The prehistory of potyviruses: their initial radiation was during the dawn of agriculture.

<h4>Background</h4>Potyviruses are found world wide, are spread by probing aphids and cause considerable crop damage. Potyvirus is one of the two largest plant virus genera and contains about 15% of all named plant virus species. When and why did the potyviruses become so numerous? Here...

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Autores principales:	Adrian J Gibbs, Kazusato Ohshima, Matthew J Phillips, Mark J Gibbs
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2008
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/69f9398cb27142fe81b97c092041b8e2
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spelling	oai:doaj.org-article:69f9398cb27142fe81b97c092041b8e22021-11-25T06:11:53ZThe prehistory of potyviruses: their initial radiation was during the dawn of agriculture.1932-620310.1371/journal.pone.0002523https://doaj.org/article/69f9398cb27142fe81b97c092041b8e22008-06-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/18575612/?tool=EBIhttps://doaj.org/toc/1932-6203<h4>Background</h4>Potyviruses are found world wide, are spread by probing aphids and cause considerable crop damage. Potyvirus is one of the two largest plant virus genera and contains about 15% of all named plant virus species. When and why did the potyviruses become so numerous? Here we answer the first question and discuss the other.<h4>Methods and findings</h4>We have inferred the phylogenies of the partial coat protein gene sequences of about 50 potyviruses, and studied in detail the phylogenies of some using various methods and evolutionary models. Their phylogenies have been calibrated using historical isolation and outbreak events: the plum pox virus epidemic which swept through Europe in the 20th century, incursions of potyviruses into Australia after agriculture was established by European colonists, the likely transport of cowpea aphid-borne mosaic virus in cowpea seed from Africa to the Americas with the 16th century slave trade and the similar transport of papaya ringspot virus from India to the Americas.<h4>Conclusions/significance</h4>Our studies indicate that the partial coat protein genes of potyviruses have an evolutionary rate of about 1.15x10(-4) nucleotide substitutions/site/year, and the initial radiation of the potyviruses occurred only about 6,600 years ago, and hence coincided with the dawn of agriculture. We discuss the ways in which agriculture may have triggered the prehistoric emergence of potyviruses and fostered their speciation.Adrian J GibbsKazusato OhshimaMatthew J PhillipsMark J GibbsPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 3, Iss 6, p e2523 (2008)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Adrian J Gibbs Kazusato Ohshima Matthew J Phillips Mark J Gibbs The prehistory of potyviruses: their initial radiation was during the dawn of agriculture.
description	<h4>Background</h4>Potyviruses are found world wide, are spread by probing aphids and cause considerable crop damage. Potyvirus is one of the two largest plant virus genera and contains about 15% of all named plant virus species. When and why did the potyviruses become so numerous? Here we answer the first question and discuss the other.<h4>Methods and findings</h4>We have inferred the phylogenies of the partial coat protein gene sequences of about 50 potyviruses, and studied in detail the phylogenies of some using various methods and evolutionary models. Their phylogenies have been calibrated using historical isolation and outbreak events: the plum pox virus epidemic which swept through Europe in the 20th century, incursions of potyviruses into Australia after agriculture was established by European colonists, the likely transport of cowpea aphid-borne mosaic virus in cowpea seed from Africa to the Americas with the 16th century slave trade and the similar transport of papaya ringspot virus from India to the Americas.<h4>Conclusions/significance</h4>Our studies indicate that the partial coat protein genes of potyviruses have an evolutionary rate of about 1.15x10(-4) nucleotide substitutions/site/year, and the initial radiation of the potyviruses occurred only about 6,600 years ago, and hence coincided with the dawn of agriculture. We discuss the ways in which agriculture may have triggered the prehistoric emergence of potyviruses and fostered their speciation.
format	article
author	Adrian J Gibbs Kazusato Ohshima Matthew J Phillips Mark J Gibbs
author_facet	Adrian J Gibbs Kazusato Ohshima Matthew J Phillips Mark J Gibbs
author_sort	Adrian J Gibbs
title	The prehistory of potyviruses: their initial radiation was during the dawn of agriculture.
title_short	The prehistory of potyviruses: their initial radiation was during the dawn of agriculture.
title_full	The prehistory of potyviruses: their initial radiation was during the dawn of agriculture.
title_fullStr	The prehistory of potyviruses: their initial radiation was during the dawn of agriculture.
title_full_unstemmed	The prehistory of potyviruses: their initial radiation was during the dawn of agriculture.
title_sort	prehistory of potyviruses: their initial radiation was during the dawn of agriculture.
publisher	Public Library of Science (PLoS)
publishDate	2008
url	https://doaj.org/article/69f9398cb27142fe81b97c092041b8e2
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The prehistory of potyviruses: their initial radiation was during the dawn of agriculture.

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