Current Bacterial Infections News and Events | Page 2

Current Bacterial Infections News and Events, Bacterial Infections News Articles.
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Novel effector biology research provides insights into devastating citrus greening disease
Ma and her colleagues at the University of California and the University of Florida used molecular plant pathology approaches to dissect the mechanisms of the ongoing tug-of-war between the citrus host and the bacterial pathogen that causes citrus greening disease. (2021-01-21)

Breakthrough in understanding 'tummy bug' bacteria
Scientists have discovered how bacteria commonly responsible for seafood-related stomach upsets can go dormant and then ''wake up''. (2021-01-20)

Message in a bottle: Info-rich bubbles respond to antibiotics
In a new study, Luis H. Cisneros and his colleagues describe the effects of antibiotics on membrane vesicles, demonstrating that such drugs actively modify the properties of vesicle transport. Under the influence of antibiotics, MVs were produced and released by bacteria in greater abundance and traveled faster and further from their origin. The work sheds new light on these important information-carrying entities, implicated in many cellular communication processes, including antibiotic resistance. (2021-01-20)

Scientists present novel approach for monitoring freshwater health
Researchers have used the world's smallest, smartphone-sized DNA sequencing device to monitor hundreds of different bacteria in a river ecosystem. (2021-01-19)

Study finds COVID-19 attack on brain, not lungs, triggers severe disease in mice
Georgia State University biology researchers have found that infecting the nasal passages of mice with the virus that causes COVID-19 led to a rapid, escalating attack on the brain that triggered severe illness, even after the lungs were successfully clearing themselves of the virus. (2021-01-19)

Unlocking 'the shape of water' in mechanisms of antibiotic resistance
Researchers captured and comparted hi-res images of ribosome structures from sensitive and resistant bacteria and report that a water molecule needed for antibiotic binding was not present in the ribosomes from the drug-resistant bugs. (2021-01-19)

COVID-19 has multiple faces
Scientists from the German Center for Neurodegenerative Diseases (DZNE) and the University of Bonn have found that COVID-19 comprises at least five different variants. These differ in how the immune system responds to the infection. (2021-01-18)

Novel organoid models: Illuminating path to cervical cancers
How do tumors develop in the cervix? Many new details are now known about this question. This is also thanks to Dr. Cindrilla Chumduri from the Biocentre at the University of Würzburg. (2021-01-18)

Students returning home may have caused 9,400 secondary COVID-19 infections across UK
A student infected with COVID-19 returning home from university for Christmas would, on average, have infected just less than one other household member with the virus, according to a new model devised by mathematicians at Cardiff University and published in Health Systems. (2021-01-17)

DNA test can quickly identify pneumonia in patients with severe COVID-19, aiding faster treatment
Researchers have developed a DNA test to quickly identify secondary infections in COVID-19 patients, who have double the risk of developing pneumonia while on ventilation than non-COVID-19 patients. (2021-01-15)

NIH scientists identify nutrient that helps prevent bacterial infection
Scientists studying the body's natural defenses against bacterial infection have identified a nutrient--taurine--that helps the gut recall prior infections and kill invading bacteria, such as Klebsiella pneumoniae (Kpn). The finding, published in the journal Cell by scientists from five institutes of the National Institutes of Health, could aid efforts seeking alternatives to antibiotics. (2021-01-15)

Esophageal cancer patients show abundance of oral pathogens
DNA from various oral bacterial pathogens has been found in tumors from esophageal cancer patients. Researchers led by Tokyo Medical and Dental University (TMDU) examined bacterial pathogens in plaque and saliva from esophageal cancer patients, determining that a prevalence of three species in particular, along with alcohol consumption, is associated with a high risk of esophageal cancer. Screening of oral pathogens could therefore be used for early disease detection. (2021-01-14)

Toadlet peptide transforms into a deadly weapon against bacteria
Researchers at the Technion - Israel Institute of Technology and the European Molecular Biology Laboratory in Hamburg have discovered remarkable molecular properties of an antimicrobial peptide from the skin of the Australian toadlet. The discovery could inspire the development of novel synthetic drugs to combat bacterial infections (2021-01-14)

