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单词 virion
释义

Definition of virion in English:

virion

noun ˈvɪrɪɒnˈvɪriɑn
Microbiology
  • The complete, infective form of a virus outside a host cell, with a core of RNA and a capsid.

    〔微生物〕病毒粒子,毒粒,壳包核酸

    Example sentencesExamples
    • At the center of the virion is a protein capsid containing two identical, single strands of genomic RNA, plus essential reverse transcriptase enzymes, as well as some accessory molecules.
    • However, the tubes may contain multiple virions, or capsids, like peas in a pod, or the linear arrangement of spores in neurospora filaments.
    • It is probable that movement of poliovirions occurs through the interaction of the virions with the host cell actin similar to the mechanisms seen in some bacterial infections 10-12.
    • A US research team examined the possibility that normal human oral keratinocytes might be directly infected by HIV or might convey infectious HIV virions to adjacent leucocytes.
    • The humoral arm produces virus-neutralizing antibodies that, when fully effective, completely prevent virions from infecting new host cells.

Origin

1950s: from virus + -on.

Definition of virion in US English:

virion

nounˈvirēänˈvɪriɑn
Microbiology
  • The complete, infective form of a virus outside a host cell, with a core of RNA or DNA and a capsid.

    〔微生物〕病毒粒子,毒粒,壳包核酸

    Example sentencesExamples
    • It is probable that movement of poliovirions occurs through the interaction of the virions with the host cell actin similar to the mechanisms seen in some bacterial infections 10-12.
    • A US research team examined the possibility that normal human oral keratinocytes might be directly infected by HIV or might convey infectious HIV virions to adjacent leucocytes.
    • The humoral arm produces virus-neutralizing antibodies that, when fully effective, completely prevent virions from infecting new host cells.
    • At the center of the virion is a protein capsid containing two identical, single strands of genomic RNA, plus essential reverse transcriptase enzymes, as well as some accessory molecules.
    • However, the tubes may contain multiple virions, or capsids, like peas in a pod, or the linear arrangement of spores in neurospora filaments.

Origin

1950s: from virus + -on.

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更新时间:2025/7/4 10:52:12