The kinetics of bacteriolysis in the gut of the deposit feeder Arenicola marina

Article Abstract:

A study was conducted to determine the effects of the removal of bacterial production through macrofaunal deposit feeding. Bacteriolysis was examined in the gut of the deposit-feeding lugworm Arnicola marina. The effects of temperature, hydrogen-ion concentration, time and reactant concentrations on the bacteriolytic rate were analyzed. Results suggested that lytic susceptibilities differ among bacterial strains and as a function of physiological state.

Polychaeta, Polychaetes, Digestion, Bacteriology

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Enrichment of high-affinity CO oxidizers in Maine forest soil

Article Abstract:

Researchers isolated an alpha-proteobacterium closely related to Pseudaminobacter, Aminobacter, and Chelatobacter by enriching forest soil with carbon monoxide. Unlike other CO-oxidizing bacteria, this bacterium has a half-saturation constant comparable to fresh soils.

Soil microbiology

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Response of atmospheric methane consumption by maine forest soils to exogenous aluminum salts

Article Abstract:

Results demonstrate that aluminum salts occurring in the environment are inhibitory to methane consumption by Maine forest soils. Data suggest that widespread soil acidification and acid-mediated aluminum mobilization in the soil may be responsible for the phenomenon.

United States, Statistical Data Included, Methane, Aluminum (Metal), Soils, Soil chemistry, Aluminum compounds, Soil acidification

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