Biochemistry Research

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

  • Ocean channel in Bahamas marks genetic divide in Brazilian free-tailed bats
    on August 18, 2017 at 8:24 pm

    Brazilian free-tailed bats are expert flyers, capable of migrating hundreds of miles and regularly traveling more than 30 miles a night. But they pull up short at a narrow ocean channel that cuts across the Bahamas, dividing bat populations that last shared an ancestor hundreds of thousands of years ago. […]

  • How immature cells grow up to be red blood cells
    on August 18, 2017 at 4:35 pm

    Researchers have identified the mechanism behind red blood cell specialization and revealed that it is controlled by an enzyme called UBE2O. This finding could spark the development of new treatments for blood disorders and cancers. […]

  • Mineral layer around avian flu pathogen may be the cause for human infections
    on August 18, 2017 at 2:25 pm

    Avian flu can be transmitted from birds to humans; transmission among humans, however, is limited. The reason may be an eggshell-like mineral layer that the virus acquires due to the high calcium concentration in the intestines of birds. These mineralized viruses are significantly more infectious and, in addition, more robust and heat stable than the native viruses. […]

  • Cheesemaking secret unlocked
    on August 18, 2017 at 2:23 pm

    Researchers say their new knowledge on the inner workings of a bacterium has important implications for Australia's billion dollar cheese industry. The research group has explained the regulation of an enzyme in the bacterium Lactococcus, which is used as a starter culture in cheese production. […]

  • Mechanisms explaining positional diversity of the hindlimb in tetrapod evolution
    on August 18, 2017 at 2:23 pm

    Elucidating how body parts in their earliest recognizable form are assembled in tetrapods during development is essential for understanding the nature of morphological evolution. Researchers found in eight tetrapod species that the position of the sacral vertebrae and the hindlimbs is determined by the initiation timing of Gdf11 gene expression. This will contribute to a forthcoming model explaining the coupling of spine and hindlimb positioning - a major step in fully understanding tetrapod evolution. […]

  • How whip-like cell appendages promote bodily fluid flow
    on August 18, 2017 at 2:23 pm

    Researchers have revealed that a molecule called Daple is essential for the correct orientation and coordinated beating of cilia on the surface of cells lining ventricles in the brain. Without Daple, the cilia develop a random arrangement and cannot produce a uniform flow of CSF. This in turn leads to a build-up of fluid, which is associated with swelling of the head, known as hydrocephalus. […]

  • Mitochondria: A map of the cell's powerhouse
    on August 18, 2017 at 2:23 pm

    Researchers are mapping the distribution of all proteins in mitochondria for the first time. […]

  • Climate change and habitat conversion combine to homogenize nature
    on August 18, 2017 at 1:21 pm

    Climate change and habitat conversion to agriculture are working together to homogenize nature. In other words, the more things change, the more they are the same. […]

  • Histone 1, the guardian of genome stability
    on August 18, 2017 at 1:21 pm

    Genomic instability is the main risk factor for tumor development in humans. Therefore understanding its origin and and exploring therapeutic targets is paramount. Histone 1 silences a region of the genome that causes irreparable DNA damage when translated and is lethal for the organism. […]

  • Gene variant activity is surprisingly variable between tissues
    on August 18, 2017 at 1:21 pm

    Every tissue has its own pattern of active alleles, a large-scale study has found. Researchers were able to show that the differential allele activity is regulated by tissue-specific, regulatory DNA elements known as enhancers - a process that could also be involved in many diseases. […]

  • Allergies: Cross-reactivity between cypress pollen and peaches/citrus fruits explained
    on August 18, 2017 at 1:21 pm

    Medical researchers have identified the likely origin of the cross-reactivity between cypress pollen, peaches and citrus fruits. Their work has shown that these sources contain allergens belonging to a new family of proteins involved in pollen food associated syndrome. This discovery paves the way for the development of novel allergy diagnostic tests. […]

  • Citrus fruits were the clear status symbols of the nobility in the ancient Mediterranean
    on August 18, 2017 at 1:21 pm

    New research reveals that citrons and lemons were status symbols for the ancient Roman ruling elite. It also plots the route and evolution of the citrus trade in the ancient Mediterranean. […]

  • Spider silk protein may be useful for engineering artificial cardiac tissue
    on August 18, 2017 at 1:20 pm

    Ever more people are suffering from cardiac insufficiency. The main cause of reduced cardiac functionality lies in the irreversible loss of cardiac muscle cells due to disease, especially ischemic diseases such as cardiac infarction. There is still no treatment to reverse damage of this nature. Research is ongoing to develop methods of repairing such damage to normalize cardiac function. A promising approach: cardiac muscle tissue made of spider silk. […]

  • In search of Edwards' pheasant: Amost extinct?
    on August 17, 2017 at 11:09 pm

    Scientists say we need to improve our information about little-known species to reduce the risk of one going extinct just because no-one is interested in looking for it. […]

  • The laws of attraction: Pheromones don't lie, fruit fly research suggests
    on August 17, 2017 at 9:00 pm

    For the first time, scientists have shown that a female fruit fly's pheromone signals can actually tell males how much energy her body has invested in egg production versus in storing away energy for her own survival. And it's a signal that she can't change in order to make herself more attractive. […]

