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Article . 2024 . Peer-reviewed
License: CC BY NC SA
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Actividad lacasa de Bipolaris sp. en diferentes medios de cultivo líquido

Authors: Juan Pablo Aguilar Aguilar; Wilberth Chan Cupul;

Actividad lacasa de Bipolaris sp. en diferentes medios de cultivo líquido

Abstract

Objetivo. Cuantificar la actividad lacasa de Bipolaris sp. en fermentación líquida con diferentes medios de cultivo. Materiales y métodos. Se reactivó una cepa de Bipolaris sp. en papa dextrosa agar (PDA). Se elaboraron cuatro medios de cultivo líquido: 1) Sivakumar, 2) Czapek-Dox, 3) salvado de trigo buffer citrato (STBC) y 4) extracto de hojas de palma de coco (EHPC). En matraces Erlenmeyer de 250 mL se depositaron 120 mL de cada tipo de medio de cultivo y fueron esterilizados a 121 °C a 15 Psi durante 15 minutos. Tres discos de micelio-agar de Bipolaris sp. fueron inoculados en cada matraz y se incubaron a 28 °C con agitación constante a 120 rpm durante siete días. A las 72, 120 y 168 horas se cuantificó en espectrofotómetro la actividad lacasa y la cantidad de proteína total. Resultados. El medio STBC presentó mayor producción (P<0.05) de actividad volumétrica lacasa en los tres muestreos realizados con 395.5, 560.5 y 283.7 U/L, respectivamente. Por el contrario, el Czapek-Dox presentó nula actividad de actividad específica lacasa y proteína total. El STBC permitió mayor producción (P<0.05) de proteína total con 384.81 mg/L. con relación al medio STBC. Conclusión. El medio de cultivo salvado de trigo buffer citrato fue el mejor para la producción de lacasa y de proteína total; por el contrario, el medio de cultivo Czapek-Dox (modificado) fue el menos idóneo.

Keywords

biotecnología, fermentación, proteína, Agriculture (General), fitopatógeno, SF1-1100, S1-972, Animal culture

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold