Presence de Microvibrio marinus dans les eaux de l'ocean austral et son pouvoir bactericide
Sea-water from the subantarctic region appears to be strongly bactericidal. When diluted: 1:10,000 it kills E. coli within a few days. Cultures prepared with this water contain numerous microvibrios apparently as a pure strain. Microvibrio- free filtrates of the culture are still able to kill E. col...
Main Authors: | , |
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Format: | Conference Object |
Language: | French |
Published: |
Actes de colloques. Ifremer Brest [ACTES COLLOQ. IFREMER.]. 1986
1984
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Subjects: | |
Online Access: | https://archimer.ifremer.fr/doc/1984/acte-1002.pdf https://archimer.ifremer.fr/doc/00000/1002/ |
Summary: | Sea-water from the subantarctic region appears to be strongly bactericidal. When diluted: 1:10,000 it kills E. coli within a few days. Cultures prepared with this water contain numerous microvibrios apparently as a pure strain. Microvibrio- free filtrates of the culture are still able to kill E. coli . Moreover the bactericidal power increases after each addition of host-bacteria in spite of the lack of the predators. L'eau delà région subantarctique (48°33'S - 70°50'E) est fortement bactéricide. Diluée à 1:10 000 elle tue les bacilles de Escherichia coli en quelques jours. Les cultures obtenues à partir de cette eau contiennent de nombreux microvibrions en état apparemment pur. Le filtrat d'une telle culture, exempt de microvibrions, continue à tuer E. coli. Son pouvoir bactéricide s'accroît après chaque addition de bacilles-hôtes, sans que le prédateur soit présent dans le filtrat. |
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