| distribution of bdellovibrio bacteriovorus in sewage works, river water, and sediments. | bdellovibrio was found in all liquid phases of the sewage works examined. the predator was also found in all the river sediments and sewage-polluted river waters examined but could not be found in some unpolluted river waters. bdellovibrio was able to multiply on the high numbers of bacteria present in the aerobic percolating filter film but could not survive in anaerobic sludge. similarly, the predator was present in the aerobic surface layers of river sediments but not in the anaerobic bottom ... | 1976 | 1267445 |