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Colorized scanning electron micrograph of a human neutrophil ingesting MRSA. Methicillin-resistant Staphylococcus aureus (MRSA) is a group of gram-positive bacteria that are genetically distinct from other strains of Staphylococcus aureus. MRSA is responsible for several difficult-to-treat infections in humans.
Iron is required for humans, as well as the growth of most bacteria. To obtain free iron, some pathogens secrete proteins called siderophores, which take the iron away from iron-transport proteins by binding to the iron even more tightly. Once the iron-siderophore complex is formed, it is taken up by siderophore receptors on the bacterial ...
That same night, one of the cows goes into a difficult labour. Dan is forced to seek Jamie's help and together, they successfully birth the calf, which bites Dan. In gratitude, Dan allows Jamie and Mary, who are on the run from her brothers who disapprove of her relationship with a Traveller, to stay on his farm.
Natural horror is a subgenre of horror films that features natural forces, [1] typically in the form of animals or plants, that pose a threat to human characters.. Though killer animals in film have existed since the release of The Lost World in 1925, [2] two of the first motion pictures to garner mainstream success with a "nature run amok" premise were The Birds, directed by Alfred Hitchcock ...
The Nest is a 1988 American science-fiction horror film directed by Terence H. Winkless in his directorial debut.Based on the 1980 novel of the same name by Eli Cantor (published under the pseudonym Gregory A. Douglas), the film's screenplay was written by Robert King.
The longevity secrets of Singapore, the 6th blue zone city where people are living the longest, happiest lives The strict anti-aging routine of a 45-year-old CEO who spends millions a year to be ...
The Sand, also titled Killer Beach, is a 2015 American horror film directed by Isaac Gabaeff and starring Brooke Butler, Meagan Holder and Mitchel Musso.At least one version of the opening credits reads "Killer Beach", but the closing credits give the movie title as "The Sand."
The entomologist E. O. Wilson has characterised parasites as "predators that eat prey in units of less than one". [7] According to the immunologist John Playfair, the term 'parasite' is distinctly derogatory in common usage, where a parasite is "a sponger, a lazy profiteer, a drain on society". [ 8 ]