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| Registros recuperados : 43 | |
| 3. |  | SILVEIRA, E. D.; GUIMARÃES, L. A.; ALVES FERREIRA, M.; CARNEIRO, V. T. de C. Identification of the best reference genes for qPCR in sexual and apomictic B. brizantha. In: CONGRESSO INTERNACIONAL DE REPRODUÇÃO SEXUAL EM PLANTAS, 20., 2008, Brasília, DF. [Anais...]. Brasília, DF: Embrapa Recursos Genéticos e Biotecnologia, 2008. 240 p. (Embrapa Recursos Genéticos e Biotecnologia. Documentos, 259). p. 204.| Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
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| 5. | | CRUZ, F. P. da; ARONGAUS, A.; ROMANO, E.; VASLIN, M.; CARVALHO, A. de; ALVES-FERREIRA, M. Identificação através de genômica funcional de três genes homeobox envolvidos com a resposta ao estresse hídrico em café a partir de dados do Banco Genoma Café. In: SIMPÓSIO DE PESQUISA DOS CAFÉS DO BRASIL, 5., 2007, Águas de Lindóia, SP. Anais... Brasília, DF: Embrapa Café, 2007. Genética e melhoramento do cafeeiro.| Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
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| 6. | | ALVES FERREIRA, M.; CRUZ, F.; KALAOUM, S.; ANDRADE, A. C.; ROMANO, E. VASLIN, M.; LOUREIRO, M. Functional genomics studies in "Genoma café" identified two coffee homeobox genes involved in drought stress responses. In: INTERNATIONAL CONFERENCE ON COFFEE SCIENCE, 22., 2008, Campinas, Brazil. Programme abstracts. Montpellier, France: Association for Science and Information on Coffee, 2008. PB632.| Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
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| 12. | | FREITAS, A. L. A. de; ARGE, L. W. P.; NARDELI, S. M.; SA, M. F. G. de; ALVES-FERREIRA, M. Lutando contra a Herbivoria: respostas transcricionais de algodão (Gossypium hirsutum) sob infestação pelo bicudo do algodoeiro (Anthonomus grandis). In: SIMPÓSIO BRASILEIRO DE GENÉTICA MOLECULAR DE PLANTAS, 8, 2023, Florianópolis, SC. Anais... Florianópolis: SBG, 2023. p. 95 Na publicação: Maria Fátima Grossi-de-sá.| Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
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| 14. | | MOURA, S. M. de; ROSSI, M. L.; ARTICO, S.; GROSSI-DE-SA, M. F.; MARTINELLI, A. P.; ALVES-FERREIRA, M. Characterization of floral morphoanatomy and identification of marker genes preferentially expressed during specific stages of cotton flower development. Planta, v. 252, n. 4, 71, 2020.| Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
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| 15. | | CRUZ, F. P.; ARONGAUS, A. B.; ROMANO, E.; ALMEIDA, J.; CARVALHO, A.; VASLIN, M. F. S.; ALVES-FERREIRA, M. Functional characterization of five coffee homeobox genes involved in drought stress responses. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE BIOQUÍMICA E BIOLOGIA MOLECULAR, 35., 2006, Águas de Lindóia, SP. Programas e resumos... São Paulo: Sociedade Brasileira de Bioquímica e Biologia Molecular, 2006. Não paginado.| Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
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| 16. | | CARVALHO, G. M. de; ATELLA, A. L.; MOURA, S. M. de; SA, M. F. G. de; ALVES-FERREIRA, M. Caracterização de promotor indutível e tecido-específico para controle de praga em algodão (Gossypium hirsutum). In: SIMPÓSIO BRASILEIRO DE GENÉTICA MOLECULAR DE PLANTAS, 8, 2023, Florianópolis, SC. Anais... Florianópolis: SBG, 2023. p. 108 Na publicação: Maria Fátima Grossi-de-sá.| Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
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| 17. | | DIAS, B. F. de O.; SIMÕES-ARAÚJO, J. L.; RUSSO, C. A. M.; MARGIS, R.; ALVES-FERREIRA, M. Unravelling MADS-box gene family in Eucalyptus spp.: A starting point to an understanding of their developmental role in trees. Genetics and Molecular Biology, São Paulo, v. 28, n. 3, Suppl., p. 501-510, 2005.| Biblioteca(s): Embrapa Agrobiologia. |
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| 20. | | SIMÕES-ARAÚJO-ARAUJO, J. L.; RODRIGUES, R. L.; GERHARDT, L. B. de A.; MONDEGO, J. M. C.; ALVES-FERREIRA, M.; RUMJANEK, N. G.; MARGIS-PINHEIRO, M. Identification of differentially expressed genes by cDNA-AFLP technique during heat stress in cowpea nodules. FEBS Letters, Netherlands, v. 515, p. 44-50, 2002.| Biblioteca(s): Embrapa Agrobiologia. |
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| Registros recuperados : 43 | |
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Registro Completo
|
Biblioteca(s): |
Embrapa Agricultura Digital; Embrapa Recursos Genéticos e Biotecnologia. |
|
Data corrente: |
16/11/2011 |
|
Data da última atualização: |
01/03/2023 |
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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: |
SILVEIRA, E. D.; GUIMARÃES, L. A.; DUSI, D. M. de A.; SILVA, F. R. da; MARTINS, N. F.; COSTA, M. M. do C.; ALVES-FERREIRA, M.; CARNEIRO, V. T. de C. |
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Afiliação: |
