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 | Acesso ao texto completo restrito à biblioteca da Embrapa Meio Ambiente. Para informações adicionais entre em contato com cnpma.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
10/08/1993 |
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Data da última atualização: |
16/11/2016 |
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Autoria: |
GHINI, R.; KIMATI, H. |
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Afiliação: |
RAQUEL GHINI, CNPMA; H. KIMATI, ESALQ. |
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Título: |
Ocorrência de Hendersonula toruloidea Nattrass e Botryodiplodia theobromae Pat. em manga após colheita. |
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Ano de publicação: |
1984 |
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Fonte/Imprenta: |
Summa Phytopathologica, v.10, p.79, jan./jun. 1984. |
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Idioma: |
Português |
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Conteúdo: |
Com o objetivo de determinar os principais agentes causais das podridões moles fúngicas de mangas em pós-colheita, tratadas termicamente (55 .C por 10 minutos) foram realizados isolamentos a partir de frutos das variedades Oliveira Neto, Haden, e Hextrema, da safra 1980/81, vindos do pomar instalado no setor de Horticultura da ESALQ - Piracicaba. Dos isolamentos realizados, foi constatado maior frequência de ocorrência da espécie Hendersnula toruloidea (80%), vindo a seguir Botryodiplodia theobromae (20%). A dimensão dos conídios dos isolados de H. toruloidea variou de 11-26 x 2-7u (media: 17,6 x 4,9 u), sendo que para os isolados de B. theobromae variou de 16-31 x 9-16 u (media: 22,1 x 12,7 u), sob condições de luz fluorescente continua e meio de cultura BDA. Testes de inoculação comprovaram a patogenicidade dos fungos, sendo que a lesão causada por H. toruloidea apresentou menor diâmetro médio do que o isolado de B. theobromae (35,5 mm e 57,6 mm, respectivamente). |
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Palavras-Chave: |
Hendersonula toruloidea; Ocorrência. |
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Thesagro: |
Botryodiplodia Theobromae; Doença; Fungo; Manga; Podridão Mole; Pós-Colheita. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01660naa a2200229 a 4500
001 1010778
005 2016-11-16
008 1984 bl uuuu u00u1 u #d
100 1 $aGHINI, R.
245 $aOcorrência de Hendersonula toruloidea Nattrass e Botryodiplodia theobromae Pat. em manga após colheita.$h[electronic resource]
260 $c1984
520 $aCom o objetivo de determinar os principais agentes causais das podridões moles fúngicas de mangas em pós-colheita, tratadas termicamente (55 .C por 10 minutos) foram realizados isolamentos a partir de frutos das variedades Oliveira Neto, Haden, e Hextrema, da safra 1980/81, vindos do pomar instalado no setor de Horticultura da ESALQ - Piracicaba. Dos isolamentos realizados, foi constatado maior frequência de ocorrência da espécie Hendersnula toruloidea (80%), vindo a seguir Botryodiplodia theobromae (20%). A dimensão dos conídios dos isolados de H. toruloidea variou de 11-26 x 2-7u (media: 17,6 x 4,9 u), sendo que para os isolados de B. theobromae variou de 16-31 x 9-16 u (media: 22,1 x 12,7 u), sob condições de luz fluorescente continua e meio de cultura BDA. Testes de inoculação comprovaram a patogenicidade dos fungos, sendo que a lesão causada por H. toruloidea apresentou menor diâmetro médio do que o isolado de B. theobromae (35,5 mm e 57,6 mm, respectivamente).
650 $aBotryodiplodia Theobromae
650 $aDoença
650 $aFungo
650 $aManga
650 $aPodridão Mole
650 $aPós-Colheita
653 $aHendersonula toruloidea
653 $aOcorrência
700 1 $aKIMATI, H.
773 $tSumma Phytopathologica$gv.10, p.79, jan./jun. 1984.
