Phylogenetic analysis of Tomato mosaic virus from Hemerocallis sp. and Impatiens hawkeri Análise filogenética de Tomato mosaic virus isolado de Hemerocallis sp. e Impatiens hawkeri

The culture and commercialization of ornamental plants have considerably increased in the last years. To supply the commercial demand, several Hemerocallis and Impatiens varieties have been bred for appreciated qualities such as flowers with a diversity of shapes and colors. With the aim of characte...

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Main Authors: Lígia Maria Lembo Duarte, Maria Amélia Vaz Alexandre, Eliana Borges Rivas, Marina Blanco Cattai, Rodrigo Martins Soares, Ricardo Harakava, Flora Maria Campos Fernandes
Format: Article
Language:English
Published: Grupo Paulista de Fitopatologia 2007-12-01
Series:Summa Phytopathologica
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-54052007000400016
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spelling doaj-513d58c3df654d728e70b659f8d1e6fd2020-11-25T00:58:10ZengGrupo Paulista de FitopatologiaSumma Phytopathologica0100-54052007-12-0133440941310.1590/S0100-54052007000400016Phylogenetic analysis of Tomato mosaic virus from Hemerocallis sp. and Impatiens hawkeri Análise filogenética de Tomato mosaic virus isolado de Hemerocallis sp. e Impatiens hawkeriLígia Maria Lembo DuarteMaria Amélia Vaz AlexandreEliana Borges RivasMarina Blanco CattaiRodrigo Martins SoaresRicardo HarakavaFlora Maria Campos FernandesThe culture and commercialization of ornamental plants have considerably increased in the last years. To supply the commercial demand, several Hemerocallis and Impatiens varieties have been bred for appreciated qualities such as flowers with a diversity of shapes and colors. With the aim of characterizing the tobamovirus isolated from Hemerocallis sp. (tobamo-H) and Impatiens hawkeri (tobamo-I) from the USA and São Paulo, respectively, as well as to establish phylogenetic relationships between them and other Tobamovirus species, the viruses were submitted to RNA extraction, RT-PCR amplification, coat-protein gene sequencing and phylogenetic analyses. Comparison of tobamovirus homologous sequences yielded values superior to 98.5% of identity with Tomato mosaic virus (ToMV) isolates at the nucleotide level. In relation to tobamo-H, 100% of identity with ToMV from tomatoes from Australia and Peru was found. Based on maximum likelihood (ML) analysis it was suggested that tobamo-H and tobamo-I share a common ancestor with ToMV, Tobacco mosaic virus, Odontoglossum ringspot virus and Pepper mild mottle virus. The tree topology reconstructed under ML methodology shows a monophyletic group, supported by 100% of bootstrap, consisting of various ToMV isolates from different hosts, including some ornamentals, from different geographical locations. The results indicate that Hemerocallis sp. and I. hawkeri are infected by ToMV. This is the first report of the occurrence of this virus in ornamental species in Brazil.<br>O cultivo e comercialização de plantas ornamentais têm aumentado consideravelmente nos últimos anos. Para suprir a demanda comercial, diversas variedades de Hemerocallis sp. e Impatiens hawkeri têm sido desenvolvidas pelas qualidades apreciáveis como flores com diversidade de formas e cores. Com o objetivo de caracterizar o tobamovirus isolado de Hemerocallis sp. (tobamo-H) e Impatiens hawkeri (tobamo-I) provenientes dos EUA e São Paulo, respectivamente, assim como estabelecer relações filogenéticas entre os isolados e outras espécies de Tobamovirus, foram realizados extrações do RNA, RT-PCR, seqüenciamento do gene da capa protéica e análises filogenéticas. Quando foram comparadas seqüências homólogas de tobamovirus, valores superiores a 98,5% de identidade, ao nível de nucleotídeos, foram obtidos com isolados do Tomato mosaic virus (ToMV). Em relação ao tobamo-H, foi encontrado 100% de identidade com o ToMV isolado de tomateiro da Austrália e do Peru. Com base em análise de máxima verossimilhança (MV), sugere-se que o tobamo-H e tobamo-I compartilham um ancestral comum com ToMV, Tobacco mosaic virus, Odontoglossum ringspot virus e Pepper mild mottle virus. A topologia da árvore reconstruída a partir de MV mostra um grupo monofilético, sustentado por 100% de "bootstrap", formado por vários isolados de ToMV de diferentes hospedeiras, incluindo ornamentais, a partir de diferentes localizações geográficas. Os resultados indicam que Hemerocallis sp.e I. hawkeri estão infectados pelo ToMV, sendo esse o primeiro relato desse vírus em ornamentais, no Brasil.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-54052007000400016máxima parcimôniamáxima verossimilhançasubgrupos de Tobamovirusplantas ornamentaismaximum parsimonymaximum likelihoodTobamovirus subgroupsornamental plants
collection DOAJ
language English
format Article
sources DOAJ
author Lígia Maria Lembo Duarte
Maria Amélia Vaz Alexandre
Eliana Borges Rivas
Marina Blanco Cattai
Rodrigo Martins Soares
Ricardo Harakava
Flora Maria Campos Fernandes
spellingShingle Lígia Maria Lembo Duarte
Maria Amélia Vaz Alexandre
Eliana Borges Rivas
Marina Blanco Cattai
Rodrigo Martins Soares
Ricardo Harakava
Flora Maria Campos Fernandes