ÉRICA DUARTE SILVEIRA, UFRJ; LARISSA ARRAIS GUIMARÃES, UNB; DIVA MARIA DE ALENCAR DUSI, CENARGEN; FELIPE RODRIGUES DA SILVA, CNPTIA; NATALIA FLORENCIO MARTINS, CENARGEN; MARCOS MOTA DO CARMO COSTA, CENARGEN; MÁRCIO ALVES-FERREIRA, UFRJ; VERA TAVARES DE CAMPOS CARNEIRO, CENARGEN. |
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Título: |
Expressed sequence-tag analysis of ovaries of Brachiaria brizantha reveals genes associated with the early steps of embryo sac differentiation of apomictic plants. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Plant Cell Reports, v. 31, p. 403-416, 2012. |
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Idioma: |
Inglês |
|
Conteúdo: |
Abstract - In apomixis, asexual mode of plant reproduction through seeds, an unreduced megagametophyte is formed due to circumvented or altered meiosis. The embryo develops autonomously from the unreduced egg cell, independently of fertilization. Brachiaria is a genus of tropical forage grasses that reproduces sexually or by apomixis. A limited number of studies have reported the sequencing of apomixis-related genes and a few Brachiaria sequences have been deposited at genebank databases. This work shows sequencing and expression analyses of expressed sequence-tags (ESTs) of Brachiaria genus and points to transcripts from ovaries with preferential expression at megasporogenesis in apomictic plants. From the 11 differentially expressed sequences from immature ovaries of sexual and apomictic Brachiaria brizantha obtained from macroarray analysis, 9 were preferentially detected in ovaries of apomicts, as con?rmed by RT-qPCR. A putative involvement in early steps of Panicum-type embryo sac differentiation of four sequences from B. brizantha ovaries: BbrizHelic, BbrizRan, BbrizSec13 and BbrizSti1 is suggested. Two of these, BbrizSti1 and BbrizHelic, with similarity to a gene coding to stress induced protein and a helicase, respectively, are preferentially expressed in the early stages of apomictic ovaries development, especially in the nucellus, in a stage previous to the differentiation of aposporous initials, as veri?ed by in situ hybridization. |
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Palavras-Chave: |
Forage grass; Gramíneas forrageiras; Reprodução de planta. |
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Thesagro: |
Genética. |
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Thesaurus NAL: |
Apomixis; Expressed sequence tags; Forage grasses; Genetics; Plant reproduction; Urochloa brizantha. |
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Categoria do assunto: |
--
S Ciências Biológicas |
|
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/156133/1/art3A10.10072Fs00299-011-1175-y.pdf
|
|
Marc: |
LEADER 02485naa a2200325 a 4500
001 1938024
005 2023-03-01
008 2012 bl uuuu u00u1 u #d
100 1 $aSILVEIRA, E. D.
245 $aExpressed sequence-tag analysis of ovaries of Brachiaria brizantha reveals genes associated with the early steps of embryo sac differentiation of apomictic plants.$h[electronic resource]
260 $c2012
520 $aAbstract - In apomixis, asexual mode of plant reproduction through seeds, an unreduced megagametophyte is formed due to circumvented or altered meiosis. The embryo develops autonomously from the unreduced egg cell, independently of fertilization. Brachiaria is a genus of tropical forage grasses that reproduces sexually or by apomixis. A limited number of studies have reported the sequencing of apomixis-related genes and a few Brachiaria sequences have been deposited at genebank databases. This work shows sequencing and expression analyses of expressed sequence-tags (ESTs) of Brachiaria genus and points to transcripts from ovaries with preferential expression at megasporogenesis in apomictic plants. From the 11 differentially expressed sequences from immature ovaries of sexual and apomictic Brachiaria brizantha obtained from macroarray analysis, 9 were preferentially detected in ovaries of apomicts, as con?rmed by RT-qPCR. A putative involvement in early steps of Panicum-type embryo sac differentiation of four sequences from B. brizantha ovaries: BbrizHelic, BbrizRan, BbrizSec13 and BbrizSti1 is suggested. Two of these, BbrizSti1 and BbrizHelic, with similarity to a gene coding to stress induced protein and a helicase, respectively, are preferentially expressed in the early stages of apomictic ovaries development, especially in the nucellus, in a stage previous to the differentiation of aposporous initials, as veri?ed by in situ hybridization.
650 $aApomixis
650 $aExpressed sequence tags
650 $aForage grasses
650 $aGenetics
650 $aPlant reproduction
650 $aUrochloa brizantha
650 $aGenética
653 $aForage grass
653 $aGramíneas forrageiras
653 $aReprodução de planta
700 1 $aGUIMARÃES, L. A.
700 1 $aDUSI, D. M. de A.
700 1 $aSILVA, F. R. da
700 1 $aMARTINS, N. F.
700 1 $aCOSTA, M. M. do C.
700 1 $aALVES-FERREIRA, M.
700 1 $aCARNEIRO, V. T. de C.
773 $tPlant Cell Reports$gv. 31, p. 403-416, 2012.
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Embrapa Recursos Genéticos e Biotecnologia (CENARGEN) |
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