Biological and physicochemical properties of cowpea severe mosaic comovirus isolated from soybean in the State of Paraná

Bertacini, Paula V.; Almeida, A. M. R.; Lima, J.A.; Chagas, C. M.

doi:10.1590/s1516-89131998000400004

Cited by 6 publications

(5 citation statements)

References 8 publications

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“…Em seguida, vários isolados de CpSMV foram obtidos no Laboratório de Virologia Vegetal da Universidade Federal do Ceará em plantios de caupi naturalmente infetados: CpSMV-Pi isolado no estado do Piauí (Lima et al,1986a); CpSMV-Pe isolado no estado de Pernambuco; CpSMV -Pr isolado de soja [Glycine max (L.) Merril. ], no estado do Paraná (Bertacini et al, 1998 ) e o CpSMV-Mc, assim designado por infetar a cv 'Macaibo', imune aos demais isolados até então obtidos no Brasil (Lima et al, 1992).…”

Section: Introductionunclassified

Genes diferentes podem conferir resistência ao Cowpea severe mosaic virus em caupi

et al. 2005

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O caupi (Vigna unguiculata) é uma importante leguminosa cultivada principlamente por pequenos agricultores da região Nordeste. Doenças ocasionadas por vírus podem constituir o principal fator limitante da produção do caupi, destacando-se, nesse aspecto, o mosaico severo, causado pelo Cowpea severe mosaic virus (CpSMV), família Comoviridae, gênero Comovirus. A resistência tem sido considerada como a melhor alternativa no controle dessa virose e diversas fontes promissoras têm sido relatadas, como as cultivares Macaibo e CNC 0434, e a linhagem L254.008. As investigações sobre a base genética da resistência ao CpSMV nesses materiais têm conduzido a resultados semelhantes, sendo a resistência herdada como uma característica monogênica recessiva. No entanto, até então, nenhum trabalho havia investigado o alelismo dos genes de resistência dessas fontes. No presente trabalho foram realizados estudos visando esclarecer essa questão nas três fontes de resistência; 'Macaibo', 'CNC0434' e L254.008. Plantas dos referidos genótipos foram cruzadas de maneira direta e recíproca originando seis populações F1 e F2. Inoculações controladas dessas populações com o isolado CpSMV-Re1 permitiram concluir que o gene de resistência de 'Macaibo' é o mesmo de 'CNC-0434', distinto daquele encontrado na linhagem L254.008.

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Section: Introductionunclassified

Genes diferentes podem conferir resistência ao Cowpea severe mosaic virus em caupi

et al. 2005

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“…The evaluation of the protection was accomplished by the visual observation of plants exhibiting typical virus symptoms (mosaic, leaf deformation and leaf blisters) and by determining the disease´s incidence (test plants with symptoms/total) in each treatment 30 and 60 days after the inoculation. When necessary, the indirect DAS-ELISA test was carried out, as described previously (Bertacini et al, 1998;Novaes and Rezende, 2003) to prove that the symptomless plants were not infected by CABMV. The treatments that received mushroom extracts were compared individually with the control by Independence χ 2 test (P<0.05).…”

Section: Plants and Pathogenmentioning

confidence: 99%

Effect of Agaricus brasiliensis and Lentinula edodes mushrooms on the infection of passionflower with Cowpea aphid-borne mosaic virus

Piero

Novaes

Pascholati

2010

Braz. arch. biol. technol.

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“…Most viruses are loaded into phloem vessels in this manner, and transported with the photoassimilates to several plant organs (Kehr and Buhtz 2008). At this stage, many particles are available to be transmitted to another compatible plant, for example using an insect vector, as observed by Cowpea severe mosaic comovirus in soybean (Bertacini et al, 1998), thereby beginning a new life cycle. The host is not passive, however, during these processes.…”

Section: How Do the Plants Defend Themselves Against Viruses?mentioning

confidence: 99%

Biotechnological approaches for plant viruses resistance: from general to the modern RNA silencing pathway

Rodrigues¹,

Lindsey²,

Fernandes³

2009

Braz. arch. biol. technol.

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Virus diseases are significant threats to modern agriculture and their control remains a challenge to the management of cultivation. The main virus resistance strategies are based on either natural resistance or engineered virus-resistant plants. Recent progress in understanding the molecular mechanisms underlying the roles of resistance genes has promoted the development of new anti-virus strategies. Engineered plants, in particular plants expressing RNA-silencing nucleotides, are becoming increasingly important and are likely to provide more effective strategies in future. A general discussion on the biotechnology of plant responses to virus infection isfollowed by recent advances in engineered plant resistance.

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Biological and physicochemical properties of cowpea severe mosaic comovirus isolated from soybean in the State of Paraná

Abstract: ABSTRACT

Cited by 6 publications

References 8 publications

Genes diferentes podem conferir resistência ao Cowpea severe mosaic virus em caupi

Genes diferentes podem conferir resistência ao Cowpea severe mosaic virus em caupi

Effect of Agaricus brasiliensis and Lentinula edodes mushrooms on the infection of passionflower with Cowpea aphid-borne mosaic virus

Biotechnological approaches for plant viruses resistance: from general to the modern RNA silencing pathway

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