Novel anaerobic ultramicrobacteria belonging to the Verrumicrobiales lineage of bacterial descent isolated by dilution culture from anoxic rice paddy soil

Article Abstract:

The application of dilution culture methods to cultivate saccharolytic bacteria found in the anoxic soil of flooded rice microcosms permitted the isolation of three new strains of bacteria. The new isolates were found to be members of a branch of the Verrucomicrobiales lineage and are closely related to a cloned 16S rDNA sequence recovered from the rice paddy field soil from Japan. The new isolates provide additional information on the phenotypic and phylogenetic depths of members of the order Verrucomicrobiales.

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Pathway of glucose catabolism by strain VeGlc2, an anerobe belonging to he Verrucomicrobiales lineage of bacteria descent

Article Abstract:

A study was conducted to analyze the pathway of glucose fermentation by the strain VeGlc2, an anaerobic ultramicrobacterium that belongs to the Verrucomicrobiales lineage of bacterial descent. Cells in the late logarithmic phase were determined by centrifugation while reduced-minus-oxidized scans were obtained with the U-2000 spectrometer. Results indicated the presence of a type b cytochrome which may be involved in electron transport in the reductive pathway.

Fermentation, Glucose

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Culturable populations of Sporomusa spp. and Desulfovibrio spp. in the anoxic bulk soil of flooded rice microcosms

Article Abstract:

Researchers used various substrates known to enrich homoacetogenic bacteria to culture those bacteria from flooded rice microcosms. In this way, most-probable-number counts could be determined for Sporomusa spp. and Desulfovibrio spp.

Measurement, Rice, Sulfur bacteria

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