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Registro Completo |
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Biblioteca(s): |
Embrapa Recursos Genéticos e Biotecnologia. |
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Data corrente: |
21/01/2005 |
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Data da última atualização: |
21/01/2005 |
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Autoria: |
DUVAL, M. F.; BUSO, G. C.; FERREIRA, F. R.; NOYER, J. L.; D'EECKENBRUGGE, G. C.; HAMON, P.; FERREIRA, M. E. |
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Título: |
Using chloroplast DNA markers to understand Ananas and Pseudananas genetic diversity. |
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Ano de publicação: |
2001 |
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Fonte/Imprenta: |
In: D'EECKENBRUGGE, G. C. (Coord.). Evaluation and utilization of pineapple genetic resources from the Amazon to breed resistant varieties (IC18-CT96-0118): scientific annual report 2001. [Montpellier]: CIRAD-FLHOR; [Rome]: IPGRI, 2001. |
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Páginas: |
paginação irregular. |
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Idioma: |
Inglês |
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Palavras-Chave: |
América do Sul; cpDNA; Domesticação; Variedade genética. |
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Thesagro: |
Abacaxi. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00897naa a2200253 a 4500
001 1185487
005 2005-01-21
008 2001 bl uuuu u00u1 u #d
100 1 $aDUVAL, M. F.
245 $aUsing chloroplast DNA markers to understand Ananas and Pseudananas genetic diversity.
260 $c2001
300 $apaginação irregular.
650 $aAbacaxi
653 $aAmérica do Sul
653 $acpDNA
653 $aDomesticação
653 $aVariedade genética
700 1 $aBUSO, G. C.
700 1 $aFERREIRA, F. R.
700 1 $aNOYER, J. L.
700 1 $aD'EECKENBRUGGE, G. C.
700 1 $aHAMON, P.
700 1 $aFERREIRA, M. E.
773 $tIn: D'EECKENBRUGGE, G. C. (Coord.). Evaluation and utilization of pineapple genetic resources from the Amazon to breed resistant varieties (IC18-CT96-0118): scientific annual report 2001. [Montpellier]: CIRAD-FLHOR; [Rome]: IPGRI, 2001.
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Registro original: |
Embrapa Recursos Genéticos e Biotecnologia (CENARGEN) |
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Registro Completo
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
22/02/2017 |
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Data da última atualização: |
22/02/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
MILLER, A. M.; FIGUEIREDO, J. E. F.; LINDE, G. A.; COLAUTO, N. B.; PACOLA-MEIRELLES, L. D. |
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Afiliação: |
Universidade Estadual de Londrina; JOSE EDSON FONTES FIGUEIREDO, CNPMS; Universidade Paranaense; Universidade Paranaense; Universidade Estadual de Londrina. |
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Título: |
Characterization of the inaA gene and expression of ice nucleation phenotype in Pantoea ananatis isolates from Maize White Spot disease. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Genetics and Molecular Research, Ribeirão Preto, v. 15, n. 1, p. 1-8, 2016. |
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DOI: |
10.4238/gmr.15017863 |
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Idioma: |
Inglês |
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Conteúdo: |
Maize White Spot (MWS), a foliar disease caused by Pantoea ananatis, could cause up to 60% yield loss. Some strains of P. ananatis harboring the ice nucleation gene inaA catalyze the formation of ice nuclei, causing tissue damage at temperatures slightly below freezing. Little is known about the relationship between the presence of the ina gene in this maize pathogen and its expression during the phenomenon of ice nucleus formation. Here, we attempted to verify the presence of the inaA gene and the expression of phenotype in vitro. The identity of the isolates and the presence of the inaA gene were determined by P. ananatis speciesspecific primers. The expression of the inaA gene was assessed in vitro by the visualization of ice-crystal formation in water at subzero temperatures. A total of ninety P. ananatis isolates from MWS lesions were characterized. The presence of the inaA gene was confirmed by gel electrophoresis of the 350-400-bp PCR products. The inaA primers did not lead to DNA fragment amplification in three