Bacteria
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World
It turned out that there are more bacteria in a reusable water bottle than on a toilet seat
(ORDO NEWS) — Reusable bottles are an eco-friendly solution to the problem of plastic pollution on the Earth. However, as research has shown, such a bottle will pollute… your body with a whole army of bacteria. I don’t want to drink anymore… Studies have shown that reusable bottles can contain 40,000 times more bacteria than…
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World
World’s first mRNA vaccine against deadly bacteria developed
(ORDO NEWS) — For the first time in the world, a team of researchers from Israel has developed an mRNA-based vaccine that is 100% effective against bacterial species that are deadly to humans. mRNA vaccines were developed to protect against viruses such as SARS-CoV-2, and it seemed that such vaccines could not be created against…
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World
Discovery of soil bacteria could allow us to generate electricity from ‘thin air’
(ORDO NEWS) — It may seem surprising, but during difficult times when there is no other food available, some soil bacteria can use traces of hydrogen in the air as a source of energy. In fact, bacteria remove a staggering 70 million tons of hydrogen annually from the atmosphere, a process that literally shapes the…
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Laboratory experiments confirm that bacteria engulf and digest plastic
(ORDO NEWS) — In a series of experiments, Dutch microbiologists have shown that Rhodococcus ruber bacteria can absorb plastic particles and decompose them into carbon dioxide and other harmless substances. This discovery does not eliminate the problem of plastic pollution, but it may answer the question of where some of the plastic waste from the…
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Bacteria were able to sacrifice themselves for the sake of neighbors
(ORDO NEWS) — Many microbes form dense biofilms, living in close and mutually beneficial communities. However, if conditions change, mechanisms of regulated death are triggered in some of the old bacterial cells. This signals to younger microbes that it is time to move to more favorable places. Bacteria often do not live alone, but as…
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Antibiotic-resistant bacteria can migrate through the body
(ORDO NEWS) — Mold is different, as the world learned in 1928. It was then that the Scottish physician and microbiologist Alexander Fleming, by chance, isolated “penicillin” from it, a substance that kills bacteria. It’s hard to believe, but before the discovery of the world’s first antibiotic, bacterial infections meant a death sentence, however, like…
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Hundreds of thousands of tons of bacteria have already entered the environment from melting glaciers
(ORDO NEWS) — Scientists believe that awakened microorganisms can both enrich ecosystems and turn out to be dangerous pathogens. Hundreds of thousands of tons of bacteria are released when glaciers melt. This conclusion was made by the researchers of the scientific project “Disappearing Glaciers”. The scientists collected surface meltwater from eight glaciers in Europe and…
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Scientists show how bacteria help tumors overcome immune defenses and metastasize
(ORDO NEWS) — Cancer has its own microflora, and they work in close alliance. Experiments have confirmed that bacteria reduce the activity of lymphocytes attacking the tumor and stimulate its spread throughout the body. Until recently, it was believed that malignant tumors are sterile. However, in recent years, scientists have found that, like a healthy…
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‘Surprise Cells’ to become new weapon in fight against antibiotic-resistant bacteria
(ORDO NEWS) — Scientists are constantly looking for new ways to deliver antibiotics that can target pathogenic bacteria without affecting beneficial microorganisms and other cells in the body. Now they have managed to adapt our own red blood cells for this: they will become “couriers” that will deliver a potent antibiotic to the target. Polymyxin…
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Magnetic bacteria help fight tumors
(ORDO NEWS) — Swiss scientists have learned to control the movements of iron-containing bacteria by passing them through the walls of blood vessels right to the target. In the future, such microbes will help to deliver targeted drugs to tumor tissue. One of the promising tools for defeating cancer is considered to be means that…
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Bacteria with interesting properties discovered in the caves of Algiers
(ORDO NEWS) — Studies of underground life forms can provide information on how life may develop differently on Earth and whether it can exist on other planets. A research team from the University of Umeå (Sweden) has discovered bacteria with a number of interesting properties in previously unexplored caves at a depth of several hundred…
