Biochemistry Research

Biochemistry Research News -- ScienceDaily Biochemistry News. Read the latest research and watch related biochemistry news videos.

  • Crop-saving soil tests now at farmers' fingertips
    on February 23, 2018 at 8:18 pm

    Soil pathogen testing -- critical to farming, but painstakingly slow and expensive -- will soon be done accurately, quickly, inexpensively and onsite, thanks to new research. […]

  • Why are there so many types of lizards?
    on February 23, 2018 at 8:18 pm

    Researchers have sequenced the complete genetic code -- the genome -- of several vertebrate species from Panama. They found that changes in genes involved in the interbrain (the site of the pineal gland and other endocrine glands), for color vision, hormones and the colorful dewlap that males bob to attract females, may contribute to the formation of boundaries between species. Genes regulating limb development also evolved especially quickly. […]

  • New link between gut bacteria and obesity
    on February 23, 2018 at 2:24 pm

    Researchers have discovered a new link between gut bacteria and obesity. They found that certain amino acids in our blood can be connected to both obesity and the composition of the gut microbiome. […]

  • Playing both ends: Amphibian adapted to varied evolutionary pressures
    on February 23, 2018 at 2:21 pm

    Caecilian, Siphonops annulatus, a limbless amphibian found throughout Brazil, has a concentration of enlarged mucous glands in its head region and a concentration of enlarged poison glands in its posterior region. These concentration appear to have evolved from different selective pressures: the ability to tunnel into the ground and to defend oneself from predators. […]

  • Mutation explains why some people are more vulnerable to viral brain infection
    on February 22, 2018 at 10:14 pm

    Scientists identified mutations in a single gene that impair immunity to viruses in a region of the brain called the brain stem. […]

  • Sweet, bitter, fat: Genetics play a role in kids' snacking patterns
    on February 22, 2018 at 9:21 pm

    The types of snacks a child chooses could be linked to genetics, a new study found. The study investigated whether genetic variants in taste receptors related to sweet, fat and bitter tastes influence the snacks preschoolers choose and found nearly 80 per cent carried at least one of these genotypes that could predispose them to poor snacking habits. These findings could help parents tailor their kids' diets based on their genetics of taste. […]

  • New crystal structures reveal mysterious mechanism of gene regulation by the 'magic spot'
    on February 22, 2018 at 9:21 pm

    Using an innovative crystallization technique for studying 3D structures of gene transcription machinery, researchers revealed new insights into the long debated action of the 'magic spot' -- a molecule that controls gene expression in E. coli and many other bacteria when the bacteria are stressed. The study contributes to fundamental understanding of how bacteria adapt and survive under adverse conditions and provides clues about key processes that could be targeted in the search for new antibiotics. […]

  • Researchers adapt HIV test in developing rapid diagnostic test for Zika virus
    on February 22, 2018 at 9:21 pm

    Researchers are developing a novel test for Zika virus that uses saliva to identify diagnostic markers of the virus in a fraction of the time of current commercial tests. […]

  • Monkey Vocabulary Decoded
    on February 22, 2018 at 8:02 pm

    From short 'tsiks' and 'ekks' to drawn-out 'phees' -- all the sounds produced by marmoset monkeys are made up of individual syllables of fixed length, according to a new study. The smallest units of vocalization and their rhythmic production in the brain of our relatives could also have been a prerequisite of human speech. […]

  • Surprising new study redraws family tree of domesticated and 'wild' horses
    on February 22, 2018 at 7:51 pm

    New research overturns a long-held assumption that Przewalski's horses, native to the Eurasian steppes, are the last wild horse species on Earth. […]

  • DNA gets away: Scientists catch the rogue molecule that can trigger autoimmunity
    on February 22, 2018 at 7:51 pm

    A research team has discovered the process -- and filmed the actual moment -- that can change the body's response to a dying cell. Importantly, what they call the 'Great Escape' moment may one day prove to be the crucial trigger for autoimmune diseases like arthritis. […]

  • Evolutionary change in protein function respects biophysical principles
    on February 22, 2018 at 7:51 pm

    Some molecular biologists who study the proteins that regulate cell operations do not confine their research to understanding the molecules' current roles. They also look deep into the proteins' evolutionary past to explore what structures have allowed proteins with new functions to develop in response to new needs. […]

  • The Australian government's plan for the biocontrol of the common carp presents several risks
    on February 22, 2018 at 7:50 pm

    Scientists are calling on the Australian authorities to review their decision to introduce the carp herpes virus as a way to combat the common carp having colonized the country's rivers. They not only believe that this measure will be ineffective but that it also represents a risk to ecosystems. […]

  • Toenail fungus gives up sex to infect human hosts
    on February 22, 2018 at 7:50 pm

    The fungus that causes athlete's foot and other skin and toenail infections may have lost its ability to sexually reproduce as it adapted to grow on human hosts. The discovery that this species may be asexual -- and therefore nearly identical at the genetic level -- uncovers potential vulnerabilities that researchers could exploit in designing better antifungal medications. The findings appear online in Genetics. […]

  • C-sections and gut bacteria increase risk of childhood obesity
    on February 22, 2018 at 7:50 pm

