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  • Microbe with bizarrely tiny genome may be evolving into a virus
    Yet alongside the expected dinoflagellate and cyanobacteria DNA, and genomes of what may be bacterial parasites, they spotted a strange circle of DNA only 238,000 base pairs long, just 5% the length of the genome of E coli “Initially, we suspected this tiny circular genome might be some kind of artifact,” says Takuro Nakayama, an
  • Microbe With Bizarrely Tiny Genome May Be Evolving Into a . . .
    sciencehabit shares a report from Science org: The newly discovered microbe provisionally known as Sukunaarchaeum isn't a virus But like viruses, it seemingly has one purpose: to make more of itself As far as scientists can tell from its genome -- the only evidence of its existence so far -- it's
  • Jumping genes unite: How transposons cluster together through . . .
    LINE-1 sequences (Long Interspersed Nuclear Element-1) are a family of repetitive DNA sequences that make up a large part of the human genome They can be reactivated during the development of
  • Variant evolution graph: Can we infer how SARS-CoV-2 variants . . .
    The SARS-CoV-2 virus has undergone extensive mutations over time, resulting in considerable genetic diversity among circulating strains This diversity directly affects important viral characteristics, such as transmissibility and disease severity During a viral outbreak, the rapid mutation rate produces a large cloud of variants, referred to as a viral quasispecies However, many variants
  • How COVID-19’s Evolution Creates New Variants
    This process is an example of antigenic drift, where cumulative changes in the virus’s spike protein make it less recognizable to the immune system Antibodies from a previous infection may not bind as effectively to a new variant’s mutated spike protein This mismatch enables the new variant to cause reinfections and breakthrough cases
  • The Evolving Genome of SARS-CoV-2 - Simple Science
    New variants may emerge, and understanding their genetic makeup could help the global community respond more effectively In essence, while SARS-CoV-2 may initially seem like just another virus, the ongoing research into its genome reveals a complex dance of adaptation, evolution, and survival
  • Genome evolution - Nature
    Whole-genome sequencing of individuals from 125 populations provides insight into patterns of genetic diversity, natural selection and human demographic history during the peopling of Eurasia





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