2005
DOI: 10.1590/s0100-67622005000400004
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Caracterização de alfagalactosidase e sua relação com a germinação das sementes de Caesalpinia peltophoroides (Leguminosae Caesalpinioideae)

Abstract: RESUMO -Sementes de Caesalpinia peltophoroides (Leguminosae Caesalpinioideae) -sibipiruna -foram colocadas para embebição por 144 h, sendo retiradas amostras para análise de proteína, quantificações da atividade de alfagalactosidase e de açúcares presentes na micrópila. A germinação iniciou-se com 96 h de embebição, sem que fossem detectadas modificações na parede celular da micrópila. Nesta, observou-se maior proporção de arabinose, que mostrou tendência de aumento com o decorrer da embebição. A atividade esp… Show more

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Cited by 10 publications
(11 citation statements)
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“…This increase could be a result of cell wall degradation in both structures and nonuse to start with but later use when a significant increase occurred in the germination percentage (Figure 1), indicating its possible use in the formation of embryonic physical structures. Borges et al (2005) observed no significant variations in average contents of this monosaccharide in Caesalpinia peltophoroides seeds, during imbibition.…”
Section: Carrijo L C Et Almentioning
confidence: 56%
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“…This increase could be a result of cell wall degradation in both structures and nonuse to start with but later use when a significant increase occurred in the germination percentage (Figure 1), indicating its possible use in the formation of embryonic physical structures. Borges et al (2005) observed no significant variations in average contents of this monosaccharide in Caesalpinia peltophoroides seeds, during imbibition.…”
Section: Carrijo L C Et Almentioning
confidence: 56%
“…Borges et al (2002), on the other hand, found no relationship between -galactosidase activity and changes in the composition of the cell wall or in sugar contents in Platimiscium pubescens seeds during germination. After its characterization in cotyledons and in the embryonic axis of dormant Caesalpinia peltophoroides seeds, Borges et al (2005) concluded that it is present in different isoforms within seed structures.…”
Section: Carrijo L C Et Almentioning
confidence: 99%
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“…Os teores de proteínas apresentaram redução decrescente desde o início da embebição em Caesalpinia peltophoroides (BORGES et al, 2005). O mesmo resultado foi observado por Corte et al (2006), trabalhando com a mesma espécie.…”
Section: Discussionunclassified