All articles by Linda Stewart – Page 50
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NewsSecond round of polio vaccination in the Gaza Strip aims to vaccinate over half a million children
The second round of an emergency polio vaccination campaign is scheduled to start on 14 October 2024 in Gaza, to vaccinate an estimated 591 700 children under ten years of age with a second dose of the novel oral polio vaccine type 2 (nOPV2) vaccine.
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NewsCrews sample lichens in ‘dress rehearsal’ for Martian exploration
During simulated extra-vehicular activities, Mars 160 mission specialists wearing simulated spacesuits scouted out various habitats in two Mars analog stations, seeking out lichen species growing in various microhabitats.
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NewsScientists discover how innate immunity envelops bacteria
The human protein GBP1 fights against bacteria and parasites by enveloping them in a protein coat, but how the substance manages to do this has remained unknown until now. Researchers have unravelled how this protein operates.
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NewsPossible trigger of Crohn’s disease discovered: Dysfunctional mitochondria disrupt gut microbiome
Disruptions of mitochondrial functions have an influence on Crohn’s disease, a connection now revealed by researchers who showed that defective mitochondria in mice trigger symptoms of chronic intestinal inflammation and influence the microbiome.
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NewsResearchers identify signs tied to more severe cases of RSV
In a new study, researchers found an increase in NK cells in the airways of children with severe RSV as well as other alterations that suggest these cells may be contributing to disease severity.
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NewsStudy identifies potential targets for treatment of visceral leishmaniasis
Discovery of a novel class of proteins that help regulate the parasite’s essential cellular functions could lead to the development of more effective drugs against the disease. More than 3,500 new cases are notified each year in Brazil.
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NewsSelfishness mechanism points way to optimizing inhibitors that fight antibiotic resistance
Resistance can be fought by targeting bacteria that are ’selfish’ with their antibiotic resistance tools, according to a new study.
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NewsNew risks raise pandemic threat on a global scale: GPMB warning
A plethora of risks increase the likelihood of new pandemics according to a new report from the Global Preparedness Monitoring Board (GPMB).
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NewsChronic stress accelerates colorectal cancer progression by disrupting balance of gut microbiota
Cutting-edge research has uncovered how chronic stress disrupts the balance of gut microbiota to speed up the progression of colorectal cancer (CRC), opening new avenues for CRC prevention and treatment.
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NewsHidden trails of marine snow can affect how the ocean stores carbon
A new study reveals never-before seen mucus ‘parachutes’ produced by microscopic marine organisms that significantly slow their sinking, putting the brakes on a process crucial for removing carbon dioxide from the atmosphere.
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NewsBetter use of vaccines could reduce antibiotic use by 2.5 billion doses annually, says WHO
A new report finds that vaccines against 24 pathogens could reduce the number of antibiotics needed by 22% or 2.5 billion defined daily doses globally every year, supporting worldwide efforts to address antimicrobial resistance (AMR).
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NewsScientists discover viral trapdoor blocking HIV and herpes
A group of researchers led by Xavier Saelens and Sven Eyckerman at the VIB-UGent Center for Medical Biotechnology discovered how a protein linked to the human immune system wards off HIV-1 and herpes simplex virus-1 by assembling structures in the cell that lure in these viruses and then trap them ...
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NewsResearchers uncover unique photosynthetic mechanisms of purple bacteria
Using cutting-edge techniques, investigators have unveiled intricate detailed images of the key photosynthetic protein complexes of purple bacteria. These images shed new light on how these microorganisms harness solar energy.
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NewsWood-degrading fungal enzymes reprogrammed to biorecycle plastic
Lytic polysaccharide monooxygenases secreted by filamentous fungi break down the surface of cellulose to weaken it and make complete degradation easier, making them perfect candidates for engineering into chimera enzymes for plastic degradation.
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NewsViral messaging can deliver lessons on how infectious diseases spread
A new study explores a hybrid approach to understanding social networks that involves inferring not just social contacts but also the rules that govern how contagion and information spread.
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NewsScientists uncover Chlamydia’s sneak attack strategies
Researchers have described the structural and functional methods Chlamydia pneumoniae uses to penetrate the human cell: It mimics molecular structures of the human cell (so-called “molecular mimicry”) and uses them for its attack.
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NewsBioengineer awarded $3.4M for project to end polio
Bioengineer Kevin McHugh has been awarded $3.4 million for a project to incorporate protection against poliomyelitis into the combination vaccine that protects against five common and dangerous childhood diseases.
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NewsNext-gen sequencing reveals array of pathogens in longhorned tick
A new study of microbial diversity in the longhorned tick indicates the high relative abundance of both pathogenic bacteria and non-pathogenic endosymbionts and the potential for pathogen transmission to residents of Shaanxi province.
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NewsZika virus offeres potential as treatment for brain cancer: review
Fourteen studies showed that Zika virus reduced cell viability, inhibited the growth and proliferation of glioma stem cells (GSCs), and decreased Bcl2 expression in central nervous system tumors, potentially enhancing chemotherapy and radiotherapy effects.
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NewsGut microbiome has central role in human aging
The gut microbiome holds a central role in human aging, influencing everything from metabolic function to immune health, a new review shows.