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In 2019, Netflix was already a fixture in our lives. With a global pandemic keeping everyone in their homes for most of the year and a barrage of boorish politicians and natural disasters making ...
Carcinogenic bacteria. Bacteria involved in causing and treating cancers. Cancer bacteria are bacteria infectious organisms that are known or suspected to cause cancer. [ 1] While cancer-associated bacteria have long been considered to be opportunistic (i.e., infecting healthy tissues after cancer has already established itself), there is some ...
Netflix on Monday released the latest update to its culture memo, its guiding set of principles for how the company operates. The new iteration of the influential document does not really reflect ...
Hayflick was the first to report that only cancer cells are immortal. This could not have been demonstrated until he had demonstrated that normal cells are mortal. [3] [4] Cellular senescence does not occur in most cancer cells due to expression of an enzyme called telomerase. This enzyme extends telomeres, preventing the telomeres of cancer ...
Biological immortality (sometimes referred to as bio-indefinite mortality) is a state in which the rate of mortality from senescence is stable or decreasing, thus decoupling it from chronological age. Various unicellular and multicellular species, including some vertebrates, achieve this state either throughout their existence or after living ...
Bacterial morphological plasticity refers to changes in the shape and size that bacterial cells undergo when they encounter stressful environments. Although bacteria have evolved complex molecular strategies to maintain their shape, many are able to alter their shape as a survival strategy in response to protist predators, antibiotics, the immune response, and other threats.
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Helicobacter pylori, previously known as Campylobacter pylori, is a gram-negative, flagellated, helical bacterium. Mutants can have a rod or curved rod shape, and these are less effective. [ 1][ 2] Its helical body (from which the genus name, Helicobacter, derives) is thought to have evolved in order to penetrate the mucous lining of the ...