than 300 enzymes, including those that help regulate gene expression, in various organisms including humans. Suzana Car, Dartmouth College View MediaHimastatin, 360-degree view
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A 360-degree view of the molecule himastatin, which was first isolated from the bacterium Streptomyces himastatinicus. Himastatin shows antibiotic activity. Mohammad Movassaghi, Massachusetts Institute of Technology. View MediaCascade reaction promoted by water
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This illustration of an epoxide-opening cascade promoted by water emulates the proposed biosynthesis of some of the Red Tide toxins. Tim Jamison, Massachusetts Institute of Technology View MediaX-ray co-crystal structure of Src kinase bound to a DNA-templated macrocycle inhibitor 5
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X-ray co-crystal structure of Src kinase bound to a DNA-templated macrocycle inhibitor. Markus A. Seeliger, Stony Brook University Medical School and David R. Liu, Harvard University View MediaAnti-tumor drug ecteinascidin 743 (ET-743) with hydrogens 02
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Ecteinascidin 743 (ET-743, brand name Yondelis), was discovered and isolated from a sea squirt, Ecteinascidia turbinata, by NIGMS grantee Kenneth Rinehart at the University of Illinois. Timothy Jamison, Massachusetts Institute of Technology View MediaActivation 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 MediaAntibodies in silica honeycomb
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Antibodies are among the most promising therapies for certain forms of cancer, but patients must take them intravenously, exposing healthy tissues to the drug and increasing the risk of side effects. Chenghong Lei, Pacific Northwest National Laboratory & Karl Erik Hellstrom, University of Washington View MediaInsulin production and fat sensing in fruit flies
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Fourteen neurons (magenta) in the adult Drosophila brain produce insulin, and fat tissue sends packets of lipids to the brain via the lipoprotein carriers (green). Akhila Rajan, Fred Hutchinson Cancer Center View MediaO2 reacting with a flavin-dependent enzyme
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Department of Biological Chemistry, University of Michigan View MediaKinases
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Kinases are enzymes that add phosphate groups (red-yellow structures) to proteins (green), assigning the proteins a code. Crabtree + Company View MediaBacillus anthracis being killed
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Bacillus anthracis (anthrax) cells being killed by a fluorescent trans-translation inhibitor, which disrupts bacterial protein synthesis. Kenneth Keiler, Penn State University View MediaATP synthase
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The world's smallest motor, ATP synthase, generates energy for the cell. See image 2518 for a labeled version of this illustration. Crabtree + Company View MediaCarbon building blocks (with examples)
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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 MediaCas4 nuclease protein structure
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This wreath represents the molecular structure of a protein, Cas4, which is part of a system, known as CRISPR, that bacteria use to protect themselves against viral invaders. Fred Dyda, NIDDK View MediaGenetically identical mycobacteria respond differently to antibiotic 2
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Antibiotic resistance in microbes is a serious health concern. So researchers have turned their attention to how bacteria undo the action of some antibiotics. Bree Aldridge, Tufts University View MediaBrain waves of a patient anesthetized with propofol
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A representation of a patient’s brain waves after receiving the anesthetic propofol. Emery N. Brown, M.D., Ph.D., Massachusetts General Hospital/Harvard Medical School, Picower Institute for Learning and Memory, and Massachusetts Institute of Technology. View MediaChang 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 MediaFruit fly brain responds to adipokines
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Drosophila adult brain showing that an adipokine (fat hormone) generates a response from neurons (aqua) and regulates insulin-producing neurons (red).Akhila Rajan, Fred Hutchinson Cancer Center View Media
Bioluminescent imaging in adult zebrafish - lateral view
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Luciferase-based imaging enables visualization and quantification of internal organs and transplanted cells in live adult zebrafish. Kenneth Poss, Duke University View MediaFruit 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 MediaX-ray co-crystal structure of Src kinase bound to a DNA-templated macrocycle inhibitor 4
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X-ray co-crystal structure of Src kinase bound to a DNA-templated macrocycle inhibitor. Markus A. Seeliger, Stony Brook University Medical School and David R. Liu, Harvard University View MediaPrecisely Delivering Chemical Cargo to Cells
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Moving protein or other molecules to specific cells to treat or examine them has been a major biological challenge. Nature Nanotechnology View MediaNucleolus subcompartments spontaneously self-assemble 2
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The nucleolus is a small but very important protein complex located in the cell's nucleus. Nilesh Vaidya, Princeton University View MediaAtomic 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 MediaNucleolus subcompartments spontaneously self-assemble 1
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The nucleolus is a small but very important protein complex located in the cell's nucleus. Nilesh Vaidya, Princeton University View MediaDrugs enter skin
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Drugs enter different layers of skin via intramuscular, subcutaneous, or transdermal delivery methods. See image 2532 for a labeled version of this illustration. Crabtree + Company View MediaCryo-electron microscopy revealing the "wasabi receptor"
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The TRPA1 protein is responsible for the burn you feel when you taste a bite of sushi topped with wasabi. Jean-Paul Armache, UCSF View MediaA drug's life in the body
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A drug's life in the body. Medicines taken by mouth pass through the liver before they are absorbed into the bloodstream. Crabtree + Company View MediaAnti-tumor drug ecteinascidin 743 (ET-743) with hydrogens 04
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Ecteinascidin 743 (ET-743, brand name Yondelis), was discovered and isolated from a sea squirt, Ecteinascidia turbinata, by NIGMS grantee Kenneth Rinehart at the University of Illinois. Timothy Jamison, Massachusetts Institute of Technology View MediaHIV Capsid
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This image is a computer-generated model of the approximately 4.2 million atoms of the HIV capsid, the shell that contains the virus' genetic material. Juan R. Perilla and the Theoretical and Computational Biophysics Group, University of Illinois at Urbana-Champaign View MediaA drug's life in the body (with labels)
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A drug's life in the body. Medicines taken by mouth (oral) pass through the liver before they are absorbed into the bloodstream. Crabtree + Company View MediaPlasma membrane
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The plasma membrane is a cell's protective barrier. See image 2524 for a labeled version of this illustration. Featured in The Chemistry of Health. Crabtree + Company View MediaActive Site of E. coli response regulator PhoB
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Active site of E. coli response regulator PhoB. Ann Stock, Rutgers University View MediaYeast cells responding to a glucose shortage
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These yeast cells were exposed to a glucose (sugar) shortage. Mike Henne, University of Texas Southwestern Medical Center. View MediaAnti-tumor drug ecteinascidin 743 (ET-743), structure without hydrogens 04
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Ecteinascidin 743 (ET-743, brand name Yondelis), was discovered and isolated from a sea squirt, Ecteinascidia turbinata, by NIGMS grantee Kenneth Rinehart at the University of Illinois. Timothy Jamison, Massachusetts Institute of Technology View Media