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Embrapa Meio Ambiente (CNPMA) |
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Registro Completo
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
18/10/2018 |
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Data da última atualização: |
18/10/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
VASCONCELOS, M. J. V. de; FIGUEIREDO, J. E. F.; RAGHOTHAMA, K. G. |
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Afiliação: |
MARIA JOSE VILACA DE VASCONCELOS, CNPMS; JOSE EDSON FONTES FIGUEIREDO, CNPMS; Purdue University. |
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Título: |
Expression analysis of anthocyanin gene induced under phosphorus starvation in maize genotypes with contrasting phosphorus use efficiency. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Genetics and Molecular Research, Ribeirão Preto, v. 17, n. 4, p. 1-9, 2018. |
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DOI: |
10.4238/gmr18036 |
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Idioma: |
Inglês |
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Notas: |
Article: gmr18036. |
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Conteúdo: |
Phosphate (Pi) unavailability is a growth-limiting factor for plants. Under Pi-limited conditions, plants activate molecular mechanisms for better acquisition and utilization of this nutrient. In maize, changes in the expression pattern of several Pi starvation-induced genes, including the A1 coding for dihydroflavonol 4-reductase (DFR) involved in anthocyanin biosynthesis, were identified through microarray analysis. In order to elucidate the molecular determinants with a potential role in P use efficiency, we carried out a study on gene expression analysis of the A1 phosphate responsive gene by northern blot analysis of total RNA from maize genotypes contrasting for Pi efficiency. Two Pi-efficient (L-03 and L-161-1) and five inefficient (L-11, L-16, L-22, L-53, and L-5046) genotypes of maize were grown for 15 days in hydroponic culture in the presence (250 ,uM Pi) or absence (0 ,uM Pi) of phosphate. All genotypes showed an increase in anthocyanin accumulation in roots in the absence of Pi (0 ,uM Pi). The Pi-efficient genotype L-36 and the Pi-inefficient genotypes L-16, L22, and L-5046 showed the highest levels of anthocyanin accumulation. The A1 gene exhibits temporal and spatial expression patterns associated with Pi deficiency. Although there were differences in the expression profile of Pi starvation induced genes, no consistent expression patterns could be associated with either Pi-efficient or Pi-inefficient genotypes. It appears that Pi efficiency in tropical maize is a complex trait mediated by a coordinated action of genes that are either induced or suppressed in response to Pi-deficiency. MenosPhosphate (Pi) unavailability is a growth-limiting factor for plants. Under Pi-limited conditions, plants activate molecular mechanisms for better acquisition and utilization of this nutrient. In maize, changes in the expression pattern of several Pi starvation-induced genes, including the A1 coding for dihydroflavonol 4-reductase (DFR) involved in anthocyanin biosynthesis, were identified through microarray analysis. In order to elucidate the molecular determinants with a potential role in P use efficiency, we carried out a study on gene expression analysis of the A1 phosphate responsive gene by northern blot analysis of total RNA from maize genotypes contrasting for Pi efficiency. Two Pi-efficient (L-03 and L-161-1) and five inefficient (L-11, L-16, L-22, L-53, and L-5046) genotypes of maize were grown for 15 days in hydroponic culture in the presence (250 ,uM Pi) or absence (0 ,uM Pi) of phosphate. All genotypes showed an increase in anthocyanin accumulation in roots in the absence of Pi (0 ,uM Pi). The Pi-efficient genotype L-36 and the Pi-inefficient genotypes L-16, L22, and L-5046 showed the highest levels of anthocyanin accumulation. The A1 gene exhibits temporal and spatial expression patterns associated with Pi deficiency. Although there were differences in the expression profile of Pi starvation induced genes, no consistent expression patterns could be associated with either Pi-efficient or Pi-inefficient genotypes. It appears that Pi efficiency in tropical maize i... Mostrar Tudo |
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Palavras-Chave: |
Estresse abióco; Expressão genética. |
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Thesagro: |
Antocianina; Solo Ácido. |
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Categoria do assunto: |
G Melhoramento Genético |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/184692/1/Expression-analysis.pdf
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Marc: |
LEADER 02368naa a2200217 a 4500
001 2097743
005 2018-10-18
008 2018 bl uuuu u00u1 u #d
024 7 $a10.4238/gmr18036$2DOI
100 1 $aVASCONCELOS, M. J. V. de
245 $aExpression analysis of anthocyanin gene induced under phosphorus starvation in maize genotypes with contrasting phosphorus use efficiency.$h[electronic resource]
260 $c2018
500 $aArticle: gmr18036.
520 $aPhosphate (Pi) unavailability is a growth-limiting factor for plants. Under Pi-limited conditions, plants activate molecular mechanisms for better acquisition and utilization of this nutrient. In maize, changes in the expression pattern of several Pi starvation-induced genes, including the A1 coding for dihydroflavonol 4-reductase (DFR) involved in anthocyanin biosynthesis, were identified through microarray analysis. In order to elucidate the molecular determinants with a potential role in P use efficiency, we carried out a study on gene expression analysis of the A1 phosphate responsive gene by northern blot analysis of total RNA from maize genotypes contrasting for Pi efficiency. Two Pi-efficient (L-03 and L-161-1) and five inefficient (L-11, L-16, L-22, L-53, and L-5046) genotypes of maize were grown for 15 days in hydroponic culture in the presence (250 ,uM Pi) or absence (0 ,uM Pi) of phosphate. All genotypes showed an increase in anthocyanin accumulation in roots in the absence of Pi (0 ,uM Pi). The Pi-efficient genotype L-36 and the Pi-inefficient genotypes L-16, L22, and L-5046 showed the highest levels of anthocyanin accumulation. The A1 gene exhibits temporal and spatial expression patterns associated with Pi deficiency. Although there were differences in the expression profile of Pi starvation induced genes, no consistent expression patterns could be associated with either Pi-efficient or Pi-inefficient genotypes. It appears that Pi efficiency in tropical maize is a complex trait mediated by a coordinated action of genes that are either induced or suppressed in response to Pi-deficiency.
650 $aAntocianina
650 $aSolo Ácido
653 $aEstresse abióco
653 $aExpressão genética
700 1 $aFIGUEIREDO, J. E. F.
700 1 $aRAGHOTHAMA, K. G.
773 $tGenetics and Molecular Research, Ribeirão Preto$gv. 17, n. 4, p. 1-9, 2018.
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