    New research has found that overweight and obese women are more like to have children who are overweight or obese by three years of age -- and that bacteria in the gut may be partially to blame. […]

  • In living color: Seeing cells from outside the body with synthetic bioluminescence
    on February 22, 2018 at 7:50 pm

    Glowing creatures like fireflies and jellyfish are captivating to look at but also a boon for science, as their bioluminescent molecules contribute to visualizing a host of biological processes. Now, scientists have supercharged these molecules, making them hundreds of times brighter in deep tissues and allowing for imaging of cells from outside the body. The bioengineered light source was used to track cancer cells in mice and brain-cell activity in monkeys, but its applications extend beyond the lab. […]

  • Scientists gain new insight on how antibodies interact with widespread respiratory virus
    on February 22, 2018 at 7:50 pm

    Scientists have found and characterized the activity of four antibodies produced by the human immune system that target an important protein found in respiratory syncytial virus (RSV), according to new research. […]

  • Loops, loops, and more loops: This is how your DNA gets organized
    on February 22, 2018 at 7:50 pm

    A living cell is able to neatly package a big jumble of DNA into chromosomes while preparing for cell division. For over a century, scientists have been puzzled for decades on how the process works. Researchers now managed for the first time to isolate and film the process, and witnessed -- in real time -- how a single protein complex called condensin reels in DNA to extrude a loop. […]

  • How bats carry viruses without getting sick
    on February 22, 2018 at 7:50 pm

    Bats are known to harbor highly pathogenic viruses like Ebola or Marburg and yet they do not show clinical signs of disease. Scientists find that in bats, an antiviral immune pathway called the STING-interferon pathway is dampened, and bats can maintain just enough defense against illness without triggering a heightened immune reaction. […]

  • Gut microbes protect against sepsis: Mouse study
    on February 22, 2018 at 7:50 pm

    Sepsis occurs when the body's response to the spread of bacteria or toxins to the bloodstream damages tissues and organs. The fight against sepsis could get a helping hand from a surprising source: gut bacteria. Researchers found that giving mice particular microbes increased blood levels of immunoglobulin A (IgA) antibodies, which protected against the kind of widespread bacterial invasion that leads to sepsis. […]

  • A look at the space between mouse brain cells
    on February 22, 2018 at 7:50 pm

    Between the brain's neurons and glial cells is a critical but understudied structure that's been called neuroscience's final frontier: the extracellular space. With a new imaging paradigm, scientists can now see into and study this complex fluid-filled matrix. […]

  • When every fish counts: Genetic tools can ensure accuracy of identification of endangered fish
    on February 22, 2018 at 6:33 pm

    Genetic analysis showed about one-third of endangered delta smelt were misidentified in surveys of the Yolo Bypass. Their study found that genetic tools can be a powerful complement to visual identification of endangered fish. […]

  • DNA origami: Imaging individual flexible DNA 'building blocks' in 3-D
    on February 22, 2018 at 5:57 pm

    A team of researchers has generated 3-D images from 129 individual molecules of flexible DNA origami particles. Their work provides the first experimental verification of the theoretical model of DNA origami. […]

  • Tracking dormant malaria
    on February 22, 2018 at 5:56 pm

    In an advance that could help scientist discover new malaria drugs, researchers have shown that they can grow dormant human malaria parasites in engineered human liver tissue for several weeks, allowing them to closely study how the parasite becomes dormant, what vulnerabilities it may have, and how it springs back to life. […]

  • Distinguishing males from females among king penguins
    on February 22, 2018 at 1:56 pm

    It is difficult to distinguish males from females among King Penguins, but a new study reveals that King Penguins can be sexed with an accuracy of 100% based on the sex-specific syllable pattern of their vocalizations. Using the beak length, King Penguin individuals can be sexed with an accuracy of 79%. […]

  • New tool tells bioengineers when to build microbial teams
    on February 21, 2018 at 9:02 pm

    Researchers have created a framework for helping bioengineers determine when to use multiple lines of cells to manufacture a product. The work could help a variety of industries that use bacteria to produce chemicals ranging from pharmaceuticals to fragrances. […]

  • Climate warming causes local extinction of Rocky Mountain wildflower species
    on February 21, 2018 at 8:24 pm

    New research has established a causal link between climate warming and the localized extinction of a common Rocky Mountain flowering plant, a result that could serve as a herald of future population declines. […]

  • Scientists create 'Evolutionwatch' for plants
    on February 21, 2018 at 7:09 pm

    Using a hitchhiking weed, scientists reveal for the first time the mutation rate of a plant growing in the wild. […]

  • New interaction mechanism of proteins discovered
    on February 21, 2018 at 6:19 pm

    Researchers have discovered a previously unknown way in which proteins interact with one another and cells organize themselves. This new mechanism involves two fully unstructured proteins forming an ultra-high-affinity complex due to their opposite net charge. Proteins usually bind one another as a result of perfectly matching shapes in their three-dimensional structures. […]

  • Cross-bred flies reveal new clues about how proteins are regulated
    on February 21, 2018 at 6:19 pm

    The investigators used a technique called bottom-up proteomics (sometimes called shotgun proteomics) to reveal which proteins of each species were present in the hybrid flies. […]