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Biblioteca(s): |
Embrapa Hortaliças. |
Data corrente: |
14/10/2005 |
Data da última atualização: |
14/10/2005 |
Autoria: |
CHARCHAR, J. M.; ARAGÃO, F. A. S. |
Afiliação: |
Embrapa Hortaliças, Brasília, DF. |
Título: |
Métodos simplificados para extração de espécimes intactos de Meloidogyne das raizes. |
Ano de publicação: |
2005 |
Fonte/Imprenta: |
Horticultura Brasileira, Brasília, DF, v. 23, n. 2, ago. 2005. Suplemento 2. CD-ROM. |
Idioma: |
Português |
Notas: |
Trabalho apresentado no 45. Congresso Brasileiro de Olericultura, Fortaleza, 2005. Publicado também como resumo em: Horticultura Brasileira, Brasília, DF, v. 23, n. 2, p. 368, ago. 2005. Suplemento 1. |
Palavras-Chave: |
Quantificação. |
Thesagro: |
Extração; Lycopersicon Esculentum; Nematóide; Raiz; Reprodução; Tomate. |
Thesaurus Nal: |
Meloidogyne. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00862naa a2200229 a 4500 001 1778501 005 2005-10-14 008 2005 bl uuuu u00u1 u #d 100 1 $aCHARCHAR, J. M. 245 $aMétodos simplificados para extração de espécimes intactos de Meloidogyne das raizes. 260 $c2005 500 $aTrabalho apresentado no 45. Congresso Brasileiro de Olericultura, Fortaleza, 2005. Publicado também como resumo em: Horticultura Brasileira, Brasília, DF, v. 23, n. 2, p. 368, ago. 2005. Suplemento 1. 650 $aMeloidogyne 650 $aExtração 650 $aLycopersicon Esculentum 650 $aNematóide 650 $aRaiz 650 $aReprodução 650 $aTomate 653 $aQuantificação 700 1 $aARAGÃO, F. A. S. 773 $tHorticultura Brasileira, Brasília, DF$gv. 23, n. 2, ago. 2005. Suplemento 2. CD-ROM.
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Registro Completo
Biblioteca(s): |
Embrapa Agrobiologia. |
Data corrente: |
19/01/2006 |
Data da última atualização: |
08/12/2006 |
Autoria: |
NOGUEIRA, E. de M.; OLIVARES, F. L.; JAPIASSU, J. C.; VILAR, C.; VINAGRE, F.; BALDANI, J. I.; HEMERLY, A. S. |
Título: |
Characterization of glutamine synthetase genes in sugarcane genotypes with different rates of biological nitrogen fixation. |
Ano de publicação: |
2005 |
Fonte/Imprenta: |
Plant Science, Ireland, v. 169, n. 5, p. 819-832, nov. 2005. |
Idioma: |
Inglês |
Conteúdo: |
Different Brazilian sugarcane genotypes have different rates of Biological Nitrogen Fixation (BNF) and higher BNF correlates with their ability to grow with low nitrogen input. As a first step to investigate the role of sugarcane nitrogen metabolism in the good performance of Brazilian genotypes to grow in nitrogen poor soil we identified and characterized members of glutamine synthetase (GS) family in sugarcane. Five genes were identified, encoding for cytosolic (scGSl:a, scGS1.b and scGS1.c), plastidic (scGS2) and dodecameric (scGSI) GS.These genes are. differentially expressed in sugarcane organs and scGS1.a is the most expressed one. scGS1.b expression increases during shoot development, reaching high levels in mature leaves of SP70-1143 genotype (high BNF) and moderate levels in Chunee genotype( low BNF). Treatment with ammonia increased the expression of scGSl.b only in SP70-1143. ln addition, withdrawal of ammonia enhanced expression of scGS l.a and scGS 1.b olly in sp70- 1143. The data suggests that scGS l.a and scGS l.b can be important for nitrogen assimilation in sugarcane, including not only lhe nitrogen provided by BNF, but also snpplied by soil and by remobilization. Their differential expression in SP70-1 143 and Chunee genotypes could explain, at least to some extent, variations in the performance of these genotypes to grow with low nitrogen input. 2004 Elsevier Ireland Ltd. All rights reserved.