Researchers show Irish soil can offer more hope in fight against antibiotic resistance
Scientists who highlighted the bug-busting properties of bacteria in Northern Irish soil have made another exciting discovery in the quest to discover new antibiotics. (2021-01-14)

Study: Colleges can prevent 96% of COVID-19 infections with common measures
The combined effectiveness of three COVID-prevention strategies on college campuses--mask-wearing, social distancing, and routine testing--are as effective in preventing coronavirus infections as the Pfizer and Moderna vaccines approved by US FDA, according to a new study from Case Western Reserve University. (2021-01-13)

Bacteria carried by mosquitos may protect them against pesticides
Mosquitoes are transmitters of several diseases and pesticides are used to control their numbers in many countries. New study finds Wolbachia - a bacteria commonly found in insects - appears to protect them against these pesticides. (2021-01-13)

Evolution in a test tube: these bacteria survive on deadly copper surfaces
The descendants of regular wild-type bacteria can evolve to survive for a long time on metallic copper surfaces that would usually kill them within a few minutes. An international research team led by Martin Luther University Halle-Wittenberg (MLU) and the Bundeswehr Institute of Microbiology was able to produce these tiny survivalists in the lab and has been able to study them more closely. The team reports on its findings in Applied and Environmental Microbiology. (2021-01-13)

Poor gut health connected to severe COVID-19, new review shows
In a review published this week in mBio, researchers examined emerging evidence suggesting that poor gut health adversely affects COVID-19 prognosis. (2021-01-12)

Monash University leads breakthrough against antibiotic-resistance
New research published today has discovered how to revert antibiotic-resistance in one of the most dangerous superbugs. (2021-01-12)

How will SARS-CoV-2 severity change in the next decade?
What will the SARS-CoV-2 outbreak look like ten years from now as it passes from pandemic to endemic, maintained at a constant baseline level in populations without being fueled by outside infections? (2021-01-12)

Reviewing the evidence for cloth mask use among health care workers
A rapid, evidence-based review summarizes the effectiveness of cloth masks in protecting health care clinicians from respiratory viral infections, such as COVID-19. Nine studies were included in the review, and all but one were conducted prior to the COVID-19 pandemic. (2021-01-12)

Discovery pinpoints new therapeutic target for atopic dermatitis
Researchers from Trinity College Dublin have discovered a key mechanism underlying bacterial skin colonisation in atopic dermatitis, which affects millions around the globe. By identifying a major mechanism through which Staphylococcus aureus binds to the skin of patients with AD the team has opened the possibility of targeting this pathway as a therapeutic option in AD. (2021-01-11)

Scientists from St. Petersburg University discovered the virus-like particles in Bryozoa
Scientists from Russia, Austria, and the USA have discovered virus-like particles in the bacterial symbionts of Bryozoa -- a phylum of colonial aquatic invertebrates - filter-feeders dominating in many bottom ecosystems. Some of the virus-like particles resemble red blood cells, while others have a sea-urchin-like appearance. (2021-01-08)

Where antibiotic resistance comes from
By comparing thousands of bacterial genomes, scientists in Gothenburg, Sweden have traced back the evolutionary history of antibiotic resistance genes. In almost all cases where an origin could be determined, the gene started to spread from bacteria that, themselves, can cause disease. (2021-01-07)

Response to infection therapy better understood thanks to a new technique
A sequencing-based solution can be utilised to determine infection clearance and microbiota recovery. Next, the researchers will apply the technique to investigate the coronavirus disease. (2021-01-07)

Simple bioreactor makes 'gut check' more practical
Rice University and Baylor College of Medicine researchers develop lab tool to mimic conditions in intestines, giving them a mechanical model for the real-time growth of bacterial infections. (2021-01-07)

Resist the resistance: fighting the good fight against bacteria
Drug-resistant bacteria could lead to more deaths than cancer by 2050, according to a report commissioned by the United Kingdom in 2014 and jointly supported by the U.K. government and the Wellcome Trust. In an effort to reduce the potential infection-caused 10 million deaths worldwide, Penn State researcher Scott Medina has developed a peptide, or small protein, that can target a specific pathogen without damaging the good bacteria that bolsters the immune system. (2021-01-06)