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Scientists discover unexpected activity in ‘dead’ bacteria
(ORDO NEWS) — Scientists from the University of California have shown for the first time that even when bacteria are physiologically “dead” during hibernation, they still monitor environmental changes in order to wake up in time. The study is published in the journal Science. One of the key secrets of bacterial survival is the ability…
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How half-dead bacteria know it’s time to revive
(ORDO NEWS) — Being in a state of spores, covered with a strong shell, bacteria survive adverse conditions, stopping all their life processes. In fact, such a cell is almost dead, but scientists have found that even “dead” bacteria constantly monitor the state of the external environment, reacting even to minor changes in conditions. Unlike…
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Bacteria and fungi can work together to move across the surface of teeth
(ORDO NEWS) — An unusual union of representatives of different domains of the living – fungi and bacteria – allows the microbes of the oral cavity to more reliably hold on to the teeth and move along them, quickly crawling and even making sharp “jumps”. Scientists from the University of Pennsylvania (USA) studied saliva samples…
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Biologists have created a programmable living matter from bacteria
(ORDO NEWS) — The new technology makes it possible to grow colonies of artificial bacteria with a volume of several cubic centimeters. It turns out a jelly-like substance of a certain shape, capable of performing the functions specified in the genome. Biologists from Rice University (USA) have presented a technology for growing living material in…
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Scientists have found that the cause of the death of ancient civilizations could be bacteria that cause plague and typhoid fever
(ORDO NEWS) — Bacteria caused the death of several civilizations four thousand years ago. Such conclusions were made by a group of scientists who discovered the DNA of bacteria that cause typhus and plague in the remains found during excavations. In particular, scientists examined 32 DNA samples from the dental pulp of ancient people who…
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Biologists ‘feed’ bacteria with nanotubes
(ORDO NEWS) — Scientists have been able to introduce carbon nanotubes into bacterial cells, turning them into electrical generators with “inherited nanobionics.” Swiss biologists have demonstrated a method that allows carbon nanotubes to be introduced into bacterial cells. Such microbes can form the basis of new biotechnologies, the creation of living sensors and energy sources.…
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Bacteria-resistant compound found on trees
(ORDO NEWS) — Thai scientists from the University of Portsmouth, as well as the universities of Naresuan and Pibulsongram Rajabhat, have found an organic compound with bacterial resistance to certain microorganisms. The findings of the work are described in an article published in the journal Tropical Medicine and Infectious Disease. The substance hydroquinine, found in…
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Bacteria share information to keep their communities stable
(ORDO NEWS) — Scientists have solved one of the mysteries of microbiology: how communities of microbes maintain their specialization despite changes in species composition. It turned out that bacteria “teach beginners” the desired behavior by simply bombarding them with packages of genetic information. Biologists from Duke University (USA) have proposed a simple explanation of how…
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An antibiotic isolated from tree bark suppressed the growth of even drug-resistant bacteria
(ORDO NEWS) — Antimicrobial resistance in bacteria is one of the biggest public health threats in the world. Scientists are constantly looking for new antibiotics that can cope with resistant microorganisms. And this time they found it in the tree bark. Every year, new strains of bacteria and microorganisms become resistant to antibiotics, making it…
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During metamorphosis, beetle pupae are hidden in the pockets of their symbiont bacteria
(ORDO NEWS) — Scientists have discovered special pockets in female beetle pupae from the genus Lagria, in which they hide symbiotic bacteria during the transformation from larva to adult. During the final transformation of the bacteria, by rubbing the beetle’s body against the cocoon, the pupae are transferred to glands located near the female’s genitals,…
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Science
Lava caves in Hawaii turned out to be a repository of unknown bacteria
(ORDO NEWS) — While studying Hawaiian caves, scientists discovered an unexpected number of previously unknown bacteria and their complex communities. Such ecosystems help to understand what life was like on our planet in the past – and what it could be on Mars. American biologists turned their attention to the volcanic caves of Hawaii because…
