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When bacteria enter the digestive tracts of their hosts, including humans, they encounter a highly acidic environment. Bacteria have evolved elegant mechanisms to survive and colonize this habitat, such as highly resistant ...
When nutrients are dangerously low, a group of bacteria have been found to take the drastic measure of getting rid of their tails.
An invention designed to transform how and where high-powered research microscopes are deployed—and who gets to use them—will make its way from Madison this spring to the fertile biology labs of greater Boston.
A new study identifies a single molecule as a key entry point used by two types of dangerous bacteria to break through cellular barriers and cause disease. The findings, published March 19 in the journal mBio, suggest that ...
For a long time, researchers were only able to examine human cells infected with bacteria by using cancer cell lines. However, these transformed cells often give a false impression of the infection process. Fallopian tube ...
Astronauts leave behind many things when they boldly go. Bacteria, however, stay with them.
Scientists looking at the genetics of Zika virus have found a way to fast-track research which could lead to new vaccines.
Cells in humans and other vertebrates, as well as invertebrates, have signaling pathways that play essential roles in embryo development, cell proliferation and tissue structuring. Dysregulation in one of these signaling ...
Herpes viruses reactivate in more than half of crew aboard Space Shuttle and International Space Station missions, according to NASA research published in Frontiers in Microbiology. While only a small proportion develop symptoms, ...
Cytochrome c is a small enzyme that plays an important role in the production of energy by mitochondria. It is also involved in signaling dangerous problems that warrant apoptosis, or programmed cell death. Using solid-state ...
In his new book, Assembling Life, David Deamer challenges the consensus that life began in the ocean and presents an alternative scenario, based on his research, in which life began in freshwater hot springs.
A tree's growth is dependent on nutrients from the soil and water, as well as the microbes in, on, and around the roots. Similarly, a human's health is shaped both by environmental factors and the body's interactions with ...
Researchers at the University of Dundee have provided important new insights into the regulation of cell division, which may ultimately lead to a better understanding of cancer progression.
Fruit flies make for stingy mothers, imparting only a portion of the genetic building blocks their offspring need to survive. The rest must be produced by the fertilized egg in its first few steps of growth.
It's been estimated that the human brain contains roughly 100 billion neurons, together completing countless tasks through countless connections. So how do we make sense of the roles each of these neurons play? As part of ...
In Nature Communications, researchers from Graz in Austria have presented initial approaches to preventing the spread of antibiotic resistance in hospitals.
By slingshotting themselves forward, human cells can travel more than five times faster than previously documented.
Scientists have shown that different segments of a virus genome can exist in distinct cells but work together to cause an infection.
A novel machine-learning 'toolbox' that can read and analyse the sequences of proteins has been described today in the open-access journal eLife.
The nucleus is a treasure trove of biological information that keeps the cell—and thus living organisms—ticking. But many processes within the nucleus remain a mystery to scientists.
The cytoskeleton is a structure that not only helps cells maintain their shape and internal organisation, but also enables them to perform functions like movement and migration to sites far from the place where they originated. ...
The largest ever catalog of bacterial and archaeal microbes commonly populating the human body across worldwide populations has been assembled. This is the main result of a new study coordinated by Nicola Segata and Edoardo ...
Since most of the microbes in our gut are bacteria, they tend to hog much of the microbiome research limelight. But lurking amongst the bacteria are other microbes such as single-cell eukaryotes (SCE) and viruses, which have ...
The TMEM16 family of membrane proteins was hailed as representing the elusive calcium-activated chloride channels. However, the majority of the family members turned out to be scramblases, proteins that shuffle lipids between ...
A team of scientists in Japan has successfully coaxed activity from 28,000-year-old cells from a frozen mammoth implanted into mouse cells, but the woolly mammal is unlikely to be walking among us soon.
Insects are critical contributors to ecosystem functioning, and like most living organisms their co-evolution with microbes has been essential to support these functions. While many insects are infamous for wreaking havoc ...
