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Registro Completo |
Biblioteca(s): |
Embrapa Semiárido. |
Data corrente: |
18/10/2011 |
Data da última atualização: |
12/06/2023 |
Tipo da produção científica: |
Resumo em Anais de Congresso |
Autoria: |
MARTINS, A. C. Q.; MORGANTE, C. V.; SANTOS, C. M. R.; SILVA, F. R. da; ARAÚJO, A. C. G.; BERTIOLI, D. J.; BERTIOLI, S. C. de M. L.; GUIMARAES, P. M.; BRASILEIRO, A. C. M. |
Afiliação: |
UnB; CAROLINA VIANNA MORGANTE, CPATSA; UnB; UnB; UnB; SORAYA CRISTINA DE M LEAL BERTIOLI, CENARGEN; PATRICIA MESSEMBERG GUIMARAES, CENARGEN; ANA CRISTINA MIRANDA BRASILEIRO, CENARGEN. |
Título: |
A transcriptional approach for identifying genes related to drought stress. |
Ano de publicação: |
2011 |
Fonte/Imprenta: |
In: INTERNATIONAL CONFERENCE OF THE PEANUT RESEARCH COMMUNITY ON ADVANCES IN ARACHIS THROUGH GENOMICS AND BIOTECNOLOGY, 5., 2011, Brasília, DF. Book of abstracts... Brasília, DF: Embrapa Genetic Researces and Biotecnology, 2011. |
Páginas: |
p. 77. |
Idioma: |
Inglês |
Conteúdo: |
Stress-responsive mechanisms triggered in plants under drought stress affect plant growth and cause serious limitation to crop productivity. Due to its high genetic diversity and adaptation to a range of environments, wild relatives of peanut constitute a rich source of allele diversity for resistance to biotic and abiotic stresses. Based on previous data and as a 6rst step to identify drought-responsive genes inArachis, the wild specieA. magna, accession KG30097, was selected as it showed high adaptability to water stress conditions. The transcriptome of A. magna leaves subrnitted to gradual water stress was analyzed. Subtractive libraries were constructed with cDNA from leaf tissues of stressed and well-watered control plants. Subtractive hybridization was performed in both directions: cD A from stressed plants was used as driver and afterwards as tester, allowing for the enrichment of genes either induced or inhibited during water stress. In silicoanalysis revealed 759 reads, which were grouped into 249 clusters, with a novelty index of 32,8%. Several up and downregulated genes were identi6ed exclusively in stressed or control conditions. The expression proíile of some differentially regulated genes was validated by real time PCR, using cDNA Erom roots and leafs of stressed and control plants. Glycine descarboxilase, metallothionein-like protein, drought stress responsive protein, and two unknown proteins were shown to be up-regulated and the gene coding for a disease responsive protein was down-regulated. The information produced in this study is a valuable resource for gene identi6cation, characterization of new wild alleles, and development of molecular markers. MenosStress-responsive mechanisms triggered in plants under drought stress affect plant growth and cause serious limitation to crop productivity. Due to its high genetic diversity and adaptation to a range of environments, wild relatives of peanut constitute a rich source of allele diversity for resistance to biotic and abiotic stresses. Based on previous data and as a 6rst step to identify drought-responsive genes inArachis, the wild specieA. magna, accession KG30097, was selected as it showed high adaptability to water stress conditions. The transcriptome of A. magna leaves subrnitted to gradual water stress was analyzed. Subtractive libraries were constructed with cDNA from leaf tissues of stressed and well-watered control plants. Subtractive hybridization was performed in both directions: cD A from stressed plants was used as driver and afterwards as tester, allowing for the enrichment of genes either induced or inhibited during water stress. In silicoanalysis revealed 759 reads, which were grouped into 249 clusters, with a novelty index of 32,8%. Several up and downregulated genes were identi6ed exclusively in stressed or control conditions. The expression proíile of some differentially regulated genes was validated by real time PCR, using cDNA Erom roots and leafs of stressed and control plants. Glycine descarboxilase, metallothionein-like protein, drought stress responsive protein, and two unknown proteins were shown to be up-regulated and the gene coding for a disease res... Mostrar Tudo |
Palavras-Chave: |
Diversidade genética; Estresse hídrico. |
Thesagro: |
Amendoim; Marcador Molecular; Planta. |
Thesaurus Nal: |
Peanuts. |
Categoria do assunto: |
G Melhoramento Genético |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/131239/1/ID-45694.pdf
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Marc: |
