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[In vitro evaluation of antibacterial substances produced by bacteria isolated from different marine organisms]. / Evaluación in vitro de sustancias antibacterianas producidas por bacterias aisladas de diferentes organismos marinos.
Castillo, I; Lodeiros, C; Núñez, M; Campos, I.
Afiliação
  • Castillo I; Laboratorio de Acuicultura, Dpto. Biología Pesquera, Instituto Oceanográfico de Venezuela.
Rev Biol Trop ; 49(3-4): 1213-22, 2001.
Article em Es | MEDLINE | ID: mdl-12189804
Bacteria from several groups of marine organisms were isolated and, using direct antibiograms, identified those that produce antibacterial substances, using a human pathogenic strain of Staphylococcus aureus ATCC6538 as revealing microorganism. Bacteria which produce substances that inhibited S. aureus growth were identified through morphological, physiological and biochemical tests. Out of 290 bacteria, 54 (18.6%) inhibited the growth of S. aureus, but only 27 survived for identification. Bivalves, sponges and corals were the most represented from which 41.2, 33.3 and 29.7%, respectively, produced antibacterial substances of the isolated bacteria in each group. The marine species with highest proportions of these bacteria were the hard coral Madracis decactis (62.5%), the sponges Cliona sp. (57.1%) and the octocoral Plexaura flexuosa (50.0%). Out of the 27 strains that produced antibacterial substances, 51.8% were Aeromonas spp. and 14.8% Vibrio spp. Marine bacteria that produce antibacterial substances are abundant, most belong in the Vibrionacea group and were isolated mainly from corals and bivalve mollusks.
Assuntos
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Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Água do Mar / Staphylococcus aureus / Bactérias Gram-Negativas / Invertebrados / Antibacterianos Limite: Animals Idioma: Es Revista: Rev Biol Trop Ano de publicação: 2001 Tipo de documento: Article País de publicação: Costa Rica
Buscar no Google
Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Água do Mar / Staphylococcus aureus / Bactérias Gram-Negativas / Invertebrados / Antibacterianos Limite: Animals Idioma: Es Revista: Rev Biol Trop Ano de publicação: 2001 Tipo de documento: Article País de publicação: Costa Rica