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Bacterial communities associated with the wood-feeding gastropod Pectinodonta sp (Patellogastropoda, Mollusca) ArchiMer
Zbinden, Magali; Pailleret, Marie; Ravaux, Juliette; Gaudron, Sylvie M.; Hoyoux, Caroline; Lambourdiere, Josie; Waren, Anders; Lorion, Julien; Halary, Sebastien; Duperron, Sebastien.
Even though their occurrence was reported a long time ago, sunken wood ecosystems at the deep-sea floor have only recently received specific attention. Accumulations of wood fragments in the deep sea create niches for a diverse fauna, but the significance of the wood itself as a food source remains to be evaluated. Pectinodonta sp. is a patellogastropod that exclusively occurs on woody substrates, where individuals excavate deep depressions, and is thus a potential candidate for a wood-eating lifestyle. Several approaches were used on Pectinodonta sampled close to Tongoa island (Vanuatu) to investigate its dietary habits. Host carbon is most likely derived from the wood material based on stable isotopes analyses, and high cellulase activity was measured in...
Tipo: Text Palavras-chave: Sunken woods; Wood-feeding gastropod; Symbiosis; Cellulolytic activity.
Ano: 2010 URL: https://archimer.ifremer.fr/doc/00206/31687/30070.pdf
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Characterization of Some Efficient Cellulase Producing Bacteria Isolated from Pulp and Paper Mill Effluent Contaminated Soil BABT
Reddy,Kondakindi Venkateswar; Vijayalashmi,Tatiparti; Ranjit,Pabbati; Raju,Maddela Naga.
ABSTRACT The wide variety of bacteria in the environment permits screening for more efficient cellulases to help overcome current challenges in biofuels production. This study focuses on the isolation of efficient cellulase producing bacteria found in pulp and paper mill effluent contaminated soil which can be considered for use in large scale biorefining. Four different bacterial strains were isolated and screened for cellulase production by using CMC agar medium. All isolates showed cellulase activity these strains were further characterized by morphological, physiological, biochemical and 16S rRNA gene analyses. These isolates were identified as two Bacillus subtilis sub sps, Bacillus mojavensis and Bacillus cereus.
Tipo: Info:eu-repo/semantics/article Palavras-chave: CMC Agar; Cellulolytic Bacteria; Molecular identification; 16S rRNA; Cellulolytic activity.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132017000100442
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