Last update Urine testing of people with HIV for tuberculosis can save lives and be cost-effective, 1 hour ago
Cellular signaling pathways involved in everything from the proliferation of fatty tissue to the death of neurons in the brain are tightly regulated by "cascades" of sequentially activated enzymes, MAP kinases. These enzymes ...
The enzyme DNA primase synthesizes the RNA primers essential to initiate the replication of our genomes.
The environments where bacteria thrive in our bodies are very different from those in which they're tested in the lab, and that can be a problem. Sriram Chandrasekaran, assistant professor of biomedical engineering at the ...
By combining deep learning algorithms and statistical methods, investigators from the Institute of Evolutionary Biology (IBE), the Centro Nacional de Análisis Genómico (CNAG-CRG) of the Centre for Genomic Regulation (CRG) ...
A team of researchers at the Max Planck Institute for Evolutionary Anthropology has found evidence that suggests there has been no long-term removal of Neandertal DNA from modern Europeans. In their paper published in Proceedings ...
Researchers at the MRC Weatherall Institute of Molecular Medicine (MRC WIMM) have developed technology that allows scientists to explore the complex 3-D structure of DNA in Virtual Reality. In a newly published pre-print, ...
How do you make yeast work harder? Not to make bread, but in processes that yield chemicals and pharmaceuticals. Industries currently use a yeast called Saccharomyces cerevisiae. They'd like it to work better. The answer ...
Why do distinct species have different proteins? Is there a key that allows eukaryotic cells to produce proteins involved in multicellularity that are mostly absent in prokaryotes? These are some of the questions addressed ...
In the January 7th edition of Communications Biology, researchers at InsideOutBio argue that an unusual form of DNA with a reverse twist may have helped thwart the invasion of the human genome by junk DNA. This mechanism ...
Bacteria have a number of well-known tricks available to them to adapt to changing environments, such as mutation and sharing snippets of DNA with each other. Less studied is a mechanism that allows bacteria to hedge their ...
Aging bodies undergo biological changes that cause a decline in the function of cells and tissues. However, most studies attempting to identify molecules involved in age-related dysfunctions have focused only on mechanisms ...
DNA is a molecular manual that contains instructions for building life. And, like any manual, DNA isn't all that useful if it remains unopened and unread. In order to transcribe DNA, the enzyme RNA polymerase, or RNAP, must ...
Genes contain all the information needed for the functioning of cells, tissues and organs. Gene expression, meaning when and how the genes are read and executed, is thoroughly regulated like an assembly line with several ...
Researchers have identified over 5,700 new proteins in rice and are calling for a global effort to find the remaining missing proteins, in a new study co-authored by Macquarie University.
How smart is the form of artificial intelligence known as deep learning computer networks, and how closely do these machines mimic the human brain? They have improved greatly in recent years, but still have a long way to ...
A mechanically compromised skull can result from enlarged fontanelles and smaller frontal bones due to defective migration and differentiation of osteoblasts in the skull primordia (developing skull). The Wnt/Planar cell ...
Diet choice of animal species is highly variable. Some species are specialists feeding only on one food source, such as a sugar-rich fruit or protein-rich meat. Other species, like humans, are generalists that can feed on ...
DNA regions susceptible to breakage and loss are genetic hot spots for important evolutionary changes, according to a Stanford study. The findings may lead to new understanding of human evolution.
Like other professionals, scientists like to be the best at what they do, but they also like to have fun in their job. And in 2018, my colleagues managed just that in claiming a record for decoding the world's longest DNA ...
Bioinformatics researchers at Heinrich Heine University Düsseldorf (HHU) and the University of California at San Diego (UCSD) are using machine learning techniques to better understand enzyme kinetics and thus also complex ...
As New Year's Eve approaches, many people will experience the familiar buzz that comes from imbibing a favorite cocktail or glass of wine.
No matter what form cancer takes in the body, it starts at the cellular level and grows via metabolism run amok.
When a hungry worm encounters a rich food source, it immediately slows down so it can devour the feast. Once the worm is full, or the food runs out, it will begin roaming again.