By targeting a protein found in the saliva of mosquitoes that transmit Zika virus, Yale investigators reduced Zika infection in mice. The finding demonstrates how researchers might develop a vaccine against Zika and similar ...
The use of disinfectants to clean and control infections in hospitals should be regulated in the same way that prescribing antibiotics is, according to researchers from the University of Aberdeen.
A research team led by Nuno Barbosa Morais, group leader at Instituto de Medicina Molecular João Lobo Antunes (iMM) in Lisbon, computationally analysed the expression of marker genes that are associated with a "fingerprint" ...
DNA damage occurs in all cellular organisms. In human cells, it can be caused by the body's normal metabolic activities, by environmental factors or by chemotherapy. During the crucial phase when cells replicate their genetic ...
A team of researchers from Scripps Research and Janssen Research & Development LLC has discovered an orally active small molecule that neutralizes influenza A group 1 viruses, the most common flu strains. Scientists uncovered ...
An experimental drug, called DSM265, cured seven volunteers of a Plasmodium falciparum infection, a malaria parasite that is a major cause of morbidity and mortality worldwide. The goal of this research is to find a cure ...
Pilar Domingo, Ernesto Segredo, María Durán and Rafael Sanjuán from the Institute of Integrated Systems Biology (I²SysBio) have shown that viruses behave altruistically to avoid the immune system. This research, published ...
For decades, one of the strongest weapons against malaria has been a one-two punch: low-tech mosquito bed nets to physically block biting, treated with deadly insecticides to kill the mosquitoes.
A comprehensive analysis of sewage collected in 74 cities in 60 countries has yielded the first comparable global data showing the levels and types of antimicrobial resistant bacteria present in healthy people. The National ...
Researchers from the Stowers Institute for Medical Research have created a novel way to define individual protein associations in a quick, efficient, and informative way. These findings, published in the March 8, 2019, issue ...
"Microbial communities run the world," says Jo Handelsman, director of the Wisconsin Institute for Discovery at the University of Wisconsin–Madison.
Scientists of the D'Or Institute for Research and Education have improved the initial steps of a standard protocol and produced organoids displaying regionalized brain structures, including retinal pigmented cells. Their ...
Accumulated evidence suggests that physical force plays an important role in developmental processes of fertilized animal eggs. During embryogenesis, a variety of cell populations actively migrate and change their positions, ...
Columbia engineers and neuroscientists have joined forces to create 3-D videos of individual nerve cells moving, stretching and switching on inside fruit fly larvae as they move. Data gleaned from these videos reveals how ...
As bacteria continue to demonstrate powerful resilience to antibiotic treatments—posing a rising public health crisis involving a variety of infections—scientists continue to seek a better understanding of bacterial defenses ...
Brown University researchers have developed a new antibacterial coating for intravascular catheters that could one day help to prevent catheter-related bloodstream infections, the most common type of hospital-acquired infection.
During brain development, billions of neuron nerve cells must find their accurate pathway in the brain in order to form trillions of neuronal circuits enabling cognitive, sensory and emotional wellbeing. To achieve this remarkable ...
Researchers at Northeast Normal University, in China, and University of the Basque Country, in Spain, have recently carried out a study investigating the superconducting transition of electrides. The researchers observed ...
Antarctica is a nearly uninhabited, ice-covered continent ravaged by cold, windy, and dry conditions. Virginia Tech researcher Jeb Barrett was part of an international collaborative team that analyzed biodiversity patterns ...
A team of researchers at North Carolina State University has found that people living in the United States tend to set their thermostats to temperatures that mimic natural environmental conditions in parts of Africa. In their ...
Inspired by the flashing colors of the neon tetra fish, researchers have developed a technique for changing the color of a material by manipulating the orientation of nanostructured columns in the material.
In the blockbuster Terminator movie franchise, an evil robot morphs into different human forms and objects and oozes through narrow openings, thanks to its "liquid-metal" composition. Although current robots don't have these ...
Research led by the University of Southampton (UK) suggests that 'rogue' waves are occurring less often, but becoming more extreme.
