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Registro Completo |
Biblioteca(s): |
Biblioteca Rui Tendinha. |
Data corrente: |
06/07/2020 |
Data da última atualização: |
06/07/2020 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
MOURA, R. D.; CASTRO, L. A. M. de; CULIK, M. P.; FERNANDES, A. A. R.; FERNANDES, P. M. B.; VENTURA, J. A. |
Afiliação: |
Raíssa Debacker Moura; Luiza Adami Monteiro de Castro; Mark Paul Culik, CNPq/Incaper; Antônio Alberto Ribeiro Fernandes; Patricia Machado Bueno Fernandes; Jose Aires Ventura, Incaper. |
Título: |
Culture medium for improved production of conidia for identification and systematic studies of Fusarium pathogens. |
Ano de publicação: |
2020 |
Fonte/Imprenta: |
Journal of Microbiological Methods, v. 173, June 2020. |
DOI: |
10.1016/j.mimet.2020.105915 |
Idioma: |
Inglês |
Conteúdo: |
Fusarium guttiforme and Fusarium ananatum are the etiological agents of fusariosis and fruitlet core rot in pineapple, espectively, producing mycotoxins that are harmful to the health of consumers. These two fungi are morphologically similar and difficulty in obtaining macroconidia of the species limits their identification. Different types of media are available for the culture of these pathogens, but not all of them favor F. ananatum
and F. guttiforme macroconidia production. Therefore, the objective of this study was to develop a simple culture medium to improve rapid macro- and microconidia formation in both F. guttiforme and F. ananatum to facilitate taxonomic, pathogenicity and mycotoxin studies. In vitro analysis showed that basal medium with carboxymethyl cellulose (CMC) was better than other media tested with the highest macroconidia production at 7 days of incubation. The highest production of microconidia was with synthetic nutrient medium (SN) at 7 days. F. ananatum produced a relatively high number of microconidia with one septum in comparison to F. guttiforme when cultured in CMC, which suggests an additional character useful for Fusarium taxonomy. CMC medium may serve as an improved alternative to culture media currently used in Fusarium research and contribute to further knowledge of the taxonomy and mycotoxins of Fusarium species. |
Palavras-Chave: |
Abacaxi. |
Thesagro: |
Fusariose; Fusarium; Patogenicidade; Taxonomia. |
Thesaurus NAL: |
Carboxymethyl cellulose; Sporulation; Taxonomy. |
Categoria do assunto: |
H Saúde e Patologia |
Marc: |
LEADER 02225naa a2200289 a 4500 001 1022238 005 2020-07-06 008 2020 bl uuuu u00u1 u #d 024 7 $a10.1016/j.mimet.2020.105915$2DOI 100 1 $aMOURA, R. D. 245 $aCulture medium for improved production of conidia for identification and systematic studies of Fusarium pathogens.$h[electronic resource] 260 $c2020 520 $aFusarium guttiforme and Fusarium ananatum are the etiological agents of fusariosis and fruitlet core rot in pineapple, espectively, producing mycotoxins that are harmful to the health of consumers. These two fungi are morphologically similar and difficulty in obtaining macroconidia of the species limits their identification. Different types of media are available for the culture of these pathogens, but not all of them favor F. ananatum and F. guttiforme macroconidia production. Therefore, the objective of this study was to develop a simple culture medium to improve rapid macro- and microconidia formation in both F. guttiforme and F. ananatum to facilitate taxonomic, pathogenicity and mycotoxin studies. In vitro analysis showed that basal medium with carboxymethyl cellulose (CMC) was better than other media tested with the highest macroconidia production at 7 days of incubation. The highest production of microconidia was with synthetic nutrient medium (SN) at 7 days. F. ananatum produced a relatively high number of microconidia with one septum in comparison to F. guttiforme when cultured in CMC, which suggests an additional character useful for Fusarium taxonomy. CMC medium may serve as an improved alternative to culture media currently used in Fusarium research and contribute to further knowledge of the taxonomy and mycotoxins of Fusarium species. 650 $aCarboxymethyl cellulose 650 $aSporulation 650 $aTaxonomy 650 $aFusariose 650 $aFusarium 650 $aPatogenicidade 650 $aTaxonomia 653 $aAbacaxi 700 1 $aCASTRO, L. A. M. de 700 1 $aCULIK, M. P. 700 1 $aFERNANDES, A. A. R. 700 1 $aFERNANDES, P. M. B. 700 1 $aVENTURA, J. A. 773 $tJournal of Microbiological Methods$gv. 173, June 2020.
