Cell Biology

Cell Biology News -- ScienceDaily Cell biology news. Read the latest research news on cell biology and see related videos.

  • 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. […]

  • Pupil's brain recognizes the perfect teacher
    on October 17, 2018 at 6:09 pm

    Human and avian youngsters learn behaviors by imitating adults. But learners are selective in who they copy, and scientists don't understand how they choose the right teacher. Young male zebra finches must learn to copy the song of an adult male to mate, but juveniles won't imitate songs played through a loudspeaker or sung by other species of birds. New findings show how the juvenile birds identify the right teacher. […]

  • Novel switching valve to receive more semen in a sex-role reversed cave insect
    on October 17, 2018 at 1:24 pm

    The female of a sex-role reversed cave insect species Neotrogla has evolved a switching valve to receive more semen during mating, when a penis-like structure in the female anchors in the male 'vagina.' […]

  • Penetrating the soil's surface with radar
    on October 17, 2018 at 12:07 pm

    Ground penetrating radar measures the amount of moisture in soil quickly and easily. Researchers' calculations from the data informs agricultural water use and climate models. […]

  • Sex or food? Decision-making in single-cell organisms
    on October 16, 2018 at 7:42 pm

    Unicellular diatoms are able to adapt their behavior to different external stimuli based on an evaluation of their own needs. In experiments, Seminavis robusta diatoms directed their orientation either towards nutrient sources or mating partners, depending on the degree of starvation and the need to mate. […]

  • Public opinion on GMOs might impact similar technologies in stores
    on October 16, 2018 at 5:20 pm

    Researchers have found that an individual's perception of genetically modified organisms might impact their judgments about whether or not nanotechnology-enabled products should be labeled in stores. […]

  • 3D imaging opens door to better understanding of fascinating leaf complexity
    on October 16, 2018 at 1:44 pm

    Leading biologists launch global rallying cry to overhaul theoretical models of carbon-water exchange and photosynthesis using 3D imaging. […]

  • How beetle larvae thrive on carrion
    on October 15, 2018 at 7:06 pm

    The burying beetle Nicrophorus vespilloides buries the cadavers of small animals to use them as a food source for its offspring. However, the carcass is susceptible to microbial decomposition. Researchers show that the beetles replace harmful microorganisms with their own beneficial gut symbionts, thus turning a carcass into a nursery with a microbial community that even promotes larval growth. […]

  • 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. […]

  • Unravelling the genetics of fungal fratricide
    on October 15, 2018 at 3:35 pm

    Selfish genes are genes that are passed on to the next generation but confer no advantage on the individual as a whole, and may sometimes be harmful. Researchers have, for the first time, sequenced (or charted) two selfish genes in the fungus Neurospora intermedia that cause fungal spores to kill their siblings. Unexpectedly, the genes were not related to each other, perhaps indicating that selfish genes are more common than previously thought. […]

  • 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. […]

  • Classifying microbes differently leads to discovery
    on October 12, 2018 at 3:50 pm

    Changing the way microbes are classified can reveal similarities among mammals' gut microbiomes, according to a new study that proposes an alternative method for classifying microbes to provide insight into human and environmental health. […]

  • Goldilocks principle in biology: Fine-tuning the 'just right' signal load
    on October 12, 2018 at 3:01 pm

    In 'Goldilock and the Three Bears', Goldilock finds that only one bowl of porridge has the ''just right'' temperature, and in the same way within biology, you can find the 'just right' conditions -- called the Goldilocks principle. This a research team has done by demonstrating that in order to get the 'just right' amount of signalling for symbiosis in the roots of legumes, a specific enzyme called chitinase (CHIT5) must be present. […]

  • Effects of a high-fat diet may be passed on for three generations
    on October 12, 2018 at 12:27 pm

    A high-fat diet in female mice affects their offspring's obesity, insulin resistance and addictive-like behaviors for three generations, according to a new study. […]

  • 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. […]

  • New microscope offers 4-D look at embryonic development in living mice
    on October 11, 2018 at 6:31 pm

    With the development of an adaptive, multi-view light sheet microscope and a suite of computational tools, researchers have captured the first view of early organ development inside the mouse embryo. […]

  • 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. […]

  • Clues from a Somalian cavefish about modern mammals' dark past
    on October 11, 2018 at 3:24 pm

    After millions of years living in darkness, a species of blind cavefish has lost an ancient system of DNA repair. That DNA repair system, found in organisms including bacteria, fungi, plants, and most other animals, harnesses energy from visible light to repair DNA damage induced by ultraviolet (UV) light. The findings are intriguing in part because only placental mammals were previously known to lack this system. […]

  • 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. […]

  • New techniques can detect lyme disease weeks before current tests
    on October 11, 2018 at 1:05 pm

    Researchers have developed techniques to detect Lyme disease bacteria weeks sooner than current tests, allowing patients to start treatment earlier. […]