Shiga toxin's not supposed to kill you
E. coli food poisoning is one of the worst food poisonings, causing bloody diarrhea and kidney damage. But all the carnage might be just an unintended side effect, report researchers from UConn Health. Their findings might lead to more effective treatments for this potentially deadly disease. (2021-01-06)

New imaging method reveals if antibiotics reach bacteria hiding in tissues
Researchers at the Francis Crick Institute and the University of Western Australia have developed a new imaging method to see where antibiotics have reached bacteria within tissues. The method could be used to help develop more effective antibiotic treatments, reducing the risk of antibiotic resistance. (2021-01-05)

New bacterial culture methods could result in the discovery of new species
A new microbial study explored the bacterial diversity of the Tabernas Desert located in the south-eastern Spain. Using simple tweaks of the traditional bacterial culture methods, the researchers isolated more than 250 bacterial strains of which 80 could be possible new bacteria species. (2021-01-05)

Estimation of US SARS-CoV-2 infections, symptomatic infections, hospitalizations, deaths
Data from public health surveillance of reported COVID-19 cases and seroprevalence surveys were used in this observational study that reports an estimated 46.9 million SARS-CoV-2 infections, 28.1 million symptomatic infections, 956,174 hospitalizations and 304,915 deaths occurred in the U.S. through November 15, 2020. (2021-01-05)

Severe sepsis predicted by common protein
A sugar-binding protein could fuel terrible inflammation and worsen sepsis, a disease that kills more than 270,000 people every year in the US alone, reports a team of researchers led by immunologists at UConn Health. (2021-01-04)

Bacteriophage has important role in agriculture and aquaculture
Crop plants and animals can be infected by bacterial pathogens that reduce yield, cause food wastage, and carry human pathogens that spread disease on consumption. Bacteriophage can play an important role in microbial control (2021-01-04)

Scientists turned toxic pesticide into treatment against antibiotic-resistant bacteria
Russian scientists from Kaliningrad and St. Petersburg have synthesized nitrogen-containing cyclic compounds that differ only in the relative position of side substituents. They are analogs of pesticides which are toxic and carcinogenic to humans, but the modifications allowed turning them into a powerful weapon against bacteria resistant to most antibiotics. (2020-12-29)

Groups of bacteria can work together to better protect crops and improve their growth
Certain bacteria, known as plant-growth-promoting bacteria (PGPB), can improve plant health or protect them from pathogens and are used commercially to help crops. To further improve agricultural yields, it is helpful to identify factors that can improve PGPB behavior. (2020-12-28)

Gut cells sound the alarm when parasites invade
When the parasite Cryptosporidium enters the body, it's cells in the intestines that first recognize the invader, triggering an early immune response, according to a new study led by a team from the University of Pennsylvania. A leading cause of diarrheal disease in young children globally, the parasite generates an inflammatory response beginning in the intestines that exacerbates the effects of malnutrition. (2020-12-28)

Wistar reports new class of antibiotics active against a wide range of bacteria
Wistar Institute scientists have discovered a new class of compounds that uniquely combine direct antibiotic killing of pan drug-resistant bacterial pathogens with a simultaneous rapid immune response for combatting antimicrobial resistance (AMR). These finding were published today in Nature. (2020-12-23)

With COVID exacerbating superbug threat, researchers ID new weapon
Researchers have discovered a compound capable of pushing through barriers used by Gram-negative bacteria to resist antibiotics, damaging the bugs and preventing them from spreading. (2020-12-23)

Too much of a good thing - persistent IFNγ depletes progenitor blood cells via BST2
Long-term exposure to IFNγ stimulates the production of protein BST2 on blood stem cells, which resulted in their emergence from the quiescent state, persistent proliferation and finally exhaustion. (2020-12-22)

Secondary bloodstream infections associated with severe COVID-19
People with severe COVID-19 and a secondary blood infection were significantly sicker upon hospital admission, had longer hospital stays and poorer outcomes, according to a Rutgers study. (2020-12-22)

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