Publications by authors named "R Armas"

Clustered regularly interspaced short palindromic repeats (CRISPR) has been widely characterized as a defense system against phages and other invading elements in bacteria and archaea. A low percentage of species complex (RSSC) strains possess the CRISPR array and the CRISPR-associated proteins (Cas) that would confer immunity against various phages. To provide a wide-range screen of the CRISPR presence in the RSSC, we analyzed 378 genomes of RSSC strains to find the CRISPR locus.

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Background: The COVID-19 pandemic poses a significant global health threat, characterized by high morbidity, severity, and the emergence of concerning variants. Latin America has been greatly affected, with high infection and mortality rates. Vaccination plays a crucial role in mitigating severe disease and controlling the pandemic.

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Article Synopsis
  • Billfish rostra serve multiple roles, but are crucial for feeding in some species; recent studies link rostral micro-teeth variation to different feeding behaviors in striped marlin and sailfish.
  • This study introduces the rostral micro-tooth morphology of blue marlin, highlighting their feeding behavior remains undocumented in the wild, despite previous video analyses of other billfish revealing striking patterns.
  • Findings show blue marlin have longer intact micro-teeth but a higher incidence of broken teeth compared to striped marlin and sailfish, suggesting their rostrum functions in high-speed dashes targeting larger prey instead of precision strikes.
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