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Bacteria dangerous to humans found in pigs
(ORDO NEWS) — Australian scientists from the University of Cambridge have discovered a new strain of antibiotic-resistant bacteria that can affect not only pigs, but also humans. We are talking about the bacteria CC398, which causes methicillin-resistant Staphylococcus aureus (LA-MRSA). Study co-author Gemma Murrain said that over the past few decades, this bacterium has arisen…
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New fuel from bacteria will be more effective than rocket
(ORDO NEWS) — Ordinary soil microbes are able to synthesize a unique organic compound “with teeth” that could become a highly efficient fuel of the future. Fossil fuels oil, gas, coal enable cars to drive, planes to fly, and ships to cross oceans. However, its extraction, processing and use cause considerable harm to the environment.…
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Scientists fear unknown bacteria found by the hundreds in melting glaciers
(ORDO NEWS) — Chinese biologists are exploring the Tibetan ice sheet. In their opinion, unknown bacteria from melting glaciers can pose a danger to all mankind. Researchers at the Chinese Academy of Sciences have discovered about 1,000 species of bacteria in snow and ice samples collected from Tibet’s glaciers. In their paper, published in the…
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Hundreds of unknown bacteria found in the glaciers of Tibet
(ORDO NEWS) — Scientists from the Chinese Academy of Sciences made a statement regarding the fact that those glaciers that are located in the Tibetan Plateau have begun to melt. If the process continues further, then in this case, new types of bacteria that are very dangerous for humanity may be released. It is worth…
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Biologists have studied the connection of a deep-sea snail in the iron armor with bacteria
(ORDO NEWS) — The gastropod Chrysomallon squamiferum, found on the bottom of the Indian Ocean near black smokers, is sometimes referred to as the “iron snail”. And deservedly so: its shell is indeed composed of iron sulfide. The armored mollusk “feeds” on hydrogen sulfide, but for this it needs special bacteria. In the new work,…
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Bacteria in the gut produce substances that impair mental ability
(ORDO NEWS) — Ruminococcus bacteria, which inhabit certain areas of the human intestine, bring their owner not only benefit, but also harm. This was proven by American biologists who closely studied the intestinal microbiome. It turned out that in the process of life, bacteria produce a certain metabolite. Which, at an increased concentration, begins to…
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Intestinal bacteria responsible for brain cell death and cognitive decline with age found
(ORDO NEWS) — A group of American researchers have discovered a molecule produced by bacteria in the intestinal microbiome (including humans) that can enter the brain, causing the death of neurons and other brain cells. The effect is especially noticeable with age, when the number of these bacteria increases markedly, which can lead to a…
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Chilean scientists find antibiotic-resistant bacteria in Antarctica
(ORDO NEWS) — Scientists from the University of Chile have found bacteria in Antarctica that are resistant to antibiotics and substances with antibacterial properties, such as copper and chlorine. As reported on the website of the university, bacteria have genes that provide such resistance. Researchers during 2017 and 2019 collected soil samples in different areas…
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Potentially living bacteria discovered about 830 million years old
(ORDO NEWS) — In a new paper published in the scientific journal Geology, West Virginia University (WVU) geologists report that some microorganisms found inside more than 830 million-year-old halite crystals rock salt from the Brown Formation in Central Australia may still be alive . If the scientists are right, this could help us find life…
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Bacteria in the gut may be responsible for food cravings
(ORDO NEWS) — Food cravings are hard to overcome and sometimes understand. Why do you crave chocolate cake, pickles or cheese at a particular moment of the day? Sometimes this craving makes sense. For example, associations with food and memory can be especially strong, so if you’re heading to the cinema, you might want popcorn.…
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Dangerous bacteria found in organic vegetables
(ORDO NEWS) — Bacteria that cause blindness and encephalitis have been found in organic vegetables. Organic leafy vegetables can contain dangerous bacteria such as Pseudomonas, Salmonella, and Helicobacter and pose a threat to human health. This conclusion was reached by scientists from the Polytechnic University of Valencia, who will talk about their discovery at the…
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