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Consejo Superior de Investigaciones Científicas (CSIC)

2 ARTICLES PUBLISHED IN JoVE

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Biology

A Method to Assess Bacteriocin Effects on the Gut Microbiota of Mice
Chrstine Bäuerl *1, Özgun C.O. Umu *2, Pablo E. Hernandez 3, Dzung B. Diep 4, Gaspar Pérez-Martínez 1
1Departamento de Biotecnología, Instituto de Agroquímica y Tecnología de Alimentos (IATA), Consejo Superior de Investigaciones Científicas (CSIC), 2Department of Food Safety and Infection Biology, Norwegian University of Life Sciences (NMBU), 3Departamento de Nutrición, Bromatología y Tecnología de los Alimentos, Facultad de Veterinaria, Universidad Complutense de Madrid (UCM), 4Faculty of Chemistry, Biotechnology and Food Science, Norwegian University of Life Sciences (NMBU)

Bacteriocins are believed to play a key role in defining microbial diversity in different ecological niches. Here, we describe an efficient procedure to assess how bacteriocins affect gut microbiota composition in an animal model.

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Environment

Automatic Image Processing to Determine the Community Size Structure of Riverine Macroinvertebrates
Rosa Gurí 1,4, Ignasi Arranz 2,4, Marc Ordeix 1,4, Carmen García-Comas 3,4
1Center for the Study of Mediterranean Rivers (CERM), Universitat de Vic - Universitat Central de Catalunya, 2Laboratoire Evolution et Diversité Biologique (EDB), UMR5174, Université Toulouse 3 Paul Sabatier, Centre national de la recherche scientifique (CNRS), Institut de Recherche pour le Développement (IRD), 3Department of Marine Biology and Oceanography, Institut de Ciències del Mar, Consejo Superior de Investigaciones Científicas (CSIC), 4Aquatic Ecology Group, Universitat de Vic - Universitat Central de Catalunya

The article is based on the creation of an adapted protocol to scan, detect, sort, and identify digitized objects corresponding to benthic river macroinvertebrates using a semi-automatic imaging procedure. This procedure allows the acquisition of the individual size distributions and size metrics of a macroinvertebrate community in about 1 h.

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