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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Isolamento e caracterização de α-fucosidases digestivas em Arachnida. / Isolation and characterization of digestive α-fucosidases in Arachnida.

Silva, Rodrigo Moreti da 16 November 2010 (has links)
Os artrópodes constituem as formas mais abundantes de vida animal no planeta. O sistema digestivo dos Arthropoda é uma das mais importantes superfícies de contato com o ambiente. Pouco se conhece a respeito do sistema digestivo dos aracnídeos. Identificamos as principais carboidrases digestivas em três Arachnida modelo: Tityus serrulatus, Amblyomma cajennense e Nephilengys cruentata. As α-fucosidases são glicosídeo hidrolases que catalisam a hidrólise de ligações glicosídicas entre uma fucose ligada a outro carboidrato ou outro tipo de molécula. Estas enzimas são fundamentais no processamento de glicoproteínas e glicolipídeos. Observamos altas atividades de α-fucosidases em todas as espécies estudadas e estas enzimas foram isoladas e caracterizadas. / Arthropods are the most abundant animal life form on the planet. The digestive system of Arthropoda is one of the most important areas of contact with the environment. The study of Arachnida digestive enzymes has been sporadic and remains a largely unexplored area. We identified the most important digestive carbohydrases in three Arachnida models: Tityus serrulatus, Amblyomma cajennense and Nephilengys cruentata. The α-fucosidases are glycoside hydrolases that catalyze the hydrolysis of glycosidic links between a fucose linked to other carbohydrate or another type of molecule. These enzymes are essential in the processing of glycoprotein and glycolipids. We showed that all models tested presented high activities of digestive α-fucosidases and these enzymes were isolated and characterized.
2

Isolamento e caracterização de α-fucosidases digestivas em Arachnida. / Isolation and characterization of digestive α-fucosidases in Arachnida.

Rodrigo Moreti da Silva 16 November 2010 (has links)
Os artrópodes constituem as formas mais abundantes de vida animal no planeta. O sistema digestivo dos Arthropoda é uma das mais importantes superfícies de contato com o ambiente. Pouco se conhece a respeito do sistema digestivo dos aracnídeos. Identificamos as principais carboidrases digestivas em três Arachnida modelo: Tityus serrulatus, Amblyomma cajennense e Nephilengys cruentata. As α-fucosidases são glicosídeo hidrolases que catalisam a hidrólise de ligações glicosídicas entre uma fucose ligada a outro carboidrato ou outro tipo de molécula. Estas enzimas são fundamentais no processamento de glicoproteínas e glicolipídeos. Observamos altas atividades de α-fucosidases em todas as espécies estudadas e estas enzimas foram isoladas e caracterizadas. / Arthropods are the most abundant animal life form on the planet. The digestive system of Arthropoda is one of the most important areas of contact with the environment. The study of Arachnida digestive enzymes has been sporadic and remains a largely unexplored area. We identified the most important digestive carbohydrases in three Arachnida models: Tityus serrulatus, Amblyomma cajennense and Nephilengys cruentata. The α-fucosidases are glycoside hydrolases that catalyze the hydrolysis of glycosidic links between a fucose linked to other carbohydrate or another type of molecule. These enzymes are essential in the processing of glycoprotein and glycolipids. We showed that all models tested presented high activities of digestive α-fucosidases and these enzymes were isolated and characterized.

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