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VOLVER A TABLA DE CONTENIDOS Volumen 52

NÚMERO 2

Anterior

Development and characterization of the first 16 microsatellites loci for Panulirus pascuensis (Decapoda: Palinuridae) from Easter Island using Next Generation Sequencing

Siguiente

Spatial and bathymetric occurrence of Brama australis off the Chilean Coast and in the South Pacific Ocean

First characterization of gastrointestinal culturable bacteria of Patagonian toothfish Dissostichus eleginoides (Nototheniidae)

Autores

CORRESPONSAL

Marcelo González-Aravena

mgonzalez@inach.cl

2

2

Laboratorio de Biorrecursos Antárticos, Departamento Científico, Instituto Antártico Chileno, Plaza Muñoz Gamero 1055, Punta Arenas, Chile

Rocio Urtubia

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1

Centro de Cultivos Marinos Bahía Laredo, Facultad de Ciencias, Universidad de Magallanes, Avda. Bulnes 01855, Punta Arenas, Chile

Pablo Gallardo

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1

Centro de Cultivos Marinos Bahía Laredo, Facultad de Ciencias, Universidad de Magallanes, Avda. Bulnes 01855, Punta Arenas, Chile

César A. Cárdenas

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2

Laboratorio de Biorrecursos Antárticos, Departamento Científico, Instituto Antártico Chileno, Plaza Muñoz Gamero 1055, Punta Arenas, Chile

Paris Lavin

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2

Laboratorio de Biorrecursos Antárticos, Departamento Científico, Instituto Antártico Chileno, Plaza Muñoz Gamero 1055, Punta Arenas, Chile

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3

Present address: Laboratorio de Complejidad Microbiana y Ecología Funcional, Instituto Antofagasta, Universidad de Antofagasta, Chile

Resumen

The Patagonian toothfish Dissostichus eleginoides is one of the most important fisheries from the Southern Ocean. The biology of this species is relatively well studied and some nutritionals issues have also been reported; however there is no information about the composition of the bacterial community of the gastrointestinal tract, which is essential to characterize the microbiota of this fish. The bacterial flora of D. eleginoides is here described for the first time using culturable methods. By applying traditional culture-based techniques and 16S rDNA sequencing methods it was possible to characterize the families Vibronaceae and Moraxellaceae, which were mainly represented by Vibrio and Psychrobacter, respectively. This Patagonian fish shows a microbiota very similar to other cold waters fishes.

Palabras clave

Notothenioid, cold-water fish, subantarctic, Bacteria, 16S rRNA

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