BACTERIAL COMMUNITIES OF THE OYSTERS <em>Crassostrea corteziensis</em> AND <em>C. sikamea</em> OF COSPITA BAY, SINALOA, MEXICO

Contenido principal del artículo

Irasema E. Luis-Villaseñor
Olga O. Zamudio-Armenta
Domenico Voltolina
Jesús A. Rochin-Arenas
Bruno Gómez-Gil
Juan M. Audelo-Naranjo
Francisco A. Flores-Higuera

Resumen

This work aimed to quantify the bacterial loads and determine the taxonomic composition of the microbial communities of oysters Crassostrea corteziensis and C. sikamea, as well as the surrounding waters of Cospita Bay, using two sets of samples (M1 and M4) obtained in the dry season and two (M2 and M3) in the rainy season. Bacterial loads were quantified with the viable count technique and out of the 320 strains isolated for their different morphologies, 84 were identified with molecular techniques to the species level. These species pertained to the families Vibrionaceae, Bacillaceae, Brucellaceae, Micrococcaceae, Pseudoalteromonaceae, Rhodobactereceae, Shewanellaceae and Staphylococcaceae. The higher concentrations of total bacteria were in the rainy season (samples M2 and M3), when families Vibrionaceae and Brucellaceae dominated. The highest Vibrio spp. and Pseudomonas spp. concentrations were in winter (samples M4). Probably because of its poor health conditions, the Kumamoto oyster C. sikamea had the highest diversity of bacterial species and the highest number of known pathogens for aquatic organisms.

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Biografía del autor/a

Irasema E. Luis-Villaseñor, Universidad Autónoma de Sinaloa, Facultad de Ciencias del Mar Pasea Claussen s/n, Mazatlán, Sinaloa, Mexico

profesor-investigador titular C

Olga O. Zamudio-Armenta, Universidad Autónoma de Sinaloa, Facultad de Ciencias del Mar Pasea Claussen s/n, Mazatlán, Sinaloa, Mexico

profesor-investigador asociado C

Domenico Voltolina, Centro de Investigaciones Biológicas del Noroeste, Apartado 1132, Mazatlán, Sinaloa, Nexico

investigador tit C

Jesús A. Rochin-Arenas, Universidad Autónoma de Sinaloa, Facultad de Ciencias del Mar Pasea Claussen s/n, Mazatlán, Sinaloa, Mexico

tesista

Bruno Gómez-Gil, Centro de Investigación en Alimentación y Desarrollo, unidad Mazatlán Apartado 711, Mazatlán, Sinaloa, Mexico

Investigador Titular C

Juan M. Audelo-Naranjo, Universidad Autónoma de Sinaloa, Facultad de Ciencias del Mar Pasea Claussen s/n, Mazatlán, Sinaloa, Mexico

Profesor Investigador Titular C

Francisco A. Flores-Higuera, Universidad Autónoma de Sinaloa, Facultad de Ciencias del Mar Pasea Claussen s/, Mazatlán, Sinaloa, Mexico

tesista

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