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  2. Marine viruses - Wikipedia

    en.wikipedia.org/wiki/Marine_viruses

    These enzymes, called restriction endonucleases, cut up the viral DNA that bacteriophages inject into bacterial cells. [22] Bacteria also contain a system that uses CRISPR sequences to retain fragments of the genomes of viruses that the bacteria have come into contact with in the past, which allows them to block the virus's replication through ...

  3. Marine microorganisms - Wikipedia

    en.wikipedia.org/wiki/Marine_microorganisms

    The origins of viruses in the evolutionary history of life are unclear: some may have evolved from plasmids—pieces of DNA that can move between cells—while others may have evolved from bacteria. In evolution, viruses are an important means of horizontal gene transfer , which increases genetic diversity . [ 32 ]

  4. Phycodnaviridae - Wikipedia

    en.wikipedia.org/wiki/Phycodnaviridae

    The viral DNA is then replicated inside the nucleus by the host cell's machinery. Virus particles are assembled in the cytoplasm, usually occupying a space near the inner face of the nucleus. Due to the extremely small size of the algae cells, the average burst size was found to be 25 virus particles per cell. [45]

  5. DNA virus - Wikipedia

    en.wikipedia.org/wiki/DNA_virus

    Orthopoxvirus particles. A DNA virus is a virus that has a genome made of deoxyribonucleic acid (DNA) that is replicated by a DNA polymerase.They can be divided between those that have two strands of DNA in their genome, called double-stranded DNA (dsDNA) viruses, and those that have one strand of DNA in their genome, called single-stranded DNA (ssDNA) viruses. dsDNA viruses primarily belong ...

  6. Monodnaviria - Wikipedia

    en.wikipedia.org/wiki/Monodnaviria

    The prototypic members of the realm are often called CRESS-DNA viruses. CRESS-DNA viruses are associated with a wide range of diseases, including diseases in economically important crops and a variety of diseases in animals. The atypical members of the realm include papillomaviruses and polyomaviruses, which are known to cause various cancers.

  7. Virome - Wikipedia

    en.wikipedia.org/wiki/Virome

    Viruses are the most abundant biological entities on Earth, but challenges in detecting, isolating, and classifying unknown viruses have prevented exhaustive surveys of the global virome. [25] Over 5 Tb of metagenomic sequence data were used from 3,042 geographically diverse samples to assess the global distribution, phylogenetic diversity, and ...

  8. This Blood Type Is More Likely To Get The Norovirus ... - AOL

    www.aol.com/blood-type-more-likely-norovirus...

    When it comes to norovirus, more commonly known as the stomach bug or 24-hour flu, your ability to fight the virus could be in your blood. ... The mutation of one specific gene, called FUT2, can ...

  9. Glossary of virology - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_virology

    Often simply called an antiviral. A class of antimicrobial medication used specifically for treating diseases caused by viral infections rather than ones caused by bacteria or other infectious agents. Unlike most antibiotics, antivirals typically do not destroy their target viruses but instead inhibit their development. They are distinct from virucides. assembly The construction of the virus ...