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Check the list of papers from NScTI Citrus
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2021
Chabi-Jesus, Camila; Ramos-González, Pedro L.; Postclam-Barro, Matheus; Fontenele, Rafaela Salgado; Harakava, Ricardo; Bassanezi, Renato B.; Moreira, Alecio S.; Kitajima, Elliot W.; Varsani, Arvind; Freitas-Astúa, Juliana
Molecular Epidemiology of Citrus Leprosis Virus C: A New Viral Lineage and Phylodynamic of the Main Viral Subpopulations in the Americas Journal Article
In: Frontiers in Microbiology, vol. 12, pp. 986, 2021, ISSN: 1664302X.
Abstract | Links | BibTeX | Tags: Brevipalpus mites, Cilevirus, citrus leprosis disease, Kitaviridae, virus evolution
@article{nokey,
title = {Molecular Epidemiology of Citrus Leprosis Virus C: A New Viral Lineage and Phylodynamic of the Main Viral Subpopulations in the Americas},
author = {Camila Chabi-Jesus and Pedro L. Ramos-González and Matheus Postclam-Barro and Rafaela Salgado Fontenele and Ricardo Harakava and Renato B. Bassanezi and Alecio S. Moreira and Elliot W. Kitajima and Arvind Varsani and Juliana Freitas-Astúa},
doi = {10.3389/FMICB.2021.641252/BIBTEX},
issn = {1664302X},
year = {2021},
date = {2021-01-01},
journal = {Frontiers in Microbiology},
volume = {12},
pages = {986},
publisher = {Frontiers Media S.A.},
abstract = {Despite the importance of viral strains/variants as agents of emerging diseases, genetic and evolutionary processes affecting their ecology are not fully understood. To get insight into this topic, we assessed the population and spatial dynamic parameters of citrus leprosis virus C (CiLV-C, genus Cilevirus, family Kitaviridae). CiLV-C is the etiological agent of citrus leprosis disease, a non-systemic infection considered the main viral disorder affecting citrus orchards in Brazil. Overall, we obtained 18 complete or near-complete viral genomes, 123 complete nucleotide sequences of the open reading frame (ORF) encoding the putative coat protein, and 204 partial nucleotide sequences of the ORF encoding the movement protein, from 430 infected Citrus spp. samples collected between 1932 and 2020. A thorough examination of the collected dataset suggested that the CiLV-C population consists of the major lineages CRD and SJP, unevenly distributed, plus a third one called ASU identified in this work, which is represented by a single isolate found in an herbarium sample collected in Asuncion, Paraguay, in 1937. Viruses from the three lineages share about 85% nucleotide sequence identity and show signs of inter-clade recombination events. Members of the lineage CRD were identified both in commercial and non-commercial citrus orchards. However, those of the lineages SJP were exclusively detected in samples collected in the citrus belt of São Paulo and Minas Gerais, the leading Brazilian citrus production region, after 2015. The most recent common ancestor of viruses of the three lineages dates back to, at least, ∼1500 years ago. Since citrus plants were introduced in the Americas by the Portuguese around the 1520s, the Bayesian phylodynamic analysis suggested that the ancestors of the main CiLV-C lineages likely originated in contact with native vegetation of South America. The intensive expansion of CRD and SJP lineages in Brazil started probably linked to the beginning of the local citrus industry. The high prevalence of CiLV-C in the citrus belt of Brazil likely ensues from the intensive connectivity between orchards, which represents a potential risk toward pathogen saturation across the region.},
keywords = {Brevipalpus mites, Cilevirus, citrus leprosis disease, Kitaviridae, virus evolution},
pubstate = {published},
tppubtype = {article}
}
Despite the importance of viral strains/variants as agents of emerging diseases, genetic and evolutionary processes affecting their ecology are not fully understood. To get insight into this topic, we assessed the population and spatial dynamic parameters of citrus leprosis virus C (CiLV-C, genus Cilevirus, family Kitaviridae). CiLV-C is the etiological agent of citrus leprosis disease, a non-systemic infection considered the main viral disorder affecting citrus orchards in Brazil. Overall, we obtained 18 complete or near-complete viral genomes, 123 complete nucleotide sequences of the open reading frame (ORF) encoding the putative coat protein, and 204 partial nucleotide sequences of the ORF encoding the movement protein, from 430 infected Citrus spp. samples collected between 1932 and 2020. A thorough examination of the collected dataset suggested that the CiLV-C population consists of the major lineages CRD and SJP, unevenly distributed, plus a third one called ASU identified in this work, which is represented by a single isolate found in an herbarium sample collected in Asuncion, Paraguay, in 1937. Viruses from the three lineages share about 85% nucleotide sequence identity and show signs of inter-clade recombination events. Members of the lineage CRD were identified both in commercial and non-commercial citrus orchards. However, those of the lineages SJP were exclusively detected in samples collected in the citrus belt of São Paulo and Minas Gerais, the leading Brazilian citrus production region, after 2015. The most recent common ancestor of viruses of the three lineages dates back to, at least, ∼1500 years ago. Since citrus plants were introduced in the Americas by the Portuguese around the 1520s, the Bayesian phylodynamic analysis suggested that the ancestors of the main CiLV-C lineages likely originated in contact with native vegetation of South America. The intensive expansion of CRD and SJP lineages in Brazil started probably linked to the beginning of the local citrus industry. The high prevalence of CiLV-C in the citrus belt of Brazil likely ensues from the intensive connectivity between orchards, which represents a potential risk toward pathogen saturation across the region.
