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“#Waste from the food chain could hold the clue to treating eye infections worldwide” Credit: Unsplash/CC0 Public Domain A new laboratory model that can be used to test treatments for preventing and curing eye infections caused by fungi, bacteria and viruses, while also reducing the number of animals used in medical research, has been developed…
“#COVID-19 virus uses heparan sulfate to get inside cells” SARS-CoV-2’s spike protein must bind both the ACE2 receptor and heparan sulfate to gain entry into human cells. Credit: University of California – San Diego A molecule known as ACE2 sits like a doorknob on the outer surfaces of the cells that line the lungs. Since…
“#Study finds how body cells move within a tissue”
“#Scientists identify an enzyme that facilitates grafting between plants of different families” Using tobacco as an interscion, a tomato scion was grafted onto a rootstock of Chrysanthemum (Florist’s daisy), one of the most prolific plants on land. Three months later, the tomato plant bore a small fruit. Credit: Michitaka Notaguchi Scientists have found that the…
“#An unprecedented discovery of cell fusion” A team of UD researchers studied interactions between Clostridium ljungdahlii and C. acetobutylicum bacteria. Credit: Kamil Charubin and Joy Smoker Like humans, bacteria live together in communities, sometimes lending a hand—or in the case of bacteria, a metabolite or two—to help their neighbors thrive. Understanding how bacteria interact is…
“#International screening of the effects of a pathogenic fungus” Candida albicans, which is related to Candida auris. Credit: CDC The pathogenic fungus Candida auris, which first surfaced in 2009, is proving challenging to control. It is resistant to many fungicides and not easy to diagnose. Researchers from Radboud university medical center, Canisius-Wilhelmina Hospital (CWZ) and…
“#How cells can find their way through the human body” A team of researchers affiliated with multiple institutions in the U.K. has discovered how cells are able to travel so accurately through the human body. In their paper published in the journal Science, the group describes a theory they developed to explain cell orienteering and…
“#How bacteria adhere to fiber in the gut” Depiction of a gut bacteria attached to cellulose fibers through adhesion proteins on the bacterial surface. Cohesin (yellow) and Dockerin (green) assemble into a protein complex in two possible configurations, referred to as dual binding modes. The complex is activated by mechanical tension, which strengthens it and…
“#Study reveals two major microbial groups can’t breathe” Scientists collect samples in Death Valley National Park. The researchers analyzed thousands of microbial genomes and discovered that two abundant groups produce energy using ancient methods that may predate the evolution of respiration. Credit: Ramunas Stepanauskas A new scientific study has revealed unique life strategies of two…
“#Blocking cellular communication stops SARS-CoV-2” Credit: Pixabay/CC0 Public Domain In the transmission of signals within the cell which, for example, stimulate cell growth or trigger metabolic processes, phosphate groups play an important biochemical role. The phosphate groups are often attached to proteins or removed to control activity. In this process, a change in the protein…