response of bdellovibrio and like organisms (balos) to the migration of naturally occurring bacteria to chemoattractants. | a dual culture-based and non-culture-based approach was applied to characterize predator bacterial groups in surface water samples collected from apalachicola bay, florida. chemotaxis drop assays were performed on concentrated samples in an effort to isolate predator bacteria by their chemotactic ability. yeast extract (ye) and casamino acids (ca) proved to be strong chemoattractants and resulted in three visibly distinct bands; however, dextrose, succinate, pyruvate, and concentrated cells of v ... | 2006 | 17115104 |
prey bacteria shape the community structure of their predators. | although predator-prey interactions among higher organisms have been studied extensively, only few examples are known for microbes other than protists and viruses. among the bacteria, the most studied obligate predators are the bdellovibrio and like organisms (balos) that prey on many other bacteria. in the macroscopical world, both predator and prey influence the population size of the other's community, and may have a role in selection. however, selective pressures among prey and predatory bac ... | 2011 | 21326335 |