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 | Acesso ao texto completo restrito à biblioteca da Biblioteca Rui Tendinha. Para informações adicionais entre em contato com biblioteca@incaper.es.gov.br. |
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Registro Completo |
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Biblioteca(s): |
Biblioteca Rui Tendinha. |
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Data corrente: |
12/08/2019 |
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Data da última atualização: |
12/08/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
MELO, L; SILVA, E.; FLÔRES, D.; VENTURA, J. A.; COSTA, H.; BEDENDO, I. |
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Afiliação: |
Luciano Melo, ESALQ/USP; Eliane Silva, ESALQ/USP; Daniela Flôres, ESALQ/USP; Jose Aires Ventura, Incaper; Helcio Costa, Incaper; Ivan Bedendo, ESALQ/USP. |
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Título: |
A phytoplasma representative of a new subgroup, 16SrXIII-E, associated with Papaya apical curl necrosis. |
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Ano de publicação: |
2013 |
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Fonte/Imprenta: |
European Journal of Plant Pathology, v. 137, n. 3, p. 445-450, 2013. |
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Idioma: |
Inglês |
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Conteúdo: |
Papaya apical curl necrosis (PACN) has frequently been observed in several Brazilian states. Affected plants exhibit foliar chlorosis, curvature of the apex, shortening of the internodes leading to bunching of the crown leaves, necrosis of the young apical parts, leaf drop, and dieback. Naturally infected plants were sampled and subjected to PCR assays, which confirmed that a phytoplasma was associated with the disease. Sequencing of the 16S rRNA gene, conventional and computer-simulated RFLP analyses, and phylogenetic analysis allowed the determination of the PACN phytoplasma as a representative of a new subgroup, designated 16SrXIII-E. The phytoplasmas of various 16Sr groups, including 16SrI, 16SrII, 16SrX, 16SrXII, and 16SrXVII, are known to be involved in anomalies in papaya plants in several countries. However, the present study reports, for the first time, the occurrence of a 16SrXIII phytoplasma in association with a papaya disease. |
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Palavras-Chave: |
Espírito Santo (Estado). |
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Thesaurus NAL: |
Dieback; Mollicutes; Papaya apical; Phloem bacteria; Phytoplasma classification. |
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Categoria do assunto: |
V Taxonomia de Organismos |
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Marc: |
LEADER 01702naa a2200253 a 4500
001 1021538
005 2019-08-12
008 2013 bl uuuu u00u1 u #d
100 1 $aMELO, L
245 $aA phytoplasma representative of a new subgroup, 16SrXIII-E, associated with Papaya apical curl necrosis.$h[electronic resource]
260 $c2013
520 $aPapaya apical curl necrosis (PACN) has frequently been observed in several Brazilian states. Affected plants exhibit foliar chlorosis, curvature of the apex, shortening of the internodes leading to bunching of the crown leaves, necrosis of the young apical parts, leaf drop, and dieback. Naturally infected plants were sampled and subjected to PCR assays, which confirmed that a phytoplasma was associated with the disease. Sequencing of the 16S rRNA gene, conventional and computer-simulated RFLP analyses, and phylogenetic analysis allowed the determination of the PACN phytoplasma as a representative of a new subgroup, designated 16SrXIII-E. The phytoplasmas of various 16Sr groups, including 16SrI, 16SrII, 16SrX, 16SrXII, and 16SrXVII, are known to be involved in anomalies in papaya plants in several countries. However, the present study reports, for the first time, the occurrence of a 16SrXIII phytoplasma in association with a papaya disease.
650 $aDieback
650 $aMollicutes
650 $aPapaya apical
650 $aPhloem bacteria
650 $aPhytoplasma classification
653 $aEspírito Santo (Estado)
700 1 $aSILVA, E.
700 1 $aFLÔRES, D.
700 1 $aVENTURA, J. A.
700 1 $aCOSTA, H.
700 1 $aBEDENDO, I.
773 $tEuropean Journal of Plant Pathology$gv. 137, n. 3, p. 445-450, 2013.