  • Disrupted gut microbiome makes children more susceptible to amoebic dysentery
    on August 17, 2017 at 6:18 pm

    Children with lower diversity of microbial species in their intestines are more susceptible to severe infection with the Entamoeba histolytica parasite, according to a new study. […]

  • Gene that makes large, plump tomatoes identified
    on August 17, 2017 at 6:18 pm

    Farmers can grow big, juicy tomatoes thanks to a mutation in the cell size regulator gene that occurred during the tomato domestication process. […]

  • Worm atlas profiles gene readouts in every cell type in the animal
    on August 17, 2017 at 6:18 pm

    A worm atlas has been built that profiles gene readouts for every kind of cell in the animal. This is the first time this type of comprehensive profiling for a multi-cellular organism has been created. The study was conducted at a larval stage of the roundworm C. elegans. The resource should have many uses, such as for studies on how genetic instructions guide the formation of body parts. […]

  • Non-toxic, lubricant-infused coatings deter mussels and prevent their attachment by disrupting...
    on August 17, 2017 at 6:17 pm

    Mussels are one of the worst perpetrators of biofouling, or the unwanted accumulation of organisms on underwater structures. A team of scientists has demonstrated that a lubricant-infused surface effectively prevents mussels from sticking by masking the solid surface with a layer of liquid. […]

  • Super-photostable fluorescent labeling agent for super-resolution microscopy
    on August 17, 2017 at 6:17 pm

    Chemists have developed a super-photostable fluorescent dye, PhoxBright 430 (PB430), to visualize cellular ultrastructure by super resolution microscopy. The exceptional photostability of this new dye enables continuous STED imaging and together with its ability to fluorescently label proteins, PB430 demonstrates its use in the 3D construction and multicolor imaging of biological structures. […]

  • Bacteria stab amoebae with micro-daggers
    on August 17, 2017 at 6:15 pm

    Researchers have discovered a type of bacteria that uses tiny daggers to prevent itself from being eaten by amoebae. The scientists also resolved the three-dimensional structure of the mechanism that allows the micro-daggers to be shot quickly. […]

  • Female mouse embryos actively remove male reproductive systems
    on August 17, 2017 at 6:15 pm

    A protein called COUP-TFII determines whether a mouse embryo develops a male reproductive tract, according to new research. The discovery changes the long-standing belief that an embryo will automatically become female unless androgens, or male hormones, in the embryo make it male. […]

  • Antibiotics found to weaken body's ability to fight off disease
    on August 17, 2017 at 6:15 pm

    Adding another reason for doctors to avoid the overuse of antibiotics, new research shows that a reduction in the variety of microbes in the gut interferes with the immune system's ability to fight off disease. […]

  • Viruses and aphids that help crops? Scientists think it may be possible
    on August 17, 2017 at 5:59 pm

    Scientists are making an effort to help corn stand up to stress brought on by drought and disease by using viruses and aphids to activate desirable traits. It’s speculative research that could yield new insight into how viruses, insects and plants interact. […]

  • Hemorrhagic fevers: Countering inflammation to prevent circulatory failure
    on August 17, 2017 at 4:23 pm

    Hemorrhagic fevers are severe viral diseases that are often fatal. Researchers have now identified messenger substances of the immune system, which in infected mice lead to the development of shock. […]

  • Reed warblers have a sense for magnetic declination
    on August 17, 2017 at 4:21 pm

    Researchers recently showed that migratory reed warblers depend on an internal geomagnetic map to guide them on their long-distance journeys. But it wasn't clear how the birds were solving the difficult 'longitude problem,' determining where they were along the east-west axis and which way to go. The team's latest report shows birds rely on changes from east to west in magnetic declination, the angular difference between geographic north and magnetic north. […]

  • Peroxisomes identified as 'fighters' in the battle against bacterial infections
    on August 17, 2017 at 4:21 pm

    Peroxisomes are required for cells in the innate immune response to bacteria and fungi. Now scientists have found that peroxisomes are necessary for proper functioning of the innate immune system, the body's first line of defense against microorganisms. […]

  • Slowing dangerous bacteria may be more effective than killing them
    on August 17, 2017 at 4:21 pm

    A new study suggests it may be possible to slow dangerous infections by manipulating the messages microbes send to one another, allowing the body to defeat an infection without causing the bacteria to develop resistance to the treatment. […]

  • Ray of hope for more abundant wheat crops
    on August 17, 2017 at 4:21 pm

    Using infrared gas analyzers connected to a miniature controlled environment chamber, botanists have simulated a sudden increase in sunlight following shade, and measured the time it took for the plant to regain its maximum photosynthesis efficiency and take full advantage of the extra energy from light. They found it took about 15 minutes for photosynthesis to reach maximum efficiency. […]

  • Olfactory receptors that enable ants to smell and recognize workers, males, and their queen...
    on August 17, 2017 at 4:21 pm

    To reign supreme in a colony, queen ants exude a special scent, or pheromone, on the waxy surface of their body that suppresses ovary development in their sisters, rendering the latter reproductively inactive workers that find food, nurse the young and protect the colony. Now, researchers have begun to unravel the molecular mechanisms behind how ants sense these pheromones and how they control reproduction regulation and other social activities in ant communities. […]