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首页> 外文期刊>The American Journal of Tropical Medicine and Hygiene >Bunyavirus Taxonomy: Limitations and Misconceptions Associated with the Current ICTV Criteria Used for Species Demarcation
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Bunyavirus Taxonomy: Limitations and Misconceptions Associated with the Current ICTV Criteria Used for Species Demarcation

机译：Bunyavirus分类：与用于物种划分的当前ICTV标准相关的限制和误解

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摘要

International Committee on Taxonomy of Viruses (ICTV) has implemented numerous changes to the taxonomic classification of bunyaviruses over the years. Whereas most changes have been justified and necessary because of the need to accommodate newly discovered and unclassified viruses, other changes are a cause of concern, especially the decision to demote scores of formerly recognized species to essentially strains of newly designated species. This practice was first described in the seventh taxonomy report of the ICTV and has continued in all subsequent reports. In some instances, viruses that share less than 75% nucleotide sequence identity across their genomes, produce vastly different clinical presentations, possess distinct vector and host associations, have different biosafety recommendations, and occur in nonoverlapping geographic regions are classified as strains of the same species. Complicating the matter is the fact that virus strains have been completely eliminated from ICTV reports; thus, critically important information on virus identities and their associated biological and epidemiological features cannot be readily related to the ICTV classification. Here, we summarize the current status of bunyavirus taxonomy and discuss the adverse consequences associated with the reclassification and resulting omission of numerous viruses of public health importance from ICTV reports. As members of the American Committee on Arthropod-borne Viruses, we encourage the ICTV Bunyavirus Study Group to reconsider their stance on bunyavirus taxonomy, to revise the criteria currently used for species demarcation, and to list additional strains of public and veterinary importance.
机译：病毒分类委员会（ICTV）多年来已经实施了兔兔的分类分类变化。虽然大多数变化都是合理的，并且需要适应新发现和未分类的病毒，但其他变化是一个关注的原因，特别是将以前认可的物种的分数降低到新指定物种的基本菌株的决定。这种做法首先在ICTV的第七个分类报告中描述，并在所有后续报告中继续进行。在某些情况下，在其基因组中占有少于75％的核苷酸序列同一性的病毒，产生了众异的临床介绍，具有不同的载体和宿主关联，具有不同的生物安全建议，并且在原始地区的情况下发生被归类为相同物种的菌株。复杂物质是，从ICTV报告中完全消除了病毒菌株;因此，关于病毒标识的重要信息及其相关的生物和流行病学特征不能容易地与ICTV分类有关。在这里，我们总结了Bunyavirus分类的现状，并讨论了与重新分类相关的不良后果，并导致遗漏来自ICTV报告的许多公共卫生病毒。作为美国委员会委员会的节肢动物病毒委员会，我们鼓励ICTV BunyaVirus研究组重新考虑他们对Bunyavirus分类的立场，以修改目前用于物种划分的标准，并列出额外的公众和兽医的株式会。

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