Molecular diversity, geographic distribution and host range of monocot-infecting mastreviruses in Africa and surrounding islands

Simona Kraberger, Salem Saumtally, Daniel Pande, Michel H.R. Khoodoo, Sonalall Dhayan, Asha Dookun-Saumtally, Dionne N. Shepherd, Penelope Hartnady, Richard Atkinson, Francisco M. Lakay, Britt Hanson, Devasha Redhi, Adérito L. Monjane, Oliver P. Windram, Matthew Walters, Sunday Oluwafemi, Jean Michel-Lett, Pierre Lefeuvre, Darren P. Martin, Arvind Varsani

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Maize streak virus (MSV), an important pathogen of maize in Africa, is the most extensively studied member of the Mastrevirus genus in the family Geminiviridae. Comparatively little is known about other monocot-infecting African mastreviruses, most of which infect uncultivated grasses. Here we determine the complete sequences of 134 full African mastrevirus genomes from predominantly uncultivated Poaceae species. Based on established taxonomic guidelines for the genus Mastrevirus, these genomes could be classified as belonging to the species Maize streak virus, Eragrostis minor streak virus, Maize streak Reunion virus, Panicum streak virus, Sugarcane streak Reunion virus and Sugarcane streak virus. Together with all other publicly available African monocot-infecting mastreviruses, the 134 new isolates extend the known geographical distributions of many of these species, including MSV which we found infecting Digitaria sp. on the island of Grand Canaria: the first definitive discovery of any African monocot-infecting mastreviruses north-west of the Saharan desert. These new isolates also extend the known host ranges of both African mastrevirus species and the strains within these. Most notable was the discovery of MSV-C isolates infecting maize which suggests that this MSV strain, which had previously only ever been found infecting uncultivated species, may be in the process of becoming adapted to this important staple crop.

Original languageEnglish (US)
Pages (from-to)171-178
Number of pages8
JournalVirus Research
Volume238
DOIs
StatePublished - Jun 15 2017

Fingerprint

Maize streak virus
Geminiviridae
Host Specificity
Islands
Reunion
Viruses
Saccharum
Poaceae
Zea mays
Digitaria
Eragrostis
Genome
Panicum
Guidelines

Keywords

  • Geographic distribution
  • Mastrevirus
  • Natural host range
  • Poaceae

ASJC Scopus subject areas

  • Cancer Research
  • Infectious Diseases
  • Virology

Cite this

Molecular diversity, geographic distribution and host range of monocot-infecting mastreviruses in Africa and surrounding islands. / Kraberger, Simona; Saumtally, Salem; Pande, Daniel; Khoodoo, Michel H.R.; Dhayan, Sonalall; Dookun-Saumtally, Asha; Shepherd, Dionne N.; Hartnady, Penelope; Atkinson, Richard; Lakay, Francisco M.; Hanson, Britt; Redhi, Devasha; Monjane, Adérito L.; Windram, Oliver P.; Walters, Matthew; Oluwafemi, Sunday; Michel-Lett, Jean; Lefeuvre, Pierre; Martin, Darren P.; Varsani, Arvind.

In: Virus Research, Vol. 238, 15.06.2017, p. 171-178.

Research output: Contribution to journalArticle

Kraberger, S, Saumtally, S, Pande, D, Khoodoo, MHR, Dhayan, S, Dookun-Saumtally, A, Shepherd, DN, Hartnady, P, Atkinson, R, Lakay, FM, Hanson, B, Redhi, D, Monjane, AL, Windram, OP, Walters, M, Oluwafemi, S, Michel-Lett, J, Lefeuvre, P, Martin, DP & Varsani, A 2017, 'Molecular diversity, geographic distribution and host range of monocot-infecting mastreviruses in Africa and surrounding islands', Virus Research, vol. 238, pp. 171-178. https://doi.org/10.1016/j.virusres.2017.07.001
Kraberger, Simona ; Saumtally, Salem ; Pande, Daniel ; Khoodoo, Michel H.R. ; Dhayan, Sonalall ; Dookun-Saumtally, Asha ; Shepherd, Dionne N. ; Hartnady, Penelope ; Atkinson, Richard ; Lakay, Francisco M. ; Hanson, Britt ; Redhi, Devasha ; Monjane, Adérito L. ; Windram, Oliver P. ; Walters, Matthew ; Oluwafemi, Sunday ; Michel-Lett, Jean ; Lefeuvre, Pierre ; Martin, Darren P. ; Varsani, Arvind. / Molecular diversity, geographic distribution and host range of monocot-infecting mastreviruses in Africa and surrounding islands. In: Virus Research. 2017 ; Vol. 238. pp. 171-178.
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abstract = "Maize streak virus (MSV), an important pathogen of maize in Africa, is the most extensively studied member of the Mastrevirus genus in the family Geminiviridae. Comparatively little is known about other monocot-infecting African mastreviruses, most of which infect uncultivated grasses. Here we determine the complete sequences of 134 full African mastrevirus genomes from predominantly uncultivated Poaceae species. Based on established taxonomic guidelines for the genus Mastrevirus, these genomes could be classified as belonging to the species Maize streak virus, Eragrostis minor streak virus, Maize streak Reunion virus, Panicum streak virus, Sugarcane streak Reunion virus and Sugarcane streak virus. Together with all other publicly available African monocot-infecting mastreviruses, the 134 new isolates extend the known geographical distributions of many of these species, including MSV which we found infecting Digitaria sp. on the island of Grand Canaria: the first definitive discovery of any African monocot-infecting mastreviruses north-west of the Saharan desert. These new isolates also extend the known host ranges of both African mastrevirus species and the strains within these. Most notable was the discovery of MSV-C isolates infecting maize which suggests that this MSV strain, which had previously only ever been found infecting uncultivated species, may be in the process of becoming adapted to this important staple crop.",
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AU - Khoodoo, Michel H.R.

AU - Dhayan, Sonalall

AU - Dookun-Saumtally, Asha

AU - Shepherd, Dionne N.

AU - Hartnady, Penelope

AU - Atkinson, Richard

AU - Lakay, Francisco M.

AU - Hanson, Britt

AU - Redhi, Devasha

AU - Monjane, Adérito L.

AU - Windram, Oliver P.

AU - Walters, Matthew

AU - Oluwafemi, Sunday

AU - Michel-Lett, Jean

AU - Lefeuvre, Pierre

AU - Martin, Darren P.

AU - Varsani, Arvind

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