Browsing Biología by Author "Arrieta Castro, Glen"
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Búsqueda y caracterización de proteínas biopesticidas novedosas a partir de cepas de Bacillus thuringiensis
Arrieta Castro, Glen; Rodríguez Sánchez, César; Víquez, A.; Murillo, L.; Mora Castro, Rebeca; Jiménez Ulate, Franklin; Espinoza Esquivel, Ana Mercedes (1999)En la actualidad se desarrollan y se cultivan comercialmente plantas transgénicas que expresan endotoxinas de Bacillus thuringiensis (Bt) como biopesticida para el control específico de insectos. Sin embargo, se teme que ... -
Characterization of a Bacillus thuringiensis strain collection isolated from diverse Costa Rican natural ecosystems
Arrieta Castro, Glen; Espinoza Esquivel, Ana Mercedes (Universidad de Costa Rica, 2006-03-19)Como los ecosistemas naturales de Costa Rica figuran entre los más diversos del mundo, se propuso aislar la bacteria entomopatógena Bacillus thuringiensis (Bt) con el fin de conformar una colección de cepas y caracterizarlas ... -
Diversity of Bacillus thuringiensis strains isolated from coffee plantations infested with the coffee berry borer Hypothenemus hampei
Arrieta Castro, Glen; Hernández Soto, Alejandro; Espinoza Esquivel, Ana Mercedes (Universidad de Costa Rica, 2004)The coffee berry borer Hypothenemus hampei Ferrari (Coleoptera: Scolytidae) was first reported infecting Costa Rican coffee plantations in the year 2000. Due to the impact that this plague has in the economy of the country, ... -
Does a polyphagous caterpillar have the same gut microbiota when feeding on different species of food plants?
Sittenfeld Appel, Ana; Uribe Lorío, Lorena; Mora López, Marielos; Nielsen Muñoz, Vanessa; Arrieta Castro, Glen; Janzen, Daniel Hunt (Revista de Biología Tropical 50(2): 547-560, 2002, 2002)We used classical culture techniques to explore gut bacteria and changes associated with dietary change in the highly polyphagous, tropical caterpillar Automeris zugana(Saturniidae). Fifty-five third instar wild-caught ...