Chabi-Jesus, Camila; Ramos-González, Pedro L.; Postclam-Barro, Matheus; Fontenele, Rafaela Salgado; Harakava, Ricardo; Bassanezi, Renato B.; Moreira, Alecio S.; Kitajima, Elliot W.; Varsani, Arvind; Freitas-Astúa, Juliana
Molecular Epidemiology of Citrus Leprosis Virus C: A New Viral Lineage and Phylodynamic of the Main Viral Subpopulations in the Americas Journal Article
In: Frontiers in Microbiology, vol. 12, pp. 986, 2021, ISSN: 1664302X.
Abstract | Links | BibTeX | Tags: Brevipalpus mites, Cilevirus, citrus leprosis disease, Kitaviridae, virus evolution
@article{nokey,
title = {Molecular Epidemiology of Citrus Leprosis Virus C: A New Viral Lineage and Phylodynamic of the Main Viral Subpopulations in the Americas},
author = {Camila Chabi-Jesus and Pedro L. Ramos-González and Matheus Postclam-Barro and Rafaela Salgado Fontenele and Ricardo Harakava and Renato B. Bassanezi and Alecio S. Moreira and Elliot W. Kitajima and Arvind Varsani and Juliana Freitas-Astúa},
doi = {10.3389/FMICB.2021.641252/BIBTEX},
issn = {1664302X},
year = {2021},
date = {2021-01-01},
journal = {Frontiers in Microbiology},
volume = {12},
pages = {986},
publisher = {Frontiers Media S.A.},
abstract = {Despite the importance of viral strains/variants as agents of emerging diseases, genetic and evolutionary processes affecting their ecology are not fully understood. To get insight into this topic, we assessed the population and spatial dynamic parameters of citrus leprosis virus C (CiLV-C, genus Cilevirus, family Kitaviridae). CiLV-C is the etiological agent of citrus leprosis disease, a non-systemic infection considered the main viral disorder affecting citrus orchards in Brazil. Overall, we obtained 18 complete or near-complete viral genomes, 123 complete nucleotide sequences of the open reading frame (ORF) encoding the putative coat protein, and 204 partial nucleotide sequences of the ORF encoding the movement protein, from 430 infected Citrus spp. samples collected between 1932 and 2020. A thorough examination of the collected dataset suggested that the CiLV-C population consists of the major lineages CRD and SJP, unevenly distributed, plus a third one called ASU identified in this work, which is represented by a single isolate found in an herbarium sample collected in Asuncion, Paraguay, in 1937. Viruses from the three lineages share about 85% nucleotide sequence identity and show signs of inter-clade recombination events. Members of the lineage CRD were identified both in commercial and non-commercial citrus orchards. However, those of the lineages SJP were exclusively detected in samples collected in the citrus belt of São Paulo and Minas Gerais, the leading Brazilian citrus production region, after 2015. The most recent common ancestor of viruses of the three lineages dates back to, at least, ∼1500 years ago. Since citrus plants were introduced in the Americas by the Portuguese around the 1520s, the Bayesian phylodynamic analysis suggested that the ancestors of the main CiLV-C lineages likely originated in contact with native vegetation of South America. The intensive expansion of CRD and SJP lineages in Brazil started probably linked to the beginning of the local citrus industry. The high prevalence of CiLV-C in the citrus belt of Brazil likely ensues from the intensive connectivity between orchards, which represents a potential risk toward pathogen saturation across the region.},
keywords = {Brevipalpus mites, Cilevirus, citrus leprosis disease, Kitaviridae, virus evolution},
pubstate = {published},
tppubtype = {article}
}
