Identification of a new turncurtovirus in the leafhopper Circulifer haematoceps and the host plant species Sesamum indicum

Vahid Hasanvand, Mehdi Kamali, Jahangir Heydarnejad, Hossain Massumi, Anders Kvarnheden, Arvind Varsani

Research output: Contribution to journalArticle

Abstract

Turncurtoviruses (family: Geminiviridae; genus: Turncurtovirus) appear to have a high degree of genetic variation in Iran. Leafhoppers of the species Circulifer haematoceps (Mulsant and Rey, 1855) (family: Cicadellidae) were collected in 2014 from three geographical regions in south-eastern Iran (Orzoeyeh, Jiroft and Sirjan; Kerman province) and screened for the presence of turncurtoviruses using a combination of PCR and rolling circle amplification (RCA) methods. Eleven genomes of turncurtovirus were recovered and sequenced. Leafhoppers were sampled off sesame (S. indicum L.) and turnip (Brassica rapa sub sp. rapa). Thus, we identified three symptomatic sesame plants (yellowing, boat-shaped leaf curling, vein swelling on the lower leaf surfaces) from sesame farms in Jiroft. In these samples, we identified the same turncurtovirus as in the leafhoppers and have named it sesame curly top virus (SeCTV). Collectively, these SeCTV share > 98% genome-wide pairwise identity and ~ 87.3% to a recently identified turncurtovirus (sesame yellow mosaic virus; SeYMV) from sesame in Pakistan (GenBank accession MF344550). The SeCTV and SeYMV sequences share < 70% genome-wide pairwise identity with isolates of Turnip curly top virus and Turnip leaf roll virus, the two species in the genus Turncurtovirus. Based on the pairwise identities and phylogenetic analysis, SeCTV (n = 12) and SeYMV (n = 1) represent two strains of a new species in the genus Turncurtovirus.

Original languageEnglish (US)
JournalVirus Genes
DOIs
StateAccepted/In press - Jan 1 2018

Fingerprint

Sesamum
Hemiptera
Viruses
Brassica napus
Genome
Iran
Geminiviridae
Mosaic Viruses
Brassica rapa
Ships
Pakistan
Nucleic Acid Databases
Veins

Keywords

  • Circulifer haematoceps
  • Iran
  • Sesame curly top virus
  • Sesamum indicum
  • Turncurtovirus

ASJC Scopus subject areas

  • Molecular Biology
  • Genetics
  • Virology

Cite this

Identification of a new turncurtovirus in the leafhopper Circulifer haematoceps and the host plant species Sesamum indicum. / Hasanvand, Vahid; Kamali, Mehdi; Heydarnejad, Jahangir; Massumi, Hossain; Kvarnheden, Anders; Varsani, Arvind.

In: Virus Genes, 01.01.2018.

Research output: Contribution to journalArticle

Hasanvand, Vahid ; Kamali, Mehdi ; Heydarnejad, Jahangir ; Massumi, Hossain ; Kvarnheden, Anders ; Varsani, Arvind. / Identification of a new turncurtovirus in the leafhopper Circulifer haematoceps and the host plant species Sesamum indicum. In: Virus Genes. 2018.
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abstract = "Turncurtoviruses (family: Geminiviridae; genus: Turncurtovirus) appear to have a high degree of genetic variation in Iran. Leafhoppers of the species Circulifer haematoceps (Mulsant and Rey, 1855) (family: Cicadellidae) were collected in 2014 from three geographical regions in south-eastern Iran (Orzoeyeh, Jiroft and Sirjan; Kerman province) and screened for the presence of turncurtoviruses using a combination of PCR and rolling circle amplification (RCA) methods. Eleven genomes of turncurtovirus were recovered and sequenced. Leafhoppers were sampled off sesame (S. indicum L.) and turnip (Brassica rapa sub sp. rapa). Thus, we identified three symptomatic sesame plants (yellowing, boat-shaped leaf curling, vein swelling on the lower leaf surfaces) from sesame farms in Jiroft. In these samples, we identified the same turncurtovirus as in the leafhoppers and have named it sesame curly top virus (SeCTV). Collectively, these SeCTV share > 98{\%} genome-wide pairwise identity and ~ 87.3{\%} to a recently identified turncurtovirus (sesame yellow mosaic virus; SeYMV) from sesame in Pakistan (GenBank accession MF344550). The SeCTV and SeYMV sequences share < 70{\%} genome-wide pairwise identity with isolates of Turnip curly top virus and Turnip leaf roll virus, the two species in the genus Turncurtovirus. Based on the pairwise identities and phylogenetic analysis, SeCTV (n = 12) and SeYMV (n = 1) represent two strains of a new species in the genus Turncurtovirus.",
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AB - Turncurtoviruses (family: Geminiviridae; genus: Turncurtovirus) appear to have a high degree of genetic variation in Iran. Leafhoppers of the species Circulifer haematoceps (Mulsant and Rey, 1855) (family: Cicadellidae) were collected in 2014 from three geographical regions in south-eastern Iran (Orzoeyeh, Jiroft and Sirjan; Kerman province) and screened for the presence of turncurtoviruses using a combination of PCR and rolling circle amplification (RCA) methods. Eleven genomes of turncurtovirus were recovered and sequenced. Leafhoppers were sampled off sesame (S. indicum L.) and turnip (Brassica rapa sub sp. rapa). Thus, we identified three symptomatic sesame plants (yellowing, boat-shaped leaf curling, vein swelling on the lower leaf surfaces) from sesame farms in Jiroft. In these samples, we identified the same turncurtovirus as in the leafhoppers and have named it sesame curly top virus (SeCTV). Collectively, these SeCTV share > 98% genome-wide pairwise identity and ~ 87.3% to a recently identified turncurtovirus (sesame yellow mosaic virus; SeYMV) from sesame in Pakistan (GenBank accession MF344550). The SeCTV and SeYMV sequences share < 70% genome-wide pairwise identity with isolates of Turnip curly top virus and Turnip leaf roll virus, the two species in the genus Turncurtovirus. Based on the pairwise identities and phylogenetic analysis, SeCTV (n = 12) and SeYMV (n = 1) represent two strains of a new species in the genus Turncurtovirus.

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