Proteins do most of the real work in cells and are modified in accordance with functional requirements. An LMU team has now shown how proteins are chemically altered on the ribosome, even before they fold into the active ...
A library based at A*STAR containing more than 160,000 biological specimens is a treasure trove of biologically active compounds for wide ranging applications.
In cell biology, men and women are unequal: men have an X chromosome, while women have two. How can we get around this difference? Geneticists from the University of Geneva (UNIGE), Switzerland, turned to some historic research ...
As a principal investigator in the NASA Ames Exobiology Branch, Andrew Pohorille is searching for the origin of life on Earth, yet you won't find him out in the field collecting samples or in a laboratory conducting experiments ...
Gene trees, much like family trees, trace the lineage of a particular gene from its deep ancestral roots to its still-growing branches. By comparing gene trees to species trees, which map the evolutionary history of species, ...
A characteristic feature of modern humans is the unusually round skull and brain, in contrast to the elongated shape seen in other human species. By studying Neandertal DNA fragments found in the genomes of living Europeans, ...
An international team led by Institute researchers has visualised the unique molecular 'key' used by the world's deadliest malaria parasite, Plasmodium falciparum, to enter and infect human blood cells.
The human genome contains regions that "code" for proteins, which means they have instructions to make protein molecules with specific functions in the body. But Yale researchers have discovered several protein-coding genes ...
Microorganisms perform key functions in ecosystems, and their diversity reflects the health of their environment. However, they are still largely under-exploited in current biomonitoring programs because they are difficult ...
What if the key to perfecting the human species were actually … yogurt?
Scientists at Kyushu University and Tokyo Institute of Technology in Japan have developed a technique that enables analysis of DNA-protein interactions using very small numbers of cells, ranging from 100 to 1,000. Their method ...
Animals are much better at smelling a complex "soup" of odorants rather than a single pure ingredient, a new study by the University of Sussex has revealed.
For their vital tasks, all RNA molecules require proteins as binding partners. Scientists at the German Cancer Research Center (Deutsches Krebsforschungszentrum, DKFZ) and colleagues from the European Molecular Biology Laboratory ...
Researchers at Johns Hopkins Medicine have developed a new molecular tool they call EXoO, which decodes where on proteins specific sugars are attached—a possible modification due to disease. The study, published in issue ...
The discovery of CRISPR-Cas9 has made gene editing very easy. Unfortunately, the molecular tool has recently been found to be less precise than previously assumed. It can lead to unwanted mutations in a cell's DNA. Researchers ...
Researchers from the Department of Genetics, Microbiology and Statistics and the Institute of Biomedicine of the University of Barcelona (UB), in collaboration with the Centre for Genomic Regulation (CRG), have described ...
Scientists often try to understand important processes in the cell by interfering and observing what happens. But often the cell just dies.
Inside the microbial communities that populate our world, microbes are fighting for their lives.
Microbes are single-cell organisms that are too small to be seen with the naked eye. Yet while relatively inconspicuous, they are the dominant life form on our planet.
Almost 90 years ago on a freezing January morning, the keepers of the Stockholm Zoo in Sweden discovered a dead seal pup in their seal pond. The pup was immediately recognized as a bastard—a hybrid between species that ...
The question of how quickly the universe is expanding has been bugging astronomers for almost a century. Different studies keep coming up with different answers—which has some researchers wondering if they've overlooked ...
Three-dimensional (3-D) printing, also known as additive manufacturing (AM), can transform a material layer by layer to build an object of interest. 3-D printing is not a new concept, since stereolithography printers have ...
A new, simple, and inexpensive method that uses ultraviolet light to control particle motion and assembly within liquids could improve drug delivery, chemical sensors, and fluid pumps. The method encourages particles—from ...
Many wearable biosensors, data transmitters and similar tech advances for personalized health monitoring have now been "creatively miniaturized," says materials chemist Trisha Andrew at the University of Massachusetts Amherst, ...
