番茄金黄网病毒和番茄黄网病毒：两个具有单分体基因组的新型新世界双生病毒。
Tomato golden net virus and tomato yellow net virus: two novel New World begomoviruses with monopartite genomes.
机构信息
Departamento de Fitopatologia, Universidade de Brasília (UnB), Brasília, DF, Brazil.
Embrapa Vegetable Crops, National Center for Vegetable Crops Research (CNPH), Brasília, DF, Brazil.
出版信息
Arch Virol. 2023 Aug 29;168(9):235. doi: 10.1007/s00705-023-05836-0.
Two novel tomato-infecting begomoviruses were discovered via high-throughput sequencing in Brazil. Both viruses were also Sanger-sequenced and displayed DNA-A components phylogenetically related to New World bipartite begomoviruses. The names tomato golden net virus (ToGNV) and tomato yellow net virus (ToYNV) were proposed. The majority of the New World begomoviruses has bipartite genomes. However, extensive analyses revealed that ToGNV and ToYNV have monopartite genomes, because no cognate DNA-B components were detected. Hence, they may comprise a unique group of monopartite New World begomoviruses, which have enormous biological, molecular, and plant breeding interest.
巴西通过高通量测序发现了两种新型侵染番茄的双生病毒。这两种病毒都经过了 Sanger 测序，其 DNA-A 组分与新世界二分体伴生病毒在系统发育上具有亲缘关系。分别命名为番茄金黄网病毒（ToGNV）和番茄黄网病毒（ToYNV）。大多数新世界伴生病毒具有二分体基因组。然而，广泛的分析表明，ToGNV 和 ToYNV 具有单分体基因组，因为没有检测到同源 DNA-B 组分。因此，它们可能构成了一个独特的单分体新世界伴生病毒群体，具有巨大的生物学、分子学和植物育种意义。
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