Interrelations entre des communautes mixtes de bacteries anaerobies isolees de sediments marins

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Contributeur(s) Actes de colloques. Ifremer Brest [ACTES COLLOQ. IFREMER.]. 1986
Identifiant documentaire 9-948
Identifiant OAI oai:archimer.ifremer.fr:948
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Auteur(s): Marty, D
Mots clés Biogeochemistry Sedimentation Sediments Fermentation Mineralization Cellulose Methanogenesis Interspecific relationships Anaerobic bacteria
Date de publication 01/10/1984
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Langue fre
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Droits de réutilisation info:eu-repo/semantics/openAccess

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The mineralization of cellulose was examined in mono and cocultures of marine anaerobic bacteria (cellulolytic bacteria, fermentative non-cellulolytic bacteria and methane-producing bacteria). These studies displayed interactions between these groups of microorganisms: inhibition relationships (inhibition of methanogens during active growth of fermentative bacteria) and syntrophic relationships (growth of fermentative non-cellulolytic bacteria depended on metabolites produced by cellulolytic bacteria; increased in rate of cellulose hydrolysis in presence of fermentative non-cellulolytic bacteria; interspecies H sub(2) transfer reaction between fermentative bacteria and methane-producing bacteria).
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