Molecular Biology

Molecular Biology News -- ScienceDaily Molecular biology. Read the latest research on molecular biology or search thousands of news articles with images from leading universities and research institutes.

  • Picture perfect: Researchers gain clearest ever image of Ebola virus protein
    on October 17, 2018 at 6:09 pm

    Near-atomic resolution model of viral protein complex brings clearer understanding of the viral mechanics. […]

  • Biomaterials with 'Frankenstein proteins' help heal tissue
    on October 15, 2018 at 3:35 pm

    Biomedical engineers have demonstrated that, by injecting an elastic biomaterial made from ordered and disordered proteins, a scaffold can form that responds to temperature and easily integrates into tissue. […]

  • Cellular 'tuning mechanism' builds elegant eyes
    on October 15, 2018 at 2:45 pm

    Scientists discover a molecular 'brake' that helps control eye lens development in zebrafish. […]

  • The tightest non-aminoglycoside ligand for the bacterial ribosomal RNA A-site
    on October 15, 2018 at 2:45 pm

    A research group has made a significant discovery with positive implications for the development of bacteria-fighting drugs. The aminoacyl-tRNA site (A-site) of the 16S RNA decoding region in the bacterial ribosome looks promising for a new era of antibiotic drug development. […]

  • Molecular atlas of postnatal mouse heart development
    on October 15, 2018 at 2:45 pm

    Researchers mapped the postnatal changes in mouse myocardium on three omics levels and multiple time points, highlighting the importance of metabolic pathways as potential drug targets. […]

  • Artificial intelligence aids automatic monitoring of single molecules in cells
    on October 15, 2018 at 2:04 pm

    Researchers developed a system that can automatically image single molecules within living cells. This system employs learning via neural networks to focus appropriately on samples, search automatically for cells, image fluorescently labeled single molecules, and track their movements. With this system, the team achieved the automated determination of pharmacological parameters and quantitative characterization of the effects of ligands and inhibitors on a target, which has potentially profound implications for biological and medical sciences. […]

  • Cells' route in response to disease is not always straight
    on October 15, 2018 at 12:45 pm

    The steps cells take in response to challenges are more complex than previously thought, finds new research. The study investigates a system relevant to cancer, viral infection, and diabetes. […]

  • An RNA key that unlocks innate immunity
    on October 12, 2018 at 7:16 pm

    New research shows that a versatile RNA molecule may be a key player in human cells' frontline defenses against viruses. […]

  • New mechanism for how animal cells stay intact
    on October 12, 2018 at 7:16 pm

    Watching the movement of every cell in an adult animal all at once, researchers discovered ultra-fast cellular contractions. This research suggests a new role for cellular contractions in tissue cohesion, which could be the basis of a new material. […]

  • Mouse pups with same-sex parents born in China using stem cells and gene editing
    on October 11, 2018 at 6:31 pm

    Researchers were able to produce healthy mice with two mothers that went on to have normal offspring of their own. Mice from two dads were also born but only survived for a couple of days. The work looks at what makes it so challenging for animals of the same sex to produce offspring and suggests that some of these barriers can be overcome using stem cells and targeted gene editing. […]

  • Genetic Achilles heel hurts humans fighting hepatitis C
    on October 11, 2018 at 6:31 pm

    An antimicrobial signaling molecule called interferon lambda 4 has lower activity against the hepatitis C virus in the vast majority of humans compared with chimpanzees and African hunter-gatherer Pygmies, according to a new study. […]

  • Researchers modify CRISPR to reorganize genome
    on October 11, 2018 at 6:31 pm

    Researchers have reworked CRISPR-Cas9 gene-editing technology to manipulate the genome in three-dimensional space, allowing them to ferry genetic snippets to different locations in a cell's nucleus. […]

  • New route of acquiring antibiotic resistance in bacteria is the most potent one to date
    on October 11, 2018 at 6:31 pm

    For the first time in 60 years, researchers have discovered a new mechanism of genetic transduction, the process by which bacteriophages transfer bacterial DNA between bacteria. This new mechanism (lateral transduction) is the most powerful to date, able to transfer large DNA stretches at high frequencies. It likely plays a major role in bacterial evolution and acquisition of antibiotic resistance. […]

  • Fruit fly protein could be new tool in tackling disease-carrying mosquitoes
    on October 11, 2018 at 3:24 pm

    An insulin-binding protein in fruit flies could provide new opportunities for tackling disease-carrying mosquitoes, such as malaria and yellow fever. […]

