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Revista de Biologia Marina y Oceanografia
Article . 2018 . Peer-reviewed
License: CC BY
Data sources: Crossref
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Actividad antibacteriana de diatomeas marinas aisladas de Acapulco, Guerrero, México

Authors: Nájera-Arce, Cynthia; Álvarez-Fitz, Patricia; Pérez-Castro, Donaciano; Toribio-Jiménez, Jeiry; Castro-Alarcón, Natividad;

Actividad antibacteriana de diatomeas marinas aisladas de Acapulco, Guerrero, México

Abstract

Las diatomeas marinas sintetizan y secretan una gran variedad de metabolitos secundarios con aplicaciones potenciales en la industria farmacéutica, sin embargo su estudio aún es limitado. Por tal motivo, el objetivo de este trabajo fue aislar y cultivar las especies Chaetoceros curvisetus, Asterionella japonica, y Biddulphia mobiliensis de la Bahía Santa Lucía del Puerto de Acapulco, Guerrero, México, así como determinar la actividad antibacteriana frente a bacterias de importancia clínica y analizar el perfil fitoquímico cualitativo de sus extractos totales. La biomasa fue de 219,62 ± 0,99; 151,12 ± 1,41 y 109,04 ± 1,48 mg para C. curvisetus, A. japonica, y B. mobiliensis, respectivamente. Extractos con hexano, diclorometano, y acetona fueron obtenidos de cada especie, y el perfil fitoquímico cualitativo indicó que estas diatomeas marinas fueron ricas en aceites esenciales, alcaloides, y terpenos. Se observó que los extractos de C. curvisetus poseen alta actividad con Concentraciones Mínimas Inhibitorias (CMI) entre 0,5 y 2 mg mL-1 para bacterias tipo ATCC y de 8 y 16 mg mL-1 para cepas de E. coli productoras de BLEE.

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Keywords

Biddulphia mobiliensis, Asterionella japonica, secondary metabolites, perfil fitoquímico, metabolitos secundarios, phytochemical profile, Chaetoceros curvisetus

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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!
4
Average
Average
Average
Green
gold