Bracoviruses, ichnoviruses, and virus-like particles from parasitoid wasps retain many features of their virus ancestors
Bracoviruses, ichnoviruses, and virus-like particles from parasitoid wasps retain many features of their virus ancestors
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DOI：
10.1016/j.cois.2021.12.003
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发表时间：
2022-01-11
影响因子：
5.3
通讯作者：
Strand, Michael R.
中科院分区：
文献类型：
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作者：
Drezen, Jean-Michel;Bezier, Annie;Strand, Michael R.
动物基因组通常包含从不同类型的病毒获得的基因或序列。这些内源性病毒成分（EVEs）绝大多数是无活性的，或者仅由少数成分组成，没有证据表明这些成分可用于新功能或相互作用。与大多数evs不同，拟寄生蜂中的bracovirus （BVs）、ichnovirus （IVs）和virus like particles （vlp）是通过保留和相互作用许多来自病毒祖先的基因而进化的。在这里，我们讨论了目前对BV、IV和VLP进化的理解，以及对病毒构成的相关含义。我们认为bv和IVs是驯化的内源性病毒（DEVs），它们在几个重要方面与其他已知的evs不同。
Animal genomes commonly contain genes or sequences that have been acquired from different types of viruses. The vast majority of these endogenous virus elements (EVEs) are inactive or consist of only a small number of components that show no evidence of cooption for new functions or interaction. Unlike most EVEs, bracoviruses (BVs), ichnoviruses (IVs) and virus-like particles (VLPs) in parasitoid wasps have evolved through retention and interaction of many genes from virus ancestors. Here, we discuss current understanding of BV, IV and VLP evolution along with associated implications for what constitutes a virus. We suggest that BVs and IVs are domesticated endogenous viruses (DEVs) that differ in several important ways from other known EVEs.