  • Scientists accidentally reprogram mature mouse GABA neurons into dopaminergic-like neurons
    on October 11, 2018 at 3:24 pm

    Attempting to make dopamine-producing neurons out of glial cells in mouse brains, a group of researchers instead converted mature inhibitory neurons into dopaminergic cells. Their findings reveal that -- contrary to previous belief -- it is possible to reprogram one mature neuron type into another without first reverting it to a stem-cell-like state. […]

  • Surfing on calcium waves: A larva's journey to becoming a fly
    on October 11, 2018 at 2:36 pm

    Researchers have uncovered the neuronal typeset that determines a larva's decision to pupariate, especially when challenged for nutrients. The group has investigated this question in fruit flies to understand how they integrate internal and environmental nutritional cues to make decisions on pupariation. […]

  • Functional salivary gland organoid created
    on October 11, 2018 at 1:05 pm

    Scientists have, for the first time, succeeded in growing three-dimensional salivary gland tissue that, when implanted into mice, produced saliva like normal glands. […]

  • Nutrients may reduce blood glucose levels
    on October 10, 2018 at 6:44 pm

    One amino acid, alanine, may produce a short-term lowering of glucose levels by altering energy metabolism in the cell. […]

  • How proteins meet on the cell membrane
    on October 10, 2018 at 4:39 pm

    At last, the researchers have defined the molecular basis of the cell membrane in integrin activation. […]

  • Why shoals of fish flash silver
    on October 10, 2018 at 2:57 pm

    Scientists have helped to figure out why shoals of fish flash silver as they twist through the water by studying how the shiny silver cells are created in zebrafish. […]

  • Ideal protein to help seniors rebuild lost muscle
    on October 9, 2018 at 5:59 pm

    While exercise buffs have long used protein supplements to gain muscle, new research suggests one protein source in particular, whey protein, is most effective for seniors struggling to rebuild muscle lost from inactivity associated with illness or long hospital stays. […]

  • Implantable, biodegradable devices speed nerve regeneration in rats
    on October 8, 2018 at 3:45 pm

    Peripheral nerve injuries leave people with tingling, numbness and weakness in their arms, hands and legs. Researchers have developed an implantable, bioabsorbable device that speeds recovery in rats by stimulating injured nerves with electricity. […]

  • New details of HIV life cycle
    on October 5, 2018 at 3:14 pm

    The discovery of a small molecule that plays an important part of the HIV life cycle may lead to the development of new treatments for the virus. […]

  • Protein dynamics: Molecular machines at work
    on October 5, 2018 at 3:14 pm

    Researchers have used a special fluorescence-based imaging technique to track the shape changes that occur when pore proteins in the cell membrane export molecules into the extracellular medium. […]

  • How malaria infection activates natural killer cells
    on October 4, 2018 at 6:39 pm

    Malaria-infected red blood cells trigger the immune system's first line of defense by releasing small vesicles that activate a pathogen recognition receptor called MDA5, according to a new study. […]

  • Molecular guardians monitor chromosomes during cell division
    on October 4, 2018 at 6:39 pm

    One of the worst things that can happen to a cell is to end up with the wrong number of chromosomes. This can happen if something goes wrong during cell division, and it can lead to infertility, miscarriages, birth defects, or cancer. […]

  • 'Double agent' in the immune system may make us vulnerable to bacterial infections
    on October 4, 2018 at 5:18 pm

    Scientists have discovered the role of an immune system double agent. This molecule, called USP18, can help curtail immune responses, but it can also open the door to bacterial infections, such as harmful listeria and staph infections. […]

  • Amputation injury is communicated to opposing limbs
    on October 4, 2018 at 5:18 pm

    In research that extends knowledge about the physiology of regeneration and wound repair, biologists have discovered that amputation of one limb is immediately reflected in the bioelectric properties of the contralateral, or opposing, un-damaged limb of developing frogs. […]

  • Recording device for cell history
    on October 3, 2018 at 5:44 pm

    Researchers are using the CRISPR-Cas system to develop a novel recording mechanism: the snippets of DNA it produces can provide information about certain cellular processes. In future, this cellular memory might even be used in diagnostics. […]

  • Fresh insights help unlock mysteries of the first stages of life
    on October 3, 2018 at 5:44 pm

    Key insights into how sperm and egg cells are formed have been discovered by scientists, shedding light on the earliest stages of their development. […]