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論文資訊
- 類型：已發表論文
- 日期：2014-10-27
摘要
Potato 病毒 Y (PVY) is a plant 病毒 distributed worldwide that causes damage to several 物種 of the Solanaceae family. It was established long ago that groups of PVY isolates defined by 系統發育 analyses correlate strongly with those demarcated by differential 生物 properties. Consequently, life-history traits of this viral 物種 can be inferred by 系統發育 analysis. In this study, characteristics of PVY isolates sampled in different tobacco fields in Brazil were analysed and most of the tested Brazilian PVY isolates were assigned to the recently described unconventional serogroup Y-U. The analysis of molecular 多樣性 of the coat 蛋白質 (CP) cistron from some Y-U isolates made it possible (i) to identify specific amino acid residues in the N-terminal of the CP 蛋白質 and (ii) to assign some Y-U isolates to a new PVY
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