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Tag Archives: molecular

Molecular biologists reveal new insights into tumor progression

When viewed under a fluorescence microscope, the individual probes illuminate each RNA in a single cell. Using a color combination method, UD molecular biologist Mona Batish can distinguish which labeled RNAs are linear (yellow) and circular (green). Picture credits: Kathy F. Atkinson Molecular biologist Mona Batish of the University of Delaware and associates at Harvard Medical School and the University …

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Scientists deciphered embryo development at the molecular level

Penn scientists have created the first detailed map of molecular level changes in cells during development of the animal embryo in a new study. C. elegans is an animal that hatches with only 558 cells in the body. In a multicellular organism, each cell is obtained by cell division from a single fertilized egg, resulting in a "cell line tree" …

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Scientists advance the search for molecular roots of memory

A model of the CaMKII protein shows multiple domains that allow it to bind actin filaments in the dendrites of neurons into bundles, thereby giving dendrites their shape. Researchers at Rice University, the University of Houston and the University of Texas Health Science Center in Houston believe the complex is the key to long-term memory formation. Picture credits: Wolynes Research …

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Molecular Energy Machine as a movie star

Tobias Weinert, biochemist at PSI, with the experimental setup for the crystallography "excitation query" at the SLS: An injector creates a 50 micron (like a hair) thin stream of a toothpaste-like mass with the protein crystals grown in it. A small laser diode, similar to a conventional laser pointer, is passed over mirrors and lenses and focused at the point …

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Scientists synthesize a molecular "cage" to trap chloride

computer rendering of the cage with six triazole molecules to trap chloride salts. Photo credits: Yan Liu, University of Illinois, Urbana-Champaign Indiana University researchers have developed a powerful new molecule for the extraction of salt from liquids. The work can help to increase the amount of drinking water on earth. The new molecule was made using chemical bonds previously considered …

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Microscopic and molecular evidence at Paleolithic hearths helps uncover Neanderthal mobility habits – ScienceDaily

Ancient fire remains document the movement and settlement patterns of the Neanderthals and indicate specific occupation events. This emerges from a new study published on April 24, 2019 in PLOS ONE by Lucia Leierer and colleagues from the Universidad de La Laguna, Spain. It is believed that most Paleolithic household activities took place around fire pits or fire. The author …

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Sydney Brenner, pioneer of molecular biology, dies at 92 | science

By Jennifer Couzin-Frankel 5, 2019, 15:50 Sydney Brenner, Nobel laureate whose studies on roundworm Caenorhabditis elegans led to pioneering discoveries in genetics and developmental biology, died today in Singapore. He was 92 years old. Brenner discovered basic steps in how DNA uses DNA to make proteins that make life possible. He found that sequences of three DNA bases encode the …

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Mars could have enough molecular oxygen to support life;

A – A + Today's Mars is more hospitable to life with oxygen breathing than previously thought. One study suggests that saltwater at or near the surface of the red planet may contain enough dissolved O2 to support oxygenated microbes and more complex organisms such as sponges. "Nobody thought of Mars as a place where aerobic respiration would work because …

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Even the Cleanest Water Droplets Contain Molecular Dirt • Earth.com

When materials come in contact with natural air, they are coated with a thin layer of molecules that alter their properties. This molecular dirt has been found to be very difficult for scientists, and some have theorized that the coating is simply a layer of water molecules. To investigate this, researchers from the Vienna University of Technology have developed a …

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