Evidence of a tomato spotted wilt virus resistance-breaking strain originated through natural reassortment between two evolutionary-distinct isolates

P. Margaria; M. Ciuffo; Cristina Rosa; M. Turina

doi:10.1016/j.virusres.2014.11.012

Evidence of a tomato spotted wilt virus resistance-breaking strain originated through natural reassortment between two evolutionary-distinct isolates

P. Margaria, M. Ciuffo, Cristina Rosa, M. Turina

Research output: Contribution to journal › Article › peer-review

23 Scopus citations

Abstract

A Tsw resistance-breaking tomato spotted wilt virus field isolate (TSWV-p331) found in northern Italy originated via reassortment from two evolutionary distinct TSWV strains, as revealed by recombination and phylogenetic analysis. Compared to the closest isolate present in the database, p331 NSs protein carries an unusually high number of amino acid substitutions, but no differences in the nucleocapsid protein. Despite these substitutions, p331 NSs is a potent silencing suppressor. As shown by phylogenetic analyses of TSWV nucleocapsid sequences collected over fifteen years, one likely p331 parental lineage has never been detected in northern Italy, allowing speculations on the origin of TSWV-p331.

Original language	English (US)
Pages (from-to)	157-161
Number of pages	5
Journal	Virus Research
Volume	196
DOIs	https://doi.org/10.1016/j.virusres.2014.11.012
State	Published - Jan 22 2015

All Science Journal Classification (ASJC) codes

Cancer Research
Virology
Infectious Diseases

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10.1016/j.virusres.2014.11.012

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title = "Evidence of a tomato spotted wilt virus resistance-breaking strain originated through natural reassortment between two evolutionary-distinct isolates",

abstract = "A Tsw resistance-breaking tomato spotted wilt virus field isolate (TSWV-p331) found in northern Italy originated via reassortment from two evolutionary distinct TSWV strains, as revealed by recombination and phylogenetic analysis. Compared to the closest isolate present in the database, p331 NSs protein carries an unusually high number of amino acid substitutions, but no differences in the nucleocapsid protein. Despite these substitutions, p331 NSs is a potent silencing suppressor. As shown by phylogenetic analyses of TSWV nucleocapsid sequences collected over fifteen years, one likely p331 parental lineage has never been detected in northern Italy, allowing speculations on the origin of TSWV-p331.",

author = "P. Margaria and M. Ciuffo and Cristina Rosa and M. Turina",

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T1 - Evidence of a tomato spotted wilt virus resistance-breaking strain originated through natural reassortment between two evolutionary-distinct isolates

AU - Margaria, P.

AU - Ciuffo, M.

AU - Rosa, Cristina

AU - Turina, M.

PY - 2015/1/22

Y1 - 2015/1/22

N2 - A Tsw resistance-breaking tomato spotted wilt virus field isolate (TSWV-p331) found in northern Italy originated via reassortment from two evolutionary distinct TSWV strains, as revealed by recombination and phylogenetic analysis. Compared to the closest isolate present in the database, p331 NSs protein carries an unusually high number of amino acid substitutions, but no differences in the nucleocapsid protein. Despite these substitutions, p331 NSs is a potent silencing suppressor. As shown by phylogenetic analyses of TSWV nucleocapsid sequences collected over fifteen years, one likely p331 parental lineage has never been detected in northern Italy, allowing speculations on the origin of TSWV-p331.

AB - A Tsw resistance-breaking tomato spotted wilt virus field isolate (TSWV-p331) found in northern Italy originated via reassortment from two evolutionary distinct TSWV strains, as revealed by recombination and phylogenetic analysis. Compared to the closest isolate present in the database, p331 NSs protein carries an unusually high number of amino acid substitutions, but no differences in the nucleocapsid protein. Despite these substitutions, p331 NSs is a potent silencing suppressor. As shown by phylogenetic analyses of TSWV nucleocapsid sequences collected over fifteen years, one likely p331 parental lineage has never been detected in northern Italy, allowing speculations on the origin of TSWV-p331.

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JO - Virus Research

JF - Virus Research

ER -

Evidence of a tomato spotted wilt virus resistance-breaking strain originated through natural reassortment between two evolutionary-distinct isolates

Abstract

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