High-throughput sequencing reveals differential begomovirus species diversity in non-cultivated plants in northern-pacific mexico

Edgar Antonio Rodríguez-Negrete, Juan José Morales-Aguilar, Gustavo Domínguez-Duran, Gadiela Torres-Devora, Erika Camacho-Beltrán, Norma Elena Leyva-López, Andreas E. Voloudakis, Eduardo R. Bejarano, Jesús Méndez-Lozano

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Plant DNA viruses of the genus Begomovirus have been documented as the most genetically diverse in the family Geminiviridae and present a serious threat for global horticultural production, especially considering climate change. It is important to characterize naturally existing begomoviruses, since viral genetic diversity in non-cultivated plants could lead to future disease epidemics in crops. In this study, high-throughput sequencing (HTS) was employed to determine viral diversity of samples collected in a survey performed during 2012–2016 in seven states of Northern-Pacific Mexico, areas of diverse climatic conditions where different vegetable crops are subject to intensive farming. In total, 132 plant species, belonging to 34 families, were identified and sampled in the natural ecosystems surrounding cultivated areas (agro-ecological interface). HTS analysis and subsequent de novo assembly revealed a number of geminivirus-related DNA signatures with 80 to 100% DNA similarity with begomoviral sequences present in the genome databank. The analysis revealed DNA signatures corresponding to 52 crop-infecting and 35 non-cultivated-infecting geminiviruses that, interestingly, were present in different plant species. Such an analysis deepens our knowledge of geminiviral diversity and could help detecting emerging viruses affecting crops in different agro-climatic regions.

Original languageEnglish
Article number594
JournalViruses
Volume11
Issue number7
DOIs
StatePublished - Jul 2019

Keywords

  • Agro-ecological interface
  • Geminivirus
  • High-throughput sequencing
  • Non-cultivated plants
  • Viral biodiversity

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