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Registro original: |
Biblioteca Rui Tendinha (BRT) |
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Tipo/Formato |
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| Acesso ao texto completo restrito à biblioteca da Biblioteca Rui Tendinha. Para informações adicionais entre em contato com biblioteca@incaper.es.gov.br. |
|
Registro Completo |
|
Biblioteca(s): |
Biblioteca Rui Tendinha. |
|
Data corrente: |
08/03/2018 |
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Data da última atualização: |
08/03/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
LOPES, U. P.; ALFENAS, R. A.; ZAMBOLIM, L.; CROUS, P. W.; COSTA, H.; PEREIRA, O. L. |
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Afiliação: |
Ueder P. Lopes, UFRP; Rafael F. Alfenas, UFMT; Laércio Zambolim, UFV; Pedro W. Crous, CBS-KNAW Fungal Biodiversity Centre Utrecht; Helcio Costa, Incaper; Olinto L. Pereira, UFV. |
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Título: |
A new species of Calonectria causing rot on ripe strawberry fruit in Brazil. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Australasian Plant Pathology, v. 47, n. 1, p. 1-11, 2018. |
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Idioma: |
Inglês |
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Conteúdo: |
A major problem in the strawberry production chain is the occurrence of fruit rot caused by fungi, thus, accurate identification of the pathogens associated with these rots is important for suitable management of diseases. During an assessment of postharvest diseases of strawberry plants, a rot caused by Calonectria was found. The surface of the infected fruits showed a slight leakage of liquid and the presence of mycelium with clearly defined hyphae containing a mass of conidiophores and conidia. Morphological examination was performed on isolates derived from single germinated conidium cultures, and phylogenetic analyses of four DNA loci (β-tubulin, histone H3, elongation factor and calmodulin) was undertaken. In order to confirm the pathogenicity, strawberry fruits and plants were dipped or sprayed with a conidial suspension. Strawberry fruits showed rot symptoms similar to those initially observed, and the plants developed leaf spot symptoms. The fungus was successfully reisolated from the infected tissues. Based on morphological and phylogenetic analysis, the fungus was shown to be distinct, and is described here as Calonectria fragariae sp. nov. This finding provides additional information for the better understanding of strawberry diseases in Brazil, enabling the development of more effective strategies of management of these diseases. |
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Palavras-Chave: |
Doença; Morango. |
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Thesaurus NAL: |
Ananassa; Cylindrocladium; Disease; Eucalyptus; Fragaria; Strawberry. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02102naa a2200277 a 4500
001 1019206
005 2018-03-08
008 2018 bl uuuu u00u1 u #d
100 1 $aLOPES, U. P.
245 $aA new species of Calonectria causing rot on ripe strawberry fruit in Brazil.$h[electronic resource]
260 $c2018
520 $aA major problem in the strawberry production chain is the occurrence of fruit rot caused by fungi, thus, accurate identification of the pathogens associated with these rots is important for suitable management of diseases. During an assessment of postharvest diseases of strawberry plants, a rot caused by Calonectria was found. The surface of the infected fruits showed a slight leakage of liquid and the presence of mycelium with clearly defined hyphae containing a mass of conidiophores and conidia. Morphological examination was performed on isolates derived from single germinated conidium cultures, and phylogenetic analyses of four DNA loci (β-tubulin, histone H3, elongation factor and calmodulin) was undertaken. In order to confirm the pathogenicity, strawberry fruits and plants were dipped or sprayed with a conidial suspension. Strawberry fruits showed rot symptoms similar to those initially observed, and the plants developed leaf spot symptoms. The fungus was successfully reisolated from the infected tissues. Based on morphological and phylogenetic analysis, the fungus was shown to be distinct, and is described here as Calonectria fragariae sp. nov. This finding provides additional information for the better understanding of strawberry diseases in Brazil, enabling the development of more effective strategies of management of these diseases.
650 $aAnanassa
650 $aCylindrocladium
650 $aDisease
650 $aEucalyptus
650 $aFragaria
650 $aStrawberry
653 $aDoença
653 $aMorango
700 1 $aALFENAS, R. A.
700 1 $aZAMBOLIM, L.
700 1 $aCROUS, P. W.
700 1 $aCOSTA, H.
700 1 $aPEREIRA, O. L.
773 $tAustralasian Plant Pathology$gv. 47, n. 1, p. 1-11, 2018.
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