In the Atlantic Ocean, a giant 'conveyor belt' carries warm waters from the tropics into the North Atlantic, where they cool and sink and then return southwards in the deep ocean. This circulation pattern is an important ...
A new model built in part by a University of Alberta geophysicist contradicts a long-held idea about how the southern and central central Rocky Mountains were formed.
Two isolated mountain lion populations in southern California's Santa Ana and Santa Monica Mountains are at risk of local extinction, perhaps as soon as within 50 years, according to a study published in the journal Ecological ...
Humans are unknowingly adhering to a universal pattern when they flick between apps on their smartphones, scientists have discovered.
Researchers from the University of Huddersfield, with colleagues from the University of Cambridge and the University of Minho in Braga, have been using a genetic approach to tackle one of the most intractable questions of ...
A team of researchers at Université Paris Diderot has found evidence that suggests humans are able to detect via smell which partners are genetically preferable. In their paper published in Proceedings of the Royal Society ...
Light-by-light scattering is a very rare phenomenon in which two photons interact, producing another pair of photons. This process was among the earliest predictions of quantum electrodynamics (QED), the quantum theory of ...
In mobiles, fridges, planes – transistors are everywhere. But they often operate only within a restricted current range. LMU physicists have now developed an organic transistor that functions perfectly under both low and ...
A team of researchers with the Keiki Kohola Project and California State University reports that a recent "blob" of warm water in the Pacific gives marine scientists a preview of the impact of climate change on humpback whales. ...
A team of scientists led by Alida Bailleul and Jingmai O'Connor from the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP) of the Chinese Academy of Sciences reported the first fossil bird ever found with ...
In a little more than seven minutes in the early afternoon of Feb. 18, 2021, NASA's Mars 2020 rover will execute about 27,000 actions and calculations as it speeds through the hazardous transition from the edge of space to ...
The Kaikoura earthquake in New Zealand in 2016 caused widespread damage. LMU researchers have now dissected its mechanisms revealing surprising insights on earthquake physics with the aid of simulations carried out on the ...
If we could tell authentic from counterfeit or adulterated drugs and foods just by looking at them, we could save money and lives every year, especially in the developing world, where the problem is worst. Unfortunately, ...
Researchers working within Pacific Northwest National Laboratory's (PNNL's) Separations Science program succeeded in coupling a highly controlled way of modifying surfaces, called ion soft landing, with a PNNL-designed and ...
A new study reveals that young hen harriers in England suffer abnormally high mortality compared to populations in Orkney and mainland Scotland and provides compelling evidence that the most likely cause is illegal killing ...
A study into the effects of high mechanical pressure on the polyiodide TEAI showed that it brings unusually high electrical conductivity starting from insulating state, suggesting that the material may be useful as a switchable ...
Scientists at Queen Mary University of London have discovered a never before reported behaviour of queen bumblebees.
As an organism grows and responds to its environment, genes in its cells are constantly turning on and off, with different patterns of gene expression in different cells. But can changes in gene expression be passed on from ...
Researchers have discovered what gives human sperm the strength to succeed in the race to fertilise the egg.
A NASA spacecraft that will return a sample of a near-Earth asteroid named Bennu to Earth in 2023 made the first-ever close-up observations of particle plumes erupting from an asteroid's surface. Bennu also revealed itself ...
At precisely 11:48 am on December 18, 2018, a large space rock heading straight for Earth at a speed of 19 miles per second exploded into a vast ball of fire as it entered the atmosphere, 15.9 miles above the Bering Sea.
Rabbits prefer to eat plants with plenty of DNA, according to a new study by Queen Mary University of London and Royal Botanic Gardens, Kew.
Researchers have discovered that a bacterium found in camel crickets is capable of breaking down lignin—the stuff that makes wood tough—opening new research pathways for the development of biofuels and chemical manufacturing. ...
A team of researchers including Northwestern Engineering faculty has expanded the understanding of how virus shells self-assemble, an important step toward developing techniques that use viruses as vehicles to deliver targeted ...
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