Despite the importance of viral strains/variants as agents of emerging diseases, genetic and evolutionary processes affecting their ecology are not fully understood. To get insight into this topic, we assessed the population and spatial dynamic parameters of citrus leprosis virus C (CiLV-C, genus Cilevirus, family Kitaviridae). CiLV-C is the etiological agent of citrus leprosis disease, a non-systemic infection considered the main viral disorder affecting citrus orchards in Brazil. Overall, we obtained 18 complete or near-complete viral genomes, 123 complete nucleotide sequences of the open reading frame (ORF) encoding the putative coat protein, and 204 partial nucleotide sequences of the ORF encoding the movement protein, from 430 infected Citrus spp. samples collected between 1932 and 2020. A thorough examination of the collected dataset suggested that the CiLV-C population consists of the major lineages CRD and SJP, unevenly distributed, plus a third one called ASU identified in this work, which is represented by a single isolate found in an herbarium sample collected in Asuncion, Paraguay, in 1937. Viruses from the three lineages share about 85% nucleotide sequence identity and show signs of inter-clade recombination events. Members of the lineage CRD were identified both in commercial and non-commercial citrus orchards. However, those of the lineages SJP were exclusively detected in samples collected in the citrus belt of São Paulo and Minas Gerais, the leading Brazilian citrus production region, after 2015. The most recent common ancestor of viruses of the three lineages dates back to, at least, ∼1500 years ago. Since citrus plants were introduced in the Americas by the Portuguese around the 1520s, the Bayesian phylodynamic analysis suggested that the ancestors of the main CiLV-C lineages likely originated in contact with native vegetation of South America. The intensive expansion of CRD and SJP lineages in Brazil started probably linked to the beginning of the local citrus industry. The high prevalence of CiLV-C in the citrus belt of Brazil likely ensues from the intensive connectivity between orchards, which represents a potential risk toward pathogen saturation across the region.
2018
Dietzgen, Ralf G.; Tassi, Aline D.; Freitas-Astúa, Juliana; Kitajima, Elliot W.
First report of orchid fleck virus and its mite vector on green cordyline Journal Article
In: Australasian Plant Disease Notes, vol. 13, iss. 1, pp. 1-4, 2018, ISSN: 1833928X.
Abstract | Links | BibTeX | Tags: Brevipalpus mites, Cordyline terminalis, Dichorhavirus, Family Rhabdoviridae, Nucleoprotein gene sequence, RT-PCR
@article{Dietzgen2018,
title = {First report of orchid fleck virus and its mite vector on green cordyline},
author = {Ralf G. Dietzgen and Aline D. Tassi and Juliana Freitas-Astúa and Elliot W. Kitajima},
url = {https://link.springer.com/article/10.1007/s13314-018-0295-4},
doi = {10.1007/S13314-018-0295-4/FIGURES/3},
issn = {1833928X},
year = {2018},
date = {2018-01-01},
journal = {Australasian Plant Disease Notes},
volume = {13},
issue = {1},
pages = {1-4},
publisher = {Springer Netherlands},
abstract = {Orchid fleck virus (OFV) and its mite vector Brevipalpus californicus were for the first time identified on green cordyline plants showing distinctive chlorotic and necrotic ringspots. Thin section electron microscopy revealed bacilliform, dichorhavirus-like particles within nuclear viroplasms. RT-PCR using OFV degenerate primers yielded a single amplicon, the nucleotide sequence of which closely matched the nucleoprotein gene of OFV.},
keywords = {Brevipalpus mites, Cordyline terminalis, Dichorhavirus, Family Rhabdoviridae, Nucleoprotein gene sequence, RT-PCR},
pubstate = {published},
tppubtype = {article}
}
Orchid fleck virus (OFV) and its mite vector Brevipalpus californicus were for the first time identified on green cordyline plants showing distinctive chlorotic and necrotic ringspots. Thin section electron microscopy revealed bacilliform, dichorhavirus-like particles within nuclear viroplasms. RT-PCR using OFV degenerate primers yielded a single amplicon, the nucleotide sequence of which closely matched the nucleoprotein gene of OFV.