Keywordrs: Biological nitrogen fixation; Glutamine synthetase; Nitrogen metabolism; Sugarcane. MenosDifferent Brazilian sugarcane genotypes have different rates of Biological Nitrogen Fixation (BNF) and higher BNF correlates with their ability to grow with low nitrogen input. As a first step to investigate the role of sugarcane nitrogen metabolism in the good performance of Brazilian genotypes to grow in nitrogen poor soil we identified and characterized members of glutamine synthetase (GS) family in sugarcane. Five genes were identified, encoding for cytosolic (scGSl:a, scGS1.b and scGS1.c), plastidic (scGS2) and dodecameric (scGSI) GS.These genes are. differentially expressed in sugarcane organs and scGS1.a is the most expressed one. scGS1.b expression increases during shoot development, reaching high levels in mature leaves of SP70-1143 genotype (high BNF) and moderate levels in Chunee genotype( low BNF). Treatment with ammonia increased the expression of scGSl.b only in SP70-1143. ln addition, withdrawal of ammonia enhanced expression of scGS l.a and scGS 1.b olly in sp70- 1143. The data suggests that scGS l.a and scGS l.b can be important for nitrogen assimilation in sugarcane, including not only lhe nitrogen provided by BNF, but also snpplied by soil and by remobilization. Their differential expression in SP70-1 143 and Chunee genotypes could explain, at least to some extent, variations in the performance of these genotypes to grow with low nitrogen input. 2004 Elsevier Ireland Ltd. All rights reserved.
Keywordrs: Biological nitrogen fixation; Glutamine synthetase;... Mostrar Tudo |
Palavras-Chave: |
Biological nitrogen fixation; BNF; FBN; Fixação biológica de nitrogenio. |
Thesagro: |
Cana de Açúcar. |
Thesaurus NAL: |
sugarcane. |
Categoria do assunto: |
-- |
Marc: |
LEADER 02318naa a2200265 a 4500 001 1625065 005 2006-12-08 008 2005 bl --- 0-- u #d 100 1 $aNOGUEIRA, E. de M. 245 $aCharacterization of glutamine synthetase genes in sugarcane genotypes with different rates of biological nitrogen fixation. 260 $c2005 520 $aDifferent Brazilian sugarcane genotypes have different rates of Biological Nitrogen Fixation (BNF) and higher BNF correlates with their ability to grow with low nitrogen input. As a first step to investigate the role of sugarcane nitrogen metabolism in the good performance of Brazilian genotypes to grow in nitrogen poor soil we identified and characterized members of glutamine synthetase (GS) family in sugarcane. Five genes were identified, encoding for cytosolic (scGSl:a, scGS1.b and scGS1.c), plastidic (scGS2) and dodecameric (scGSI) GS.These genes are. differentially expressed in sugarcane organs and scGS1.a is the most expressed one. scGS1.b expression increases during shoot development, reaching high levels in mature leaves of SP70-1143 genotype (high BNF) and moderate levels in Chunee genotype( low BNF). Treatment with ammonia increased the expression of scGSl.b only in SP70-1143. ln addition, withdrawal of ammonia enhanced expression of scGS l.a and scGS 1.b olly in sp70- 1143. The data suggests that scGS l.a and scGS l.b can be important for nitrogen assimilation in sugarcane, including not only lhe nitrogen provided by BNF, but also snpplied by soil and by remobilization. Their differential expression in SP70-1 143 and Chunee genotypes could explain, at least to some extent, variations in the performance of these genotypes to grow with low nitrogen input. 2004 Elsevier Ireland Ltd. All rights reserved. Keywordrs: Biological nitrogen fixation; Glutamine synthetase; Nitrogen metabolism; Sugarcane. 650 $asugarcane 650 $aCana de Açúcar 653 $aBiological nitrogen fixation 653 $aBNF 653 $aFBN 653 $aFixação biológica de nitrogenio 700 1 $aOLIVARES, F. L. 700 1 $aJAPIASSU, J. C. 700 1 $aVILAR, C. 700 1 $aVINAGRE, F. 700 1 $aBALDANI, J. I. 700 1 $aHEMERLY, A. S. 773 $tPlant Science, Ireland$gv. 169, n. 5, p. 819-832, nov. 2005.
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