Populations of coastal cutthroat trout and coastal giant salamanders in the Pacific Northwest show the ability to rebound quickly from drought conditions, new research by Oregon State University suggests.
Including the powerful ALMA into an array of telescopes for the first time, astronomers have found that the emission from the supermassive black hole Sagittarius A* at the center of the galaxy comes from a smaller region ...
Many organisms including insects, amphibians and yeasts use sex pheromones for attracting individuals of the opposite sex, but what happens to sex pheromones as new species emerge? New research publishing January 22 in the ...
A study from Indiana University has found that trees influence whether soil can remove or emit gases that cause smog, acid rain and respiratory problems.
A study, led by the University of Bristol, has shed some new light on how the beaks of birds have adapted over time.
After slowly forming stars for the first few billion years of their lives, the Magellanic Clouds, near neighbors of our own Milky Way galaxy, have upped their game and are now forming new stars at a fast clip. This new insight ...
A McGill-led international research team provides the first experimental and theoretical proof that it is possible to form strong, stable attractions between some of the heavier elements in the periodic table—such as arsenic ...
Each year, migratory birds journey from their breeding grounds to their wintering grounds, making pit stops along the way.
An international research team led by the University of Liverpool and McMaster University has made a significant breakthrough in the search for new states of matter.
Advanced technologies that read long strings of DNA can produce flawed data that could affect genetic studies, research suggests.
A team of researchers based at the Universities of Oxford and Edinburgh have recreated for the first time the famous Draupner freak wave measured in the North Sea in 1995.
Big earthquakes appear to follow a brief episode of "shallow mantle creep" and "seismic swarms," suggests new research at Oregon State University that offers an explanation for the foreshocks observed prior to large temblors.
The faint, ephemeral glow emanating from the planetary nebula ESO 577-24 persists for only a short time—around 10,000 years, a blink of an eye in astronomical terms. ESO's Very Large Telescope captured this shell of glowing ...
A new, groundbreaking tool for visualizing neural activity has implications for understanding brain functions and disorders, according to new research by University of Alberta scientists and a team of international collaborators.
Researchers have demonstrated for the first time how two molecular strategies can safeguard CRISPR gene-drive experiments in the lab, according to a study published today in eLife.
Corals know how to attract good company. New research finds that corals emit an enticing fluorescent green light that attracts the mobile microalgae, known as Symbiodinium, that are critical to the establishment of a healthy ...
An old thought experiment now appears in a new light. In 1935 Erwin Schrödinger formulated a thought experiment designed to capture the paradoxical nature of quantum physics. A group of researchers led by Gerhard Rempe, ...
The quest for climate scientists to be able to bridge the gap between shorter-term seasonal forecasts and long-term climate projections is coming of age, a study shows.
Forest giants have long been considered the oldest trees in tropical forests, but new research shows small trees can also be very old, and can even grow older than the big ones.
Lab-on-a-chip (LOC) technology could transform medicine in ways comparable with the microprocessor revolution—once it can be manufactured in a scalable, cost-effective way. Researchers in Sweden now report a development ...
Far below the ocean floor, sediments are teeming with bizarre zombie-like microbes. Although they're technically alive, they grow in slow motion, and can take decades for a single cell to divide—something their cousins ...
Synthetic molecules are essential for many products, including medicines, crop protection agents and special materials such as Teflon. These molecules have several components, which can be combined in a variety of ways, resulting ...
A combined team of researchers from Northwestern University and the University of Notre Dame has found that when it comes to the usefulness of social networks in finding good positions after graduation, gender matters. In ...
Research at the University of Arkansas on membrane proteins could lead to better development and testing of drugs. Chemistry researchers studied a type of membrane protein that expels drugs from a cell, contributing to drug ...
The population of Antarctic krill, the favourite food of many whales, penguins, fish and seals, shifted southward during a recent period of warming in their key habitat, new research shows.
Our microbiome, the complex community of bacteria, fungi, parasites, and other microorganisms in and on our bodies, reflects the way we live. If we own a pet, we likely share microbes with them. If we eat meat, the microbiome ...
Find more news articles via sort by date page
