Isolated archaeal viruses comprise only a few percent of all known prokaryotic viruses. Thus, the study of viruses infecting archaea is still in its early stages. Here we summarize the most recent discoveries of archaeal viruses utilizing a virion-centered view. We describe the known archaeal virion morphotypes and compare them to the bacterial counterparts, if such exist. Viruses infecting archaea are morphologically diverse and present some unique morphotypes. Although limited in isolate number, archaeal viruses reveal new insights into the viral world, such as deep evolutionary relationships between viruses that infect hosts from all three domains of life.C1 Bamford, Dennis H.; Univ Helsinki, Inst Biotechnol, POB 56,Viikinkaari 5, Helsinki 00014, FinlandSC Infectious Diseases; Evolutionary Biology
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机译：分离的古细菌仅占所有已知原核病毒的百分之几。因此，感染古细菌的病毒的研究仍处于早期阶段。在这里，我们以病毒体为中心总结了古细菌的最新发现。我们描述了已知的古细菌病毒体形态，并将其与细菌对应物进行比较（如果存在）。感染古细菌的病毒在形态上是多样的，并呈现出一些独特的形态型。尽管古细菌的数量有限，但它揭示了对病毒世界的新见解，例如感染生活中所有三个领域的宿主的病毒之间的深层进化关系。C1Bamford，Dennis H .;赫尔辛基大学生物技术研究所，POB 56，Viikinkaari 5，赫尔辛基00014，芬兰SC传染病;进化生物学
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