LEADER 02684nam a2200289 a 4500 001 1903303 005 2023-06-12 008 2011 bl uuuu u00u1 u #d 100 1 $aMARTINS, A. C. Q. 245 $aA transcriptional approach for identifying genes related to drought stress. 260 $aIn: INTERNATIONAL CONFERENCE OF THE PEANUT RESEARCH COMMUNITY ON ADVANCES IN ARACHIS THROUGH GENOMICS AND BIOTECNOLOGY, 5., 2011, Brasília, DF. Book of abstracts... Brasília, DF: Embrapa Genetic Researces and Biotecnology$c2011 300 $ap. 77. 520 $aStress-responsive mechanisms triggered in plants under drought stress affect plant growth and cause serious limitation to crop productivity. Due to its high genetic diversity and adaptation to a range of environments, wild relatives of peanut constitute a rich source of allele diversity for resistance to biotic and abiotic stresses. Based on previous data and as a 6rst step to identify drought-responsive genes inArachis, the wild specieA. magna, accession KG30097, was selected as it showed high adaptability to water stress conditions. The transcriptome of A. magna leaves subrnitted to gradual water stress was analyzed. Subtractive libraries were constructed with cDNA from leaf tissues of stressed and well-watered control plants. Subtractive hybridization was performed in both directions: cD A from stressed plants was used as driver and afterwards as tester, allowing for the enrichment of genes either induced or inhibited during water stress. In silicoanalysis revealed 759 reads, which were grouped into 249 clusters, with a novelty index of 32,8%. Several up and downregulated genes were identi6ed exclusively in stressed or control conditions. The expression proíile of some differentially regulated genes was validated by real time PCR, using cDNA Erom roots and leafs of stressed and control plants. Glycine descarboxilase, metallothionein-like protein, drought stress responsive protein, and two unknown proteins were shown to be up-regulated and the gene coding for a disease responsive protein was down-regulated. The information produced in this study is a valuable resource for gene identi6cation, characterization of new wild alleles, and development of molecular markers. 650 $aPeanuts 650 $aAmendoim 650 $aMarcador Molecular 650 $aPlanta 653 $aDiversidade genética 653 $aEstresse hídrico 700 1 $aMORGANTE, C. V. 700 1 $aSANTOS, C. M. R. 700 1 $aSILVA, F. R. da 700 1 $aARAÚJO, A. C. G. 700 1 $aBERTIOLI, D. J. 700 1 $aBERTIOLI, S. C. de M. L. 700 1 $aGUIMARAES, P. M. 700 1 $aBRASILEIRO, A. C. M.
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Registro original: |
Embrapa Semiárido (CPATSA) |
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Biblioteca(s): |
Embrapa Pantanal. |
Data corrente: |
12/04/2010 |
Data da última atualização: |
06/04/2011 |
Tipo da produção científica: |
Boletim de Pesquisa e Desenvolvimento |
Autoria: |
SALIS, S. M. de; REIS, V. D. A. dos; MARCONDES, A. N. |
Afiliação: |
SUZANA MARIA DE SALIS, CPAP; VANDERLEI DONISETI ACASSIO DOS REIS, CPAP; ADÍZIO NASCIMENTO MARCONDES, UNIVERSIDADE CATÓLICA DOM BOSCO. |
Título: |
Floração de espécies apícolas no Pantanal baseada em informações de herbário e literatura. |
Ano de publicação: |
2009 |
Fonte/Imprenta: |
Corumbá: Embrapa Pantanal, 2009. |
Páginas: |
47 p. |
Série: |
(Embrapa Pantanal. Boletim de Pesquisa e Desenvolvimento, 91). |
Idioma: |
Português |
Conteúdo: |
O objetivo desse estudo foi descrever e avaliar a influência do porte das plantas apícolas do Pantanal na ocorrência de floração ao longo do ano. As informações das espécies apícolas foram organizadas a partir da compilação de dados de literatura e do acervo do herbário CPAP, anotando-se o período de floração, porte de crescimento (herbáceo, arbustivo, arbóreo ou trepadeira), sendo que as palmeiras foram consideradas como de porte arbóreo, e a ocorrência ou não em área inundável (espécies aquáticas ou anfíbias e terrestres). |
Palavras-Chave: |
Abelhas africanizadas. |
Thesagro: |
Apis Mellifera; Mel; Pólen. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/CPAP-2010/57290/1/BP91.pdf
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Marc: |
LEADER 01170nam a2200205 a 4500 001 1800634 005 2011-04-06 008 2009 bl uuuu u0uu1 u #d 100 1 $aSALIS, S. M. de 245 $aFloração de espécies apícolas no Pantanal baseada em informações de herbário e literatura. 260 $aCorumbá: Embrapa Pantanal$c2009 300 $a47 p. 490 $a(Embrapa Pantanal. Boletim de Pesquisa e Desenvolvimento, 91). 520 $aO objetivo desse estudo foi descrever e avaliar a influência do porte das plantas apícolas do Pantanal na ocorrência de floração ao longo do ano. As informações das espécies apícolas foram organizadas a partir da compilação de dados de literatura e do acervo do herbário CPAP, anotando-se o período de floração, porte de crescimento (herbáceo, arbustivo, arbóreo ou trepadeira), sendo que as palmeiras foram consideradas como de porte arbóreo, e a ocorrência ou não em área inundável (espécies aquáticas ou anfíbias e terrestres). 650 $aApis Mellifera 650 $aMel 650 $aPólen 653 $aAbelhas africanizadas 700 1 $aREIS, V. D. A. dos 700 1 $aMARCONDES, A. N.
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