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Biblioteca Rui Tendinha (BRT) |
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Registro Completo |
Biblioteca(s): |
Biblioteca Rui Tendinha. |
Data corrente: |
24/07/2020 |
Data da última atualização: |
24/07/2020 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
B - 2 |
Autoria: |
COLMÁN, A.; LIMA, I. de M.; COSTA, H.; BARRETO, R. W. |
Afiliação: |
A. COLMÁN, UFV; Inorbert de Melo Lima, Incaper; Helcio Costa, Incaper; R. W. Barreto, UFV. |
Título: |
Boeremia exigua causing leaf spots on sweet potato in Brazil. |
Ano de publicação: |
2020 |
Fonte/Imprenta: |
Australasian Plant Disease, v. 15, n.21, 2020. |
Idioma: |
Inglês |
Conteúdo: |
In what is a first for the world, leaf spot disease of sweet potato, caused by Boeremia exigua, is reported in Brazil. Identity of the fungus was confirmed by a combination of molecular and morphological data. Koch?s postulates were fulfilled with a selected isolate of the fungus obtained from Santa Maria do Jetibá, state of Espírito Santo, Brazil. Ipomoea batatas (Convolvulaceae) - sweet potato - is the sixth most important food crop worldwide (CIP 2020). Several diseases are limiting factors for this crop, including field and storage diseases (Clark et al. 2013). In Brazil, sweet potato has lost some of its former importance because of changes in the consumer?s habits but still remains one of the top vegetables in Brazilian agriculture (Silva et al. 2008). These authors listed several fungal diseases that occur on sweet potato in Brazil, but considered that damage to the crop by fungal diseases is normally small. In June 2015, sweet potato plants bearing severe leaf spot damage were observed in a plantation in the municipality of Santa Maria de Jetibá (state of Espirito Santo, Brazil). Lesions were initially circular but became irregular, slightly sunken and zonate, dark brown, surrounded by a chlorotic halo, coalescing and leading to a blight of part or entire leaves (Fig. 1a). Older lesions often became torn in their central parts. Numerous, black dots were repeatedly seen immersed in the necrosed tissues when viewed using magnifying lens.
Primeiro registro no Estado de Boeremia exigua. MenosIn what is a first for the world, leaf spot disease of sweet potato, caused by Boeremia exigua, is reported in Brazil. Identity of the fungus was confirmed by a combination of molecular and morphological data. Koch?s postulates were fulfilled with a selected isolate of the fungus obtained from Santa Maria do Jetibá, state of Espírito Santo, Brazil. Ipomoea batatas (Convolvulaceae) - sweet potato - is the sixth most important food crop worldwide (CIP 2020). Several diseases are limiting factors for this crop, including field and storage diseases (Clark et al. 2013). In Brazil, sweet potato has lost some of its former importance because of changes in the consumer?s habits but still remains one of the top vegetables in Brazilian agriculture (Silva et al. 2008). These authors listed several fungal diseases that occur on sweet potato in Brazil, but considered that damage to the crop by fungal diseases is normally small. In June 2015, sweet potato plants bearing severe leaf spot damage were observed in a plantation in the municipality of Santa Maria de Jetibá (state of Espirito Santo, Brazil). Lesions were initially circular but became irregular, slightly sunken and zonate, dark brown, surrounded by a chlorotic halo, coalescing and leading to a blight of part or entire leaves (Fig. 1a). Older lesions often became torn in their central parts. Numerous, black dots were repeatedly seen immersed in the necrosed tissues when viewed using magnifying lens.
Primeiro registro no Estado ... Mostrar Tudo |
Palavras-Chave: |
Batata doce; Boeremia exigua; Santa Maria de Jetibá (Município). |
Thesagro: |
Etiologia; Fungo; Patógeno; Tubérculo; Vegetal Inferior. |
Thesaurus NAL: |
Coelomycete asexualmorph; Convolvulaceae; Leaf blight; Occurrence; Pycnidial fungus. |
Categoria do assunto: |
H Saúde e Patologia |
URL: |
https://biblioteca.incaper.es.gov.br/digital/bitstream/123456789/4053/1/boeremia-inorbert.pdf
|
Marc: |
LEADER 02367naa a2200313 a 4500 001 1022253 005 2020-07-24 008 2020 bl uuuu u00u1 u #d 100 1 $aCOLMÁN, A. 245 $aBoeremia exigua causing leaf spots on sweet potato in Brazil.$h[electronic resource] 260 $c2020 520 $aIn what is a first for the world, leaf spot disease of sweet potato, caused by Boeremia exigua, is reported in Brazil. Identity of the fungus was confirmed by a combination of molecular and morphological data. Koch?s postulates were fulfilled with a selected isolate of the fungus obtained from Santa Maria do Jetibá, state of Espírito Santo, Brazil. Ipomoea batatas (Convolvulaceae) - sweet potato - is the sixth most important food crop worldwide (CIP 2020). Several diseases are limiting factors for this crop, including field and storage diseases (Clark et al. 2013). In Brazil, sweet potato has lost some of its former importance because of changes in the consumer?s habits but still remains one of the top vegetables in Brazilian agriculture (Silva et al. 2008). These authors listed several fungal diseases that occur on sweet potato in Brazil, but considered that damage to the crop by fungal diseases is normally small. In June 2015, sweet potato plants bearing severe leaf spot damage were observed in a plantation in the municipality of Santa Maria de Jetibá (state of Espirito Santo, Brazil). Lesions were initially circular but became irregular, slightly sunken and zonate, dark brown, surrounded by a chlorotic halo, coalescing and leading to a blight of part or entire leaves (Fig. 1a). Older lesions often became torn in their central parts. Numerous, black dots were repeatedly seen immersed in the necrosed tissues when viewed using magnifying lens. Primeiro registro no Estado de Boeremia exigua. 650 $aCoelomycete asexualmorph 650 $aConvolvulaceae 650 $aLeaf blight 650 $aOccurrence 650 $aPycnidial fungus 650 $aEtiologia 650 $aFungo 650 $aPatógeno 650 $aTubérculo 650 $aVegetal Inferior 653 $aBatata doce 653 $aBoeremia exigua 653 $aSanta Maria de Jetibá (Município) 700 1 $aLIMA, I. de M. 700 1 $aCOSTA, H. 700 1 $aBARRETO, R. W. 773 $tAustralasian Plant Disease$gv. 15, n.21, 2020.
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