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“#Cheese: New insights into an age-old food” The research looked at the microbiology of cheeses from around the world. Credit: Bord Bia The most detailed study to date of the microbes in cheese was published today in Nature Food by a team of researchers at Teagasc and APC Microbiome Ireland SFI Research Center, led by…
“#A novel strategy for using compounds as ‘anti-evolution’ drugs to combat antibiotic resistance” Bacterial colonies growing on agar plates. Credit: Andrei Papkou The rise of antibiotic resistance in many pathogens has been driven by the spread of a small number of strains, suggesting that some bacteria may be genetically pre-disposed to evolving resistance. Researchers at…
“#Deprived of oxygen, layers of bacteria get creative” This scanning electron micrograph (SEM) shows cells in a fixed Pseudomonas aeruginosa colony biofilm. The crack in this fixed sample reveals the many layers of densely packed cells that make up the biofilm structure. This biofilm mode of life gives these cells protection and can result in…
“#UK-India experts seek to stop antibiotic waste that creates more superbugs” Credit: Pixabay/CC0 Public Domain Waste generated by India’s drug manufacturing industry could be damaging environmental bacteria and creating ‘superbugs’ that are resistant to antibiotics—prompting a UK-India scientific intervention. British and Indian researchers are joining forces to investigate the impact of waste release on microbial…
“#Scientists discover curious clues in the war between cystic fibrosis bacteria” Burkholderia dolosa. Credit: Cotter lab Several kinds of bacteria can cause lung infections in people with cystic fibrosis (CF). Pseudomonas aeruginosa, which can cause pneumonia, typically infects infants or young children and persists for life, while Burkholderia cepacia complex species only infect teenagers and…
“#Hormones control paternal interest in offspring” Credit: CC0 Public Domain Basing their research on an unexpected interspecies difference between rats and mice, researchers at Karolinska Institutet and Stockholm University have mapped a system in the brain that controls paternal behavior towards offspring. A key component in this behavior is the hormone prolactin, which prepares females…
“#Researchers discover how chlamydiae multiply in human cells” Resting Chlamydia (left; bright circles), which are held without glutamine. After the addition of glutamine (right) the bacteria enter the division stages (darker circles). Credit: Lehrstuhl für Mikrobiologie / Universität Würzburg Chlamydia are bacteria that cause venereal diseases. In humans, they can only survive if they enter…
“#Cells relax their membrane to control protein sorting” Credit: CC0 Public Domain The tension in the outer membrane of cells plays an important role in a number of biological processes. A localized drop in tension, for example, makes it easier for the surface bend inward and form invaginations that will become free vesicles inside the…
“#The six strains of SARS-CoV-2” Worldwide distribution of the SARS-CoV-2 six strains. Credit: Frontiers in Microbiology The virus causing the COVID-19 pandemic, SARS-CoV-2, presents at least six strains. Despite its mutations, the virus shows little variability, and this is good news for the researchers working on a viable vaccine. These are the results of the…
“#How a gooey slime helps bacteria survive” Bacteria have the ability to adapt to their environment to survive the host’s immune defense. One such survival strategy includes the formation of a biofilm that prevents the immune system or antibiotics from reaching the bacteria. In a new study, researchers from the University of Tsukuba revealed that…