Phanerochaete chrysosporium cellobiohydrolase and cellobiose dehydrogenase

Article Abstract:

Reverse transcriptase polymerase chain reaction and magnetic capture techniques were employed in the quantification of the transcripts of cellobiohydrolase and cellobiose dehydrogenase in Phanerochaete chrysosporium-colonized wood chips. The transcript patterns were found to be markedly different from that formerly observed on defined media supplemented with glucose or cellulose. Transcripts of some lignin peroxidase and manganese peroxidase genes were also observed in the wood chips.

Research, Genetic transcription, Transcription (Genetics), Dehydrogenases, Oxidoreductases

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Binding of extracellular carboxymethylcellulase activity from the marine shipworm bacterium to insoluble cellulosic substrates

Article Abstract:

The binding of carboxymethylcellulase (CMCase) activity from marine shipworm bacterium to cellulose was characterized. The results indicate that the extracellular CMCase activity bound preferentially to cellulosic substrates but not to noncellulose substrate. Pretreatment of CMCase with proteases had little effect on the enzymatic activity, but the ability to bind to cellulose was significantly inhibited.

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Stress-induced production of the biofilm in the hyperthermopile Archaeoglobus fulgidus

Article Abstract:

The anaerobic marine bacterium Archaeoglobus fulgidus forms biofilms as a means of adapting to environmental stresses. These stresses may be in the form of high temperatures, high concentrations of antimicrobial agents, high pH and oxygen. The biofilms may be in the form of fibers, sheets or a combination of both. Biofilms allow bacterial colonies to produce thousands of cells which ensures its viability.

Bacteria, Thermophilic, Anaerobic bacteria, Thermophiles

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