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Categories: Biology: Molecular, Space: Structures and Features
Published Connecting the dots to shape growth forces
(via sciencedaily.com) Original source Branching patterns are prevalent in our natural environment and the human body, such as in the lungs and kidneys. For example, specific genes that express growth factor proteins are known to influence the development of the lungs' complex branches. Researchers have unveiled a regulatory system linking signal, force, and shape in mouse lung structure development. The team recognized that the signal protein ERK plays an active role in causing growing lung tissue to curve.
Published ALMA finds new molecular signposts in starburst galaxy
(via sciencedaily.com) Original source The ALMA radio telescope has detected more than 100 molecular species, including many indicative of different star formation and evolution processes, in a galaxy where stars are forming much more actively than in the Milky Way. This is far more molecules than were found in previous studies. Now the team will try to apply this knowledge to other galaxies.
Published Astronomers conduct first search for forming planets with new space telescope
(via sciencedaily.com) Original source Planets form in disks of dust and gas called protoplanetary disks that whirl around a central protostar during its final assembly.
Published Persistent hiccups in a far-off galaxy draw astronomers to new black hole behavior
(via sciencedaily.com) Original source Astronomers have found that a previously quiet black hole, which sits at the center of a galaxy about 800 million light years away, has suddenly erupted, giving off plumes of gas every 8.5 days before settling back to its normal, quiet state.
Published New technique for predicting protein dynamics may prove big breakthrough for drug discovery
(via sciencedaily.com) Original source Understanding the structure of proteins is critical for demystifying their functions and developing drugs that target them. To that end, a team of researchers has developed a way of using machine learning to rapidly predict multiple protein configurations to advance understanding of protein dynamics and functions.
Published Astronomers unveil strong magnetic fields spiraling at the edge of Milky Way's central black hole
(via sciencedaily.com) Original source A new image from the Event Horizon Telescope (EHT) collaboration has uncovered strong and organized magnetic fields spiraling from the edge of the supermassive black hole Sagittarius A* (Sgr A*). Seen in polarized light for the first time, this new view of the monster lurking at the heart of the Milky Way Galaxy has revealed a magnetic field structure strikingly similar to that of the black hole at the center of the M87 galaxy, suggesting that strong magnetic fields may be common to all black holes.
Published 'Cosmic cannibals' expel jets into space at 40 percent the speed of light
(via sciencedaily.com) Original source Astronomers have measured the speed of fast-moving jets in space, crucial to star formation and the distribution of elements needed for life. The jets of matter, expelled by stars deemed 'cosmic cannibals', were measured to travel at over one-third of the speed of light -- thanks to a groundbreaking new experiment.
Published Sleeping supermassive black holes awakened briefly by shredded stars
(via sciencedaily.com) Original source Astronomers have concluded that an obscure class of galaxies known as Compact Symmetric Objects, or CSOs, are not young as previously thought but rather lead relatively short lives.
Published Researchers show that introduced tardigrade proteins can slow metabolism in human cells
(via sciencedaily.com) Original source Tardigrade proteins are potential candidates in technologies centered on slowing the aging process and in long-term storage of human cells.
Published Discovery of amino acid unveils how light makes plants open
(via sciencedaily.com) Original source Scientists have uncovered a unique mechanism that regulates the opening of stomata in plants. Phosphorylation of the amino acid Thr881 on the plasma membrane proton pump plays a key role in this process. The study paves the way for the targeted manipulation of plant physiology, with potential applications in agriculture and environmental sustainability.
Published Tiniest 'starquake' ever detected
(via sciencedaily.com) Original source An orange dwarf star has yielded the tiniest 'starquakes' ever recorded, measured by an international team of scientists.
Published Astronomers discover 49 new galaxies in under three hours
(via sciencedaily.com) Original source New work aimed to study the star-forming gas in a single radio galaxy. Although the team didn't find any star-forming gas in the galaxy they were studying, they instead discovered other galaxies while inspecting the data. In total, the gas of 49 galaxies was detected.
Published Natural recycling at the origin of life
(via sciencedaily.com) Original source How was complex life able to develop on the inhospitable early Earth? At the beginning there must have been ribonucleic acid (RNA) to carry the first genetic information. To build up complexity in their sequences, these biomolecules need to release water. On the early Earth, which was largely covered in seawater, that was not so easy to do.
Published Two of the Milky Way's earliest building blocks identified
(via sciencedaily.com) Original source Astronomers have identified what could be two of the Milky Way's earliest building blocks: Named 'Shakti' and 'Shiva', these appear to be the remnants of two galaxies that merged between 12 and 13 billion years ago with an early version of the Milky Way, contributing to our home galaxy's initial growth. The new find is the astronomical equivalent of archeologists identifying traces of an initial settlement that grew into a large present-day city.
Published As we age, our cells are less likely to express longer genes
(via sciencedaily.com) Original source Aging may be less about specific 'aging genes' and more about how long a gene is. Many of the changes associated with aging could be occurring due to decreased expression of long genes, say researchers. A decline in the expression of long genes with age has been observed in a wide range of animals, from worms to humans, in various human cell and tissue types, and also in individuals with neurodegenerative disease. Mouse experiments show that the phenomenon can be mitigated via known anti-aging factors, including dietary restriction.
Published Natural molecule found in coffee and human body increases NAD+ levels, improves muscle function during aging
(via sciencedaily.com) Original source A research consortium made a recent discovery that the natural molecule trigonelline present in coffee, fenugreek, and also in the human body, can help to improve muscle health and function.
Published Decoding the plant world's complex biochemical communication networks
(via sciencedaily.com) Original source A research team has begun translating the complex molecular language of petunias. Their grammar and vocabulary are well hidden, however, within the countless proteins and other compounds that fill floral cells. Being rooted to the ground, plants can't run away from insects, pathogens or other threats to their survival. But plant scientists have long known that they do send warnings to each other via scent chemicals called volatile organic compounds.
Published Scientists find one of the most ancient stars that formed in another galaxy
(via sciencedaily.com) Original source The first generation of stars transformed the universe. Inside their cores, simple hydrogen and helium fused into a rainbow of elements. When these stars died, they exploded and sent these new elements across the universe. The iron running in your veins and the calcium in your teeth and the sodium powering your thoughts were all born in the heart of a long-dead star.
Published Quantum tornado provides gateway to understanding black holes
(via sciencedaily.com) Original source Scientists have created a giant quantum vortex to mimic a black hole in superfluid helium that has allowed them to see in greater detail how analogue black holes behave and interact with their surroundings.
Published Astrophysicist's research could provide a hint in the search for dark matter
(via sciencedaily.com) Original source Dark matter is one of science's greatest mysteries. Although it is believed to make up about 85 percent of the cosmos, scientists know very little about its fundamental nature. Research provides some of the most stringent constraints on the nature of dark matter yet. It also revealed a small hint of a signal that, if real, could be confirmed in the next decade or so.