Phylogenetic analysis of Tomato mosaic virus from Hemerocallis sp. and Impatiens hawkeri Análise filogenética de Tomato mosaic virus isolado de Hemerocallis sp. e Impatiens hawkeri
Summa Phytopathologica
máxima parcimônia
máxima verossimilhança
subgrupos de Tobamovirus
plantas ornamentais
maximum parsimony
maximum likelihood
Tobamovirus subgroups
ornamental plants
author_facet Lígia Maria Lembo Duarte
Maria Amélia Vaz Alexandre
Eliana Borges Rivas
Marina Blanco Cattai
Rodrigo Martins Soares
Ricardo Harakava
Flora Maria Campos Fernandes
author_sort Lígia Maria Lembo Duarte
title Phylogenetic analysis of Tomato mosaic virus from Hemerocallis sp. and Impatiens hawkeri Análise filogenética de Tomato mosaic virus isolado de Hemerocallis sp. e Impatiens hawkeri
title_short Phylogenetic analysis of Tomato mosaic virus from Hemerocallis sp. and Impatiens hawkeri Análise filogenética de Tomato mosaic virus isolado de Hemerocallis sp. e Impatiens hawkeri
title_full Phylogenetic analysis of Tomato mosaic virus from Hemerocallis sp. and Impatiens hawkeri Análise filogenética de Tomato mosaic virus isolado de Hemerocallis sp. e Impatiens hawkeri
title_fullStr Phylogenetic analysis of Tomato mosaic virus from Hemerocallis sp. and Impatiens hawkeri Análise filogenética de Tomato mosaic virus isolado de Hemerocallis sp. e Impatiens hawkeri
title_full_unstemmed Phylogenetic analysis of Tomato mosaic virus from Hemerocallis sp. and Impatiens hawkeri Análise filogenética de Tomato mosaic virus isolado de Hemerocallis sp. e Impatiens hawkeri
title_sort phylogenetic analysis of tomato mosaic virus from hemerocallis sp. and impatiens hawkeri análise filogenética de tomato mosaic virus isolado de hemerocallis sp. e impatiens hawkeri
publisher Grupo Paulista de Fitopatologia
series Summa Phytopathologica
issn 0100-5405
publishDate 2007-12-01
description The culture and commercialization of ornamental plants have considerably increased in the last years. To supply the commercial demand, several Hemerocallis and Impatiens varieties have been bred for appreciated qualities such as flowers with a diversity of shapes and colors. With the aim of characterizing the tobamovirus isolated from Hemerocallis sp. (tobamo-H) and Impatiens hawkeri (tobamo-I) from the USA and São Paulo, respectively, as well as to establish phylogenetic relationships between them and other Tobamovirus species, the viruses were submitted to RNA extraction, RT-PCR amplification, coat-protein gene sequencing and phylogenetic analyses. Comparison of tobamovirus homologous sequences yielded values superior to 98.5% of identity with Tomato mosaic virus (ToMV) isolates at the nucleotide level. In relation to tobamo-H, 100% of identity with ToMV from tomatoes from Australia and Peru was found. Based on maximum likelihood (ML) analysis it was suggested that tobamo-H and tobamo-I share a common ancestor with ToMV, Tobacco mosaic virus, Odontoglossum ringspot virus and Pepper mild mottle virus. The tree topology reconstructed under ML methodology shows a monophyletic group, supported by 100% of bootstrap, consisting of various ToMV isolates from different hosts, including some ornamentals, from different geographical locations. The results indicate that Hemerocallis sp. and I. hawkeri are infected by ToMV. This is the first report of the occurrence of this virus in ornamental species in Brazil.<br>O cultivo e comercialização de plantas ornamentais têm aumentado consideravelmente nos últimos anos. Para suprir a demanda comercial, diversas variedades de Hemerocallis sp. e Impatiens hawkeri têm sido desenvolvidas pelas qualidades apreciáveis como flores com diversidade de formas e cores. Com o objetivo de caracterizar o tobamovirus isolado de Hemerocallis sp. (tobamo-H) e Impatiens hawkeri (tobamo-I) provenientes dos EUA e São Paulo, respectivamente, assim como estabelecer relações filogenéticas entre os isolados e outras espécies de Tobamovirus, foram realizados extrações do RNA, RT-PCR, seqüenciamento do gene da capa protéica e análises filogenéticas. Quando foram comparadas seqüências homólogas de tobamovirus, valores superiores a 98,5% de identidade, ao nível de nucleotídeos, foram obtidos com isolados do Tomato mosaic virus (ToMV). Em relação ao tobamo-H, foi encontrado 100% de identidade com o ToMV isolado de tomateiro da Austrália e do Peru. Com base em análise de máxima verossimilhança (MV), sugere-se que o tobamo-H e tobamo-I compartilham um ancestral comum com ToMV, Tobacco mosaic virus, Odontoglossum ringspot virus e Pepper mild mottle virus. A topologia da árvore reconstruída a partir de MV mostra um grupo monofilético, sustentado por 100% de "bootstrap", formado por vários isolados de ToMV de diferentes hospedeiras, incluindo ornamentais, a partir de diferentes localizações geográficas. Os resultados indicam que Hemerocallis sp.e I. hawkeri estão infectados pelo ToMV, sendo esse o primeiro relato desse vírus em ornamentais, no Brasil.
topic máxima parcimônia
máxima verossimilhança
subgrupos de Tobamovirus
plantas ornamentais
maximum parsimony
maximum likelihood
Tobamovirus subgroups
ornamental plants
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-54052007000400016
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