isolates. The ice nucleation phenotype was expressed in 83.34% of the isolates carrying the inaA gene. Our study showed that the ice nucleation in P. ananatis isolated from MWS lesions was dependent on the presence of a functional ina gene in the genome. We also found evidence indicating that some P. ananatis strains have a mutated form of the inaA gene, producing a non-functional ice nucleation protein. This is the first report on inaA gene characterization in P. ananatis isolates from Maize White Spot. MenosMaize White Spot (MWS), a foliar disease caused by Pantoea ananatis, could cause up to 60% yield loss. Some strains of P. ananatis harboring the ice nucleation gene inaA catalyze the formation of ice nuclei, causing tissue damage at temperatures slightly below freezing. Little is known about the relationship between the presence of the ina gene in this maize pathogen and its expression during the phenomenon of ice nucleus formation. Here, we attempted to verify the presence of the inaA gene and the expression of phenotype in vitro. The identity of the isolates and the presence of the inaA gene were determined by P. ananatis speciesspecific primers. The expression of the inaA gene was assessed in vitro by the visualization of ice-crystal formation in water at subzero temperatures. A total of ninety P. ananatis isolates from MWS lesions were characterized. The presence of the inaA gene was confirmed by gel electrophoresis of the 350-400-bp PCR products. The inaA primers did not lead to DNA fragment amplification in three isolates. The ice nucleation phenotype was expressed in 83.34% of the isolates carrying the inaA gene. Our study showed that the ice nucleation in P. ananatis isolated from MWS lesions was dependent on the presence of a functional ina gene in the genome. We also found evidence indicating that some P. ananatis strains have a mutated form of the inaA gene, producing a non-functional ice nucleation protein. This is the first report on inaA gene characterization i... Mostrar Tudo |
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Palavras-Chave: |
Bactérias fitopatogênicas; Doença foliar; Fenótipo INA; Variabilidade. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/156438/1/Characterization-inaA.pdf
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Marc: |
LEADER 02317naa a2200229 a 4500
001 2065205
005 2017-02-22
008 2016 bl uuuu u00u1 u #d
024 7 $a10.4238/gmr.15017863$2DOI
100 1 $aMILLER, A. M.
245 $aCharacterization of the inaA gene and expression of ice nucleation phenotype in Pantoea ananatis isolates from Maize White Spot disease.$h[electronic resource]
260 $c2016
520 $aMaize White Spot (MWS), a foliar disease caused by Pantoea ananatis, could cause up to 60% yield loss. Some strains of P. ananatis harboring the ice nucleation gene inaA catalyze the formation of ice nuclei, causing tissue damage at temperatures slightly below freezing. Little is known about the relationship between the presence of the ina gene in this maize pathogen and its expression during the phenomenon of ice nucleus formation. Here, we attempted to verify the presence of the inaA gene and the expression of phenotype in vitro. The identity of the isolates and the presence of the inaA gene were determined by P. ananatis speciesspecific primers. The expression of the inaA gene was assessed in vitro by the visualization of ice-crystal formation in water at subzero temperatures. A total of ninety P. ananatis isolates from MWS lesions were characterized. The presence of the inaA gene was confirmed by gel electrophoresis of the 350-400-bp PCR products. The inaA primers did not lead to DNA fragment amplification in three isolates. The ice nucleation phenotype was expressed in 83.34% of the isolates carrying the inaA gene. Our study showed that the ice nucleation in P. ananatis isolated from MWS lesions was dependent on the presence of a functional ina gene in the genome. We also found evidence indicating that some P. ananatis strains have a mutated form of the inaA gene, producing a non-functional ice nucleation protein. This is the first report on inaA gene characterization in P. ananatis isolates from Maize White Spot.
653 $aBactérias fitopatogênicas
653 $aDoença foliar
653 $aFenótipo INA
653 $aVariabilidade
700 1 $aFIGUEIREDO, J. E. F.
700 1 $aLINDE, G. A.
700 1 $aCOLAUTO, N. B.
700 1 $aPACOLA-MEIRELLES, L. D.
773 $tGenetics and Molecular Research, Ribeirão Preto$gv. 15, n. 1, p. 1-8, 2016.
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