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<p>An isolate of a novel begomovirus, named eggplant yellow mosaic virus (EYMV), was molecularly characterized from a naturally infected, field-collected eggplant exhibiting yellow mosaic symptom in Iguowan, Edo State, Nigeria. Its complete monopartite genome is 2,805 nucleotides (nt) long, containing two virion-sense (V1 and V2) and four complementary-sense (C1–C4) open reading frames. In pairwise comparisons, EYMV shared the highest (86%) genome sequence identity with tomato leaf curl Cameroon virus isolate GH-Tou-12. Phylogenetic analysis showed that EYMV belonged to the same clade as okra yellow crinkle virus (OYCrV). Further analysis revealed the recombinant nature of EYMV, with the potential major and minor parental viruses being OYCrV and tomato leaf curl Nigeria virus, respectively. The species name "<i>Begomovirus melongenaflavi</i>" is proposed for EYMV.</p>

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Molecular identification of a new monopartite begomovirus isolated from eggplant (Solanum melongena L.) with yellow mosaic symptoms in Nigeria

  • 期刊论文

  • 发表日期：

    2025年8月25日

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  • Olawale Arogundade,
  • John O. Oladokun,
  • P. Lava Kumar,
  • Olufemi J. Alabi

摘要

An isolate of a novel begomovirus, named eggplant yellow mosaic virus (EYMV), was molecularly characterized from a naturally infected, field-collected eggplant exhibiting yellow mosaic symptom in Iguowan, Edo State, Nigeria. Its complete monopartite genome is 2,805 nucleotides (nt) long, containing two virion-sense (V1 and V2) and four complementary-sense (C1–C4) open reading frames. In pairwise comparisons, EYMV shared the highest (86%) genome sequence identity with tomato leaf curl Cameroon virus isolate GH-Tou-12. Phylogenetic analysis showed that EYMV belonged to the same clade as okra yellow crinkle virus (OYCrV). Further analysis revealed the recombinant nature of EYMV, with the potential major and minor parental viruses being OYCrV and tomato leaf curl Nigeria virus, respectively. The species name "Begomovirus melongenaflavi" is proposed for EYMV.